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PMID |
Sentence |
1 |
35223886
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Since podocyte EGFR/STAT3 signaling is known to mediate the development of anti-GBM glomerulonephritis, we investigated the effect of glucocorticoids on EGFR/STAT3 signaling in podocytes.
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2 |
35223886
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We found that the levels of phosphorylated (activated) EGFR and STAT3 in podocytes were markedly elevated in anti-GBM patients without glucocorticoids treatment, but were normalized in patients with glucocorticoids treatment.
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3 |
35223886
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In a rat model of anti-GBM glomerulonephritis, glucocorticoids treatment significantly attenuated the proteinuria, crescent formation, parietal epithelial cell (PEC) activation and proliferation, accompanied by elimination of podocyte EGFR/STAT3 signaling activation.
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4 |
35223886
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In cultured podocytes, glucocorticoids were found to inhibit HB-EGF-induced EGFR and STAT3 activation.
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5 |
35223886
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Furthermore, we found that glucocorticoids can downregulate the expression of EGFR ligands, EGF and HB-EGF, while upregulate the expression of EGFR inhibitor, Gene 33, explaining how glucocorticoids suppress EGFR signaling.
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6 |
35223886
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Taken together, glucocorticoids exert therapeutic effect on anti-GBM crescentic glomerulonephritis through inhibiting podocyte EGFR/STAT3 signaling and the downstream pathway that leads to PEC proliferation and crescent formation.
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7 |
35216251
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During the different stages of kidney injury, MMP-10 may exert distinct functions by cleaving various bioactive substrates including heparin-binding epidermal growth factor (HB-EGF), zonula occludens-1 (ZO-1), and pro-MMP-1, -7, -8, -9, -10, -13.
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8 |
35216251
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Functionally, MMP-10 is reno-protective in AKI by promoting HB-EGF-mediated tubular repair and regeneration, whereas it aggravates podocyte dysfunction and proteinuria by disrupting glomerular filtration integrity via degrading ZO-1.
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9 |
34045875
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Epidermal Growth Factor Protects Against High Glucose-Induced Podocyte Injury Possibly via Modulation of Autophagy and PI3K/AKT/mTOR Signaling Pathway Through DNA Methylation.
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10 |
33910688
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Autoantibodies directed against the M-type phospholipase A2 receptor (PLA2R) and thrombospondin 1 domain-containing 7 A (THSD7A) can be used as diagnostic biomarkers.
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11 |
33910688
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Recently, further antigens like NELL-1 (neural tissue encoding protein with EGF-like repeats-1), exostosin 1 and 2 have been discovered.
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12 |
33760211
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Upregulation of miR‑126 inhibits podocyte injury in sepsis via EGFL6/DKC1 signaling pathway.
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13 |
33760211
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Bioinformatics analysis predicted that the target of miR‑126 was epidermal growth factor‑like domain multiple 6 (EGFL6) and dyskeratosis congenita 1 (DKC1) and these were confirmed by dual‑luciferase reporter assay. miR‑126 upregulation determined EGFL6 and DKC1 upregulation and prevented podocyte injury.
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14 |
33760211
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The current study demonstrated that overexpression of miR‑126 could protect podocytes from sepsis‑induced injury through an EGFL6/DKC1 signaling pathway.
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15 |
33719575
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Not only tdTomato+ podocytes but also EGFP+ podocytes were decreased in number and showed damage, as evidenced by a decrease in nephrin and an increase in desmin at both protein and RNA levels.
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16 |
33719575
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Transcriptomics analysis found a decrease in the glucocorticoid-induced transcript 1 gene and an increase in the thrombospondin 4, heparin-binding EGF-like growth factor, and transforming growth factor-β genes in EGFP+ podocytes; these genes may be candidate mediators of secondary podocyte damage.
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17 |
32509213
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Pofut1 gene encodes a O-fucosyltransferase that adds fucose to the serine/threonine residue in the sequence of C2XXXX(S/T)C3 of EGF-like domain in a protein.
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18 |
32509213
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Pofut1 gene encodes a O-fucosyltransferase that adds fucose to the serine/threonine residue in the sequence of C2XXXX(S/T)C3 of EGF-like domain in a protein.
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19 |
32509213
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O-fucosylation has been shown to be required for some EGF-like domain-containing proteins to function, e.g., Notch1, and POFUT1 deficiency could affect cellular function and cause diseases.
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20 |
32509213
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O-fucosylation has been shown to be required for some EGF-like domain-containing proteins to function, e.g., Notch1, and POFUT1 deficiency could affect cellular function and cause diseases.
