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The cells were exposed for indicated times to indicated agents. The graph shows the mean of independent experiments performed in triplicate, Mean �� SD, n = 6; *P http://en.wikipedia.org/wiki/SWAP70 seeding and analysed as above. The graph shows the mean of independent experiments performed in triplicate, Mean �� SD, n = 9. (E) The expression levels of QR2 in different cell lines compared with rat liver and lung tissue. Around 80 ?g of cell lysate were run on 10% SDS-PAGE and QR2 expression was analysed by Western blot. GAPDH expression is shown as loading control. Note the highest expression of QR2 in HEK293 cells and U373 cells that respond very well to NMDPEF and a very low expression in A549 cells, which are not protected by NMDPEF. Figure S3 QR2 inhibitor NMDPEF protects against PQ and rotenone toxicity, but the protective effect is much stronger for PQ. The cells were treated with PQ (10 ?M) or rotenone (10 ?M) and the percent of dead cells was determined by Trypan blue staining and FACS analysis at time points indicated. Mean �� SEM of 3 independent experiments performed at least in duplicate, n = 6, *P http://www.selleckchem.com/products/BIBW2992.html suburothelial venules of rat bladder, pericytes (perivascular cells) develop spontaneous Ca2+ transients, which may drive the smooth muscle wall to generate spontaneous venular constrictions. We aimed to further explore the morphological and functional characteristics of pericytes in the mouse bladder. The morphological features of pericytes were investigated by electron http://www.selleckchem.com/products/BKM-120.html microscopy and fluorescence immunohistochemistry. Changes in diameters of suburothelial venules were measured using video microscopy, while intracellular Ca2+ dynamics were visualized using Fluo-4 fluorescence Ca2+ imaging. A network of ��-smooth muscle actin immunoreactive pericytes surrounded venules in the mouse bladder suburothelium. Scanning electron microscopy revealed that this network of stellate-shaped pericytes covered the venules, while transmission electron microscopy demonstrated that the venular wall consisted of endothelium and adjacent pericytes, lacking an intermediate smooth muscle layer. Pericytes exhibited spontaneous Ca2+ transients, which were accompanied by phasic venular constrictions. Nicardipine (1?��M) disrupted the synchrony of spontaneous Ca2+ transients in pericytes and reduced their associated constrictions.