Natural killer 1.1(+) alpha beta T cells in the periimplantation uterus.

Natural killer 1.1(+) alpha beta T cells in the periimplantation uterus.
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围着床子宫中的自然杀伤剂 1.1( ) αβ T 细胞。

DOI:
10.1046/j.1365-2567.2000.t01-1-00129.x
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发表时间:
2000
期刊:
影响因子:
6.4
通讯作者:
Heyborne,KD
Heyborne,KD
中科院分区:
医学2区
文献类型:
--
作者:
Dang,Y;Beckers,J;Wang,CR;Heyborne,KD

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当发育中的胚胎植入子宫壁时,驻留的母体免疫细胞可能会遇到存在于胎儿组织上的抗原。随后发生的母体免疫反应的性质和成分及其调节,对理解正常和异常妊娠具有相当大的意义。在这里,我们报告了自然杀伤(NK)1.1+αβ T细胞在小鼠围着床期子宫的存在。这些细胞在妊娠早期占T细胞和自然杀伤细胞群体的很大一部分,而它们在非妊娠子宫和妊娠后期的数量大大减少。表型上,这些NK 1.1 +αβ T细胞属于先前描述的携带Vα14-Jα281编码的T细胞受体的细胞亚群。与其他器官不同的是,在胎盘/蜕膜中发现了CD 4+和CD 4 −/CD 8 −NK1.1+αβ T细胞,胎盘/蜕膜中似乎完全是CD 4 −/CD 8 −。胎盘/蜕膜群体的Vβ库也与其他器官不同,大多数细胞表达Vβ3。这些特点共同表明了地方发展的可能性。已知NK 1.1 +αβ T细胞识别I类CD 1分子。与这种关联一致,我们证明了妊娠子宫内组织的CD 1表达。我们的研究结果定义了NK1.1+αβ T细胞可能发挥作用的额外器官特异性免疫环境,并继续证明妊娠期间母体宫内免疫系统的特化性质。
When the developing embryo implants into the uterine wall, resident maternal immune cells may encounter antigens present on the fetal tissues. The nature and constituents of the ensuing maternal immune response, and its regulation, are of considerable interest in understanding normal and abnormal pregnancy. Here, we report the presence of natural killer (NK)1.1+αβ T cells in the murine periimplantation uterus. These cells account for a large portion of both the T‐cell and natural killer cell populations in early pregnancy, while their numbers in the non‐pregnant uterus and later in pregnancy are greatly reduced. Phenotypically, these NK1.1+αβ T cells belong to a previously described subset of cells that bear a Vα14‐Jα281‐encoded T‐cell receptor. Unlike other organs, where both CD4+and CD4−/CD8−NK1.1+αβ T cells are found, the placental/decidual population appears to be entirely CD4−/CD8−. The Vβ repertoire of the placental/decidual population is also altered from that of other organs, with a majority of cells expressing Vβ3. Together, these features suggest the possibility of local development. NK1.1+αβ T cells are known to recognize the class I‐like CD1 molecule. Consistent with this association, we demonstrate CD1 expression by tissues within the pregnant uterus. Our findings define an additional organ‐specific immune environment where NK1.1+αβ T cells may play a role, and continue to demonstrate the specialized nature of the maternal intrauterine immune system during pregnancy.
DOI: 10.1038/360593a0
发表时间: 1992-12-10
期刊: NATURE
影响因子: 64.8
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主要组织相容性复合体 I 类相关分子控制小鼠肝脏中自然杀伤 1.1+ T 细胞受体-α/β+ 细胞的 CD4+8- 和 CD4-8- 亚群的发育。
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发表时间: 1994-08-01
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