## Abstract Mutational analysis of __KRAS__ codons 12 and 13 is standard for patients with metastatic colorectal cancer since mutations in these codons predict lack of response to antiβEGFR therapies. However, even among patients whose tumors are wildtype for __KRAS__ codons 12 and 13, only a subse
BRAF and KRAS mutations in stomach cancer
β Scribed by Lee, Sug Hyung; Lee, Jong Woo; Soung, Young Hwa; Kim, Hong Sug; Park, Won Sang; Kim, Su Young; Lee, Jong Heun; Park, Jik Young; Cho, Yong Gu; Kim, Chang Jae
- Book ID
- 110067839
- Publisher
- Nature Publishing Group
- Year
- 2003
- Tongue
- English
- Weight
- 141 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0950-9232
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## Abstract Constitutive activation of the kinase cascade involving __RAS__, __RAF__, __MEK__ and __ERK__ is common to human cancers, and mutations of __KRAS__ and __BRAF__ are mutually exclusive and serve as alternatives to activate the RAS/RAF/ERK signaling pathway. __RAS__ mutations are known to
## Dear Sir, The RAS proteins participate in the RAS-RAF-MEK-ERK-MAPKinase pathway, which mediates cellular responses to growth signals. 1 There are 3 RAF genes, each encoding cytoplasmic serine/threonine kinases that are regulated by binding to RAS. 1,2 We have recently reported that BRAF is soma