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PMID |
Sentence |
1 |
8815789
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Germline loss of function mutations in rhodopsin, cone opsins, the V2 vasopressin receptor, ACTH receptor, and calcium-sensing receptor are responsible for retinitis pigmentosa, color blindness, nephrogenic diabetes insipidus, familial ACTH resistance, and familial hypocalciuric hypercalcemia, respectively.
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2 |
8934212
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The potential relation between mutations in the CaSR gene and the incidence of diabetes mellitus was therefore investigated in 27 non-insulin dependent diabetic and 40 normal Japanese subjects.
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3 |
8934212
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The polymorphism in the fifth intron of the CaSR gene does not therefore appear to be associated with non-insulin dependent diabetes mellitus.
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4 |
8934212
|
The potential relation between mutations in the CaSR gene and the incidence of diabetes mellitus was therefore investigated in 27 non-insulin dependent diabetic and 40 normal Japanese subjects.
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5 |
8934212
|
The polymorphism in the fifth intron of the CaSR gene does not therefore appear to be associated with non-insulin dependent diabetes mellitus.
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6 |
8981014
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Primary HPT is also a feature of several hereditary diseases e.g. multiple endocrine neoplasia type 1 and type 2A (MEN1 and 2A), familial hypocalciuric hyperparathyroidism (FHH), the HPT-jaw tumor syndrome (HPT-JT), and familial isolated HPT.
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7 |
8981014
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These include chromosomal deletions of the MEN1 locus on 11q in sporadic and MEN1 associated primary HPT, of RB1 on 13q in carcinomas, and of the FHH gene located on 3q in sporadic primary and secondary HPT.
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8 |
8981014
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In addition the HRPT2 gene on 1q, as well as the proto-oncogenes RET on 10q and PRAD1 on 11q are associated with a subset of parathyroid tumors.
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9 |
8981014
|
Primary HPT is also a feature of several hereditary diseases e.g. multiple endocrine neoplasia type 1 and type 2A (MEN1 and 2A), familial hypocalciuric hyperparathyroidism (FHH), the HPT-jaw tumor syndrome (HPT-JT), and familial isolated HPT.
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10 |
8981014
|
These include chromosomal deletions of the MEN1 locus on 11q in sporadic and MEN1 associated primary HPT, of RB1 on 13q in carcinomas, and of the FHH gene located on 3q in sporadic primary and secondary HPT.
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11 |
8981014
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In addition the HRPT2 gene on 1q, as well as the proto-oncogenes RET on 10q and PRAD1 on 11q are associated with a subset of parathyroid tumors.
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12 |
9050237
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When taken together, these studies suggest that the CaSR not only provides the primary mechanism for Ca2+ 0-mediated regulation of parathyroid hormone secretion from parathyroid glands but also for direct modulation of renal divalent mineral excretion and urinary concentrating ability.
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13 |
9819427
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In this report, we show that TTF-1 is present in the parafollicular C cells of multiple species and that it interacts with specific elements on the 5'-flanking regions of the extracellular Ca2+-sensing receptor (CaSR), calmodulin, and calcitonin genes in C cells.
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14 |
9819427
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The changes in TTF-1 inversely alter CaSR gene and calcitonin gene expression.
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15 |
9819427
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We hypothesize that TTF-1 similarly coordinates Ca2+-dependent gene expression in all cells in which TTF-1 and the CaSR are expressed, i. e., parathyroid cells, neural cells in the anterior pituitary or hippocampus, and keratinocytes.
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16 |
9819427
|
In this report, we show that TTF-1 is present in the parafollicular C cells of multiple species and that it interacts with specific elements on the 5'-flanking regions of the extracellular Ca2+-sensing receptor (CaSR), calmodulin, and calcitonin genes in C cells.
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17 |
9819427
|
The changes in TTF-1 inversely alter CaSR gene and calcitonin gene expression.
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18 |
9819427
|
We hypothesize that TTF-1 similarly coordinates Ca2+-dependent gene expression in all cells in which TTF-1 and the CaSR are expressed, i. e., parathyroid cells, neural cells in the anterior pituitary or hippocampus, and keratinocytes.
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19 |
9819427
|
In this report, we show that TTF-1 is present in the parafollicular C cells of multiple species and that it interacts with specific elements on the 5'-flanking regions of the extracellular Ca2+-sensing receptor (CaSR), calmodulin, and calcitonin genes in C cells.
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20 |
9819427
|
The changes in TTF-1 inversely alter CaSR gene and calcitonin gene expression.
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21 |
9819427
|
We hypothesize that TTF-1 similarly coordinates Ca2+-dependent gene expression in all cells in which TTF-1 and the CaSR are expressed, i. e., parathyroid cells, neural cells in the anterior pituitary or hippocampus, and keratinocytes.
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22 |
10488796
|
Hereditary hemochromatosis (HHC) is the most common inherited single gene disorder in people of northern European descent.
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23 |
10488796
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Recently, a gene associated with HHC was discovered and named HFE.
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24 |
10488796
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Hereditary hemochromatosis (HHC) is the most common inherited single gene disorder in people of northern European descent.
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25 |
10488796
|
Recently, a gene associated with HHC was discovered and named HFE.
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26 |
10868962
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The extracellular calcium-sensing receptor on human beta-cells negatively modulates insulin secretion.
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27 |
10868962
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Immunocytochemistry using an antibody against the extracellular region of CaR showed extensive immunoreactivity in insulin- and glucagon-containing cells but not in somatostatin-containing cells.
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28 |
10868962
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The transduction mechanism that mediates this inhibitory effect is unknown, but our results suggest that it is unlikely to be through the adenylate cyclase-cyclic AMP pathway or through the phospholipase C-IP3 pathway.
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29 |
10940742
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Association of polymorphic alleles of the calcium-sensing receptor gene with parathyroid hormone secretion in hemodialysis patients.
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30 |
10940742
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The present study was performed to investigate the association of calcium-sensing receptor (CaSR) genotypes with parathyroid hormone (PTH) secretion in hemodialysis patients.
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31 |
10940742
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Association of polymorphic alleles of the calcium-sensing receptor gene with parathyroid hormone secretion in hemodialysis patients.
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32 |
10940742
|
The present study was performed to investigate the association of calcium-sensing receptor (CaSR) genotypes with parathyroid hormone (PTH) secretion in hemodialysis patients.
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33 |
10971459
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A new missense mutation in the calcium-sensing receptor in familial benign hypercalcaemia associated with partial lipoatrophy and insulin resistant diabetes.
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34 |
11224684
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The high correlation of HFE to HHC has caused it to be considered as a candidate gene for population-based genetic testing for diagnosis and detection of predisposition to HHC.
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35 |
11310426
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Mutations in the HFE protein cause HHC, but the clinical presentation is variable.
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36 |
11479183
|
Hereditary hemochromatosis (HHC) is an autosomal recessive disorder of iron metabolism characterized by increased iron absorption and deposition in the liver, pancreas, heart, joints, and pituitary gland.
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37 |
11479183
|
In 1996, HFE, the gene for HHC, was mapped on the short arm of chromosome 6 (6p21.3).
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38 |
11479183
|
Two of the 37 allelic variants of HFE described to date (C282Y and H63D) are significantly correlated with HHC.
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39 |
11479183
|
Hereditary hemochromatosis (HHC) is an autosomal recessive disorder of iron metabolism characterized by increased iron absorption and deposition in the liver, pancreas, heart, joints, and pituitary gland.
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40 |
11479183
|
In 1996, HFE, the gene for HHC, was mapped on the short arm of chromosome 6 (6p21.3).
|
41 |
11479183
|
Two of the 37 allelic variants of HFE described to date (C282Y and H63D) are significantly correlated with HHC.
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42 |
11479183
|
Hereditary hemochromatosis (HHC) is an autosomal recessive disorder of iron metabolism characterized by increased iron absorption and deposition in the liver, pancreas, heart, joints, and pituitary gland.
|
43 |
11479183
|
In 1996, HFE, the gene for HHC, was mapped on the short arm of chromosome 6 (6p21.3).
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44 |
11479183
|
Two of the 37 allelic variants of HFE described to date (C282Y and H63D) are significantly correlated with HHC.
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45 |
14645111
|
Calcium-sensing receptor induces proliferation through p38 mitogen-activated protein kinase and phosphatidylinositol 3-kinase but not extracellularly regulated kinase in a model of humoral hypercalcemia of malignancy.
