Investigation of BCL-2 proteins in TH17 cell functions için kapak resmi
Investigation of BCL-2 proteins in TH17 cell functions
Başlık:
Investigation of BCL-2 proteins in TH17 cell functions
Yazar:
Çimen, Tuğçe, author.
Yazar Ek Girişi:
Fiziksel Tanımlama:
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Özet:
Interleukin 17 producing T helper 17 cells are the distinct subset of CD4􀎆 T cells. Th17 cells are an important part of the immune response of host defense. Dysregulation of Th17 cells plays a role in various pathologies including autoimmune diseases and cancer types. Bcl-2 family proteins are mostly known regulators of apoptotic cell death. The apoptotic and survival mechanisms of Th17 cells are not well known yet. Therefore, this study aims to investigate Bcl-2 protein family functions in Th17 cell survival and to understand the regulation network of apoptotic mechanisms of Th17 cells. To do that, Peripheral Blood Mononuclear Cells were isolated from a healthy buffy coat by Ficoll separation. Naive T cells were sorted from PBMC and cultured under Th17 polarizing conditions. Th17 cells were phenotypically characterized by flow cytometry. Afterward, cell lysates were obtained from Th0 and Th17 cells at different time points. The expressions of human transcription factor RORC2, proapoptotic Bik, Bid, Puma and Bim and, antiapoptotic Mcl-1 and Bcl-xL at cell groups were detected by Westernblotting. The increased expressions of Bcl-xL and Mcl-1 were detected where the diminished expressions of Bim and Puma were detected in proportional with Th17 differentiation by increased RORC2 and elevated RORC/IL17A levels. Bik was undetectable in both cell groups while non-truncated isoform of Bid was barely decreased among cell groups. Outputs of this study allow us to understand the dynamics of Bcl-2 family proteins in human Th17 cell survival. The understanding roles of Bcl-2 proteins in Th17 cells may help to develop different therapeutics for Th17 associated diseases in the future.
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Tek Biçim Eser Adı:
Thesis (Master)--İzmir Institute of Technology:Molecular Biology and Genetics.

İzmir Institute of Technology: Molekular Biology and Genetics --Thesis (Master).
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