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PMID |
Sentence |
1 |
15356215
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Carnitine palmitoyltransferase 1beta (CPT-1beta) is a key regulator of the beta oxidation of long-chain fatty acids in skeletal muscle and therefore a potential therapeutic target for diseases associated with defects in lipid metabolism such as obesity and type 2 diabetes.
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2 |
15356215
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C75 [4-methylene-2-octyl-5-oxo-tetrahydro-furan-3-carboxylic acid] is an alpha-methylene-butyrolactone that has been characterized as both an inhibitor of fatty acid synthase and more recently, an activator of CPT-1 (Thupari et al., 2002).
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3 |
15356215
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Using human CPT-1beta expressed in the yeast Pichia pastoris, we demonstrate that C75 can activate the skeletal muscle isoform of CPT-1 and overcome inactivation of the enzyme by malonyl CoA, an important physiological repressor of CPT-1, and the malonyl CoA mimetic Ro25-0187 [{5-[2-(naphthalen-2-yloxy)-ethoxy]-thiophen-2-yl}-oxo-acetic acid].
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4 |
15356215
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We conclude that CPT-1 is an activator of human CPT-1beta and other CPT-1 isoforms but that it does not activate CPT-1 through antagonism of malonyl CoA binding.
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5 |
15356215
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Carnitine palmitoyltransferase 1beta (CPT-1beta) is a key regulator of the beta oxidation of long-chain fatty acids in skeletal muscle and therefore a potential therapeutic target for diseases associated with defects in lipid metabolism such as obesity and type 2 diabetes.
|
6 |
15356215
|
C75 [4-methylene-2-octyl-5-oxo-tetrahydro-furan-3-carboxylic acid] is an alpha-methylene-butyrolactone that has been characterized as both an inhibitor of fatty acid synthase and more recently, an activator of CPT-1 (Thupari et al., 2002).
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7 |
15356215
|
Using human CPT-1beta expressed in the yeast Pichia pastoris, we demonstrate that C75 can activate the skeletal muscle isoform of CPT-1 and overcome inactivation of the enzyme by malonyl CoA, an important physiological repressor of CPT-1, and the malonyl CoA mimetic Ro25-0187 [{5-[2-(naphthalen-2-yloxy)-ethoxy]-thiophen-2-yl}-oxo-acetic acid].
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8 |
15356215
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We conclude that CPT-1 is an activator of human CPT-1beta and other CPT-1 isoforms but that it does not activate CPT-1 through antagonism of malonyl CoA binding.
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9 |
15356215
|
Carnitine palmitoyltransferase 1beta (CPT-1beta) is a key regulator of the beta oxidation of long-chain fatty acids in skeletal muscle and therefore a potential therapeutic target for diseases associated with defects in lipid metabolism such as obesity and type 2 diabetes.
|
10 |
15356215
|
C75 [4-methylene-2-octyl-5-oxo-tetrahydro-furan-3-carboxylic acid] is an alpha-methylene-butyrolactone that has been characterized as both an inhibitor of fatty acid synthase and more recently, an activator of CPT-1 (Thupari et al., 2002).
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11 |
15356215
|
Using human CPT-1beta expressed in the yeast Pichia pastoris, we demonstrate that C75 can activate the skeletal muscle isoform of CPT-1 and overcome inactivation of the enzyme by malonyl CoA, an important physiological repressor of CPT-1, and the malonyl CoA mimetic Ro25-0187 [{5-[2-(naphthalen-2-yloxy)-ethoxy]-thiophen-2-yl}-oxo-acetic acid].
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12 |
15356215
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We conclude that CPT-1 is an activator of human CPT-1beta and other CPT-1 isoforms but that it does not activate CPT-1 through antagonism of malonyl CoA binding.
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13 |
19233164
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CPT-1B is induced by the transcription factors peroxisome proliferator activated receptor-alpha (PPAR-alpha) and PPAR-gamma-coactivator 1alpha (PGC1alpha) and repressed by upstream stimulatory factor-2 (USF-2).
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14 |
19233164
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We therefore hypothesized that metoprolol represses CPT-1B by increasing USF-2-mediated repression of PGC1alpha.
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15 |
19233164
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After termination, the expression of CPT-1 isoforms, PPAR-alpha, PGC1alpha USF-1 and USF-2, as well as downstream targets were measured.
