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pubmed:abstractText |
A novel widely expressed homologue of the VAV oncogene, VAV2 (53% identical residues), has been identified within the critical region for the tuberous sclerosis gene, TSC1, on human chromosome 9q34. By Southern blot analysis, analysis of allele-specific transcription, and direct sequencing of the VAV2 mRNA/cDNA from patient lymphoblastoid cell lines, we demonstrate that both alleles of this gene are expressed in TSC patients and there are no significant mutations. VAV consists of a novel array of signalling domains and is thought to play an important role in signal transduction in haematopoietic tissues where it is exclusively expressed. VAV2 is likely to serve a similar role more generally in mammalian cells, but is not the TSC1 gene.
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pubmed:affiliation |
Division of Experimental Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA.
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pubmed:publicationType |
Journal Article,
Comparative Study,
Research Support, U.S. Gov't, P.H.S.,
Research Support, Non-U.S. Gov't
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