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PMID |
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1 |
34066452
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We assessed urine microalbumin, albumin to creatinine ratio (ACR), glomerular hypertrophy, glomerular fibrosis, podocyte markers (Wilm's tumor protein-1, synaptopodin and nephrin), cell proliferation, cell survival, cell apoptosis, renal inflammation and renal oxidative stress. (3) Results: The Mel combined SW therapy regimen significantly reduced urine microalbumin excretion (3.3 ± 0.5 mg/dL, p < 0.001), ACR (65.2 ± 8.3 mg/g, p < 0.001), glomerular hypertrophy (3.1 ± 0.1 × 106 μm3, p < 0.01) and glomerular fibrosis (0.9 ± 0.4 relative mRNA fold, p < 0.05).
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2 |
34066452
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This is likely primarily because Mel combined with SW therapy significantly reduced renal inflammation (753 ± 46 pg/mg, p < 0.01), renal oxidative stress (0.6 ± 0.04 relative density, p < 0.05), and apoptosis (0.3 ± 0.03 relative density, p < 0.001), and also significantly increased cell proliferation (2.0 ± 0.2% area proliferating cell nuclear antigen (PCNA), p < 0.01), cell survival, and nephrin level (4.2 ± 0.4 ng/mL, p < 0.001). (4) Conclusions: Mel combined SW therapy enhances podocyte protection and ameliorates kidney function in a DN rat model.
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3 |
31801948
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The high expression levels of cell cycle inhibitory proteins, including p21, p27, and p57, play an important role in maintaining the low level of proliferation of mature podocytes.
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4 |
31801948
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Proliferating cell nuclear antigen (PCNA)-, cyclin-dependent kinase 4 (CDK4)-, and Cyclin D1-positive podocytes were found in mice with adriamycin-induced nephropathy.
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5 |
31801948
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CDK4 and cyclin D1 were significantly up-regulated after incubation with adriamycin.
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6 |
31801948
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Overexpression of YAP in podocytes promoted their entry into the cell cycle; up-regulated cyclin D1, desmin, and snail2 expression and down-regulated Wilms' tumour 1 (WT1) and nephrin production.
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7 |
31801948
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Recombinant murine FGF-basic induced podocytes to re-enter the cell cycle, inhibited WT1 and nephrin, and increased desmin and snail2 expression.
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8 |
31801948
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Pretreating podocytes with verteporfin, an inhibitor of YAP/ TEA domain transcription factor (TEAD), decreased the adriamycin-induced overexpression of cyclin D1 and reduced the ratio of S-phase podocytes.
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9 |
31801948
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In conclusion, adriamycin induced podocytes to re-enter the cell cycle via upregulation of CDK4 and cyclin D1 expression, which was at least partly mediated by YAP signalling.
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10 |
30858353
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Importantly, targeting 4E-BP1 activation by the RNA interference of 4E-BP1 or pharmacologic rapamycin (inhibitor of mTORC1, blocking mTORC1-dependent phosphorylation of its substrate 4E-BP1) treatment was able to inhibit the increases of PCNA, Ki67, and the S-phase fraction of cell cycle in primary podocyte during 2-6 h of adriamycin treatment, and also attenuated the following apoptotic cell death of podocyte detected from the 4th hour, suggesting that 4E-BP1 could be a regulator to manipulate the amount of cell cycle re-entry provided by differentiated podocyte, and thus regulate the degree of podocyte apoptosis, bringing us a new potential podocyte-protective substance that can be used for therapy.
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11 |
29990736
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Differential susceptibility of kidneys and livers to proliferative processes and transcriptional level of the genes encoding desmin, vimentin, connexin 43, and nestin in rats exposed to furan.
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12 |
29990736
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Differential susceptibility of kidneys and livers to proliferative processes and transcriptional level of the genes encoding desmin, vimentin, connexin 43, and nestin in rats exposed to furan.
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13 |
29990736
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The transcriptional levels of intermediate filament proteins (desmin, vimentin, nestin, and connexin 43) were assessed by using quantitative real-time polymerase chain reaction (PCR), and the cell proliferation markers (proliferating cell nuclear antigen [PCNA] and proliferation-associated nuclear antigen [Ki-67]) were recognized by immunohistochemical analysis.
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14 |
29990736
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The transcriptional levels of intermediate filament proteins (desmin, vimentin, nestin, and connexin 43) were assessed by using quantitative real-time polymerase chain reaction (PCR), and the cell proliferation markers (proliferating cell nuclear antigen [PCNA] and proliferation-associated nuclear antigen [Ki-67]) were recognized by immunohistochemical analysis.