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46 |
14645111
|
Using H-500 rat Leydig cancer cells as a model of humoral hypercalcemia of malignancy (HHM), we previously showed that high Ca(2+) induces PTH-related peptide (PTHrP) secretion via the calcium-sensing receptor (CaR) and mitogen- and stress-activated kinases, e.g.
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47 |
14645111
|
MAPK kinase 1 (MEK1), p38 MAPK, and stress-activated protein kinase 1/c-Jun N-terminal kinase.
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48 |
14645111
|
Inhibition of phosphatidylinositol 3-kinase (PI3K) and p38 MAPK but not MEK1 abolished the mitogenic effect.
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49 |
14645111
|
Activation of PI3K by elevated Ca(2+) was documented by phosphorylation of its downstream kinase, protein kinase B.
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50 |
14645111
|
Taken together, our data show that activation of PI3K and p38 MAPK but not of MEK1/ERK by the CaR promotes proliferation of H-500 cells as well as affords protection against apoptosis.
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51 |
14645111
|
Calcium-sensing receptor induces proliferation through p38 mitogen-activated protein kinase and phosphatidylinositol 3-kinase but not extracellularly regulated kinase in a model of humoral hypercalcemia of malignancy.
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52 |
14645111
|
Using H-500 rat Leydig cancer cells as a model of humoral hypercalcemia of malignancy (HHM), we previously showed that high Ca(2+) induces PTH-related peptide (PTHrP) secretion via the calcium-sensing receptor (CaR) and mitogen- and stress-activated kinases, e.g.
|
53 |
14645111
|
MAPK kinase 1 (MEK1), p38 MAPK, and stress-activated protein kinase 1/c-Jun N-terminal kinase.
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54 |
14645111
|
Inhibition of phosphatidylinositol 3-kinase (PI3K) and p38 MAPK but not MEK1 abolished the mitogenic effect.
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55 |
14645111
|
Activation of PI3K by elevated Ca(2+) was documented by phosphorylation of its downstream kinase, protein kinase B.
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56 |
14645111
|
Taken together, our data show that activation of PI3K and p38 MAPK but not of MEK1/ERK by the CaR promotes proliferation of H-500 cells as well as affords protection against apoptosis.
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57 |
14715834
|
Familial isolated hyperparathyroidism (FIHP) can result occasionally from the incomplete expression of a syndromic form of familial hyperparathyroidism (HPT), specifically multiple endocrine neoplasia type 1 (MEN1), familial hypocalciuric hypercalcemia, or the hyperparathyroidism-jaw tumor syndrome (HPT-JT).
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58 |
14715834
|
We investigated 32 families with FIHP to determine the frequency of occult mutation in HRPT2, the gene causing HPT-JT.
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59 |
14715834
|
All families had negative clinical testing for MEN1, hypocalciuric hypercalcemia, and HPT-JT and negative mutational screening of MEN1 and CASR, the gene for the calcium-sensing receptor.
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60 |
14715834
|
Among the 32 FIHP families, only a single one was found to have a mutation in HRPT2 (679insAG); this mutation predicts premature truncation of its gene product, parafibromin, and thus its presumed inactivation.
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61 |
14743432
|
Regulation of a Ca2+-activated K+ channel by calcium-sensing receptor involves p38 MAP kinase.
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62 |
14743432
|
Here we show that elevated Ca2+(o) stimulates extracellular-signal-regulated kinase (ERK1/2) and p38 MAP kinase (MAPK).
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63 |
14743432
|
The effect of high Ca2+(o) on p38 MAPK but not ERK1/2 is CaR mediated, insofar as transduction with a dominant-negative CaR (R185Q) using recombinant adeno-associated virus (rAAV) attenuated the activation of p38 MAPK but not of ERK1/2. p38 MAPK activation by the CaR is likely to be protein kinase C (PKC) independent, in that the pan-PKC inhibitor GF109203X failed to abolish the high-Ca2+(o)-induced phosphorylation of p38 MAPK.
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64 |
14743432
|
Consistently with our data on the activation of this kinase, we observed that inhibiting p38 MAPK blocked the activation of the CAKC induced by the specific pharmacological CaR activator NPS R-467.
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65 |
14743432
|
Similarly to the lack of any effect of the PKC inhibitor on the activation of ERK1/2 and p38 MAPK, inhibiting PKC had no effect on NPS R-467-induced activation of this channel.
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66 |
14743432
|
Therefore, our data show that the CaR, acting via p38 MAPK, regulates a large-conductance CAKC in U87 cells, a process that is PKC independent.
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67 |
14764761
|
The prevalence of autoantibodies against nine intracellular enzyme autoantigens, namely 21-hydroxylase, side-chain cleavage enzyme (SCC), 17 alpha-hydroxylase, glutamic acid decarboxylase 65, aromatic L-amino acid decarboxylase, tyrosine phosphatase-like protein IA-2, tryptophan hydroxylase (TPH), tyrosine hydroxylase, cytochrome P450 1A2, and against the extracellular calcium-sensing receptor, was assessed in 90 patients with autoimmune polyendocrine syndrome type I.
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68 |
14764761
|
Autoantibodies against tyrosine phosphatase-like protein IA-2 were associated with insulin-dependent diabetes mellitus with an OR of 14.9, but with low sensitivity.
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69 |
14985373
|
It encompasses a spectrum of disorders including multiple endocrine neoplasia types 1 (MEN1) and 2A, hyperparathyroidism-jaw tumour syndrome (HPT-JT), familial hypocalciuric hypercalcaemia (FHH), and familial isolated hyperparathyroidism (FIHP).
|
70 |
14985373
|
FIHP phenotypes have been associated with mutant MEN1 and calcium-sensing receptor (CASR) genotypes and, very recently, with mutation in the newly identified HRPT2 gene.
|
71 |
14985373
|
We report results of MEN1, CASR, and HRPT2 genotyping of 22 unrelated subjects with FIHP phenotypes.
|
72 |
14985373
|
We found 5 (23%) with MEN1 mutations, four (18%) with CASR mutations, and none with an HRPT2 mutation.
|
73 |
14985373
|
These findings strongly favour a recommendation for MEN1 and CASR genotyping of patients with multiglandular FIHP, irrespective of urinary calcium excretion.
|
74 |
14985373
|
It encompasses a spectrum of disorders including multiple endocrine neoplasia types 1 (MEN1) and 2A, hyperparathyroidism-jaw tumour syndrome (HPT-JT), familial hypocalciuric hypercalcaemia (FHH), and familial isolated hyperparathyroidism (FIHP).
|
75 |
14985373
|
FIHP phenotypes have been associated with mutant MEN1 and calcium-sensing receptor (CASR) genotypes and, very recently, with mutation in the newly identified HRPT2 gene.
|
76 |
14985373
|
We report results of MEN1, CASR, and HRPT2 genotyping of 22 unrelated subjects with FIHP phenotypes.
|
77 |
14985373
|
We found 5 (23%) with MEN1 mutations, four (18%) with CASR mutations, and none with an HRPT2 mutation.
|
78 |
14985373
|
These findings strongly favour a recommendation for MEN1 and CASR genotyping of patients with multiglandular FIHP, irrespective of urinary calcium excretion.
|
79 |
14985373
|
It encompasses a spectrum of disorders including multiple endocrine neoplasia types 1 (MEN1) and 2A, hyperparathyroidism-jaw tumour syndrome (HPT-JT), familial hypocalciuric hypercalcaemia (FHH), and familial isolated hyperparathyroidism (FIHP).
|
80 |
14985373
|
FIHP phenotypes have been associated with mutant MEN1 and calcium-sensing receptor (CASR) genotypes and, very recently, with mutation in the newly identified HRPT2 gene.
|
81 |
14985373
|
We report results of MEN1, CASR, and HRPT2 genotyping of 22 unrelated subjects with FIHP phenotypes.
|
82 |
14985373
|
We found 5 (23%) with MEN1 mutations, four (18%) with CASR mutations, and none with an HRPT2 mutation.
|
83 |
14985373
|
These findings strongly favour a recommendation for MEN1 and CASR genotyping of patients with multiglandular FIHP, irrespective of urinary calcium excretion.
|
84 |
14985373
|
It encompasses a spectrum of disorders including multiple endocrine neoplasia types 1 (MEN1) and 2A, hyperparathyroidism-jaw tumour syndrome (HPT-JT), familial hypocalciuric hypercalcaemia (FHH), and familial isolated hyperparathyroidism (FIHP).
