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小鼠骨髓中前体细胞向胸腺来源细胞的分化。

Differentiation of thymus-derived cells from precursors in mouse bone marrow.

作者信息

el-Arini M O, Osoba D

出版信息

J Exp Med. 1973 Mar 1;137(3):821-37. doi: 10.1084/jem.137.3.821.

Abstract

An experimental model system was developed to study the differentiation of thymus-derived (T) cells from progenitors in bone marrow. In this system transplantation of bone marrow cells depleted of T cells gave rise to T cells in the spleens of irradiated recipients within 15 days of transplantation. Thus, normal bone marrow contains a class of cells that are progeniotrs of T cells (PT cells). PT cells are different from T cells since PT cells are incapable of responding to alloantigen, are theta resistant, and band in a lighter density region than do T cells. The density profile of PT cells is different from that of hematopoietic stem cells (CFU-S); PT cells band in a denser region of the gradient than do CFU-S.

摘要

为了研究骨髓中祖细胞向胸腺来源(T)细胞的分化,开发了一种实验模型系统。在该系统中,去除T细胞的骨髓细胞移植后,在移植后15天内,受照射受体的脾脏中产生了T细胞。因此,正常骨髓中含有一类细胞,即T细胞祖细胞(PT细胞)。PT细胞与T细胞不同,因为PT细胞不能对同种异体抗原作出反应,具有θ抗性,并且在密度比T细胞更轻的区域形成条带。PT细胞的密度分布与造血干细胞(CFU-S)不同;PT细胞在梯度密度的较密区域形成条带,而CFU-S则不然。

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