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Solanki HS, Advani J, Khan AA, Radhakrishnan A, Sahasrabuddhe NA, Pinto SM, Chang X, Prasad TSK, Mathur PP, Sidransky D, Gowda H, Chatterjee A. Chronic Cigarette Smoke Mediated Global Changes in Lung Mucoepidermoid Cells: A Phosphoproteomic Analysis. OMICS : A JOURNAL OF INTEGRATIVE BIOLOGY 2017; 21:474-487. [PMID: 28816646 PMCID: PMC5583567 DOI: 10.1089/omi.2017.0090] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Proteomics analysis of chronic cigarette smoke exposure is a rapidly emerging postgenomics research field. While smoking is a major cause of lung cancer, functional studies using proteomics approaches could enrich our mechanistic understanding of the elusive lung cancer global molecular signaling and cigarette smoke relationship. We report in this study on a stable isotope labeling by amino acids in cell culture-based quantitative phosphoproteomic analysis of a human lung mucoepidermoid carcinoma cell line, H292 cells, chronically exposed to cigarette smoke. Using high resolution Orbitrap Velos mass spectrometer, we identified the hyperphosphorylation of 493 sites, which corresponds to 341 proteins and 195 hypophosphorylated sites, mapping to 142 proteins upon smoke exposure (2.0-fold change). We report differential phosphorylation of multiple kinases, including PAK6, EPHA4, LYN, mitogen-activated protein kinase, and phosphatases, including TMEM55B, PTPN14, TIGAR, among others, in response to chronic cigarette smoke exposure. Bioinformatics analysis revealed that the molecules differentially phosphorylated upon chronic exposure of cigarette smoke are associated with PI3K/AKT/mTOR and CDC42-PAK signaling pathways. These signaling networks are involved in multiple cellular processes, including cell polarity, cytoskeletal remodeling, cellular migration, protein synthesis, autophagy, and apoptosis. The present study contributes to emerging proteomics insights on cigarette smoke mediated global signaling in lung cells, which in turn may aid in development of precision medicine therapeutics and postgenomics biomarkers.
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Affiliation(s)
- Hitendra S. Solanki
- Institute of Bioinformatics, International Technology Park, Bangalore, India
- School of Biotechnology, KIIT University, Bhubaneswar, Odisha, India
| | - Jayshree Advani
- Institute of Bioinformatics, International Technology Park, Bangalore, India
- Manipal University, Madhav Nagar, Manipal, India
| | - Aafaque Ahmad Khan
- Institute of Bioinformatics, International Technology Park, Bangalore, India
- School of Biotechnology, KIIT University, Bhubaneswar, Odisha, India
| | | | | | - Sneha M. Pinto
- YU-IOB Center for Systems Biology and Molecular Medicine, Yenepoya University, Mangalore, India
| | - Xiaofei Chang
- Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Thottethodi Subrahmanya Keshava Prasad
- Institute of Bioinformatics, International Technology Park, Bangalore, India
- YU-IOB Center for Systems Biology and Molecular Medicine, Yenepoya University, Mangalore, India
- NIMHANS-IOB Proteomics and Bioinformatics Laboratory, Neurobiology Research Centre, National Institute of Mental Health and Neurosciences, Bangalore, India
| | | | - David Sidransky
- Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Harsha Gowda
- Institute of Bioinformatics, International Technology Park, Bangalore, India
| | - Aditi Chatterjee
- Institute of Bioinformatics, International Technology Park, Bangalore, India
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Affiliation(s)
- Sana Syed
- Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Department of Pediatrics, Emory University School of Medicine and Children's Healthcare of Atlanta, Atlanta, Georgia
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