|
85 |
14985373
|
FIHP phenotypes have been associated with mutant MEN1 and calcium-sensing receptor (CASR) genotypes and, very recently, with mutation in the newly identified HRPT2 gene.
|
86 |
14985373
|
We report results of MEN1, CASR, and HRPT2 genotyping of 22 unrelated subjects with FIHP phenotypes.
|
87 |
14985373
|
We found 5 (23%) with MEN1 mutations, four (18%) with CASR mutations, and none with an HRPT2 mutation.
|
88 |
14985373
|
These findings strongly favour a recommendation for MEN1 and CASR genotyping of patients with multiglandular FIHP, irrespective of urinary calcium excretion.
|
89 |
14985373
|
It encompasses a spectrum of disorders including multiple endocrine neoplasia types 1 (MEN1) and 2A, hyperparathyroidism-jaw tumour syndrome (HPT-JT), familial hypocalciuric hypercalcaemia (FHH), and familial isolated hyperparathyroidism (FIHP).
|
90 |
14985373
|
FIHP phenotypes have been associated with mutant MEN1 and calcium-sensing receptor (CASR) genotypes and, very recently, with mutation in the newly identified HRPT2 gene.
|
91 |
14985373
|
We report results of MEN1, CASR, and HRPT2 genotyping of 22 unrelated subjects with FIHP phenotypes.
|
92 |
14985373
|
We found 5 (23%) with MEN1 mutations, four (18%) with CASR mutations, and none with an HRPT2 mutation.
|
93 |
14985373
|
These findings strongly favour a recommendation for MEN1 and CASR genotyping of patients with multiglandular FIHP, irrespective of urinary calcium excretion.
|
94 |
15252040
|
Mild nephrogenic diabetes insipidus caused by Foxa1 deficiency.
|
95 |
15252040
|
Mutations of the human genes encoding the vasopressin 2 receptor and aquaporin 2 cause nephrogenic diabetes insipidus; however, expression of these genes is maintained or increased, respectively, in Foxa1(-/-) mice.
|
96 |
15252040
|
Likewise, expression of the genes encoding the Na-K-2Cl cotransporter (NKCC2), the potassium channel ROMK, the chloride channel CLCNKB, barttin (BSND), and the calcium-sensing receptor (CASR), each of which is important in sodium reabsorption in the loop of Henle, is maintained or even increased in Foxa1-deficient mice.
|
97 |
15252040
|
Thus, we have shown that Foxa1(-/-) mice represent a new model of nephrogenic diabetes insipidus with unique molecular etiology, and we have identified the first transcription factor whose mutation leads to a defect in renal water homeostasis in vivo.
|
98 |
15336602
|
Calcium-sensing receptor activation stimulates parathyroid hormone-related protein secretion in prostate cancer cells: role of epidermal growth factor receptor transactivation.
|
99 |
15336602
|
We have previously reported that high extracellular Ca2+ stimulates parathyroid hormone-related protein (PTHrP) release from human prostate and breast cancer cell lines as well as from H-500 rat Leydig cancer cells, an action mediated by the calcium-sensing receptor (CaR).
|
100 |
15336602
|
Activating the CaR leads to phosphorylation of mitogen-activated protein kinases (MAPKs) that participate in PTHrP synthesis and secretion.
|
101 |
15336602
|
Because the CaR is a G protein-coupled receptor (GPCR), it is likely to transactivate the epidermal growth factor receptor (EGFR) or the platelet-derived growth factor receptor (PDGFR).
|
102 |
15336602
|
In this study, we hypothesized that activation of the CaR transactivates the EGFR or PDGFR, and examined whether transactivation affects PTHrP secretion in PC-3 human prostate cancer cells.
|
103 |
15336602
|
Using Western analysis, we observed that an increase in extracellular Ca2+ resulted in delayed activation of extracellular signal-regulated kinase (ERK) in PC-3 cells.
|
104 |
15336602
|
Pre-incubation with AG1478 (an EGFR kinase inhibitor) or an EGFR neutralizing antibody inhibited the high Ca2+ -induced phosphorylation of ERK1/2.
|
105 |
15336602
|
GM6001, a pan matrix metalloproteinase (MMP) inhibitor, also partially suppressed the ERK activation, but AG1296 (a PDGFR kinase inhibitor) did not.
|
106 |
15336602
|
When cells were preincubated with AG1478, GM6001, or an antihuman heparin-binding EGF (HB-EGF) antibody, PTHrP secretion was significantly inhibited under basal as well as high Ca2+ conditions, while AG1296 had no effect on PTHrP secretion.
|
107 |
15336602
|
Taken together, these findings indicate that activation of the CaR transactivates the EGFR, but not the PDGFR, leading to phosphorylation of ERK1/2 and resultant PTHrP secretion, although CaR-EGFR-ERK might not be the only signaling pathway for PTHrP secretion.
|
108 |
15336602
|
This transactivation is most likely mediated by activation of MMP and cleavage of proheparin-binding EGF (proHB-EGF) to HB-EGF.
|
109 |
15336602
|
Calcium-sensing receptor activation stimulates parathyroid hormone-related protein secretion in prostate cancer cells: role of epidermal growth factor receptor transactivation.
|
110 |
15336602
|
We have previously reported that high extracellular Ca2+ stimulates parathyroid hormone-related protein (PTHrP) release from human prostate and breast cancer cell lines as well as from H-500 rat Leydig cancer cells, an action mediated by the calcium-sensing receptor (CaR).
|
111 |
15336602
|
Activating the CaR leads to phosphorylation of mitogen-activated protein kinases (MAPKs) that participate in PTHrP synthesis and secretion.
|
112 |
15336602
|
Because the CaR is a G protein-coupled receptor (GPCR), it is likely to transactivate the epidermal growth factor receptor (EGFR) or the platelet-derived growth factor receptor (PDGFR).
|
113 |
15336602
|
In this study, we hypothesized that activation of the CaR transactivates the EGFR or PDGFR, and examined whether transactivation affects PTHrP secretion in PC-3 human prostate cancer cells.
|
114 |
15336602
|
Using Western analysis, we observed that an increase in extracellular Ca2+ resulted in delayed activation of extracellular signal-regulated kinase (ERK) in PC-3 cells.
|
115 |
15336602
|
Pre-incubation with AG1478 (an EGFR kinase inhibitor) or an EGFR neutralizing antibody inhibited the high Ca2+ -induced phosphorylation of ERK1/2.
|
116 |
15336602
|
GM6001, a pan matrix metalloproteinase (MMP) inhibitor, also partially suppressed the ERK activation, but AG1296 (a PDGFR kinase inhibitor) did not.
|
117 |
15336602
|
When cells were preincubated with AG1478, GM6001, or an antihuman heparin-binding EGF (HB-EGF) antibody, PTHrP secretion was significantly inhibited under basal as well as high Ca2+ conditions, while AG1296 had no effect on PTHrP secretion.
|
118 |
15336602
|
Taken together, these findings indicate that activation of the CaR transactivates the EGFR, but not the PDGFR, leading to phosphorylation of ERK1/2 and resultant PTHrP secretion, although CaR-EGFR-ERK might not be the only signaling pathway for PTHrP secretion.
|
119 |
15336602
|
This transactivation is most likely mediated by activation of MMP and cleavage of proheparin-binding EGF (proHB-EGF) to HB-EGF.
|
120 |
15632315
|
In a few syndromes, tissue selectivity arises from mutation in the open reading frame of a regulatory gene (CASR, TSHR) with selective expression driven by its promoter.
|
121 |
15657090
|
We have previously shown that the calcium-sensing receptor (CaR) has promalignant effects in rat H-500 Leydig cancer cells, a model for humoral hypercalcemia of malignancy.
|
122 |
15657090
|
Calcium, the major physiological ligand of the CaR, is a recognized intracellular cofactor in the process of NO production by virtue of its positive modulation of neuronal and endothelial nitric oxide synthase (NOS), but importantly, not of inducible (i) NOS activity. iNOS activity is regulated by changes in its expression level.
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123 |
15860041
|
Hence, attenuation of signal transduction from the ligand-activated vitamin D receptor and calcium-sensing receptor seems to be the prime mechanism by which calcium and vitamin D insufficiencies cause perturbation of cellular functions in bone, kidney, intestine, mammary and prostate glands, endocrine pancreas, vascular endothelium, and, importantly, in the immune system.
