tailieunhanh - Summary of Biotechnology doctoral thesis: Investigation on the regulatory role of A20 gene and molecular mechanisms involved in controlling dendritic cell physiology

The objectives of the thesis: Investigate the role of A20 in regulating four physiological functions of DCs including maturation, cytokine secretion, migration and apoptosis; investigate the effect of A20 on the regulating three molecular signals including NF-κB, STAT1 and STAT3 related to the physiological process of DCs. | MINISTRY OF EDUCATION VIETNAM ACADEMY OF AND TRAINING SCIENCE AND TECHNOLOGY GRADUATE UNIVERSITY SCIENCE AND TECHNOLOGY ----------------------------- Nguyen Thu Thuy INVESTIGATION ON THE REGULATORY ROLE OF A20 GENE AND MOLECULAR MECHANISMS INVOLVED IN CONTROLLING DENDRITIC CELL PHYSIOLOGY Major Biotechnology Code 9 42 02 01 SUMMARY OF BIOTECHNOLOGY DOCTORAL THESIS Hanoi - 2020 This work was completed Graduate University Science and Technology - Vietnam Academy of Science and Technology Supervisor 1 Dr. Nguyen Thi Xuan PhD Institute of Genetics Supervisor 2 Dr. Hoang Van Tong PhD Vietnam Military Medical University Committee member 1 Committee member 2 Committee member 3 . This work will be defended at Graduate University Science and Technology - Vietnam Academy of Science and Technology 1 INTRODUCTION 1. The urgency of the thesis A20 or tumor necrosis factor α-induced protein 3 - TNFAIP3 is considered as a negative regulator of nuclear factor NF-κB-dependent functions of many different cell types in response to lipopolysaccharide LPS and inflammatory cytokines. In mice deficiency of A20 leads to hyperactivation of immune cells and autoimmune diseases. A20-deficient mice display severe inflammation mortality cachexia and premature mortality. Mice lacking A20 in dendritic cells fail to LPS tolerance as they die within 6 hours after injection of LPS. In humans A20 also plays an important role in inhibiting inflammatory diseases and cancers. An inactivated expression of A20 is found frequently in leukemia. However the effect of A20 on the pathogenesis of diseases is not understood. Dendritic cells DCs are professional antigen-presenting cells APCs originated from a common bone marrow progenitor and involved in the induction of T cell-mediated adaptive immunity. The two major subsets of DCs including plasmacytoid DCs pDCs and conventional DCs cDCs subdivided into CD8DCs and CD11bDCs express different toll-like receptors TLRs therefore play distinct roles in immunity .

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