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yin198716

新虫 (正式写手)

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However, JAG1 poorly activates Notch1, as modification of Notch by FRINGE glycosyltransferases favors activation by DLL4. Given that some DLL4 protein is detectable in stalk cells, JAG1 helps to maintain differential Notch activity by antagonizing DLL4 that signals back to tip cells.
Oncology
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lazybox

铁杆木虫 (初入文坛)

【答案】应助回帖

然而,JAG1几乎不激活Notch1,因为FRINGE糖基转移酶修饰的Notch更倾向于由DLL4激活。鉴于柄细胞中可检测到部分DLL4蛋白表达,JAG1可通过抑制DLL4反馈于顶端细胞的信号,以维持特定的(不同的?请结合上下文)Notch活性。
2楼2013-04-11 08:46:41
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wangxiaoli7787

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yin198716: 金币+10, 翻译EPI+1, 翻译到我心里了 谢谢 2013-04-11 13:40:33
由于DLL4更容易激活边缘糖基转移酶修饰的信号途径,因此,JAG1很难激活信号传导途径1。鉴于,在茎细胞中检测到了DLL4蛋白,说明JAG1可通过对抗DLL4的作用,而有助于保持多种信号激活途径,以使信号回到顶端细胞。
匍匐前进!
3楼2013-04-11 09:28:29
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