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21 |
32509213
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To understand why POFUT1 is dispensable for podocytes, we searched mouse podocyte essential gene candidates (as determined by single-cell RNA-seq) and found only two POFUT1 substrates, NOTCH2 and tPA.
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22 |
32509213
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To understand why POFUT1 is dispensable for podocytes, we searched mouse podocyte essential gene candidates (as determined by single-cell RNA-seq) and found only two POFUT1 substrates, NOTCH2 and tPA.
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23 |
32238860
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PLCE1 encodes phospholipase C epsilon, and its mutations cause recessive nephrotic syndrome.
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24 |
32238860
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PLCE1 colocalized with Rho GTPases in glomeruli.
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25 |
32238860
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Knockdown or knockout of PLCE1 in podocytes resulted in decreased levels of GTP-bound Rac1 and Cdc42, but not those of RhoA, and caused a reduction in cell migration.
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26 |
32238860
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Similar to the PLCE1 knockout, NCK2 knockout resulted in decreased podocyte migration.
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27 |
32238860
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Knockout of PLCE1 reduced the EGF-induced activation of ERK and cell proliferation in podocytes, whereas knockout of NCK2 did not affect proliferation.
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28 |
32238860
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Further, the knockout of PLCE1 also resulted in decreased expression of podocyte markers, including NEPH1, NPHS1, WT1, and SYNPO, upon differentiation, but the knockout of NCK2 did not affect the expression of these markers.
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29 |
32238860
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Therefore, our findings demonstrate that PLCE1 regulates Rho GTPase activity and cell migration through interacting with NCK2 and that PLCE1 also plays a role in the proliferation and differentiation of podocytes, regardless of the presence of NCK2.
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30 |
31984788
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CD148 is a transmembrane protein tyrosine phosphatase (PTP) that is expressed in the renal vasculature, including the glomerulus.
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31 |
31984788
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Previous studies have shown that CD148 plays a role in the negative regulation of growth factor signals (including epidermal growth factor and vascular endothelial growth factor), suppressing cell proliferation and transformation.
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32 |
31984788
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The mAbs that increased CD148 activity were selected by biological (proliferation) and biochemical (PTP activity) assays.
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33 |
31664084
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Our previous finding revealed that wild type ACTN4 can be phosphorylated at tyrosine 4 and 31 upon stimulation by epidermal growth factor (EGF) to reduce the binding to actin cytoskeleton.
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34 |
31664084
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Our previous finding revealed that wild type ACTN4 can be phosphorylated at tyrosine 4 and 31 upon stimulation by epidermal growth factor (EGF) to reduce the binding to actin cytoskeleton.
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35 |
31664084
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Our previous finding revealed that wild type ACTN4 can be phosphorylated at tyrosine 4 and 31 upon stimulation by epidermal growth factor (EGF) to reduce the binding to actin cytoskeleton.
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36 |
31664084
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We queried whether the elevated actin binding activity of FSGS mutants can be downregulated by EGF-mediated phosphorylation, to discern a mechanism by which the actin-cytoskeleton can be released in FSGS.
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37 |
31664084
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We queried whether the elevated actin binding activity of FSGS mutants can be downregulated by EGF-mediated phosphorylation, to discern a mechanism by which the actin-cytoskeleton can be released in FSGS.
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38 |
31664084
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We queried whether the elevated actin binding activity of FSGS mutants can be downregulated by EGF-mediated phosphorylation, to discern a mechanism by which the actin-cytoskeleton can be released in FSGS.
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39 |
31664084
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That the tyrosine kinase regulation of FSGS mutation binding to actin filaments can occur in cells was shown by phosphorylation on Y4 and Y31 of the K225E after extended exposure of cells to EGF, with a decrease in ACTN4 aggregates in fibroblasts.
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40 |
31664084
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That the tyrosine kinase regulation of FSGS mutation binding to actin filaments can occur in cells was shown by phosphorylation on Y4 and Y31 of the K225E after extended exposure of cells to EGF, with a decrease in ACTN4 aggregates in fibroblasts.
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41 |
31664084
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That the tyrosine kinase regulation of FSGS mutation binding to actin filaments can occur in cells was shown by phosphorylation on Y4 and Y31 of the K225E after extended exposure of cells to EGF, with a decrease in ACTN4 aggregates in fibroblasts.
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42 |
31292196
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The Role of the EGF Receptor in Sex Differences in Kidney Injury.
