Wednesday 14 April 2004
Ras genes are the most common targets for somatic gain-of-function mutations in human cancer. Many of these mutant alleles encode proteins with aberrant biochemical and functional properties.
- colorectal adenocarcinoma
- bladder carcinoma
- thyroid follicular carcinoma
Germline mutations that affect components of the Ras-Raf-mitogen-activated and extracellular-signal regulated kinase kinase (MEK)-extracellular signal-regulated kinase (ERK) pathway were shown to cause several developmental disorders, including Noonan, Costello and cardio-facio-cutaneous syndromes.
germline mutations in Costello syndrome
- Costello syndrome is a multiple congenital anomaly and mental retardation syndrome characterized by coarse face, loose skin, cardiomyopathy and predisposition to tumors.
- germline mutations in HRAS perturb human development and increase susceptibility to tumors.
Aoki Y, Niihori T, Kawame H, Kurosawa K, Ohashi H, Tanaka Y, Filocamo M, Kato K, Suzuki Y, Kure S, Matsubara Y. Germline mutations in HRAS proto-oncogene cause Costello syndrome. Nat Genet. 2005 Oct;37(10):1038-40. PMID: 16170316
Parton RG, Hancock JF. Lipid rafts and plasma membrane microorganization: insights from Ras. Trends Cell Biol. 2004 Mar;14(3):141-7. PMID: 15003623