Title : Reciprocal activation of α5-nAChR and STAT3 in nicotine-induced human lung cancer cell proliferation.

Pub. Date : 2017 Jul 20

PMID : 28750889






6 Functional Relationships(s)
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1 Reciprocal activation of alpha5-nAChR and STAT3 in nicotine-induced human lung cancer cell proliferation. Nicotine signal transducer and activator of transcription 3 Homo sapiens
2 Nicotine increased the levels of alpha5-nAChR mRNA and protein in NSCLC cell lines and activated the JAK2/STAT3 signaling cascade. Nicotine signal transducer and activator of transcription 3 Homo sapiens
3 Nicotine-induced activation of JAK2/STAT3 signaling was inhibited by the silencing of alpha5-nAChR. Nicotine signal transducer and activator of transcription 3 Homo sapiens
4 By silencing STAT3 expression, nicotine-induced upregulation of alpha5-nAChR was suppressed. Nicotine signal transducer and activator of transcription 3 Homo sapiens
5 Downregulation of alpha5-nAChR and/or STAT3 expression inhibited nicotine-induced lung cancer cell proliferation. Nicotine signal transducer and activator of transcription 3 Homo sapiens
6 These results suggest that there is a feedback loop between alpha5-nAChR and STAT3 that contributes to the nicotine-induced tumor cell proliferation, which indicates that alpha5-nAChR is an important therapeutic target involved in tobacco-associated lung carcinogenesis. Nicotine signal transducer and activator of transcription 3 Homo sapiens