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43 |
30099615
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Mutations in nephrin (NPHS1), podocin (NPHS2), laminin β2 (LAMB2), and α-actinin-4 (ACTN4) have been shown to induce ER stress in HEK293 cells and podocytes in hereditary nephrotic syndromes; various founder mutations in collagen IV α chains (COL4A) have been demonstrated to activate podocyte ER stress in collagen IV nephropathies; and mutations in uromodulin (UMOD) have been reported to trigger tubular ER stress in autosomal dominant tubulointerstitial kidney disease.
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44 |
30099615
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Recently, we have identified mesencephalic astrocyte-derived neurotrophic factor (MANF) and cysteine-rich with EGF-like domains 2 (CRELD2) as urinary ER stress biomarkers in ER stress-mediated kidney diseases.
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45 |
29959129
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Inhibition of Epidermal Growth Factor Receptor Activation Is Associated With Improved Diabetic Nephropathy and Insulin Resistance in Type 2 Diabetes.
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46 |
29959129
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Previous studies by us and others have indicated that renal epidermal growth factor receptors (EGFR) are activated in models of diabetic nephropathy (DN) and that inhibition of EGFR activity protects against progressive DN in type 1 diabetes.
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47 |
29959129
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In this study we examined whether inhibition of EGFR activation would affect the development of DN in a mouse model of accelerated type 2 diabetes (BKS db/db with endothelial nitric oxide knockout [eNOS-/-db/db]). eNOS-/-db/db mice received vehicle or erlotinib, an inhibitor of EGFR tyrosine kinase activity, beginning at 8 weeks of age and were sacrificed at 20 weeks of age.
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48 |
29959129
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In addition, genetic models inhibiting EGFR activity (waved 2) and transforming growth factor-α (waved 1) were studied in this model of DN in type 2 diabetes.
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49 |
29959129
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Erlotinib treatment also preserved pancreas function, and these mice had higher blood insulin levels at 20 weeks, decreased basal blood glucose levels, increased glucose tolerance and insulin sensitivity, and increased blood levels of adiponectin compared with vehicle-treated mice.
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50 |
29636387
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Results We identified an orphan GPCR, Gprc5a, as a highly podocyte-specific gene, the expression of which was significantly downregulated in glomeruli of patients with DN compared with those without DN.
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51 |
29636387
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Mechanistically, Gprc5a modulated TGF-β signaling and activation of the EGF receptor in cultured podocytes.
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52 |
29549365
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FYVE domain-containing protein ZFYVE28 regulates EGFR-signaling in podocytes but is not critical for the function of filtration barrier in mice.
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53 |
29549365
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FYVE domain-containing protein ZFYVE28 regulates EGFR-signaling in podocytes but is not critical for the function of filtration barrier in mice.
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54 |
29549365
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In cultured podocytes, we show that overexpression of ZFYVE28 promotes EGF-signaling, possibly by up-regulating EGFR expression and by modulating its localization.
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55 |
29549365
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In cultured podocytes, we show that overexpression of ZFYVE28 promotes EGF-signaling, possibly by up-regulating EGFR expression and by modulating its localization.
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56 |
29549365
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Taken together, we have identified Zfyve28 as a new molecular component of podocyte foot processes and show that it mediates EGF-signaling in podocytes.
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57 |
29549365
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Taken together, we have identified Zfyve28 as a new molecular component of podocyte foot processes and show that it mediates EGF-signaling in podocytes.
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58 |
29212948
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Cysteine-rich with EGF-like domains 2 (CRELD2) is a newly identified protein that is induced and secreted under ER stress.
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59 |
29058690
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Advillin acts upstream of phospholipase C ϵ1 in steroid-resistant nephrotic syndrome.
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60 |
29058690
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Advillin acts upstream of phospholipase C ϵ1 in steroid-resistant nephrotic syndrome.
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61 |
29058690
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Additionally, AVIL colocalized and interacted with the phospholipase enzyme PLCE1 and with the ARP2/3 actin-modulating complex.
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62 |
29058690
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Additionally, AVIL colocalized and interacted with the phospholipase enzyme PLCE1 and with the ARP2/3 actin-modulating complex.
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63 |
29058690
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Knockdown of AVIL in human podocytes reduced actin stress fibers at the cell periphery, prevented recruitment of PLCE1 to the ARP3-rich lamellipodia, blocked EGF-induced generation of diacylglycerol (DAG) by PLCE1, and attenuated the podocyte migration rate (PMR).
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64 |
29058690
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Knockdown of AVIL in human podocytes reduced actin stress fibers at the cell periphery, prevented recruitment of PLCE1 to the ARP3-rich lamellipodia, blocked EGF-induced generation of diacylglycerol (DAG) by PLCE1, and attenuated the podocyte migration rate (PMR).