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16 |
19233164
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Binding of PPAR-alpha, PGC1alpha and USF-2 to PGC1alpha was measured using coimmunoprecipitation.
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17 |
19233164
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The occupation of PPAR-alpha and MEF-2A consensus sites in the CPT-1B promoter was measured using chromatin immunoprecipitation assays.
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18 |
19233164
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The expression of USF-2 was increased by metoprolol in both control and diabetic hearts, but the association of USF-2 with PGC1alpha was increased by metoprolol only in diabetic hearts.
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19 |
19233164
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Metoprolol prevented the increase in PGC1alpha occupation of the CPT-1B promoter region observed in the diabetic heart without affecting PPAR-alpha occupation.
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20 |
19233164
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Metoprolol decreases CPT-1B expression by decreasing PGC1alpha-mediated coactivation of PPAR-alpha and MEF-2A.
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21 |
19233164
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This is associated with increased PGC1alpha/ USF-2 binding, suggesting that USF-2 mediates the metoprolol-induced repression of PGC1alpha.
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22 |
19233164
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CPT-1B is induced by the transcription factors peroxisome proliferator activated receptor-alpha (PPAR-alpha) and PPAR-gamma-coactivator 1alpha (PGC1alpha) and repressed by upstream stimulatory factor-2 (USF-2).
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23 |
19233164
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We therefore hypothesized that metoprolol represses CPT-1B by increasing USF-2-mediated repression of PGC1alpha.
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24 |
19233164
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After termination, the expression of CPT-1 isoforms, PPAR-alpha, PGC1alpha USF-1 and USF-2, as well as downstream targets were measured.
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25 |
19233164
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Binding of PPAR-alpha, PGC1alpha and USF-2 to PGC1alpha was measured using coimmunoprecipitation.
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26 |
19233164
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The occupation of PPAR-alpha and MEF-2A consensus sites in the CPT-1B promoter was measured using chromatin immunoprecipitation assays.
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27 |
19233164
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The expression of USF-2 was increased by metoprolol in both control and diabetic hearts, but the association of USF-2 with PGC1alpha was increased by metoprolol only in diabetic hearts.
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28 |
19233164
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Metoprolol prevented the increase in PGC1alpha occupation of the CPT-1B promoter region observed in the diabetic heart without affecting PPAR-alpha occupation.
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29 |
19233164
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Metoprolol decreases CPT-1B expression by decreasing PGC1alpha-mediated coactivation of PPAR-alpha and MEF-2A.
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30 |
19233164
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This is associated with increased PGC1alpha/ USF-2 binding, suggesting that USF-2 mediates the metoprolol-induced repression of PGC1alpha.
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31 |
19233164
|
CPT-1B is induced by the transcription factors peroxisome proliferator activated receptor-alpha (PPAR-alpha) and PPAR-gamma-coactivator 1alpha (PGC1alpha) and repressed by upstream stimulatory factor-2 (USF-2).
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32 |
19233164
|
We therefore hypothesized that metoprolol represses CPT-1B by increasing USF-2-mediated repression of PGC1alpha.
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33 |
19233164
|
After termination, the expression of CPT-1 isoforms, PPAR-alpha, PGC1alpha USF-1 and USF-2, as well as downstream targets were measured.
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34 |
19233164
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Binding of PPAR-alpha, PGC1alpha and USF-2 to PGC1alpha was measured using coimmunoprecipitation.
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35 |
19233164
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The occupation of PPAR-alpha and MEF-2A consensus sites in the CPT-1B promoter was measured using chromatin immunoprecipitation assays.
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36 |
19233164
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The expression of USF-2 was increased by metoprolol in both control and diabetic hearts, but the association of USF-2 with PGC1alpha was increased by metoprolol only in diabetic hearts.
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37 |
19233164
|
Metoprolol prevented the increase in PGC1alpha occupation of the CPT-1B promoter region observed in the diabetic heart without affecting PPAR-alpha occupation.
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38 |
19233164
|
Metoprolol decreases CPT-1B expression by decreasing PGC1alpha-mediated coactivation of PPAR-alpha and MEF-2A.
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39 |
19233164
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This is associated with increased PGC1alpha/ USF-2 binding, suggesting that USF-2 mediates the metoprolol-induced repression of PGC1alpha.
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40 |
19233164
|
CPT-1B is induced by the transcription factors peroxisome proliferator activated receptor-alpha (PPAR-alpha) and PPAR-gamma-coactivator 1alpha (PGC1alpha) and repressed by upstream stimulatory factor-2 (USF-2).
