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31017709
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Western blot analysis showed that ghrelin upregulated COX-2 protein expression in a time and dose-dependent manner.
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31017709
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Western blot analysis showed that ghrelin upregulated COX-2 protein expression in a time and dose-dependent manner.
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31017709
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Additionally, ghrelin activated P38 MAPK, AKT, and ERK1/2 pathways and also induced P38 MAPK phosphorylation in high glucose conditions.
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31017709
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Additionally, ghrelin activated P38 MAPK, AKT, and ERK1/2 pathways and also induced P38 MAPK phosphorylation in high glucose conditions.
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31017709
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Ghrelin mediated podocyte cell death was partially reversed by pharmacologically inhibiting P38 MAPK or phospholipase C (PLC).
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31017709
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Ghrelin mediated podocyte cell death was partially reversed by pharmacologically inhibiting P38 MAPK or phospholipase C (PLC).
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31017709
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Furthermore, PLC inhibitor (U73122) inhibited ghrelin induced P38 MAPK activation.
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31017709
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Furthermore, PLC inhibitor (U73122) inhibited ghrelin induced P38 MAPK activation.
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31017709
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While PI3K inhibitor (LY294002) was without effect on cell survival or P38 MAPK activation, it inhibited ghrelin induced ERK1/2 phosphorylation.
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31017709
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While PI3K inhibitor (LY294002) was without effect on cell survival or P38 MAPK activation, it inhibited ghrelin induced ERK1/2 phosphorylation.
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31017709
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Finally, ghrelin induced TAU phosphorylation was reversed by pharmacologic inhibitors of either P38 MAPK or PKA.
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31017709
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Finally, ghrelin induced TAU phosphorylation was reversed by pharmacologic inhibitors of either P38 MAPK or PKA.
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13 |
31017709
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In this study, we first showed that ghrelin receptor is expressed on glomerular podocytes.
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14 |
31017709
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In this study, we first showed that ghrelin receptor is expressed on glomerular podocytes.
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15 |
31017709
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Also, ghrelin showed negative impact on podocyte survival through modulating signalling pathways such as P38 MAPK and AKT known to play a key role in podocyte health.
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16 |
31017709
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Also, ghrelin showed negative impact on podocyte survival through modulating signalling pathways such as P38 MAPK and AKT known to play a key role in podocyte health.
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17 |
26583319
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Loss of the ER Ca(2+) pool induced by palmitate was reverted by the phospholipase C (PLC) inhibitor edelfosine.
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18 |
26583319
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Loss of the ER Ca(2+) pool induced by palmitate was reverted by the phospholipase C (PLC) inhibitor edelfosine.
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19 |
26583319
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These data suggest that oxidative stress caused by saturated FFA leads to mitochondrial dysfunction and ER Ca(2+) depletion through FAT/CD36 and PLC signaling, possibly contributing to podocyte injury.
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20 |
26583319
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These data suggest that oxidative stress caused by saturated FFA leads to mitochondrial dysfunction and ER Ca(2+) depletion through FAT/CD36 and PLC signaling, possibly contributing to podocyte injury.
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21 |
25521631
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Phospholipase C epsilon (PLCε) induced TRPC6 activation: a common but redundant mechanism in primary podocytes.
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22 |
25521631
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Phospholipase C epsilon (PLCε) induced TRPC6 activation: a common but redundant mechanism in primary podocytes.
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23 |
25521631
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In eukaryotic cells, activation of phospholipase C (PLC)-coupled membrane receptors by hormones leads to an increase in the intracellular Ca(2+) concentration [Ca(2+) ]i .
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25521631
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In eukaryotic cells, activation of phospholipase C (PLC)-coupled membrane receptors by hormones leads to an increase in the intracellular Ca(2+) concentration [Ca(2+) ]i .
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25 |
25521631
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Catalytic activity of PLCs results in the hydrolysis of phosphatidylinositol 4,5-bisphosphate to generate inositol 1,4,5-trisphosphate (IP3) and diacylglycerol (DAG) which opens DAG-sensitive classical transient receptor channels 3, 6, and 7 (TRPC3/6/7), initiating Ca(2+) influx from the extracellular space.
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26 |
25521631
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Catalytic activity of PLCs results in the hydrolysis of phosphatidylinositol 4,5-bisphosphate to generate inositol 1,4,5-trisphosphate (IP3) and diacylglycerol (DAG) which opens DAG-sensitive classical transient receptor channels 3, 6, and 7 (TRPC3/6/7), initiating Ca(2+) influx from the extracellular space.
