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Expression of Heat Shock Proteins 70 in tobacco users

Grant number: 14/17983-0
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): July 01, 2015
Effective date (End): June 30, 2018
Field of knowledge:Health Sciences - Nursing
Acordo de Cooperação: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal Investigator:Ilda de Godoy
Grantee:Thyego Mychell Moreira Santos
Host Institution: Faculdade de Medicina (FMB). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil
Associated scholarship(s):17/11217-1 - Expression of the Heat Shock Proteins 70 in tobacco users: Methodological standardization, updating of knowledge, learning of new techniques and professional improvement., BE.EP.DR


Smoking is an important factor for developing various diseases and considered one of the most important public health problems. The mortality attributable to cigarette reaches almost six million a year, representing 10 thousand deaths per day. This mainly occurs the effects toxic, mutagenic and carcinogenic caused by the use of cigarettes. In response to cigarette smoke products occurs apoptosis and necrosis of lung cells, generating oxidative stress, with consequent inflammatory process lead the tissue injury and dysfunction. This inflammation leads to constant aggression and changes of lung tissues through cumulative exposure to the cigarette smoke that increase of immune cells, and imbalance in cytokine production. Inside that process also occurs stimulation of Heat Shock Proteins 70 (HSP 70), depending on the stimulus has different functions, and can act within or outside the cell. In the extracellular environment, HSP70 stimulates the synthesis of other cells, proinflammatory cytokines which will act like chemotaxis and deleterious effects for lung tissue. So, the objective of this study is to assess the levels of HSP 70 in peripheral blood and its gene expression in smokers and compared with healthy controls. By means of the immunoenzymatic test (ELISA) and Real-time PCR. The mechanisms by which cigarette smoke stimulates the inflammatory process and developing pulmonary diseases such as COPD are not fully understood, therefore this study will contribute to understand this process and can allow the identification of risk factors in smokers. (AU)

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Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
SANTOS, Thyego Mychell Moreira. Expression of Heat Shock Protein 70 in tobacco users. 2018. Doctoral Thesis - Universidade Estadual Paulista (Unesp). Faculdade de Medicina. Botucatu Botucatu.

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