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41 |
19233164
|
We therefore hypothesized that metoprolol represses CPT-1B by increasing USF-2-mediated repression of PGC1alpha.
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42 |
19233164
|
After termination, the expression of CPT-1 isoforms, PPAR-alpha, PGC1alpha USF-1 and USF-2, as well as downstream targets were measured.
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43 |
19233164
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Binding of PPAR-alpha, PGC1alpha and USF-2 to PGC1alpha was measured using coimmunoprecipitation.
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44 |
19233164
|
The occupation of PPAR-alpha and MEF-2A consensus sites in the CPT-1B promoter was measured using chromatin immunoprecipitation assays.
|
45 |
19233164
|
The expression of USF-2 was increased by metoprolol in both control and diabetic hearts, but the association of USF-2 with PGC1alpha was increased by metoprolol only in diabetic hearts.
|
46 |
19233164
|
Metoprolol prevented the increase in PGC1alpha occupation of the CPT-1B promoter region observed in the diabetic heart without affecting PPAR-alpha occupation.
|
47 |
19233164
|
Metoprolol decreases CPT-1B expression by decreasing PGC1alpha-mediated coactivation of PPAR-alpha and MEF-2A.
|
48 |
19233164
|
This is associated with increased PGC1alpha/ USF-2 binding, suggesting that USF-2 mediates the metoprolol-induced repression of PGC1alpha.
|
49 |
19233164
|
CPT-1B is induced by the transcription factors peroxisome proliferator activated receptor-alpha (PPAR-alpha) and PPAR-gamma-coactivator 1alpha (PGC1alpha) and repressed by upstream stimulatory factor-2 (USF-2).
|
50 |
19233164
|
We therefore hypothesized that metoprolol represses CPT-1B by increasing USF-2-mediated repression of PGC1alpha.
|
51 |
19233164
|
After termination, the expression of CPT-1 isoforms, PPAR-alpha, PGC1alpha USF-1 and USF-2, as well as downstream targets were measured.
|
52 |
19233164
|
Binding of PPAR-alpha, PGC1alpha and USF-2 to PGC1alpha was measured using coimmunoprecipitation.
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53 |
19233164
|
The occupation of PPAR-alpha and MEF-2A consensus sites in the CPT-1B promoter was measured using chromatin immunoprecipitation assays.
|
54 |
19233164
|
The expression of USF-2 was increased by metoprolol in both control and diabetic hearts, but the association of USF-2 with PGC1alpha was increased by metoprolol only in diabetic hearts.
|
55 |
19233164
|
Metoprolol prevented the increase in PGC1alpha occupation of the CPT-1B promoter region observed in the diabetic heart without affecting PPAR-alpha occupation.
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56 |
19233164
|
Metoprolol decreases CPT-1B expression by decreasing PGC1alpha-mediated coactivation of PPAR-alpha and MEF-2A.
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57 |
19233164
|
This is associated with increased PGC1alpha/ USF-2 binding, suggesting that USF-2 mediates the metoprolol-induced repression of PGC1alpha.
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58 |
20446238
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The related signals with PPARdelta, such as carnitine palmitoyltransferase 1B (CPT1B), acetyl-coenzyme A, carboxylase alpha (ACC1), fatty acid synthase (FAS), and troponin I, were also raised.
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59 |
20682693
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Increased reactive oxygen species production and lower abundance of complex I subunits and carnitine palmitoyltransferase 1B protein despite normal mitochondrial respiration in insulin-resistant human skeletal muscle.
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60 |
22229081
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METHODS: Insulin sensitivity and glucose tolerance were assessed in heterozygous CPT-1a deficient (CPT-1a+/-) male mice after being fed either a HCD or a HFD for durations of 28 weeks and 46 weeks.
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61 |
22229081
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RESULTS: CPT-1a+/- mice were more insulin sensitive than CPT-1a+/+ mice when fed either HCD or HFD.
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62 |
22229081
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The increased insulin sensitivity was associated with an increased expression of Cpt-1b (muscle isoform) in liver, as well as increased microvesicular hepatic steatosis compared to CPT-1a+/+ mice.
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63 |
22229081
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CONCLUSIONS: CPT-1a deficiency preserved insulin sensitivity when challenged by long term feeding of either diet.