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65 |
29058690
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The PMR was increased by overexpression of WT Avil or PLCE1, or by EGF stimulation; however, this increased PMR was ameliorated by inhibition of the ARP2/3 complex, indicating that ARP-dependent lamellipodia formation occurs downstream of AVIL and PLCE1 function.
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66 |
29058690
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The PMR was increased by overexpression of WT Avil or PLCE1, or by EGF stimulation; however, this increased PMR was ameliorated by inhibition of the ARP2/3 complex, indicating that ARP-dependent lamellipodia formation occurs downstream of AVIL and PLCE1 function.
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67 |
29058690
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Together, these results delineate a comprehensive pathogenic axis of SRNS that integrates loss of AVIL function with alterations in the action of PLCE1, an established SRNS protein.
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68 |
29058690
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Together, these results delineate a comprehensive pathogenic axis of SRNS that integrates loss of AVIL function with alterations in the action of PLCE1, an established SRNS protein.
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69 |
28852936
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Subsequently, thus-obtained Osr1+ cells were induced further with activin-A (10 ng/ml), RA (10 ng/ml), BMP-7 (2.5 ng/ml), EGF (30 ng/ml) and bFGF (30 ng/ml) for 9 days.
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70 |
28852936
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Consequently, differentiated cells were immunopositive for anti-podocin, anti-synaptopodin and anti-GLEPP1 monoclonal antibodies.
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71 |
28852936
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These cells showed expression of early podocyte markers PAX2 and Wt1 at day 3 followed by day 6 and mature podocyte markers NPHS1, SULT1B1, NPHS2 and Synaptopodin at day 9.
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72 |
27226110
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Specific endothelial heparin-binding EGF-like growth factor deletion ameliorates renal injury induced by chronic angiotensin II infusion.
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73 |
27226110
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Specific endothelial heparin-binding EGF-like growth factor deletion ameliorates renal injury induced by chronic angiotensin II infusion.
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74 |
27226110
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Specific endothelial heparin-binding EGF-like growth factor deletion ameliorates renal injury induced by chronic angiotensin II infusion.
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75 |
27226110
|
Transactivation of EGF receptor (EGFR) by angiotensin II (Ang II) plays important roles in the initiation and progression of chronic kidney diseases.
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76 |
27226110
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Transactivation of EGF receptor (EGFR) by angiotensin II (Ang II) plays important roles in the initiation and progression of chronic kidney diseases.
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77 |
27226110
|
Transactivation of EGF receptor (EGFR) by angiotensin II (Ang II) plays important roles in the initiation and progression of chronic kidney diseases.
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78 |
27226110
|
Studies suggest that heparin-binding EGF-like factor (HB-EGF) may be a critical mediator in this process, but its role in vivo has not been investigated.
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79 |
27226110
|
Studies suggest that heparin-binding EGF-like factor (HB-EGF) may be a critical mediator in this process, but its role in vivo has not been investigated.
|
80 |
27226110
|
Studies suggest that heparin-binding EGF-like factor (HB-EGF) may be a critical mediator in this process, but its role in vivo has not been investigated.
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81 |
27226110
|
In the current study, we found that in response to Ang II infusion, kidneys from endothelial HB-EGF deletion mice had significantly reduced EGFR activation compared with controls.
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82 |
27226110
|
In the current study, we found that in response to Ang II infusion, kidneys from endothelial HB-EGF deletion mice had significantly reduced EGFR activation compared with controls.
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83 |
27226110
|
In the current study, we found that in response to Ang II infusion, kidneys from endothelial HB-EGF deletion mice had significantly reduced EGFR activation compared with controls.
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84 |
27226110
|
Meanwhile, deletion of endothelial HB-EGF expression decreased Ang II infusion related renal injury, as demonstrated by 1) less albuminuria; 2) less glomerulosclerosis; 3) preserved endothelial integrity and decreased podocyte injury, as shown by greater glomerular tuft area and WT1-positive cells, and fewer apoptotic cells measured by cleaved caspase 3 staining; 4) reduced inflammation in the perivascular area and interstitium measured by F4/80 and CD3 immunostaining; and 5) reduced renal fibrosis.
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85 |
27226110
|
Meanwhile, deletion of endothelial HB-EGF expression decreased Ang II infusion related renal injury, as demonstrated by 1) less albuminuria; 2) less glomerulosclerosis; 3) preserved endothelial integrity and decreased podocyte injury, as shown by greater glomerular tuft area and WT1-positive cells, and fewer apoptotic cells measured by cleaved caspase 3 staining; 4) reduced inflammation in the perivascular area and interstitium measured by F4/80 and CD3 immunostaining; and 5) reduced renal fibrosis.