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124 |
16019433
|
High calcium activates the EGF receptor potentially through the calcium-sensing receptor in Leydig cancer cells.
|
125 |
16019433
|
In H-500 rat Leydig cancer cells, a model for humoral hypercalcemia of malignancy (HHM), we previously showed that the calcium-sensing receptor (CaR) stimulates PTHrP release and proliferation, both involving multiple mitogen-activated protein kinases.
|
126 |
16019433
|
The CaR-induced activation of ERK1/2, induction of PTHrP release and stimulation of cellular proliferation in H-500 cells are likewise mediated, in large part, through the EGFR.
|
127 |
16019433
|
In conclusion, the calcium activates the EGFR, possibly through the CaR, to regulate downstream signaling events and important biological functions in a model of HHM.
|
128 |
16019433
|
High calcium activates the EGF receptor potentially through the calcium-sensing receptor in Leydig cancer cells.
|
129 |
16019433
|
In H-500 rat Leydig cancer cells, a model for humoral hypercalcemia of malignancy (HHM), we previously showed that the calcium-sensing receptor (CaR) stimulates PTHrP release and proliferation, both involving multiple mitogen-activated protein kinases.
|
130 |
16019433
|
The CaR-induced activation of ERK1/2, induction of PTHrP release and stimulation of cellular proliferation in H-500 cells are likewise mediated, in large part, through the EGFR.
|
131 |
16019433
|
In conclusion, the calcium activates the EGFR, possibly through the CaR, to regulate downstream signaling events and important biological functions in a model of HHM.
|
132 |
16313305
|
Polymorphisms at +49A/G and CT60 sites in the 3' UTR of the CTLA-4 gene and APECED-related AIRE gene mutations analysis in sporadic idiopathic hypoparathyroidism.
|
133 |
16313305
|
Autoimmune diseases such as Graves' disease and type 1 diabetes have been linked with +49A/G and CT60 single nucleotide polymorphisms (SNPs) in the 3' UTR of the cytotoxic T-lymphocyte antigen-4 (CTLA-4) gene.
|
134 |
16313305
|
Hypoparathyroidism is seen in 70% of patients with autoimmune polyendocrinopathy candidiasis ectodermal dystrophy syndrome (APECED).
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135 |
16313305
|
Although calcium sensing receptor autoantibodies (CaSRAb) and generalized activation of T lymphocytes are reported among patients with sporadic idiopathic hypoparathyroidism (SIH), CTLA-4 gene SNPs and APECED-related autoimmune regulator (AIRE) gene mutations have not been assessed in them.
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136 |
16313305
|
We studied lead CTLA-4 gene SNPs and APECED-related AIRE gene mutations in 73 patients with SIH and 114 healthy subjects.
|
137 |
16313305
|
Lack of significant difference in the pattern of CTLA-4 A/G(49) and/or CT60A/G genotypes and absence of common APECED syndrome-related AIRE gene mutations among patients and controls suggest that these sites do not play a role in the development of the SIH.
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138 |
16603723
|
Effects of calcium-sensing receptor on the secretion of parathyroid hormone-related peptide and its impact on humoral hypercalcemia of malignancy.
|
139 |
16603723
|
However, CaR function can be aberrant in certain pathophysiological states, e.g., in some types of cancers known to produce humoral hypercalcemia of malignancy (HHM) in humans and animal models in which high Ca2+(o), via the CaR, produces a homeostatically inappropriate stimulation of parathyroid hormone-related peptide (PTHrP) secretion from these tumors.
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140 |
16608894
|
A hypocalcemic child with a novel activating mutation of the calcium-sensing receptor gene: successful treatment with recombinant human parathyroid hormone.
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141 |
17003237
|
Calcium receptor stimulates chemotaxis and secretion of MCP-1 in GnRH neurons in vitro: potential impact on reduced GnRH neuron population in CaR-null mice.
|
142 |
17003237
|
We studied whether the extracellular calcium-sensing receptor (CaR) promotes migration/chemotaxis of GnRH neurons.
|
143 |
17003237
|
We also demonstrated expression of a beta-chemokine, monocyte chemoattractant protein-1 (MCP-1), and its receptor, CC motif receptor-2 (CCR2), in the hypothalamic GnRH neurons as well as in GT1-7 and GN11 cells.
|
144 |
17003237
|
Exogenous MCP-1 stimulated chemotaxis of both cell lines in a dose-dependent fashion; the effect was greater in GN11 than in GT1-7 cells, consistent with the higher CCR2 mRNA levels in GN11 cells.
|
145 |
17003237
|
We conclude that the CaR may be a novel regulator of GnRH neuronal migration likely involving, in part, MCP-1.
|
146 |
17039419
|
The loss of function mutations are associated with familial benign hypocalciuric hypercalcaemia (FHH), an autosomal dominant disease characterised by lifelong mild hypercalcaemia, low urinary calcium excretion, and inappropriate high parathyroid hormone levels, sometimes difficult to distinguish from mild asymptomatic primary hyperparathyroidism.
|
147 |
17039419
|
The gain of function mutations of the calcium-sensing receptor are associated with autosomal dominant hypocalcaemia (ADH), a disease characterised by a generally asymptomatic hypocalcaemia, inappropriately high urinary calcium excretion and normal PTH levels.
|
148 |
17039419
|
The development of compounds modulating the calcium sensing receptor function and thereby the section of PTH may become an important role in treatment of diseases of calcium metabolism.
|
149 |
17039419
|
The loss of function mutations are associated with familial benign hypocalciuric hypercalcaemia (FHH), an autosomal dominant disease characterised by lifelong mild hypercalcaemia, low urinary calcium excretion, and inappropriate high parathyroid hormone levels, sometimes difficult to distinguish from mild asymptomatic primary hyperparathyroidism.
|
150 |
17039419
|
The gain of function mutations of the calcium-sensing receptor are associated with autosomal dominant hypocalcaemia (ADH), a disease characterised by a generally asymptomatic hypocalcaemia, inappropriately high urinary calcium excretion and normal PTH levels.
|
151 |
17039419
|
The development of compounds modulating the calcium sensing receptor function and thereby the section of PTH may become an important role in treatment of diseases of calcium metabolism.
|
152 |
17039419
|
The loss of function mutations are associated with familial benign hypocalciuric hypercalcaemia (FHH), an autosomal dominant disease characterised by lifelong mild hypercalcaemia, low urinary calcium excretion, and inappropriate high parathyroid hormone levels, sometimes difficult to distinguish from mild asymptomatic primary hyperparathyroidism.
|
153 |
17039419
|
The gain of function mutations of the calcium-sensing receptor are associated with autosomal dominant hypocalcaemia (ADH), a disease characterised by a generally asymptomatic hypocalcaemia, inappropriately high urinary calcium excretion and normal PTH levels.
|
154 |
17039419
|
The development of compounds modulating the calcium sensing receptor function and thereby the section of PTH may become an important role in treatment of diseases of calcium metabolism.
|
155 |
17665600
|
In patients with DM2, CAD, and HHC, vascular-thrombocyte hemostasis factors were found to be hyperactive, while anticoagulatory ones were suppressed.
|
156 |
17872384
|
Thus, Bartter syndrome, an autosomal recessive disease, is caused by mutations of the bumetanide-sensitive Na-K-Cl (NKCC2) cotransporter, the renal outer-medullary potassium channel (ROMK), the voltage-gated chloride channel, CLC-Kb, or in its beta subunit, Barttin.
|
157 |
17872384
|
Dent's disease, an X-linked disorder characterized by low molecular weight proteinuria, hypercalciuria, and nephrolithiasis, is due to mutations of the chloride/proton antiporter, CLC-5; ADHH is associated with activating mutations of the calcium-sensing receptor, which is a G protein-coupled receptor; hypophosphatemic hypercalciuric nephrolithiasis associated with rickets is due to mutations in the type 2c sodium-phosphate cotransporter (NPT2c); and familial hypomagnesemia with hypercalciuria is due to mutations of paracellin-1, which is a member of the claudin family of membrane proteins that form the intercellular tight junction barrier in a variety of epithelia.
|
158 |
18446382
|
Thus, Bartter syndrome, an autosomal disease, is caused by mutations of the bumetanide-sensitive Na-K-Cl (NKCC2) co-transporter, the renal outer-medullary potassium (ROMK) channel, the voltage-gated chloride channel, CLC-Kb, the CLC-Kb beta subunit, barttin, or the calcium-sensing receptor (CaSR).
