World Journal of
Pharmaceutical and Life Sciences

An International Peer Reviewed Journal for Pharmaceutical and Life Sciences
An Official Publication of Society for Advance Healthcare Research (Reg. No. : 01/01/01/31674/16)
World Journal of Pharmaceutical and Life Sciences (WJPLS) has indexed with various reputed international bodies like : Google Scholar, Index Copernicus, Indian Science Publications, SOCOLAR, China, Cosmos Impact Factor, Research Bible, Fuchu, Tokyo. JAPAN, Scientific Indexing Services (SIS), Jour Informatics (Under Process), UDLedge Science Citation Index, Global Impact Factor (In Process), International Impact Factor Services, International Scientific Indexing, UAE, International Society for Research Activity (ISRA) Journal Impact Factor (JIF), Science Library Index, Dubai, United Arab Emirates, International Innovative Journal Impact Factor (IIJIF), Scientific Journal Impact Factor (SJIF), Eurasian Scientific Journal Index (ESJI), Indian citation Index (ICI), IFSIJ Measure of Journal Quality, International Scientific Indexing, UAE (ISI), Web of Science Group (Under Process), Directory of Research Journals Indexing, 

Abstract

PERCIPIENCE OF BIOLOGICAL MECHANISMS OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE AND ITS RISK OF LUNG CANCER

Akhila Yerubandi*, Sivakshari Makkapati, Sreenu Thalla, Padmalatha Kantamneni

ABSTRACT

Chronic Obstructive Pulmonary Disease (COPD) is defined as the chronic lung disease which is progressive and irreversible obstruction of airway along with the episodes of acute exacerbations. It is a combination of Emphysema and Chronic Bronchitis. Lung cancer has become most leading cause of death in last few years. Squamous cell carcinoma is the COPD related type of cancer, which is most common type of lung cancer. COPD is the major health hazard affecting around 251 million people globally. Biological mechanisms include chronic inflammation, Oxidative stress and DNA damage and repair. Genetic mechanisms include genetic overlap, somatic mutations, DNA methylation, MicroRNA (miRNA) regulation and epigenetics. Formation of lung tumor is due to induction of various interleukins and cyclooxygenase -2. Oxidative stress has major role in lung cancer development. Reactive Oxygen Species (ROS) damages DNA and single strand breaks and sites are increased in COPD and the lung cancer. Somatic mutations may affect both lung cancer and COPD. Hyper methylation of both promoter and tumor suppressor genes occur in lung cancer. miRNA regulates about more than 60% of protein coding genes. DNA methylations and post-translational modifications of histones are observed in these changes. Biological mechanisms identified so far offers a target for development of particular therapeutic strategies that further improve the health of the patients.

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