A heterozygous frameshift mutation in exon 1 of CDKN1B gene in a patient affected by MEN4 syndrome

Abstract excerpt

OBJECTIVE: Multiple endocrine neoplasia type 4 (MEN4) is an autosomal dominant disorder that presents with a spectrum of clinical manifestations overlapping with those of MEN1 syndrome. It is caused by inactivating mutations of the CDKN1B gene, encoding for p27(kip1) cyclin-dependent kinase 2 inhibitor, implicated in cell cycle control. Eight mutations of CDKN1B in MEN4 patients have been published so far. The...

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