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86 |
27226110
|
Meanwhile, deletion of endothelial HB-EGF expression decreased Ang II infusion related renal injury, as demonstrated by 1) less albuminuria; 2) less glomerulosclerosis; 3) preserved endothelial integrity and decreased podocyte injury, as shown by greater glomerular tuft area and WT1-positive cells, and fewer apoptotic cells measured by cleaved caspase 3 staining; 4) reduced inflammation in the perivascular area and interstitium measured by F4/80 and CD3 immunostaining; and 5) reduced renal fibrosis.
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87 |
27226110
|
In conclusion, our results suggest that shedding of HB-EGF from endothelium plays an important role in Ang II-induced renal injury by linking Ang II-AT1R with EGFR transactivation.
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88 |
27226110
|
In conclusion, our results suggest that shedding of HB-EGF from endothelium plays an important role in Ang II-induced renal injury by linking Ang II-AT1R with EGFR transactivation.
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89 |
27226110
|
In conclusion, our results suggest that shedding of HB-EGF from endothelium plays an important role in Ang II-induced renal injury by linking Ang II-AT1R with EGFR transactivation.
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90 |
26863327
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VEGF, ANGPT, EGF, SEMA3A, TGF-β, and CXCL12 signal in paracrine fashions between the podocytes, endothelium, and mesangium associated with the glomerular capillary bed to maintain filtration barrier function.
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91 |
25185988
|
EGF receptor deletion in podocytes attenuates diabetic nephropathy.
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92 |
25185988
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EGF receptor deletion in podocytes attenuates diabetic nephropathy.
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93 |
25185988
|
In streptozotocin-induced type 1 diabetes, podocyte-specific EGF receptor (EGFR) knockout mice (EGFR(podKO)) and their wild-type (WT) littermates had similar levels of hyperglycemia and polyuria, but EGFR(podKO) mice had significantly less albuminuria and less podocyte loss compared with WT diabetic mice.
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94 |
25185988
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In streptozotocin-induced type 1 diabetes, podocyte-specific EGF receptor (EGFR) knockout mice (EGFR(podKO)) and their wild-type (WT) littermates had similar levels of hyperglycemia and polyuria, but EGFR(podKO) mice had significantly less albuminuria and less podocyte loss compared with WT diabetic mice.
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95 |
25185988
|
Immunoblotting of isolated glomerular lysates revealed that the upregulation of cleaved caspase 3 and downregulation of Bcl2 in WT diabetic mice were attenuated in EGFR(podKO) diabetic mice.
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96 |
25185988
|
Immunoblotting of isolated glomerular lysates revealed that the upregulation of cleaved caspase 3 and downregulation of Bcl2 in WT diabetic mice were attenuated in EGFR(podKO) diabetic mice.
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97 |
25185988
|
Administration of the SOD mimetic mito-tempol or the NADPH oxidase inhibitor apocynin attenuated the upregulation of p-c-Src, p-EGFR, p-ERK1/2, p-Smad2/3, and TGF-β1 expression and prevented the alteration of cleaved caspase 3 and Bcl2 expression in glomeruli of WT diabetic mice.
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98 |
25185988
|
Administration of the SOD mimetic mito-tempol or the NADPH oxidase inhibitor apocynin attenuated the upregulation of p-c-Src, p-EGFR, p-ERK1/2, p-Smad2/3, and TGF-β1 expression and prevented the alteration of cleaved caspase 3 and Bcl2 expression in glomeruli of WT diabetic mice.
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99 |
25185988
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High-glucose treatment of cultured mouse podocytes induced similar alterations in the production of ROS; phosphorylation of c-Src, EGFR, and Smad2/3; and expression of TGF-β1, cleaved caspase 3, and Bcl2.
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100 |
25185988
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High-glucose treatment of cultured mouse podocytes induced similar alterations in the production of ROS; phosphorylation of c-Src, EGFR, and Smad2/3; and expression of TGF-β1, cleaved caspase 3, and Bcl2.
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101 |
24367525
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We observed that the angiopoietin system was activated after uninephrectomy, and that the blockade of angiopoietin 1 or 2 decreased the activation of the angiopoietin receptor--tyrosine kinase with Ig and EGF homology domains-2--and attenuated the development of glomerular and podocyte hypertrophy.
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102 |
23942551
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Inhibition of Src kinase blocks high glucose-induced EGFR transactivation and collagen synthesis in mesangial cells and prevents diabetic nephropathy in mice.
