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Characterization of the soluble isoform of FAS protein (CD95) on cisplatin and apoptosis resistance in lung cancer cells using CRISPR technology

Grant number: 19/25731-4
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): February 01, 2020
Effective date (End): January 31, 2022
Field of knowledge:Health Sciences - Nutrition - Nutrition Biochemistry
Principal researcher:Fernando Moreira Simabuco
Grantee:Daniel Francisco Guimarães dos Santos Junior
Home Institution: Faculdade de Ciências Aplicadas (FCA). Universidade Estadual de Campinas (UNICAMP). Limeira , SP, Brazil
Associated research grant:18/14818-9 - Study of molecular targets important for the control of cancer metabolism: the mTOR/S6K pathway as a central role, AP.JP2

Abstract

Lung cancer affects millions of people around the world in recent years and has an extremely aggressive feature, being considered one of the most lethal types of cancer. The FAS protein is an apoptosis signaling protein that has been correlated with chemotherapy resistance in lung cancer. The aim of this study is to develop a specific knockout of soluble FAS protein isoform using CRISPR/Cas9 technology and to evaluate the development of cisplatin chemotherapy resistance in lung cancer cells. A549 lung cancer cells will be used, whether or not treated with cisplatin at a dose that generates drug resistance. Later, cancer-related cellular parameters will be evaluated, such as cell viability, proliferation, and apoptosis-associated cellular pathways through Western blotting. A CRISPR/Cas9 modified A549 cell line not significantly expressing the FAS soluble isoform is expected to be obtained, presenting increased sensitivity to cisplatin chemotherapy treatment. (AU)

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