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PMID |
Sentence |
1 |
22038228
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The aim of the present work was to analyze the possible relation between VEGF-C and VEGF receptor (VEGFR)-2 expressions at electron microscopy level in different INS cases.
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2 |
11261688
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Ang-2 destabilises capillary integrity, facilitating sprouting when ambient vascular endothelial growth factor (VEGF) levels are high, but causing vessel regression when VEGF levels are low.
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3 |
12617854
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To examine whether semaphorins could modulate VEGF endothelial cell guidance cues in the developing kidney, we studied the expression of semaphorin 3A and semaphorin 3F and their receptors NP-1 and NP-2 in the kidney during ontogeny using Northern blot analysis, in situ hybridization, Western blot analysis and immunohistochemistry.
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4 |
12660327
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Because VEGF is highly expressed by metanephric podocytes and collecting ducts, developing mouse kidney was examined for the presence and distribution of HIF-1alpha, HIF-2alpha, and HIF-1beta.
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5 |
15339792
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We therefore investigated whether VEGF signals to reduce apoptosis and the role of nephrin in this survival mechanism.
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6 |
15339792
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Although VEGF reduced apoptosis in human conditionally immortalized podocytes [wild-type (WT)] by 18.1% of control (P < 0.001), it was unable to do so in nephrin-deficient human conditionally immortalized podocytes.
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7 |
15339792
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Moreover, Western blotting and immunodetection with an anti-nephrin antibody showed that the phosphorylation of nephrin, compared with serum-starved WTs, was significantly increased (ratio of 3.36 +/- 1.2 to control, P < 0.05) by VEGF treatment and significantly reduced by treatment with a neutralizing VEGF monoclonal antibody (mAb) (ratio of 0.2 +/- 0.09 to control, P < 0.05).
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8 |
15339792
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We suggest therefore that both exogenous and endogenous (podocyte derived) VEGF can stimulate the phosphorylation of nephrin and through this action may prevent podocyte apoptosis.
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9 |
15840669
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Podocyte expression of alpha3(IV) collagen may involve the transforming growth factor-beta (TGF-beta) and vascular endothelial growth factor (VEGF) systems.
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10 |
15840669
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Cultured mouse podocytes were treated with various doses of AngII for selected periods of time, with or without inhibitors of TGF-beta and VEGF signalling, SB-431542 and SU5416, respectively.
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11 |
15840669
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Blockade of the endogenous VEGF activity by SU5416 prevented AngII-stimulated alpha3(IV) collagen production.
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12 |
16060125
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Enhanced circulating endothelial cells, elevated transforming growth factor beta, and depleted vascular endothelial growth factor were observed in nephrosis associated with focal segmental glomerulosclerosis (FSGS).
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13 |
16239266
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The VEGF-induced elevation of LpA/Vi was blocked by the selective VEGF-R2 inhibitor ZM323881.
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14 |
16374431
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The HIF-target gene VEGF colocalized with HIF-1alpha protein in glomeruli and medullary collecting ducts.
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15 |
16436677
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A growing body of observations, including the side effects of anti-VEGF therapies as well as the role of soluble VEGFR1 in preeclampsia, points to an important role for VEGF in maintenance of stable blood vessels.
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16 |
16436677
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Additionally, VEGFR2 was constitutively phosphorylated in the liver, lung, adipose, and kidney in vivo, providing evidence consistent with a role for VEGF in adult tissues.
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17 |
17059890
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Podocalyxin expression in leukemic blasts was coupled with the concomitant expression of VEGF-R1, -R2, -R3 and Tie-2, the capacity to release VEGF-A and angiopoietin1 and the ability to differentiate into endothelial cells under appropriate culture conditions.
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18 |
17554151
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For elucidation of the pathologic consequences of high levels of VEGF in glomeruli, transgenic (Tg) rabbits that express human VEGF(165) isoform in both kidney and liver under the control of the human alpha-1-antitrypsin promoter were generated and characterized.
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19 |
17457373
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In the puromycin and the combined models, changes in GLEPP1 expression were corticosteroid-sensitive, whereas B7.1, WT1, vascular endothelial growth factor, and most slit diaphragm genes involved later in the combined model, except podocin, were corticosteroid-resistant.
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17667850
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PAN mice also had significantly decreased Flk-1 and Tie2 mRNA expression and increased angiopoitein-1 (Ang-1) expression, without change in vascular endothelial growth factor (VEGF) at 2 dpp versus NS.
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21 |
17715266
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Immunohistochemistry and real-time RT-PCR studies also indicated that 5-HT stimulated expression of vascular endothelial growth factor in podocytes in vitro and in vivo.
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22 |
18249526
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Additional studies revealed that SEMA3A effects on ureteric bud branching involve downregulation of glial cell-line derived neurotrophic factor (GDNF) signaling, competition with vascular endothelial growth factor A (VEGF-A) and decreased activity of Akt survival pathways.