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15 |
29990736
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Moreover, furan enhances the expression of PCNA and Ki-67 in the liver tissues but not in the kidney tissues.
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16 |
29990736
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Moreover, furan enhances the expression of PCNA and Ki-67 in the liver tissues but not in the kidney tissues.
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17 |
25859064
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The distribution pattern of nephrin-expressing cells was similar to that of proliferating cell nuclear antigen-expressing neoblasts, which are pluripotent stem cells characteristic to planarians.
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18 |
23859838
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The expression of alpha-smooth muscle actin (α-SMA), proliferating cell nuclear antigen (PCNA) and transforming growth factor-beta1 (TGF-β1) in the kidney was examined by immunohistochemical staining and western blot analysis.
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19 |
21160460
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There was focal loss of the podocyte markers synaptopodin, glomerular epithelial protein 1 (GLEPP-1), nephrin, and vascular endothelial growth factor (VEGF), particularly at sites of capsular adhesions in otherwise histologically normal glomeruli.
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20 |
21160460
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Cells displaying the parietal epithelial cell markers PAX2 (paired box gene 2) and the cytokeratins were also positive for the proliferating cell marker, proliferating cell nuclear antigen.
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21 |
20943767
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Compensatory glomerular hypertrophy in GDNF+/- was accompanied by higher numbers of endothelial and mesangial cells as well as PCNA-positive glomerular cells, whereas podocyte density was significantly reduced.
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22 |
20037814
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The expression of Rho-kinase mRNA and P27 mRNA in kidney were detected by RT-PCR.
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23 |
20037814
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But in the treatment group, the fasudil alleviated glomerular injury, with proliferating cell nuclear antigen (PCNA)-positive cell infiltration ameliorated and the expression of P27 increased.
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24 |
19662019
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In addition, there was significant glomerular damage (increased glomerular sclerosis index, desmin staining and proliferating cell nuclear antigen (PCNA)-positive cells, electron microscopic findings of podocyte injury) and tubulointerstitial damage (increased tubulointerstitial fibrosis index, type IV collagen staining, PCNA-positive cells and expression of TGF-beta mRNA) in vehicle-treated SHR/NDmcr-cp rats compared with that in control rats.
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25 |
19214988
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Ubiquitin C-terminal hydrolase-L1 (UCH-L1), an important member of de-ubiquitination enzyme families involved in the ubiquitin-proteasome pathway, is expressed mainly in neural and reproductive systems as well as in some tumours.
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26 |
19214988
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The results demonstrated that UCH-L1 was expressed in podocytes and its expression was significantly higher in acute proliferative glomerulonephritis (APGN), lupus nephritis (LN), membranous glomerulonephritis (MGN) and IgA nephropathy than that in focal segmental glomerulosclerosis (FSGS), minimal change disease (MCD), minor abnormality and normal kidney tissues (p < 0.05).
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27 |
19214988
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In in vitro experiments, western blot showed that UCH-L1 expression significantly increased in the two groups of podocytes co-cultured with mesangial cells exposed to ATS 50 microl/ml and ATS 50 microl/ml with normal human serum 30 microl/ml, respectively (p < 0.05), while the other groups treated with TGFbeta1 1 ng/ml, TNFalpha 10 ng/ml or IL-1 10 ng/ml had little rise of UCH-L1 expression, with no statistical significance compared with normal control (p > 0.05).
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28 |
19214988
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Further tests indicated that the percentage of PCNA-positive podocytes in LN, APGN and IgA nephropathy was significantly higher than that in MCD, FSGS and normal control (p < 0.05).
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29 |
18268475
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We investigated whether the intermediate filament protein and neural stem cell marker nestin characterizes the glomerular progenitor/reserve cell population immigrating the glomerulus after mesangial cell (MC) injury in the rat (anti-Thy1 nephritis).
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30 |
18268475
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At the peak of mesangial proliferation and expansion (day 5) most OX-7-positive MCs expressed nestin largely colocalizing with the activation marker alpha-smooth muscle actin and the proliferation marker PCNA.
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31 |
15829708
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Podocyturia in the PAN and anti-Thy 1.1 nephritis model was preceded by entry of glomerular podocytes into the cell cycle, i.e., cyclin D1, cdc2, and/or proliferating cell nuclear antigen (PCNA) expression.
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32 |
15232745
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The observation that podocytes express proliferation markers (Ki67, proliferating-cell nuclear antigen and topoisomerase IIalpha) in non-proliferative, mature-looking glomeruli suggests an initial pathogenic act to activate or to keep podocytes from quiescence.