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103 |
23942551
|
High glucose stimulated Src, TACE, epidermal growth factor receptor (EGFR), mitogen-activated protein kinases (MAPKs), extracellular signal-regulated kinase (ERK1/2, p38), and collagen IV accumulation in mesangial cells.
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104 |
23942551
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PP2 and SU6656 blocked high glucose-stimulated phosphorylation of Src Tyr-416, EGFR, and MAPKs.
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105 |
23942551
|
These inhibitors and Src knockdown by siRNA, as well as TAPI-2, also abrogated high glucose-induced phosphorylation of these targets and collagen IV accumulation.
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106 |
23942551
|
In STZ-diabetic mice, albuminuria, increased Src pTyr-416, TACE activation, ERK and EGFR phosphorylation, glomerular collagen accumulation, and podocyte loss were inhibited by PP2.
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107 |
23942551
|
These data indicate a role for Src in a high glucose-Src-TACE-heparin-binding epidermal growth factor-EGFR-MAPK-signaling pathway to collagen accumulation.
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108 |
23760291
|
Low nitric oxide bioavailability upregulates renal heparin binding EGF-like growth factor expression.
|
109 |
23760291
|
Low nitric oxide bioavailability upregulates renal heparin binding EGF-like growth factor expression.
|
110 |
23760291
|
Here, we found that heparin-binding epidermal growth factor-like growth factor (HB-EGF) expression levels increased in the kidneys of both endothelial nitric oxide synthase (eNOS)-knockout and eNOS-knockout diabetic (Lepr(db/db)) mice as early as at 8 weeks of age.
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111 |
23760291
|
Here, we found that heparin-binding epidermal growth factor-like growth factor (HB-EGF) expression levels increased in the kidneys of both endothelial nitric oxide synthase (eNOS)-knockout and eNOS-knockout diabetic (Lepr(db/db)) mice as early as at 8 weeks of age.
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112 |
23760291
|
In cultured glomerular endothelial cells, the nitric oxide synthase inhibitors NG-nitro-L-arginine methyl ester (L-NAME) or L-N5-(1-iminoethyl) ornithine increased HB-EGF protein expression.
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113 |
23760291
|
In cultured glomerular endothelial cells, the nitric oxide synthase inhibitors NG-nitro-L-arginine methyl ester (L-NAME) or L-N5-(1-iminoethyl) ornithine increased HB-EGF protein expression.
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114 |
23760291
|
On the other hand, replenishing nitric oxide with sodium nitrate in eNOS-knockout diabetic mice reduced urinary HB-EGF excretion and inhibited the progression of diabetic nephropathy.
|
115 |
23760291
|
On the other hand, replenishing nitric oxide with sodium nitrate in eNOS-knockout diabetic mice reduced urinary HB-EGF excretion and inhibited the progression of diabetic nephropathy.
|
116 |
23760291
|
Furthermore, specific deletion of HB-EGF expression in the endothelium attenuated renal injury in diabetic eNOS-knockout mice.
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117 |
23760291
|
Furthermore, specific deletion of HB-EGF expression in the endothelium attenuated renal injury in diabetic eNOS-knockout mice.
|
118 |
23760291
|
Thus, our results suggest that decreased nitric oxide bioavailability leads to increased HB-EGF expression, which may be an important mediator of the resulting progressive diabetic nephropathy in eNOS-knockout diabetic mice.
|
119 |
23760291
|
Thus, our results suggest that decreased nitric oxide bioavailability leads to increased HB-EGF expression, which may be an important mediator of the resulting progressive diabetic nephropathy in eNOS-knockout diabetic mice.
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120 |
23645677
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Gain-of-function mutations in transient receptor potential C6 (TRPC6) activate extracellular signal-regulated kinases 1/2 (ERK1/2).
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121 |
23645677
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The ERK1/2 MAPKs are activated in glomeruli and podocytes in several proteinuric disease models.
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122 |
23645677
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In 293T cells and cultured podocytes, overexpression of gain-of-function TRPC6 mutants resulted in increased ERK1/2 phosphorylation, an effect dependent upon channel function.
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123 |
23645677
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Through medium transfer experiments, we uncovered two distinct mechanisms for ERK activation by mutant TRPC6, a cell-autonomous, EGF receptor-independent mechanism and a non-cell-autonomous mechanism involving metalloprotease-mediated release of a presumed EGF receptor ligand.
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124 |
23645677
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Phosphorylation of Thr-70, Ser-282, and Tyr-31/285 were not necessary for ERK activation by mutant TRPC6, although a phosphomimetic TRPC6 S282E mutant was capable of ERK activation.