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27 |
25521631
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PLCε-/- podocytes however, were undistinguishable from WT podocytes in their angiotensin II-induced formation of actin stress fibers and their GTPγS-induced TRPC6 activation, pointing to a redundant role of PLCε-mediated TRPC6 activation at least in podocytes.
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25521631
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PLCε-/- podocytes however, were undistinguishable from WT podocytes in their angiotensin II-induced formation of actin stress fibers and their GTPγS-induced TRPC6 activation, pointing to a redundant role of PLCε-mediated TRPC6 activation at least in podocytes.
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29 |
24553432
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ATP effects were also abolished by inhibiting G protein signaling and by the PLC/PLA2 inhibitor D-609.
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30 |
24037962
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Angiotensin II activation of TRPC6 channels in rat podocytes requires generation of reactive oxygen species.
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31 |
24037962
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This effect was completely blocked by SKF-96365, by micromolar La(3+) , and by siRNA knockdown of TRPC6, indicating that TRPC6 is the primary source of Ca(2+) influx mobilized by endogenously expressed angiotensin II receptors in these cells.
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24037962
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These responses were also blocked by the AT1R antagonist losartan, the phospholipase C inhibitor D-609, and by inhibition of G protein signaling.
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24037962
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Significant reductions of AII effects on podocyte TRPC6 were also observed after pretreatment with NADPH oxidase inhibitors apocynin or diphenylene iodonium (DPI).
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34 |
24037962
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These data suggest that ROS production permits activation of TRPC6 channels by G protein and PLC-dependent cascades initiated by AII acting on AT1Rs in podocytes.
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35 |
23948707
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NOX2 interacts with podocyte TRPC6 channels and contributes to their activation by diacylglycerol: essential role of podocin in formation of this complex.
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23948707
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TRPC6 channels are typically activated by diacylglycerol (DAG) during PLC-dependent transduction cascades.
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37 |
23948707
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We previously showed that podocin is required for DAG analogs to produce robust activation of TRPC6 channels in podocytes.
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38 |
23948707
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Here we show that endogenous TRPC6 channels in immortalized podocytes reciprocally coimmunoprecipitate with the catalytic subunit of the NADPH oxidase NOX2 (gp91(phox)).
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39 |
23948707
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The NOX2-TRPC6 interaction was not detected in cells stably expressing a short hairpin RNA targeting podocin, although NOX2 and TRPC6 were present at normal levels.
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23948707
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OAG also increased steady-state surface expression of the NOX2 regulatory subunit p47(phox).
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41 |
23948707
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In whole cell recordings, TRPC6 activation by OAG was reduced in podocytes pretreated with the NOX2 inhibitor apocynin, by the pan-NOX inhibitor diphenylene iodonium, and by tempol, a ROS quencher.
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42 |
23948707
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These data suggest that active NOX2 assembles with TRPC6 at podocin-organized sterol-rich raft domains and becomes catalytically active in response to DAG.
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43 |
17942568
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Recently, we identified recessive mutations in the phospholipase C epsilon 1 gene (PLCE1) as a new cause of early-onset nephrotic syndrome and demonstrated interaction of PLCepsilon1 with IQGAP1.
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44 |
17942568
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It relates the PLCE1 ortholog (plc-1) to the C. elegans ortholog (lin-45) of human BRAF (v-raf murine sarcoma viral oncogene homolog B1).
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45 |
16303855
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TRPC1 colocalized with aquaporin-1, a marker for proximal tubule and thin descending limb, but not with aquaporin-2, a marker for connecting tubule and collecting duct cells.
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46 |
16303855
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TRPC3 and -C6 colocalized with aquaporin-2, but not with the Na(+)/Ca(2+) exchanger or peanut lectin.
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47 |
16303855
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In polarized cultures of M1 and IMCD-3 collecting duct cells, TRPC3 was localized exclusively to the apical domain, whereas TRPC6 was found in both the basolateral and apical membranes.
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48 |
16303855
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TRPC3 and TRPC6 were also detected in primary podocyte cultures, whereas TRPC1 was exclusively expressed in mesangial cell cultures.
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49 |
16303855
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These results suggest that TRPC1, -C3, and -C6 may play a functional role in PLC-dependent signaling in specific regions of the nephron.
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