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Title: Deregulated intracellular signaling by mutated c-CBL in myeloid neoplasms
Authors: Ogawa, S.
Shih, L.-Y.
Suzuki, T.
Otsu, M.
Nakauchi, H.
Koeffler, H.P. 
Sanada, M.
Issue Date: 1-Aug-2010
Citation: Ogawa, S., Shih, L.-Y., Suzuki, T., Otsu, M., Nakauchi, H., Koeffler, H.P., Sanada, M. (2010-08-01). Deregulated intracellular signaling by mutated c-CBL in myeloid neoplasms. Clinical Cancer Research 16 (15) : 3825-3831. ScholarBank@NUS Repository.
Abstract: c-CBL encodes a 120-kDa protein involved in intracellular signal transduction in a wide variety of cell types. Recently, frequent mutations of c-CBL have been reported in myeloid neoplasms showing both myelodysplastic and myeloproliferative features, in which most mutations are present in a homozygous state, as a result of allelic conversion in 11q. c-CBL has ubiquitin E3 ligase activity for a wide variety of tyrosine kinases, and thereby, negatively regulates tyrosine kinase signaling. Accordingly, c-CBL seems to have tumor suppressor functions, loss of which promotes tumorigenesis. On the other hand, once mutated, it is converted to an oncogenic protein and commits to myeloid leukemogenesis through a kind of gain of function causing aberrant signal transduction. The inhibition of mutant CBL protein or signaling pathways that it activates would have a role in therapeutics of myeloid neoplasms with CBL mutations. ©2010 AACR.
Source Title: Clinical Cancer Research
ISSN: 10780432
DOI: 10.1158/1078-0432.CCR-09-2341
Appears in Collections:Staff Publications

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