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题目:: Expression of myeloid cell phenotypes by a novel adult T-cell leukemia/lymphoma cell line.
作者:: Koizumi(S),Iwanaga(M),Imai(S),Yamashiro(K),Mikuni(C),Abe(S),Kakinuma(M),Saito(N),Takami(T),Fukazawa(Y)
状态:: 发布时间1992-05-26 , 更新时间 2007-11-15
期刊:: J Natl Cancer Inst
摘要:: Human T-cell leukemia virus type 1 (HTLV-1) can infect a number of cells of different lineages in vitro, yet the immunophenotypes of most adult T-cell leukemia/lymphomas (ATLs) are restricted to CD4+. The apparent discrepancy between these findings is still largely unknown.,We report on a unique case of ATL in which the leukemia cells were positive for both T-cell and myeloid cell antigens. To characterize these cells, we isolated cell lines from this patient with ATL.,The fresh leukemia cells were cultured without the addition of interleukin-2. Cell cloning was carried out by limiting dilution.,A cell line (MU) and its clonal sublines were established. MU cells showed the same chromosomal abnormalities and T-cell receptor beta-chain gene rearrangement pattern as those of fresh leukemia cells. MU cells were exclusively positive for a myeloid cell marker (CD13) but not for T-cell markers, despite the presence of T-cell receptor gene rearrangement.,The established ATL cell line showed both T-cell and myeloid cell characteristics, which seems to be the first evidence for the close association of ATL cells with both lymphoid and myeloid features. The cell line may provide a new insight for the targets of HTLV-1 infection and transformation in vivo.
语言:: eng
DOI:

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