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논문 기본 정보

자료유형
학술저널
저자정보
Minha Kim (Inha University) So-Dam Kim (Sookmyung Women’s University) Kyoung In Kim (Kyung Hee University) 전은혜 (인하대학교) Min Gee Kim (Sookmyung Women’s University) Yu-Ree Lim (Inha University) Enkhmaa Lkhagva-Yondon (Inha University) Yena Oh (Inha University) Kwangmin Na (Inha University) Young Cheul Chung (Kyung Hee University) Byung Kwan Jin (Kyung Hee University) 송윤선 (숙명여자대학교) Myung Shin Jeon (Inha University)
저널정보
한국뇌신경과학회 Experimental Neurobiology Experimental Neurobiology Vol.30 No.2
발행연도
2021.1
수록면
155 - 169 (15page)

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Stroke causes systemic immunosuppression. T lymphocytes are involved in infarct size in the early stages of stroke. However, the phenotypes of T lymphocytes and their functions in peripheral immune organs and the brain have not been well analyzed in the acute and chronic phases of stroke. Here, we investigated pathological phenotypic alterations in the systemic immune response, especially changes in T lymphocytes, from one day to six months after ischemic stroke in mice. Impairment in thymocyte numbers, development, proliferation, and apoptosis were observed for up to two weeks. The number of mature T cells in the spleen and blood decreased and showed reduced interferon-γ production. Increased numbers of CD4- CD8- CD3+ double-negative T cells were observed in the mouse brain during the early stages of stroke, whereas interleukin (IL)-10+ Foxp3+ regulatory T lymphocytes increased from two weeks during the chronic phase. These phenotypes correlated with body weight and neurological severity scores. The recovery of T lymphocyte numbers and increases in IL-10+ Foxp3+ regulatory T lymphocytes may be important for long-term neurological outcomes. Dynamic changes in T lymphocytes between the acute and chronic phases may play different roles in pathogenesis and recovery. This study provides fundamental information regarding the T lymphocyte alterations from the brain to the peripheral immune organs following stroke.

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