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33 |
15232745
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The subsequent proliferation of podocytes is in keeping with downregulation of WT1 and cyclin kinase inhibitors of p16 and p21.
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34 |
15232745
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The final scene of evolving glomerulopathy displays apoptosis and expression of Fas-L and Bax in sclerotic mesangial lesions, which eventually end up with global sclerosis.
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35 |
15208647
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To assess the cellular mechanisms underlying the mesangial cell proliferation and glomerulosclerosis in progressive human IgA nephropathy (IgAN), we examined the expression of E2F1, Rb, c-Myc, proliferating cell nuclear antigen (PCNA), cyclins (D1, E and A), cyclin-dependent kinase 2 (CDK2) and CDK inhibitors (p21(waf1), p27(kip1), 57(kip2) and p16(ink4a)) by immunohistochemistry in renal biopsy specimens.
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36 |
15208647
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To assess the cellular mechanisms underlying the mesangial cell proliferation and glomerulosclerosis in progressive human IgA nephropathy (IgAN), we examined the expression of E2F1, Rb, c-Myc, proliferating cell nuclear antigen (PCNA), cyclins (D1, E and A), cyclin-dependent kinase 2 (CDK2) and CDK inhibitors (p21(waf1), p27(kip1), 57(kip2) and p16(ink4a)) by immunohistochemistry in renal biopsy specimens.
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37 |
15208647
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High endogenous expression of p27(kip1) and p57(kip2) by podocytes in normal glomeruli and glomeruli with minor lesions was observed to decrease in proliferating and sclerosing glomeruli; this pattern displayed a strong inverse correlation with the mean glomerulosclerosis score and the index of glomerular lesion.
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38 |
15208647
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High endogenous expression of p27(kip1) and p57(kip2) by podocytes in normal glomeruli and glomeruli with minor lesions was observed to decrease in proliferating and sclerosing glomeruli; this pattern displayed a strong inverse correlation with the mean glomerulosclerosis score and the index of glomerular lesion.
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39 |
15208647
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Increased apoptotic activity was identified in progressive glomerular lesions of advanced IgAN, which correlated with the proliferative activity in these lesions as assessed by total expression levels of PCNA and CDK2 in glomeruli, E2F1 expression levels in the mesangium, cyclin D1 expression levels in endothelium and the c-Myc glomerular staining score.
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40 |
15208647
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Increased apoptotic activity was identified in progressive glomerular lesions of advanced IgAN, which correlated with the proliferative activity in these lesions as assessed by total expression levels of PCNA and CDK2 in glomeruli, E2F1 expression levels in the mesangium, cyclin D1 expression levels in endothelium and the c-Myc glomerular staining score.
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41 |
15208647
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Our results suggest that the onset and magnitude of mesangial cell proliferation and glomerulosclerosis is associated with the upregulation of E2F1 by mesangial cells and the downregulation of p27(kip1) and p57(kip2) by glomerular epithelial cells.
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42 |
15208647
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Our results suggest that the onset and magnitude of mesangial cell proliferation and glomerulosclerosis is associated with the upregulation of E2F1 by mesangial cells and the downregulation of p27(kip1) and p57(kip2) by glomerular epithelial cells.
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43 |
14747381
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The expression of desmin, TGF-beta, endothelin-1, collagen IV, endothelial nitric oxide synthase, and estrogen receptors alpha and beta in the glomeruli and tubulointerstitium was immunohistochemically evaluated.
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44 |
14747381
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Similarly, significantly higher glomerular and tubulointerstitial expression of proliferating cell nuclear antigen and collagen IV was observed in UNX/OVX animals, and expression was decreased by estriol but not estradiol.
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45 |
14600034
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The expression of proliferating cellular antigen (PCNA), cyclin-dependent kinase inhibitor p27, Wilms tumor gene (WT1), and desmin, a marker of early podocyte damage, was investigated by immunohistology.
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46 |
14600034
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The expression of proliferating cellular antigen (PCNA), cyclin-dependent kinase inhibitor p27, Wilms tumor gene (WT1), and desmin, a marker of early podocyte damage, was investigated by immunohistology.
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47 |
14600034
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In parallel, the increase in podocyte volume in SNX+solvent rats was abrogated by treatment with 1,25(OH)(2)D(3), and immunohistochemistry revealed less expression of desmin, PCNA, and p27, suggesting less podocyte injury and activation of the cyclin cascade.
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48 |
14600034
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In parallel, the increase in podocyte volume in SNX+solvent rats was abrogated by treatment with 1,25(OH)(2)D(3), and immunohistochemistry revealed less expression of desmin, PCNA, and p27, suggesting less podocyte injury and activation of the cyclin cascade.
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