Requirement for tyrosine residues 315 and 319 within zeta chain-associated protein 70 for T cell development.

Requirement for tyrosine residues 315 and 319 within zeta chain-associated protein 70 for T cell development.
复制标题

DOI:
10.1084/jem.194.4.507
复制
发表时间:
2001-08-20
期刊:
The Journal of experimental medicine
影响因子:
--
通讯作者:
Chan AC
Chan AC
中科院分区:
其他
文献类型:
--
作者:
Gong Q;Jin X;Akk AM;Foger N;White M;Gong G;Bubeck Wardenburg J;Chan AC

文献摘要

参考文献

被引文献

相似文献

T细胞抗原受体(TCR)的结合诱导CD 4/8辅助受体相关的Lck PTK对70,000 Mr(ZAP-70)蛋白酪氨酸激酶(PTK)的β链相关蛋白的转磷酸化。ZAP-70的活化环内Tyr 493的磷酸化导致ZAP-70的酶促活化。ZAP-70内的另外的酪氨酸(Tyr)被磷酸化,其在TCR功能中发挥正和负调节作用。ZAP-70 PTK的结构域间B区域内Tyr残基(Tyr 315和319)的磷酸化在TCR接合后第二信使的产生中起重要作用。在这里,我们表明,这两个酪氨酸残基的磷酸化也发挥重要作用,在介导的积极和消极的选择T细胞在胸腺。
Engagement of the T cell antigen receptor (TCR) induces the transphosphorylation of the ζ chain–associated protein of 70,000 Mr (ZAP-70) protein tyrosine kinase (PTK) by the CD4/8 coreceptor associated Lck PTK. Phosphorylation of Tyr 493 within ZAP-70's activation loop results in the enzymatic activation of ZAP-70. Additional tyrosines (Tyrs) within ZAP-70 are phosphorylated that play both positive and negative regulatory roles in TCR function. Phosphorylation of Tyr residues (Tyrs 315 and 319) within the Interdomain B region of the ZAP-70 PTK plays important roles in the generation of second messengers after TCR engagement. Here, we demonstrate that phosphorylation of these two Tyr residues also play important roles in mediating the positive and negative selection of T cells in the thymus.
DOI: 10.1038/376435a0
发表时间: 1995-08-03
期刊: NATURE
影响因子: 64.8
作者:
NEGISHI, I;MOTOYAMA, N;LOH, DY
通讯作者: LOH, DY
DOI: 10.1073/pnas.94.18.9797
发表时间: 1997-09-02
影响因子: 11.1
作者:
Cheng, AM;Negishi, I;Pawson, T
通讯作者: Pawson, T
没有ZAP-70可阻止通过外周血T细胞上的抗原受体信号传导,但不能在胸腺细胞上发出信号。
DOI: 10.1084/jem.182.4.1057
发表时间: 1995-10-01
影响因子: 15.3
作者:
Gelfand, Erwin W.;Weinberg, Kenneth;Mazer, Bruce D.;Kadlecek, Theresa A.;Weiss, Arthur
通讯作者: Weiss, Arthur
DOI: 10.1038/335730a0
发表时间: 1988-10-20
期刊: NATURE
影响因子: 64.8
作者:
KISIELOW, P;TEH, HS;VONBOEHMER, H
通讯作者: VONBOEHMER, H
DOI: 10.1074/jbc.272.52.33140
发表时间: 1997-12-26
影响因子: 4.8
作者:
Lupher, ML;Zhou, SY;Band, H
通讯作者: Band, H