Mutated MCM9 is associated with predisposition to hereditary mixed polyposis and colorectal cancer in addition to primary ovarian failure

Yael Goldberg*, Naama Halpern, Ayala Hubert, Samuel N. Adler, Sherri Cohen, Morasha Plesser-Duvdevani, Orit Pappo, Avraham Shaag, Vardiella Meiner

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

52 Scopus citations

Abstract

Mutations in MCM9, which encodes DNA helicase, were recently shown to cause a clinical phenotype of primary ovarian failure and chromosomal instability. MCM9 plays an essential role in homologous recombination-mediated double-strand break repair. We describe a multiplex family with early colorectal carcinoma and mixed polyposis associated with primary hypergonadotropic hypogonadism. A combination of whole genome homozygosity mapping as well as exome sequencing and targeted gene sequencing identified a homozygous c.672_673delGGinsC mutation that predicts a truncated protein, p.Glu225Lysfs*4. Our data expand the phenotypic spectrum of MCM9 mutations and suggest a link between MCM9 and inherited predisposition to mixed polyposis and early-onset colorectal cancer.

Original languageEnglish
Pages (from-to)621-624
Number of pages4
JournalCancer genetics
Volume208
Issue number12
DOIs
StatePublished - 1 Dec 2015
Externally publishedYes

Funding

FundersFunder number
Israel Cancer AssociationILS20100104

    Keywords

    • Chromosomal instability
    • Colorectal cancer
    • DNA helicase MCM9
    • Hereditary mixed polyposis
    • Primary ovarian failure

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