Title : A functional role for nicotine in Bcl2 phosphorylation and suppression of apoptosis.

Pub. Date : 2003 Jan 17

PMID : 12421819






12 Functional Relationships(s)
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1 A functional role for nicotine in Bcl2 phosphorylation and suppression of apoptosis. Nicotine BCL2 apoptosis regulator Homo sapiens
2 It is possible that nicotine may regulate Bcl2 to stimulate cell survival. Nicotine BCL2 apoptosis regulator Homo sapiens
3 Here we report that nicotine can induce Bcl2 phosphorylation exclusively at the serine 70 site in association with prolonged survival of SCLC H82 cells expressing wild-type but not the phosphorylation-deficient S70A mutant Bcl2 after treatment with chemotherapeutic agents (i.e. cisplatin or VP-16). Nicotine BCL2 apoptosis regulator Homo sapiens
4 Here we report that nicotine can induce Bcl2 phosphorylation exclusively at the serine 70 site in association with prolonged survival of SCLC H82 cells expressing wild-type but not the phosphorylation-deficient S70A mutant Bcl2 after treatment with chemotherapeutic agents (i.e. cisplatin or VP-16). Nicotine BCL2 apoptosis regulator Homo sapiens
5 Nicotine induces activation of PKC alpha and the MAPKs ERK1 and ERK2, which are physiological Bcl2 kinases. Nicotine BCL2 apoptosis regulator Homo sapiens
6 Furthermore, ET-18-OCH3, a specific phospholipase C (PLC) inhibitor, blocks nicotine-stimulated Bcl2 phosphorylation and promotes apoptosis, suggesting that PLC may be involved in nicotine activation of Bcl2 kinases. Nicotine BCL2 apoptosis regulator Homo sapiens
7 Furthermore, ET-18-OCH3, a specific phospholipase C (PLC) inhibitor, blocks nicotine-stimulated Bcl2 phosphorylation and promotes apoptosis, suggesting that PLC may be involved in nicotine activation of Bcl2 kinases. Nicotine BCL2 apoptosis regulator Homo sapiens
8 Furthermore, ET-18-OCH3, a specific phospholipase C (PLC) inhibitor, blocks nicotine-stimulated Bcl2 phosphorylation and promotes apoptosis, suggesting that PLC may be involved in nicotine activation of Bcl2 kinases. Nicotine BCL2 apoptosis regulator Homo sapiens
9 Furthermore, ET-18-OCH3, a specific phospholipase C (PLC) inhibitor, blocks nicotine-stimulated Bcl2 phosphorylation and promotes apoptosis, suggesting that PLC may be involved in nicotine activation of Bcl2 kinases. Nicotine BCL2 apoptosis regulator Homo sapiens
10 Thus, nicotine-induced cell survival results, at least in part, from a mechanism that involves Bcl2 phosphorylation. Nicotine BCL2 apoptosis regulator Homo sapiens
11 Therefore, novel therapeutic strategies for lung cancer in which Bcl2 is expressed may be used to abrogate the anti-apoptotic activity of Bcl2 by inhibiting multiple upstream nicotine-activated pathways. Nicotine BCL2 apoptosis regulator Homo sapiens
12 Therefore, novel therapeutic strategies for lung cancer in which Bcl2 is expressed may be used to abrogate the anti-apoptotic activity of Bcl2 by inhibiting multiple upstream nicotine-activated pathways. Nicotine BCL2 apoptosis regulator Homo sapiens