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64 |
23566841
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Single nucleotide polymorphism in CPT1B and CPT2 genes and its association with blood carnitine levels in acute myocardial infarction patients.
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65 |
23566841
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We sequenced the coding regions of CPT1B and CPT2 genes to identify the single nucleotide polymorphism (SNP) in 23 AMI patients and 23 normal subjects.
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66 |
23566841
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The sequencing of coding regions revealed 4 novel variants in CPT1B gene (G320D, S427C, E531K, and A627E) and 2 variants in CPT2 gene (V368I and M647V).
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67 |
23566841
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Serum troponin T was significantly less in GG genotype of CPT1B variant S427C whereas the genotype AA of CPT2 variant V368I showed significantly higher serum troponin T levels.
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68 |
23566841
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Further studies on large number of patients are necessary to confirm the role of CPT1B and CPT2 polymorphism in AMI.
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69 |
23566841
|
Single nucleotide polymorphism in CPT1B and CPT2 genes and its association with blood carnitine levels in acute myocardial infarction patients.
|
70 |
23566841
|
We sequenced the coding regions of CPT1B and CPT2 genes to identify the single nucleotide polymorphism (SNP) in 23 AMI patients and 23 normal subjects.
|
71 |
23566841
|
The sequencing of coding regions revealed 4 novel variants in CPT1B gene (G320D, S427C, E531K, and A627E) and 2 variants in CPT2 gene (V368I and M647V).
|
72 |
23566841
|
Serum troponin T was significantly less in GG genotype of CPT1B variant S427C whereas the genotype AA of CPT2 variant V368I showed significantly higher serum troponin T levels.
|
73 |
23566841
|
Further studies on large number of patients are necessary to confirm the role of CPT1B and CPT2 polymorphism in AMI.
|
74 |
23566841
|
Single nucleotide polymorphism in CPT1B and CPT2 genes and its association with blood carnitine levels in acute myocardial infarction patients.
|
75 |
23566841
|
We sequenced the coding regions of CPT1B and CPT2 genes to identify the single nucleotide polymorphism (SNP) in 23 AMI patients and 23 normal subjects.
|
76 |
23566841
|
The sequencing of coding regions revealed 4 novel variants in CPT1B gene (G320D, S427C, E531K, and A627E) and 2 variants in CPT2 gene (V368I and M647V).
|
77 |
23566841
|
Serum troponin T was significantly less in GG genotype of CPT1B variant S427C whereas the genotype AA of CPT2 variant V368I showed significantly higher serum troponin T levels.
|
78 |
23566841
|
Further studies on large number of patients are necessary to confirm the role of CPT1B and CPT2 polymorphism in AMI.
|
79 |
23566841
|
Single nucleotide polymorphism in CPT1B and CPT2 genes and its association with blood carnitine levels in acute myocardial infarction patients.
|
80 |
23566841
|
We sequenced the coding regions of CPT1B and CPT2 genes to identify the single nucleotide polymorphism (SNP) in 23 AMI patients and 23 normal subjects.
|
81 |
23566841
|
The sequencing of coding regions revealed 4 novel variants in CPT1B gene (G320D, S427C, E531K, and A627E) and 2 variants in CPT2 gene (V368I and M647V).
|
82 |
23566841
|
Serum troponin T was significantly less in GG genotype of CPT1B variant S427C whereas the genotype AA of CPT2 variant V368I showed significantly higher serum troponin T levels.
|
83 |
23566841
|
Further studies on large number of patients are necessary to confirm the role of CPT1B and CPT2 polymorphism in AMI.
|
84 |
23566841
|
Single nucleotide polymorphism in CPT1B and CPT2 genes and its association with blood carnitine levels in acute myocardial infarction patients.
|
85 |
23566841
|
We sequenced the coding regions of CPT1B and CPT2 genes to identify the single nucleotide polymorphism (SNP) in 23 AMI patients and 23 normal subjects.
|
86 |
23566841
|
The sequencing of coding regions revealed 4 novel variants in CPT1B gene (G320D, S427C, E531K, and A627E) and 2 variants in CPT2 gene (V368I and M647V).
|
87 |
23566841
|
Serum troponin T was significantly less in GG genotype of CPT1B variant S427C whereas the genotype AA of CPT2 variant V368I showed significantly higher serum troponin T levels.
|
88 |
23566841
|
Further studies on large number of patients are necessary to confirm the role of CPT1B and CPT2 polymorphism in AMI.
|