|
159 |
18446382
|
Dent's disease, an X-linked disorder characterized by low molecular weight proteinuria, hypercalciuria and nephrolithiasis, is due to mutations of the chloride/proton antiporter 5, CLC-5; ADHH is associated with activating mutations of the CaSR, which is a G-protein-coupled receptor; hypophosphatemic hypercalciuric nephrolithiasis associated with rickets is due to mutations in the type 2c sodium-phosphate co-transporter (NPT2c); and familial hypomagnesemia with hypercalciuria is due to mutations of paracellin-1, which is a member of the claudin family of membrane proteins that form the intercellular tight junction barrier in a variety of epithelia.
|
160 |
18446382
|
Thus, Bartter syndrome, an autosomal disease, is caused by mutations of the bumetanide-sensitive Na-K-Cl (NKCC2) co-transporter, the renal outer-medullary potassium (ROMK) channel, the voltage-gated chloride channel, CLC-Kb, the CLC-Kb beta subunit, barttin, or the calcium-sensing receptor (CaSR).
|
161 |
18446382
|
Dent's disease, an X-linked disorder characterized by low molecular weight proteinuria, hypercalciuria and nephrolithiasis, is due to mutations of the chloride/proton antiporter 5, CLC-5; ADHH is associated with activating mutations of the CaSR, which is a G-protein-coupled receptor; hypophosphatemic hypercalciuric nephrolithiasis associated with rickets is due to mutations in the type 2c sodium-phosphate co-transporter (NPT2c); and familial hypomagnesemia with hypercalciuria is due to mutations of paracellin-1, which is a member of the claudin family of membrane proteins that form the intercellular tight junction barrier in a variety of epithelia.
|
162 |
18636168
|
Inflammatory cytokine signaling in insulin producing beta-cells enhances the colocalization correlation coefficient between L-type voltage-dependent calcium channel and calcium-sensing receptor.
|
163 |
18636168
|
Tumor necrosis factor-alpha (TNF-alpha), is a cytokine widely known to activate nuclear factor-kappaB (NF-kappaB) transcription in beta-cells.
|
164 |
18636168
|
To obtain a better understanding of TNF-alpha-induced molecular interactions between CaR and VDCC, confocal fluorescence measurements were performed on insulin-producing beta-cells exposed to varying concentrations of TNF-alpha and the results are discussed in the light of increased colocalization correlation coefficient.
|
165 |
18636168
|
The insulin producing beta-cells were exposed to 5, 10, 20, 30, and 50 ng/ml TNF-alpha for 24 h at 37 degrees .
|
166 |
18636168
|
The 3-D confocal fluorescence imaging data also demonstrated that addition of TNF-alpha to RIN cells led to the translocation of NF-kappaB from the cytoplasm to the nucleus.
|
167 |
19065508
|
The molecular causes comprise stimulation of the calcium-sensing receptor in the ascending Henle loop and a reduced aquaporin expression in the collecting ducts.
|
168 |
19474191
|
The full-length calcium-sensing receptor dampens the calcemic response to 1alpha,25(OH)2 vitamin D3 in vivo independently of parathyroid hormone.
|
169 |
19474191
|
1Alpha,25(OH)(2) vitamin D(3) [1,25(OH)(2)D(3)] increases serum Ca(2+) concentration in vivo, an action counteracted by activation of the Ca(2+)-sensing receptor (CaSR), which decreases parathyroid hormone (PTH) secretion and increases renal Ca(2+) excretion.
|
170 |
19474191
|
Relatively little is known of the role the CaSR plays in this response through its potentially direct actions in kidney, gut, and bone independently of PTH.
|
171 |
19474191
|
We report PTH-independent roles of the CaSR in modulating the response to exogenous 1,25(OH)(2)D(3) in mice with targeted disruption of both the CaSR and PTH genes (C(-)P(-)) compared with that in mice with disruption of the PTH gene alone (C(+)P(-)) or wild-type mice (C(+)P(+)).
|
172 |
19474191
|
In conclusion, mice lacking the full-length CaSR have increased sensitivity to the calcemic action of 1,25(OH)(2)D(3) in the setting of PTH deficiency.
|
173 |
19474191
|
The full-length calcium-sensing receptor dampens the calcemic response to 1alpha,25(OH)2 vitamin D3 in vivo independently of parathyroid hormone.
|
174 |
19474191
|
1Alpha,25(OH)(2) vitamin D(3) [1,25(OH)(2)D(3)] increases serum Ca(2+) concentration in vivo, an action counteracted by activation of the Ca(2+)-sensing receptor (CaSR), which decreases parathyroid hormone (PTH) secretion and increases renal Ca(2+) excretion.
|
175 |
19474191
|
Relatively little is known of the role the CaSR plays in this response through its potentially direct actions in kidney, gut, and bone independently of PTH.
|
176 |
19474191
|
We report PTH-independent roles of the CaSR in modulating the response to exogenous 1,25(OH)(2)D(3) in mice with targeted disruption of both the CaSR and PTH genes (C(-)P(-)) compared with that in mice with disruption of the PTH gene alone (C(+)P(-)) or wild-type mice (C(+)P(+)).
|
177 |
19474191
|
In conclusion, mice lacking the full-length CaSR have increased sensitivity to the calcemic action of 1,25(OH)(2)D(3) in the setting of PTH deficiency.
|
178 |
19474191
|
The full-length calcium-sensing receptor dampens the calcemic response to 1alpha,25(OH)2 vitamin D3 in vivo independently of parathyroid hormone.
|
179 |
19474191
|
1Alpha,25(OH)(2) vitamin D(3) [1,25(OH)(2)D(3)] increases serum Ca(2+) concentration in vivo, an action counteracted by activation of the Ca(2+)-sensing receptor (CaSR), which decreases parathyroid hormone (PTH) secretion and increases renal Ca(2+) excretion.
|
180 |
19474191
|
Relatively little is known of the role the CaSR plays in this response through its potentially direct actions in kidney, gut, and bone independently of PTH.
|
181 |
19474191
|
We report PTH-independent roles of the CaSR in modulating the response to exogenous 1,25(OH)(2)D(3) in mice with targeted disruption of both the CaSR and PTH genes (C(-)P(-)) compared with that in mice with disruption of the PTH gene alone (C(+)P(-)) or wild-type mice (C(+)P(+)).
|
182 |
19474191
|
In conclusion, mice lacking the full-length CaSR have increased sensitivity to the calcemic action of 1,25(OH)(2)D(3) in the setting of PTH deficiency.
|
183 |
19474191
|
The full-length calcium-sensing receptor dampens the calcemic response to 1alpha,25(OH)2 vitamin D3 in vivo independently of parathyroid hormone.
|
184 |
19474191
|
1Alpha,25(OH)(2) vitamin D(3) [1,25(OH)(2)D(3)] increases serum Ca(2+) concentration in vivo, an action counteracted by activation of the Ca(2+)-sensing receptor (CaSR), which decreases parathyroid hormone (PTH) secretion and increases renal Ca(2+) excretion.
|
185 |
19474191
|
Relatively little is known of the role the CaSR plays in this response through its potentially direct actions in kidney, gut, and bone independently of PTH.
|
186 |
19474191
|
We report PTH-independent roles of the CaSR in modulating the response to exogenous 1,25(OH)(2)D(3) in mice with targeted disruption of both the CaSR and PTH genes (C(-)P(-)) compared with that in mice with disruption of the PTH gene alone (C(+)P(-)) or wild-type mice (C(+)P(+)).
|
187 |
19474191
|
In conclusion, mice lacking the full-length CaSR have increased sensitivity to the calcemic action of 1,25(OH)(2)D(3) in the setting of PTH deficiency.
|
188 |
19474191
|
The full-length calcium-sensing receptor dampens the calcemic response to 1alpha,25(OH)2 vitamin D3 in vivo independently of parathyroid hormone.
|
189 |
19474191
|
1Alpha,25(OH)(2) vitamin D(3) [1,25(OH)(2)D(3)] increases serum Ca(2+) concentration in vivo, an action counteracted by activation of the Ca(2+)-sensing receptor (CaSR), which decreases parathyroid hormone (PTH) secretion and increases renal Ca(2+) excretion.
|
190 |
19474191
|
Relatively little is known of the role the CaSR plays in this response through its potentially direct actions in kidney, gut, and bone independently of PTH.
