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The phospholipase C b 3 gene located in the MEN 1 region shows loss of expression in endocrine tumors
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1994 (English)In: Human Molecular Genetics, ISSN 0964-6906, E-ISSN 1460-2083, Vol. 3, no 10, 1775-1781 p.Article in journal (Refereed) Published
Abstract [en]

Oncogenesis of tumours related to multiple endocrine neoplasia type 1 (MEN1) is associated with somatic deletions involving the MEN1 locus, suggesting inactivation of a tumour suppressor gene in this region. Identification of meiotic cross-overs in MEN1 families has placed the MEN1 locus centromeric of D11S807. An extended deletion mapping was performed in 27 primary parathyroid tumours, and identified D11S427 as the closest centromeric flanking marker. Through physical mapping using newly isolated cDNA clones, we estimated the distance between the flanking markers D11S807 and D11S427 to be less than 900 kb. One of these cDNA clones showed expression of a 4.4 kb message in multiple tissues, including those affected in MEN1, while in five endocrine tumours no transcript was detected. Sequence characterization showed that this gene encodes for the phospholipase C beta 3, a key enzyme in signal transduction.

Place, publisher, year, edition, pages
1994. Vol. 3, no 10, 1775-1781 p.
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Medical and Health Sciences
URN: urn:nbn:se:uu:diva-54634DOI: 10.1093/hmg/3.10.1775PubMedID: 7849701OAI: oai:DiVA.org:uu-54634DiVA: diva2:82543
Available from: 2008-10-17 Created: 2008-10-17 Last updated: 2012-02-21Bibliographically approved

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