G2Cdb::Allele report

Mutation type

Altered genes (1)

Gene Symbol Species Description
G00001604 PLCB1 Homo sapiens phospholipase C, beta 1 (phosphoinositide-specific)

Diseases (1)

Disease Description Nervous effect
D00000138 Multiple endocrine neoplasia type I N

Literature (1)

Pubmed - human_disease

  • Exclusion of the phosphatidylinositol-specific phospholipase C beta 3 (PLC beta 3) gene as candidate for the multiple endocrine neoplasia type 1 (MEN 1) gene.

    de Wit MJ, Landsvater RM, Sinke RJ, Geurts van Kessel A, Lips CJ and Höppener JW

    Department of Internal Medicine, University Hospital Utrecht, The Netherlands.

    Multiple endocrine neoplasia type 1 (MEN 1) is inherited as an autosomal dominant disorder, characterized by hyperplasia and neoplasia in several endocrine organs. The MEN 1 gene, which is most probably a tumor suppressor gene, has been localized to a 900-kb region on chromosome 11q13. The human phosphatidylinositol-specific phospholipase C beta 3 (PLC beta 3) gene, which is located within this region, was considered to be a good candidate for the MEN 1 gene. In this study, the structure and expression of the PLC beta 3 gene in MEN 1 patients were investigated in more detail, to determine its potential role in MEN 1 tumorigenesis. Southern blot analysis, using blood and tumor DNA from affected persons from seven different MEN 1 families, did not reveal structural abnormalities in the PLC beta 3 gene. To detect possible point mutations, or other small structural aberrations, direct sequencing of PLC beta 3 cDNAs from two affected persons from two different MEN 1 families was performed, but no MEN 1-specific abnormalities were revealed. Several common nucleotide sequence polymorphisms were detected in these cDNAs, proving that both alleles of the PLC beta 3 gene were expressed and analyzed. In conclusion, these results exclude the PLC beta 3 gene as a candidate gene for MEN 1.

    Human genetics 1997;99;1;133-7

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EUROSPIN (FP7-HEALTH-241498), SynSys (FP7-HEALTH-242167) and GENCODYS (FP7-HEALTH-241995).

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