|
191 |
19474191
|
We report PTH-independent roles of the CaSR in modulating the response to exogenous 1,25(OH)(2)D(3) in mice with targeted disruption of both the CaSR and PTH genes (C(-)P(-)) compared with that in mice with disruption of the PTH gene alone (C(+)P(-)) or wild-type mice (C(+)P(+)).
|
192 |
19474191
|
In conclusion, mice lacking the full-length CaSR have increased sensitivity to the calcemic action of 1,25(OH)(2)D(3) in the setting of PTH deficiency.
|
193 |
19797241
|
The calcium-sensing receptor (CaSR) defends against hypercalcemia independently of its regulation of parathyroid hormone secretion.
|
194 |
19797241
|
The calcium-sensing receptor (CaSR) controls parathyroid hormone (PTH) secretion, which, in turn, via direct and indirect actions on kidney, bone, and intestine, maintains a normal extracellular ionized calcium concentration (Ca(2+)(o)).
|
195 |
19797241
|
We have employed single and double knockout mouse models, namely mice lacking PTH alone (CaSR(+/+) PTH(-/-), referred to as C(+)P(-)), lacking both CaSR and PTH (CaSR(-/-) PTH(-/-), C(-)P(-)) or wild-type (CaSR(+/+) PTH(+/+), C(+)P(+)) mice to study CaSR-specific functions without confounding CaSR-mediated changes in PTH.
|
196 |
19797241
|
Thus, CaSR-stimulated PTH release serves as a "floor" to defend against hypocalcemia.
|
197 |
19797241
|
In contrast, high-Ca(2+)(o)-induced inhibition of PTH is not required for a robust defense against hypercalcemia, at least in mice, whereas high-Ca(2+)(o)-stimulated, CaSR-mediated CT secretion and renal Ca(2+) excretion, and perhaps other factors, serve as a "ceiling" to limit hypercalcemia resulting from various types of hypercalcemic challenges.
|
198 |
19797241
|
The calcium-sensing receptor (CaSR) defends against hypercalcemia independently of its regulation of parathyroid hormone secretion.
|
199 |
19797241
|
The calcium-sensing receptor (CaSR) controls parathyroid hormone (PTH) secretion, which, in turn, via direct and indirect actions on kidney, bone, and intestine, maintains a normal extracellular ionized calcium concentration (Ca(2+)(o)).
|
200 |
19797241
|
We have employed single and double knockout mouse models, namely mice lacking PTH alone (CaSR(+/+) PTH(-/-), referred to as C(+)P(-)), lacking both CaSR and PTH (CaSR(-/-) PTH(-/-), C(-)P(-)) or wild-type (CaSR(+/+) PTH(+/+), C(+)P(+)) mice to study CaSR-specific functions without confounding CaSR-mediated changes in PTH.
|
201 |
19797241
|
Thus, CaSR-stimulated PTH release serves as a "floor" to defend against hypocalcemia.
|
202 |
19797241
|
In contrast, high-Ca(2+)(o)-induced inhibition of PTH is not required for a robust defense against hypercalcemia, at least in mice, whereas high-Ca(2+)(o)-stimulated, CaSR-mediated CT secretion and renal Ca(2+) excretion, and perhaps other factors, serve as a "ceiling" to limit hypercalcemia resulting from various types of hypercalcemic challenges.
|
203 |
19797241
|
The calcium-sensing receptor (CaSR) defends against hypercalcemia independently of its regulation of parathyroid hormone secretion.
|
204 |
19797241
|
The calcium-sensing receptor (CaSR) controls parathyroid hormone (PTH) secretion, which, in turn, via direct and indirect actions on kidney, bone, and intestine, maintains a normal extracellular ionized calcium concentration (Ca(2+)(o)).
|
205 |
19797241
|
We have employed single and double knockout mouse models, namely mice lacking PTH alone (CaSR(+/+) PTH(-/-), referred to as C(+)P(-)), lacking both CaSR and PTH (CaSR(-/-) PTH(-/-), C(-)P(-)) or wild-type (CaSR(+/+) PTH(+/+), C(+)P(+)) mice to study CaSR-specific functions without confounding CaSR-mediated changes in PTH.
|
206 |
19797241
|
Thus, CaSR-stimulated PTH release serves as a "floor" to defend against hypocalcemia.
|
207 |
19797241
|
In contrast, high-Ca(2+)(o)-induced inhibition of PTH is not required for a robust defense against hypercalcemia, at least in mice, whereas high-Ca(2+)(o)-stimulated, CaSR-mediated CT secretion and renal Ca(2+) excretion, and perhaps other factors, serve as a "ceiling" to limit hypercalcemia resulting from various types of hypercalcemic challenges.
|
208 |
19797241
|
The calcium-sensing receptor (CaSR) defends against hypercalcemia independently of its regulation of parathyroid hormone secretion.
|
209 |
19797241
|
The calcium-sensing receptor (CaSR) controls parathyroid hormone (PTH) secretion, which, in turn, via direct and indirect actions on kidney, bone, and intestine, maintains a normal extracellular ionized calcium concentration (Ca(2+)(o)).
|
210 |
19797241
|
We have employed single and double knockout mouse models, namely mice lacking PTH alone (CaSR(+/+) PTH(-/-), referred to as C(+)P(-)), lacking both CaSR and PTH (CaSR(-/-) PTH(-/-), C(-)P(-)) or wild-type (CaSR(+/+) PTH(+/+), C(+)P(+)) mice to study CaSR-specific functions without confounding CaSR-mediated changes in PTH.
|
211 |
19797241
|
Thus, CaSR-stimulated PTH release serves as a "floor" to defend against hypocalcemia.
|
212 |
19797241
|
In contrast, high-Ca(2+)(o)-induced inhibition of PTH is not required for a robust defense against hypercalcemia, at least in mice, whereas high-Ca(2+)(o)-stimulated, CaSR-mediated CT secretion and renal Ca(2+) excretion, and perhaps other factors, serve as a "ceiling" to limit hypercalcemia resulting from various types of hypercalcemic challenges.
|
213 |
19797241
|
The calcium-sensing receptor (CaSR) defends against hypercalcemia independently of its regulation of parathyroid hormone secretion.
|
214 |
19797241
|
The calcium-sensing receptor (CaSR) controls parathyroid hormone (PTH) secretion, which, in turn, via direct and indirect actions on kidney, bone, and intestine, maintains a normal extracellular ionized calcium concentration (Ca(2+)(o)).
|
215 |
19797241
|
We have employed single and double knockout mouse models, namely mice lacking PTH alone (CaSR(+/+) PTH(-/-), referred to as C(+)P(-)), lacking both CaSR and PTH (CaSR(-/-) PTH(-/-), C(-)P(-)) or wild-type (CaSR(+/+) PTH(+/+), C(+)P(+)) mice to study CaSR-specific functions without confounding CaSR-mediated changes in PTH.
|
216 |
19797241
|
Thus, CaSR-stimulated PTH release serves as a "floor" to defend against hypocalcemia.
|
217 |
19797241
|
In contrast, high-Ca(2+)(o)-induced inhibition of PTH is not required for a robust defense against hypercalcemia, at least in mice, whereas high-Ca(2+)(o)-stimulated, CaSR-mediated CT secretion and renal Ca(2+) excretion, and perhaps other factors, serve as a "ceiling" to limit hypercalcemia resulting from various types of hypercalcemic challenges.
|
218 |
19953642
|
Patients 3 and 4 and their relatives did not have MEN1 mutations, but instead had familial hypocalciuric hypercalcaemia (FHH) due to a calcium-sensing receptor mutation (p.Arg680Cys), and the hyperparathyroidism-jaw tumour (HPT-JT) syndrome due to a hyperparathyroidism type 2 deletional-frameshift mutation (c.1239delA), respectively.
|
219 |
20876097
|
Calcium-sensing receptor is a physiologic multimodal chemosensor regulating gastric G-cell growth and gastrin secretion.
|
220 |
21094899
|
This has led to the hypothesis that these receptors may act as sensors of food intake modulating, for example, release of incretin hormones from the gut, insulin/glucagon from the pancreas, and leptin from adipose tissue.
|
221 |
21094899
|
In the present review, we describe the molecular mechanisms of nutrient-sensing of the calcium-sensing receptor (CaR), the G protein-coupled receptor family C, group 6, subtype A (GPRC6A), and the taste1 receptor T1R1/T1R3-sensing L-α-amino acids; the carbohydrate-sensing T1R2/T1R3 receptor; the proteolytic degradation product sensor GPR93 (also termed GPR92); and the FFA sensing receptors FFA1, FFA2, FFA3, GPR84, and GPR120.
