Proteomics

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P21-Activated kinase 6 (PAK6) is associated with enhanced proliferation in lung cells exposed chronically to cigarette smoke


ABSTRACT: Epidemiological data clearly establishes cigarette smoking as one of the major cause for lung cancer worldwide. There is no standard screening method for lung cancer even in high-risk populations and the overall five-year survival has not changed significantly in the last decade. First-line treatment for lung cancer includes surgical resection, chemotherapy, and radiation. Recently with the advancement of systems biology, targeted therapy has become one of the most preferred modes of treatment for cancer. Though certain targeted therapies such as anti-EGFR are in clinical practice, they have shown limited success in the smokers suffering from lung cancer. This demands the discovery of alternative drug targets through systematic investigation of altered signaling mechanisms. To study dysregulated signaling pathways due to chronic cigarette smzoke exposure, we carried out SILAC-based phosphoproteome analysis of lung cell line H358 chronically exposed to cigarette smoke. We identified 1,812 phosphosites, of which 278 were hyperphosphorylated (≥ 3-fold) in the H358 cells exposed to cigarette smoke. We identified several known and some novel kinases and key signaling molecules that were hyperphosphorylated in response to chronic exposure to cigarette smoke

INSTRUMENT(S): LTQ Orbitrap Velos

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Epithelial Cell, Cell Culture

DISEASE(S): Non-small Cell Lung Carcinoma

SUBMITTER: Akhilesh Pandey  

LAB HEAD: Akhilesh Pandey

PROVIDER: PXD003108 | Pride | 2016-12-14

REPOSITORIES: Pride

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Epidemiological data clearly establishes cigarette smoking as one of the major cause for lung cancer worldwide. Recently, targeted therapy has become one of the most preferred modes of treatment for cancer. Though certain targeted therapies such as anti-EGFR are in clinical practice, they have shown limited success in lung cancer patients who are smokers. This demands discovery of alternative drug targets through systematic investigation of cigarette smoke-induced signaling mechanisms. To study  ...[more]

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