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논문 기본 정보

자료유형
학술저널
저자정보
Jaeho Lee (Yonsei University) Yu Ri Choi (Yonsei University) Miso Kim (Yonsei University) Jung Mi Park (Yonsei University) Moonjong Kang (Yonsei University) Jaewon Oh (Yonsei University College of Medicine) Chan Joo Lee (Yonsei University College of Medicine) Sungha Park (Yonsei University College of Medicine) Seok-Min Kang (Yonsei University College of Medicine) Ichiro Manabe (Chiba University Graduate School of Medicine) Soo-jin Ann (Yonsei University College of Medicine) Sang-Hak Lee (Yonsei University College of Medicine)
저널정보
대한생화학·분자생물학회 BMB Reports BMB Reports 제54권 제5호
발행연도
2021.1
수록면
278 - 283 (6page)

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초록· 키워드

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Our understanding of the differential effects between specific omega-3 fatty acids is incomplete. Here, we aimed to evaluate the effects of docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) on T-helper type 1 (Th1) cell responses and identify the pathways associated with these responses. Naive CD4+ T cells were co-cultured with bone marrow-derived dendritic cells (DCs) in the presence or absence of palmitate (PA), DHA, or EPA. DHA or EPA treatment lowered the number of differentiated IFN-γ-positive cells and inhibited the secretion of IFN-γ, whereas only DHA increased IL-2 and reduced TNF-α secretion. There was reduced expression of MHC II on DCs after DHA or EPA treatment. In the DC-independent model, DHA and EPA reduced Th1 cell differentiation and lowered the cell number. DHA and EPA markedly inhibited IFN-γ secretion, while only EPA reduced TNF-α secretion. Microarray analysis identified pathways involved in inflammation, immunity, metabolism, and cell proliferation. Moreover, DHA and EPA inhibited Th1 cells through the regulation of diverse pathways and genes, including Igf1 and Cpt1a. Our results showed that DHA and EPA had largely comparable inhibitory effects on Th1 cell differentiation. However, each of the fatty acids also had distinct effects on specific cytokine secretion, particularly according to the presence of DCs.

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