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125 |
23645677
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Taken together, these results identify two pathways downstream of mutant TRPC6 leading to ERK activation that may play a role in the development of FSGS.
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126 |
22467748
|
De novo expression of heparin-binding epidermal growth factor-like growth factor (HB-EGF) in glomerular epithelial cells is found specifically in human glomerulonephritis with proliferation of these cells and dedifferentiation of podocytes.
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127 |
22467748
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De novo expression of heparin-binding epidermal growth factor-like growth factor (HB-EGF) in glomerular epithelial cells is found specifically in human glomerulonephritis with proliferation of these cells and dedifferentiation of podocytes.
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128 |
22467748
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A receptor for HB-EGF, the EGF receptor (EGFR), is expressed by parietal epithelial cells and podocytes.
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129 |
22467748
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A receptor for HB-EGF, the EGF receptor (EGFR), is expressed by parietal epithelial cells and podocytes.
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130 |
22467748
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Furthermore, in a mouse model of RPGN, HB-EGF deficiency or conditional targeting of the Egfr alleles in podocytes markedly alleviated RPGN, renal failure and death.
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131 |
22467748
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Furthermore, in a mouse model of RPGN, HB-EGF deficiency or conditional targeting of the Egfr alleles in podocytes markedly alleviated RPGN, renal failure and death.
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132 |
22467748
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This indicates that the HB-EGF/EGFR pathway plays a pivotal role in RPGN and opens therapeutic perspectives as EGFR inhibitors are clinically available.
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133 |
22467748
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This indicates that the HB-EGF/EGFR pathway plays a pivotal role in RPGN and opens therapeutic perspectives as EGFR inhibitors are clinically available.
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134 |
22319602
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Heparin binding epidermal growth factor (HBEGF) is expressed in podocytes and was shown to play a role in glomerular physiology.
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135 |
21946538
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We show de novo induction of heparin-binding epidermal growth factor-like growth factor (HB-EGF) in intrinsic glomerular epithelial cells (podocytes) from both mice and humans with RPGN.
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136 |
21946538
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HB-EGF induction increases phosphorylation of the epidermal growth factor receptor (EGFR, also known as ErbB1) in mice with RPGN.
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137 |
20362052
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AKT inhibition by PGE(2) was reversed following either siRNA-mediated EP(4) knockdown, PKA inhibition (H89), or phosphatase inhibition (orthovanadate).
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138 |
20362052
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Podocytes treated for 20min with H(2)O(2) (10(-4)M), which mimics reactive oxygen species generation by cells challenged by hyperglycemic or enhanced Pgc conditions, significantly increased the levels of active p38 MAPK, AKT, JNK and ERK1/2.
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139 |
20362052
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Interestingly, stretch and PGE(2) each significantly reduced H(2)O(2)-mediated AKT phosphorylation and was reversed by pretreatment with orthovanadate while stretch alone reduced GSK-3beta inhibitory phosphorylation at ser-9.
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140 |
20362052
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Finally, mechanical stretch alone or in combination with HG, induced ERK1/2 and JNK activation, via the EGF receptor since AG1478, a specific EGF receptor kinase inhibitor, blocked this activation.
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141 |
20362052
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These changes in MAPKs and AKT activities might impact cellular integrity required for a functional glomerular filtration barrier thereby contributing to the onset of proteinuria in DN.
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142 |
20031026
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This study demonstrates that the expression of the mesenchymal markers CD29 and CD44, the epithelial markers CD51 and ZO-1 and the podocyte markers CD2AP and NPHS2 can be induced in these cells via incubation with epidermal growth factor/platelet-derived growth factor BB and fibroblast growth factor 4/hepatocyte growth factor, respectively.
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143 |
19116644
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Green fluorescent protein (GFP)-tagged palladin was found in dynamic ring-like F-actin structures and ruffles in cultured podocytes after stimulation with epidermal growth factor.
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144 |
17660022
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Angiogenesis inhibitors that target the epidermal growth factor (EGF) receptor (EGFR) and vascular endothelial growth factor (VEGF) constitute an important addition to the therapeutic armamentarium for the treatment of patients with metastatic disease.
