
Overview:
RYK or receptor-like tyrosine kinase is an atypical member of the family of growth factor receptor protein tyrosine kinases. RYK differs from other receptor tyrosine kinases at a number of conserved residues in the activation and nucleotide binding domains (1). RYK has a leucine-rich extracellular domain with a WIF-type Wnt binding region, a single transmembrane domain, and an intracellular tyrosine kinase domain. RYK is involved in stimulating Wnt signaling pathways such as the regulation of axon path finding (2).
Gene Aliases:
D3S3195; JTK5; JTK5A; RYK1
Genbank Number:
NM_001005861
References:
1. Katso, R. M. et.al: Functional analysis of H-Ryk, an atypical member of the receptor tyrosine kinase family. Molec. Cell. Biol. 19: 6427-6440, 1999. 2. Lu, W. et.al: Mammalian Ryk is a Wnt coreceptor required for stimulation of neurite outgrowth. Cell 119: 97-108, 2004.
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植物材料 用最精确的方法,称取不超过100mg的植物材料,置于处理过的研钵,加入液氮进行研磨 将研磨得到的粉末,快速转移至无RNase,并经过液氮冷却的2mL离心管(自备),
但是,这样做的前提的,RNA提得要好,浓度要高,这样免得RNA降解到不能用了。因为在有二价阳离子的(DNAseI buffer含有)情况下,RNA在60度以上时必然发生非酶促降解。
想搞清一个问题,如何区别是因为small RNA 引起的调控呢?还是tRNA引起的调控,有没有有效的分离这两种RNA的办法呢?
样品处理:
a. 植物组织:取新鲜或-70℃冻存100mg组织在液氮中研磨,把粉末加入到1ml裂解液中混匀。
b. 动物组织:取新鲜或-70℃冻存100mg组织加1ml裂解液,用组织研磨杵或匀浆器匀浆处理。
c. 贴壁细胞:直接在培养板中加入裂解液裂解细胞,每106细胞加1ml 裂解液。用取样器吹打混匀。

