
Overview:
YES1 is the cellular homolog of the Yamaguchi sarcoma virus oncogene that has tyrosine kinase activity and belongs to the SRC family. YES1 lies in close proximity to thymidylate synthase gene on chromosome 18 and chromosome 22 (1). The activation of YES1 may play a significant role in the malignant transformation of hepatocytes, and is important for maintaining embryonic stem cells in an undifferentiated state. YES1 is a useful marker to detect early-stage hepatocellular carcinoma, and it plays a key role in the tumorigenesis and metastasis of gastric cancer. YES1 induction results in increased cancer cell motility suggesting that YES1 may promote cancer spread and metastasis rather than tumor growth (2).
Gene Aliases:
Yes, c-yes, HsT441, P61-YES
Genbank Number:
NM_005433
References:
1. Silverman, G. et.al: Chromosomal reassignment: YACs containing both YES1 and thymidylate synthase map to the short arm of chromosome 18. Genomics 15: 442-445, 1993. 2. Barraclough, J. et al: Increases in c-Yes expression level and activity promote motility but not proliferation of human colorectal carcinoma cells. Neoplasia. 2007 Sep;9(9):745-54.
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实验非常不顺,想构建CDNA文库,但是从mRNA开始屡次失败,考虑主要是纯化过程中损失过多。想从总RNA入手,但是不知道实验步骤。不知那位大侠能提供总RNA建库的实验步骤。另外我现在手头有OligoDT,RT酶,苦于没有第二连合成试剂盒,不知道能否用普通PCR试剂盒Teq酶替代第二链合成过程中的DNA聚合酶I。好像有种方法合成第二链时,不需要另外的引物,利用降解的RNA作引物即可,我想直接设定PCR两个循环,合成第二链,不知方法可行否?愁啊,等着毕业,时间紧急,恳请帮忙。谢谢。

