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- 积分
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- 威望
- 312
- 包包
- 719
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Cells can communicate with each other through the3 l" ^' y8 S# o* e9 Q
secretion of cytokines, small (8–30 kDa) soluble proteins.
6 X, _! j- G$ mTo date, roughly 20 cytokines have been identified. Upon: z4 X/ O8 {( R
binding their cognate receptors, receptor-associated Janus
; [& D$ ^" D# l6 W/ T* RKinases (JAKS) phosphorylate tyrosine residues of the( v! u8 a& Z; [( N* e
ligand-bound receptors, as well as interacting Signal9 x* R1 p8 g3 @1 y
Transducers and Activators of Transcription (STATs).Tyrosine phosphorylated STATs form homodimers, shuttle
8 _$ v2 R/ r& e# W! N7 Zto the nucleus and participate in transcriptional regulation y- l! r8 G( h
of a variety of genes; S7 [' J. j/ G5 a4 O
/ O; V% B; ?1 N3 A
我标记的这一句,是什么意思呢 ,为什么我连语法结构都分析不过来呢,总感觉少了点什么!希望热心人给予解答! |
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