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http://scihub22266oqcxt.onion/ C1915847!1915847!8886407     free     free     free Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 243.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Br+J+Pharmacol 1996 ; 119 (2): 261-8 Nephropedia Template TP {{tp|p=8886407|t=1996. Pyrimidinoceptor-mediated activation of phospholipase C and phospholipase A2 in RAW 264 7 macrophages |pdf=|usr=}}{{8886407}} gab.com Text Pyrimidinoceptor-mediated activation of phospholipase C and phospholipase A2 in RAW 264 7 macrophages JO: Br J Pharmacol http://www.kidney.de/pget.php?&tw=1&pmid=8886407 #FOAvip 1. As well as the presence of P2Z purinoceptors previously found in macrophages, we identified pyrimidinoceptors in RAW 264.7 cells, which activate phospholipase C (PLC) and phospholipase A2 (PLA2). 2. The relative potency of agonists to stimulate inositol phosphate (IP) formation and arachidonic acid (AA) release was UTP = UDP > > ATP, ATP gamma S, 2MeSATP. For both signalling pathways, the EC50 values for UTP and UDP (3 microM) were significantly lower than that for ATP and all other analogues tested (> 100 microM). 3. UTP and UDP displayed no additivity in terms of IP formation and AA release at maximally effective concentrations. 4. UTP-, but not ATP-, evoked AA release was 60% inhibited by pertussis toxin (PTX), while stimulation of IP formation by both agonists was unaffected. Short-term treatment with phorbol 12-myristate 13-acetate (PMA) led to a dose-dependent inhibition of IP responses to UTP and UDP, but failed to affect the AA responses. Removal of extracellular Ca2+ inhibited the PI response to UTP, but abolished its AA response. 5. ATP-induction of these two transmembrane signal pathways was decreased in high Mg(2+)-containing medium but potentiated by the removal of extracellular Mg2+. 6. Suramin and reactive blue displayed equal potency to inhibit the IP responses of UTP and ATP. 7. Both UTP and UDP (0.1-100 microM) induced a sustained increase in [Ca2+]i which lasted for more than 10 min. 8. Taken together, these results indicate that in mouse RAW 264.7 macrophages, pyrimidinoceptors with specificity for UTP and UDP mediate the activation of PLC and cytosolic (c) PLA2. The activation of PLC is via a PTX-insensitive G protein, whereas that of cPLA2 is via a PTX-sensitive G protein-dependent pathway. The sustained Ca2+ influx caused by UTP contributes to the activation of cPLA2. RAW 264.7 cells also possess P2z purinoceptors which mediate ATP(4-)-induced PLC and PLA2 activation.Images: Figure 3 Twit Text FOAVip Pyrimidinoceptor-mediated activation of phospholipase C and phospholipase A2 in RAW 264 7 macrophages ????Br J Pharmacol http://www.kidney.de/pget.php?&tw=1&pmid=8886407 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=8886407 #FOAvip English Wikipedia <ref>{{Cite pmid|8886407}}</ref> Pyrimidinoceptor-mediated activation of phospholipase C and phospholipase A2 in RAW 264 7 macrophages #MMPMID8886407 Lin WW; Lee YT Br J Pharmacol 1996[Sep]; 119 (2): 261-8 PMID8886407show ga 1. As well as the presence of P2Z purinoceptors previously found in macrophages, we identified pyrimidinoceptors in RAW 264.7 cells, which activate phospholipase C (PLC) and phospholipase A2 (PLA2). 2. The relative potency of agonists to stimulate inositol phosphate (IP) formation and arachidonic acid (AA) release was UTP = UDP > > ATP, ATP gamma S, 2MeSATP. For both signalling pathways, the EC50 values for UTP and UDP (3 microM) were significantly lower than that for ATP and all other analogues tested (> 100 microM). 3. UTP and UDP displayed no additivity in terms of IP formation and AA release at maximally effective concentrations. 4. UTP-, but not ATP-, evoked AA release was 60% inhibited by pertussis toxin (PTX), while stimulation of IP formation by both agonists was unaffected. Short-term treatment with phorbol 12-myristate 13-acetate (PMA) led to a dose-dependent inhibition of IP responses to UTP and UDP, but failed to affect the AA responses. Removal of extracellular Ca2+ inhibited the PI response to UTP, but abolished its AA response. 5. ATP-induction of these two transmembrane signal pathways was decreased in high Mg(2+)-containing medium but potentiated by the removal of extracellular Mg2+. 6. Suramin and reactive blue displayed equal potency to inhibit the IP responses of UTP and ATP. 7. Both UTP and UDP (0.1-100 microM) induced a sustained increase in [Ca2+]i which lasted for more than 10 min. 8. Taken together, these results indicate that in mouse RAW 264.7 macrophages, pyrimidinoceptors with specificity for UTP and UDP mediate the activation of PLC and cytosolic (c) PLA2. The activation of PLC is via a PTX-insensitive G protein, whereas that of cPLA2 is via a PTX-sensitive G protein-dependent pathway. The sustained Ca2+ influx caused by UTP contributes to the activation of cPLA2. RAW 264.7 cells also possess P2z purinoceptors which mediate ATP(4-)-induced PLC and PLA2 activation.Images: Figure 3 äPyrimidinoceptor-mediated activation of phospholipase C and phospholip(epmc).pdf DeepDyve Pubget Overpricing