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23 |
18287402
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Moreover, VEGF blockade induced ET-1 release from endothelial cells, and in turn the conditioned medium obtained triggered nephrin loss.
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24 |
19129259
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In systemic endothelial fenestrations, the intracellular pathways through which VEGF acts to induce fenestrations include a key role for the fenestral diaphragm protein plasmalemmal vesicle-associated protein-1 (PV-1).
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25 |
20375116
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Taken together, increased podocyte GLUT1 expression in diabetic mice does not contribute to early diabetic nephropathy; surprisingly, it protects against mesangial expansion and fibronectin accumulation possibly by blunting podocyte VEGF increases.
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26 |
20688931
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Unlike cell culture models, enhanced expression of VEGF by podocytes in vivo caused foot process fusion and alterations in slit diaphragm-associated proteins; however, inhibition of VEGFR-2 could not rescue this defect.
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27 |
20629321
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After second injected with adriamycin,the model group nephrin presented a weak signal in the end of the first week (P < 0.05), and the expression of VEGF started to increase at the end of the eighth week (P < 0.05).
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28 |
20629321
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The expression of nephrin and the number of podocyte were negatively correlated with the 24-hour urine protein, blood urea nitrogen and serum creatinine; while the expression of VEGF was positively correlated with the 24-hour urine protein, blood urea nitrogen and serum creatinine.
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29 |
20501654
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Here, we provide evidence that microRNA-93 (miR-93) regulates VEGF expression in experimental models of diabetes both in vitro and in vivo.
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30 |
20501654
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We identified VEGF-A as a putative target of miR-93 in the kidney with a perfect complementarity between miR-93 and the 3'-untranslated region of vegfa in several species.
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31 |
20501654
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When cotransfected with a luciferase reporter construct containing the mouse vegfa 3'-untranslated region, expression of miR-93 markedly decreased the luciferase activity.
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32 |
12620928
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Normal human podocytes are also known to express neuropilin-1, VEGF, and are VEGF-R2 negative.
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33 |
16525158
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Vascular endothelial growth factor (VEGF)-A is an autocrine survival factor for podocytes, which express two VEGF receptors, VEGF-R1 and VEGF-R3.
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34 |
16525158
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As VEGF-A is not a known ligand for VEGF-R3, the aim of this investigation was to examine whether VEGF-C, a known ligand for VEGF-R3, served a function in podocyte biology and whether this was VEGF-R3 dependent.
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35 |
16525158
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VEGF-C was also shown to induce a 0.5+/-0.13-fold reduction in levels of MAPK phosphorylation compared with VEGF-A and VEGF-A-Mab treatment (P<0.05, ANOVA, n=4), yet had no effect on Akt phosphorylation.
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36 |
16597608
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VEGF(165) induced a twofold increase in VEGFR2 mRNA and protein levels, whereas VEGFR1, sVEGFR1, NP1, and NP2 mRNA levels remained unchanged.
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37 |
16597608
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VEGF(165) induced VEGFR2 phosphorylation.
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38 |
16597608
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We determined that VEGF-A signaling regulates slit diaphragm proteins by inducing a dose-response podocin upregulation and increasing its interaction with CD2AP.
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39 |
16597608
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VEGF-A functions in podocytes include promoting survival through VEGFR2, inducing podocin upregulation and increasing podocin/CD2AP interaction.
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40 |
19828679
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We demonstrated that ablation of VEGF-A or VEGF-C as well as treatment with bevacizumab or a VEGFR-2/-3 tyrosine kinase inhibitor led to reduced podocyte survival.
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41 |
21318407
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It also led to increased VEGF receptor 2 and semaphorin3a levels, as well as nephrin and matrix metalloproteinase-2 downregulation, whereas circulating VEGF-A levels were similar to those in control diabetic mice.
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42 |
21451433
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Furthermore, PAN-induced up-regulation of desmin, down-regulation of synaptopodin and nephrin, and disruption of glomerular morphology were significantly attenuated in VEGF-induced transgenic mice.
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43 |
21640331
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Furthermore, cultured glomeruli from Jund(-/-) mice showed relatively increased expression of vascular endothelial growth factor A (Vegfa), Cxcr4, and Cxcl12, well-known HIF target genes.
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44 |
21640331
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Accordingly, small-interfering RNA-mediated JUND knockdown in conditionally immortalized human podocyte cell lines led to increased VEGFA and HIF1A expression.
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45 |
21640331
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Our findings suggest that deficiency of Jund may cause increased oxidative stress in podocytes, leading to altered VEGFA expression and subsequent glomerular injury in Crgn.
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46 |
21719793
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Here, we found that the transcription factor Wilms' Tumor 1 (WT1) modulates VEGFA and FGF2 signaling by increasing the expression of the 6-O-endosulfatases Sulf1 and Sulf2, which remodel the heparan sulfate 6-O-sulfation pattern in the extracellular matrix.
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47 |
21937443
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We previously showed that in vivo nephrin associates with VEGF receptor-2 (VEGFR2), the signaling receptor for VEGF-A.
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