The TSC1-TSC2 complex functions as GTPase activating protein against Rheb - a Ras-like small GTPase, which in turn regulates TOR signaling in nutrient-stimulated cell growth.
germline mutations in tuberous sclerosis
somatic mutations in tumors
See also
FRAP1 (mTOR)
tuberous sclerosis
Locus TSC2 (MIM.191092) at 16p13.3
Locus TSC3 at 12q14 (MIM.191091)
Locus TSC4 (MIM.191090)
References
Findlay GM, Harrington LS, Lamb RF. TSC1-2 tumour suppressor and regulation of mTOR signalling: linking cell growth and proliferation? Curr Opin Genet Dev. 2005 Feb;15(1):69-76. PMID: #15661536#
Inoki K, Corradetti MN, Guan KL. Dysregulation of the TSC-mTOR pathway in human disease. Nat Genet. 2005 Jan;37(1):19-24. PMID: #15624019#
Fingar DC, Blenis J. Target of rapamycin (TOR): an integrator of nutrient and growth factor signals and coordinator of cell growth and cell cycle progression. Oncogene. 2004 Apr 19;23(18):3151-71. PMID: #15094765#
Pan D, Dong J, Zhang Y, Gao X. Tuberous sclerosis complex: from Drosophila to human disease. Trends Cell Biol. 2004 Feb;14(2):78-85. PMID: #15102439#
Yeung RS. Multiple roles of the tuberous sclerosis complex genes. Genes Chromosomes Cancer. 2003 Dec;38(4):368-75. PMID: #14566857#