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Mta是小鼠的一种母系遗传细胞表面抗原,通过卵子传递。

Mta, a maternally inherited cell surface antigen of the mouse, is transmitted in the egg.

作者信息

Lindahl K F, Bürki K

出版信息

Proc Natl Acad Sci U S A. 1982 Sep;79(17):5362-6. doi: 10.1073/pnas.79.17.5362.

Abstract

Mta is a maternally transmitted cell surface antigen found in most mouse strains. It serves as a target for unrestricted T killer cells. All 49 embryos transferred between positive and negative mothers, even as early as 10-15 hr after fertilization, developed into mice with the Mta type of their original mothers. Therefore the genetic element that determines expression of Mta must be transmitted by the egg. Mta+ and Mta- lymphocytes, coexisting for months in lethally irradiated F1 mice reconstituted with a mixture of parental bone marrow cells, retained their Mta type. Thus Mta does not spread by infection.

摘要

Mta是一种在大多数小鼠品系中发现的母系传播的细胞表面抗原。它是不受限制的T杀伤细胞的靶标。在阳性和阴性母亲之间转移的所有49个胚胎,即使在受精后10 - 15小时这么早的时候,都发育成具有其原始母亲Mta类型的小鼠。因此,决定Mta表达的遗传元件必定由卵子传递。Mta +和Mta -淋巴细胞,在用亲本骨髓细胞混合物重建的致死性照射的F1小鼠中共存数月,保持它们的Mta类型。因此,Mta不会通过感染传播。

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