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145 |
16938652
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At 4 days, the cells altered their phenotype, as shown by a change in shape, an increase in intracellular staining for alpha-smooth muscle actin (alpha-SMA), a decrease in membrane staining for cytokeratin, and an increase in matrix deposition.
|
146 |
16938652
|
At 4 days, the cells altered their phenotype, as shown by a change in shape, an increase in intracellular staining for alpha-smooth muscle actin (alpha-SMA), a decrease in membrane staining for cytokeratin, and an increase in matrix deposition.
|
147 |
16938652
|
At 4 days, the cells altered their phenotype, as shown by a change in shape, an increase in intracellular staining for alpha-smooth muscle actin (alpha-SMA), a decrease in membrane staining for cytokeratin, and an increase in matrix deposition.
|
148 |
16938652
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Changing the medium after 4 days by excluding TGF-beta(1) and adding fetal bovine serum (FBS) [as a source of epidermal growth factor (EGF) and other growth factors] caused the cells to revert to their original epithelial phenotype.
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149 |
16938652
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Changing the medium after 4 days by excluding TGF-beta(1) and adding fetal bovine serum (FBS) [as a source of epidermal growth factor (EGF) and other growth factors] caused the cells to revert to their original epithelial phenotype.
|
150 |
16938652
|
Changing the medium after 4 days by excluding TGF-beta(1) and adding fetal bovine serum (FBS) [as a source of epidermal growth factor (EGF) and other growth factors] caused the cells to revert to their original epithelial phenotype.
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151 |
16938652
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Staining the cells for expression of EGF receptor before and after exposure to TGF-beta(1) caused this receptor, originally present on the plasma membrane, to become partly intracellular after 4 days of TGF-beta(1) exposure and completely intracellular after 8 days of TGF-beta(1) exposure.
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152 |
16938652
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Staining the cells for expression of EGF receptor before and after exposure to TGF-beta(1) caused this receptor, originally present on the plasma membrane, to become partly intracellular after 4 days of TGF-beta(1) exposure and completely intracellular after 8 days of TGF-beta(1) exposure.
|
153 |
16938652
|
Staining the cells for expression of EGF receptor before and after exposure to TGF-beta(1) caused this receptor, originally present on the plasma membrane, to become partly intracellular after 4 days of TGF-beta(1) exposure and completely intracellular after 8 days of TGF-beta(1) exposure.
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154 |
16938652
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It seems that TGF-beta(1) exposure progressively downregulates the EGF receptor on the membrane, rendering the cell refractory to EGF signals critical for maintaining the epithelial phenotype.
|
155 |
16938652
|
It seems that TGF-beta(1) exposure progressively downregulates the EGF receptor on the membrane, rendering the cell refractory to EGF signals critical for maintaining the epithelial phenotype.
|
156 |
16938652
|
It seems that TGF-beta(1) exposure progressively downregulates the EGF receptor on the membrane, rendering the cell refractory to EGF signals critical for maintaining the epithelial phenotype.
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157 |
15213232
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A novel role for the adaptor molecule CD2-associated protein in transforming growth factor-beta-induced apoptosis.
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158 |
15213232
|
CD2-associated protein (CD2AP) is an adaptor molecule involved in T cell receptor signaling and podocyte homeostasis.
|
159 |
15213232
|
Here we report that increased transforming growth factor-beta1 (TGF-beta1) expression and apoptosis were present in podocytes at the onset of albuminuria and were followed by depletion of podocytes associated with progressive focal-segmental glomerulosclerosis in CD2AP-/- mice.
|
160 |
15213232
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Conditionally immortalized podocytes derived from CD2AP-/- mice were more susceptible to TGF-beta-induced apoptosis compared with CD2AP+/+ podocytes.
|
161 |
15213232
|
Reconstitution of CD2AP rescued CD2AP-/- podocytes from TGF-beta-induced apoptosis.
|
162 |
15213232
|
CD2AP was required for early activation of anti-apoptotic phosphatidylinositol 3-kinase (PI3K)/AKT and extracellular signal-regulated kinase 1/2 by TGF-beta.
|
163 |
15213232
|
In contrast, activation of pro-apoptotic p38 MAPK by TGF-beta was accelerated and enhanced in the absence of CD2AP.
|
164 |
15213232
|
CD2AP was not required for PI3K/AKT activation by insulin and epidermal growth factor, indicating that CD2AP is a selective mediator of anti-apoptotic TGF-beta signaling.
|
165 |
15213232
|
In summary, we identified CD2AP as a novel mediator for selective activation of survival pathways and repression of apoptosis signaling by TGF-beta in podocytes.
|
166 |
15213232
|
Together, our in vitro and in vivo findings suggest that TGF-beta-induced podocyte apoptosis is an early pathomechanism in mice developing focal-segmental glomerulosclerosis associated with functional impairment of CD2AP.
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167 |
10972674
|
Inhibition of heparin-binding epidermal growth factor-like growth factor increases albuminuria in puromycin aminonucleoside nephrosis.
|