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PMID |
Sentence |
1 |
17562331
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In this study, we demonstrated that the phosphoinositide-phospholipase C (PI-PLC) downstream signaling pathway is involved in M. bovis BCG-induced CXCL8 release, since A549 cells pretreated with U73122, a PI-PLC inhibitor, inhibited CXCL8 release, whereas U73343 the inactive analog had no effect.
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2 |
17562331
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In addition, our results demonstrated that M. bovis BCG-induced CXCL8 production by A549 cells was significantly blocked by using neomycin (another well-described inhibitor of PI-PLC with a different mechanism of action), Ro-32-0432 and Ro-31-8220 (two PKCalpha inhibitors), PP1 and PP2 (two potent and selective inhibitors of the Src-family tyrosine kinases), and Bay 11-7082 (an IkappaB phosphorylation inhibitor).
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3 |
17562331
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We also demonstrated that M. bovis BCG can rapidly induce translocation of PKCalpha from the cytosol to the membrane, and that treatment of cells with M. bovis BCG caused time-dependent increases in phosphorylation of c-Src at tyrosine 416.
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4 |
17562331
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Finally, our studies revealed that M. bovis BCG induced the association of c-Src and IKKalphabeta during the interaction of PKCalpha and IKKalphabeta.
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5 |
17562331
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Altogether, these results represent the first evidence to date suggesting that M. bovis BCG activates the PI-PLC/PKCalpha/c-Src/IKKalphabeta signaling pathway to induce CXCL8 release in human epithelial cells.
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6 |
17562331
|
In this study, we demonstrated that the phosphoinositide-phospholipase C (PI-PLC) downstream signaling pathway is involved in M. bovis BCG-induced CXCL8 release, since A549 cells pretreated with U73122, a PI-PLC inhibitor, inhibited CXCL8 release, whereas U73343 the inactive analog had no effect.
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7 |
17562331
|
In addition, our results demonstrated that M. bovis BCG-induced CXCL8 production by A549 cells was significantly blocked by using neomycin (another well-described inhibitor of PI-PLC with a different mechanism of action), Ro-32-0432 and Ro-31-8220 (two PKCalpha inhibitors), PP1 and PP2 (two potent and selective inhibitors of the Src-family tyrosine kinases), and Bay 11-7082 (an IkappaB phosphorylation inhibitor).
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8 |
17562331
|
We also demonstrated that M. bovis BCG can rapidly induce translocation of PKCalpha from the cytosol to the membrane, and that treatment of cells with M. bovis BCG caused time-dependent increases in phosphorylation of c-Src at tyrosine 416.
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9 |
17562331
|
Finally, our studies revealed that M. bovis BCG induced the association of c-Src and IKKalphabeta during the interaction of PKCalpha and IKKalphabeta.
|
10 |
17562331
|
Altogether, these results represent the first evidence to date suggesting that M. bovis BCG activates the PI-PLC/PKCalpha/c-Src/IKKalphabeta signaling pathway to induce CXCL8 release in human epithelial cells.
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11 |
17562331
|
In this study, we demonstrated that the phosphoinositide-phospholipase C (PI-PLC) downstream signaling pathway is involved in M. bovis BCG-induced CXCL8 release, since A549 cells pretreated with U73122, a PI-PLC inhibitor, inhibited CXCL8 release, whereas U73343 the inactive analog had no effect.
|
12 |
17562331
|
In addition, our results demonstrated that M. bovis BCG-induced CXCL8 production by A549 cells was significantly blocked by using neomycin (another well-described inhibitor of PI-PLC with a different mechanism of action), Ro-32-0432 and Ro-31-8220 (two PKCalpha inhibitors), PP1 and PP2 (two potent and selective inhibitors of the Src-family tyrosine kinases), and Bay 11-7082 (an IkappaB phosphorylation inhibitor).
|
13 |
17562331
|
We also demonstrated that M. bovis BCG can rapidly induce translocation of PKCalpha from the cytosol to the membrane, and that treatment of cells with M. bovis BCG caused time-dependent increases in phosphorylation of c-Src at tyrosine 416.
|
14 |
17562331
|
Finally, our studies revealed that M. bovis BCG induced the association of c-Src and IKKalphabeta during the interaction of PKCalpha and IKKalphabeta.
|
15 |
17562331
|
Altogether, these results represent the first evidence to date suggesting that M. bovis BCG activates the PI-PLC/PKCalpha/c-Src/IKKalphabeta signaling pathway to induce CXCL8 release in human epithelial cells.
|