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. 2010 Mar 5;123(5):569-73.

Mutation analysis in a Chinese family with multiple endocrine neoplasia type 1

Affiliations
  • PMID: 20367983

Mutation analysis in a Chinese family with multiple endocrine neoplasia type 1

Bing-bing Zha et al. Chin Med J (Engl). .

Abstract

Background: Multiple endocrine neoplasia type 1 (MEN1) is an autosomal dominant cancer syndrome which is caused by germline mutations of the tumor suppressor gene MEN1. This study aimed to identify mutations in a Chinese pedigree with MEN1.

Methods: A large Chinese family with MEN1 was collected. All of the coded regions and their adjacent sequences of the MEN1 gene were amplified and sequenced.

Results: In this family, a heterozygous cytosine insertion in exon 10 (c.1546_1547insC) inducing a frame shift mutation of MEN1 was found in the proband and the other two suffering members of his family. This mutation was linked to a novel single nucleotide polymorphism (SNP) in intron 3 (IVS3 + 18C > T).

Conclusions: The mutation in exon 10 of MEN1 gene might induce development of parathyroid hyperplasia and pituitary adenoma and cosegregate with MEN1 syndrome. The significance of the new found IVS3 + 18C > T of MEN1 needs a further investigation.

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