|
222 |
21252045
|
The extracellular calcium-sensing receptor is required for cholecystokinin secretion in response to L-phenylalanine in acutely isolated intestinal I cells.
|
223 |
21252045
|
The extracellular calcium-sensing receptor (CaSR) has recently been recognized as an L-amino acid sensor and has been implicated in mediating cholecystokinin (CCK) secretion in response to aromatic amino acids.
|
224 |
21252045
|
We investigated whether direct detection of L-phenylalanine (L-Phe) by CaSR results in CCK secretion in the native I cell.
|
225 |
21252045
|
Fluorescence-activated cell sorting of duodenal I cells from CCK-enhanced green fluorescent protein (eGFP) transgenic mice demonstrated CaSR gene expression.
|
226 |
21252045
|
While the deletion of CaSR from CCK-eGFP cells did not affect basal CCK secretion, the effect of L-Phe or cinacalcet on intracellular calcium flux was lost.
|
227 |
21252045
|
In fact, both secretagogues, as well as superphysiological Ca(2+), evoked an unexpected 20-30% decrease in CCK secretion compared with basal secretion in CaSR(-/-) CCK-eGFP cells.
|
228 |
21252045
|
CCK secretion in response to KCl or tryptone was unaffected by the absence of CaSR.
|
229 |
21252045
|
The extracellular calcium-sensing receptor is required for cholecystokinin secretion in response to L-phenylalanine in acutely isolated intestinal I cells.
|
230 |
21252045
|
The extracellular calcium-sensing receptor (CaSR) has recently been recognized as an L-amino acid sensor and has been implicated in mediating cholecystokinin (CCK) secretion in response to aromatic amino acids.
|
231 |
21252045
|
We investigated whether direct detection of L-phenylalanine (L-Phe) by CaSR results in CCK secretion in the native I cell.
|
232 |
21252045
|
Fluorescence-activated cell sorting of duodenal I cells from CCK-enhanced green fluorescent protein (eGFP) transgenic mice demonstrated CaSR gene expression.
|
233 |
21252045
|
While the deletion of CaSR from CCK-eGFP cells did not affect basal CCK secretion, the effect of L-Phe or cinacalcet on intracellular calcium flux was lost.
|
234 |
21252045
|
In fact, both secretagogues, as well as superphysiological Ca(2+), evoked an unexpected 20-30% decrease in CCK secretion compared with basal secretion in CaSR(-/-) CCK-eGFP cells.
|
235 |
21252045
|
CCK secretion in response to KCl or tryptone was unaffected by the absence of CaSR.
|
236 |
21252045
|
The extracellular calcium-sensing receptor is required for cholecystokinin secretion in response to L-phenylalanine in acutely isolated intestinal I cells.
|
237 |
21252045
|
The extracellular calcium-sensing receptor (CaSR) has recently been recognized as an L-amino acid sensor and has been implicated in mediating cholecystokinin (CCK) secretion in response to aromatic amino acids.
|
238 |
21252045
|
We investigated whether direct detection of L-phenylalanine (L-Phe) by CaSR results in CCK secretion in the native I cell.
|
239 |
21252045
|
Fluorescence-activated cell sorting of duodenal I cells from CCK-enhanced green fluorescent protein (eGFP) transgenic mice demonstrated CaSR gene expression.
|
240 |
21252045
|
While the deletion of CaSR from CCK-eGFP cells did not affect basal CCK secretion, the effect of L-Phe or cinacalcet on intracellular calcium flux was lost.
|
241 |
21252045
|
In fact, both secretagogues, as well as superphysiological Ca(2+), evoked an unexpected 20-30% decrease in CCK secretion compared with basal secretion in CaSR(-/-) CCK-eGFP cells.
|
242 |
21252045
|
CCK secretion in response to KCl or tryptone was unaffected by the absence of CaSR.
|
243 |
21252045
|
The extracellular calcium-sensing receptor is required for cholecystokinin secretion in response to L-phenylalanine in acutely isolated intestinal I cells.
|
244 |
21252045
|
The extracellular calcium-sensing receptor (CaSR) has recently been recognized as an L-amino acid sensor and has been implicated in mediating cholecystokinin (CCK) secretion in response to aromatic amino acids.
|
245 |
21252045
|
We investigated whether direct detection of L-phenylalanine (L-Phe) by CaSR results in CCK secretion in the native I cell.
|
246 |
21252045
|
Fluorescence-activated cell sorting of duodenal I cells from CCK-enhanced green fluorescent protein (eGFP) transgenic mice demonstrated CaSR gene expression.
|
247 |
21252045
|
While the deletion of CaSR from CCK-eGFP cells did not affect basal CCK secretion, the effect of L-Phe or cinacalcet on intracellular calcium flux was lost.
|
248 |
21252045
|
In fact, both secretagogues, as well as superphysiological Ca(2+), evoked an unexpected 20-30% decrease in CCK secretion compared with basal secretion in CaSR(-/-) CCK-eGFP cells.
|
249 |
21252045
|
CCK secretion in response to KCl or tryptone was unaffected by the absence of CaSR.
|
250 |
21252045
|
The extracellular calcium-sensing receptor is required for cholecystokinin secretion in response to L-phenylalanine in acutely isolated intestinal I cells.
|
251 |
21252045
|
The extracellular calcium-sensing receptor (CaSR) has recently been recognized as an L-amino acid sensor and has been implicated in mediating cholecystokinin (CCK) secretion in response to aromatic amino acids.
|
252 |
21252045
|
We investigated whether direct detection of L-phenylalanine (L-Phe) by CaSR results in CCK secretion in the native I cell.
|
253 |
21252045
|
Fluorescence-activated cell sorting of duodenal I cells from CCK-enhanced green fluorescent protein (eGFP) transgenic mice demonstrated CaSR gene expression.
|
254 |
21252045
|
While the deletion of CaSR from CCK-eGFP cells did not affect basal CCK secretion, the effect of L-Phe or cinacalcet on intracellular calcium flux was lost.
|
255 |
21252045
|
In fact, both secretagogues, as well as superphysiological Ca(2+), evoked an unexpected 20-30% decrease in CCK secretion compared with basal secretion in CaSR(-/-) CCK-eGFP cells.
|
256 |
21252045
|
CCK secretion in response to KCl or tryptone was unaffected by the absence of CaSR.
|
257 |
21252045
|
The extracellular calcium-sensing receptor is required for cholecystokinin secretion in response to L-phenylalanine in acutely isolated intestinal I cells.
|
258 |
21252045
|
The extracellular calcium-sensing receptor (CaSR) has recently been recognized as an L-amino acid sensor and has been implicated in mediating cholecystokinin (CCK) secretion in response to aromatic amino acids.
|
259 |
21252045
|
We investigated whether direct detection of L-phenylalanine (L-Phe) by CaSR results in CCK secretion in the native I cell.
|
260 |
21252045
|
Fluorescence-activated cell sorting of duodenal I cells from CCK-enhanced green fluorescent protein (eGFP) transgenic mice demonstrated CaSR gene expression.
|
261 |
21252045
|
While the deletion of CaSR from CCK-eGFP cells did not affect basal CCK secretion, the effect of L-Phe or cinacalcet on intracellular calcium flux was lost.
|
262 |
21252045
|
In fact, both secretagogues, as well as superphysiological Ca(2+), evoked an unexpected 20-30% decrease in CCK secretion compared with basal secretion in CaSR(-/-) CCK-eGFP cells.
|
263 |
21252045
|
CCK secretion in response to KCl or tryptone was unaffected by the absence of CaSR.
|
264 |
21252045
|
The extracellular calcium-sensing receptor is required for cholecystokinin secretion in response to L-phenylalanine in acutely isolated intestinal I cells.
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265 |
21252045
|
The extracellular calcium-sensing receptor (CaSR) has recently been recognized as an L-amino acid sensor and has been implicated in mediating cholecystokinin (CCK) secretion in response to aromatic amino acids.
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266 |
21252045
|
We investigated whether direct detection of L-phenylalanine (L-Phe) by CaSR results in CCK secretion in the native I cell.
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267 |
21252045
|
Fluorescence-activated cell sorting of duodenal I cells from CCK-enhanced green fluorescent protein (eGFP) transgenic mice demonstrated CaSR gene expression.
|
268 |
21252045
|
While the deletion of CaSR from CCK-eGFP cells did not affect basal CCK secretion, the effect of L-Phe or cinacalcet on intracellular calcium flux was lost.
|
269 |
21252045
|
In fact, both secretagogues, as well as superphysiological Ca(2+), evoked an unexpected 20-30% decrease in CCK secretion compared with basal secretion in CaSR(-/-) CCK-eGFP cells.
|
270 |
21252045
|
CCK secretion in response to KCl or tryptone was unaffected by the absence of CaSR.
|
271 |
21765099
|
In particular, the mouse models generated for parathyroid disorders, which include: the multiple endocrine neoplasias; hyperparathyroidism-jaw tumour syndrome; disorders of the calcium-sensing receptor and forms of inherited hypoparathyroidism are discussed.
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272 |
22010828
|
The adaptor protein 14-3-3 binds to the calcium-sensing receptor and attenuates receptor-mediated Rho kinase signalling.
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273 |
22010828
|
Overexpression of 14-3-3θ in HEK-293/CaR cells attenuated CaR-mediated Rho signalling, but had no effect on ERK (extracellular-signal-regulated kinase) 1/2 signalling.
|
274 |
22137362
|
Western blot analyzed the expression of CaSR, protein kinase C α(PKC-α) and calcium handling regulators, such as phospholamban (PLN), Ca(2+)-ATPase (SERCA), and ryanodine receptor (RyR).
|
275 |
22137362
|
Compared with control group, [Ca(2+)](i) and the expression of CaSR, RyR and SERCA/PLN were decreased, while PKC-α and PLN were significantly increased in a time-dependent manner in diabetic groups.
|
276 |
22137362
|
Western blot analyzed the expression of CaSR, protein kinase C α(PKC-α) and calcium handling regulators, such as phospholamban (PLN), Ca(2+)-ATPase (SERCA), and ryanodine receptor (RyR).
|
277 |
22137362
|
Compared with control group, [Ca(2+)](i) and the expression of CaSR, RyR and SERCA/PLN were decreased, while PKC-α and PLN were significantly increased in a time-dependent manner in diabetic groups.
|
278 |
22844268
|
The aim of this study was to investigate the immunohistochemical expression of caspase-3, cyclooxygenase (COX)-1 and-2, calcium sensing receptor (CSR), and hypoxia inducible factor-1α (HIF-1α) in pancreas, liver, and kidney in streptozotocin (STZ) induced DM.
|
279 |
23233539
|
We sought to investigate the regulatory roles of calcium and phosphorus in FGF23 production using genetic mouse models with targeted inactivation of PTH (PTH KO) or both PTH and the calcium-sensing receptor (CaSR; PTH-CaSR DKO).
|
280 |
23233539
|
Since calcium stimulated FGF23 production in the PTH-CaSR DKO mice, this effect cannot be mediated by the full-length CaSR.
|
281 |
23233539
|
We sought to investigate the regulatory roles of calcium and phosphorus in FGF23 production using genetic mouse models with targeted inactivation of PTH (PTH KO) or both PTH and the calcium-sensing receptor (CaSR; PTH-CaSR DKO).
|
282 |
23233539
|
Since calcium stimulated FGF23 production in the PTH-CaSR DKO mice, this effect cannot be mediated by the full-length CaSR.
|
283 |
23476019
|
Thus, Insig1, Lss, Peci, Idi1, Hmgcs1, and Casr were subject to epigenetic regulation.
|
284 |
23528155
|
Parathyroid hormone ablation alters erythrocyte parameters that are rescued by calcium-sensing receptor gene deletion.
|
285 |
23528155
|
We observed that the absence of PTH significantly increases mean erythrocyte volume and reticulocyte counts, while decreasing erythrocyte counts, hemoglobin, hematocrit, and mean corpuscular hemoglobin concentration.
|
286 |
23565380
|
The calcium-sensing receptor (CaSR) is a 1,078 amino acid G protein-coupled receptor (GPCR), which is predominantly expressed in the parathyroids and kidney.
|
287 |
23565380
|
The CaSR allows regulation of parathyroid hormone (PTH) secretion and renal tubular calcium re-absorption in response to alterations in extracellular calcium concentrations.
|
288 |
23565380
|
Loss-of-function CaSR mutations have been reported in the hypercalcemic disorders of familial benign (hypocalciuric) hypercalcemia (FBH or FHH), neonatal severe primary hyperparathyroidism (NSHPT), and adult primary hyperparathyroidism.
|
289 |
23565380
|
The calcium-sensing receptor (CaSR) is a 1,078 amino acid G protein-coupled receptor (GPCR), which is predominantly expressed in the parathyroids and kidney.
|
290 |
23565380
|
The CaSR allows regulation of parathyroid hormone (PTH) secretion and renal tubular calcium re-absorption in response to alterations in extracellular calcium concentrations.
|
291 |
23565380
|
Loss-of-function CaSR mutations have been reported in the hypercalcemic disorders of familial benign (hypocalciuric) hypercalcemia (FBH or FHH), neonatal severe primary hyperparathyroidism (NSHPT), and adult primary hyperparathyroidism.
|
292 |
23565380
|
The calcium-sensing receptor (CaSR) is a 1,078 amino acid G protein-coupled receptor (GPCR), which is predominantly expressed in the parathyroids and kidney.
|
293 |
23565380
|
The CaSR allows regulation of parathyroid hormone (PTH) secretion and renal tubular calcium re-absorption in response to alterations in extracellular calcium concentrations.
|
294 |
23565380
|
Loss-of-function CaSR mutations have been reported in the hypercalcemic disorders of familial benign (hypocalciuric) hypercalcemia (FBH or FHH), neonatal severe primary hyperparathyroidism (NSHPT), and adult primary hyperparathyroidism.
|
295 |
23856263
|
The CaSR plays key roles in maintaining [Formula: see text] homeostasis by detecting small changes in blood Ca(2+) and modulating the production/secretion of the Ca(2+)-regulating hormones, PTH, CT, FGF23 and 1,25(OH)2D3, so as to appropriately regulate Ca(2+) transport into or out of blood via kidney, intestine, and/or bone.
|
296 |
23856263
|
When Ca(2+) is high, the CaSR suppresses PTH synthesis and secretion, promotes its degradation, and inhibits parathyroid cellular proliferation.
|
297 |
23856263
|
The CaSR plays key roles in maintaining [Formula: see text] homeostasis by detecting small changes in blood Ca(2+) and modulating the production/secretion of the Ca(2+)-regulating hormones, PTH, CT, FGF23 and 1,25(OH)2D3, so as to appropriately regulate Ca(2+) transport into or out of blood via kidney, intestine, and/or bone.
|
298 |
23856263
|
When Ca(2+) is high, the CaSR suppresses PTH synthesis and secretion, promotes its degradation, and inhibits parathyroid cellular proliferation.
|
299 |
23856265
|
The extracellular calcium-sensing receptor (CaSR) is a family C G-protein-coupled receptor (GPCR) that is expressed at multiple sites, including the parathyroids and kidneys.
|
300 |
23856265
|
Moreover, autoantibodies directed against the extracellular domain of the CaSR have been found to be associated with FHH in some patients, and also in some patients with hypoparathyroidism that may be part of autoimmune polyglandular syndrome type 1.
|
301 |
23856265
|
The extracellular calcium-sensing receptor (CaSR) is a family C G-protein-coupled receptor (GPCR) that is expressed at multiple sites, including the parathyroids and kidneys.
|
302 |
23856265
|
Moreover, autoantibodies directed against the extracellular domain of the CaSR have been found to be associated with FHH in some patients, and also in some patients with hypoparathyroidism that may be part of autoimmune polyglandular syndrome type 1.
|
303 |
19487246
|
These receptors thus hold the potential to act as sensors of food intake, regulating, for example, release of incretin hormones from the gut, insulin/glucagon from the pancreas, and leptin from adipose tissue.
|
304 |
19487246
|
We here review the molecular mechanisms of nutrient sensing of the calcium-sensing receptor, the G protein-coupled receptor family C, group 6, subtype A (GPRC6A), and the taste1 receptor T1R1/T1R3, which are sensing L-alpha-amino acids, the carbohydrate-sensing T1R2/T1R3 receptor, the proteolytic degradation product sensor GPR93 (also termed GPR92), and the free fatty acid (FFA) sensing receptors FFA1, FFA2, FFA3, GPR84, and GPR120.
|