An intragenic deletion of the gene MNAT1 in a family with pectus deformities.

Pectus carinatum and excavatum have multiple genetic associations. We report on a novel association of these deformities in a 34-month-old male and his father, likely due to a small intragenic deletion of MNAT1 (ménage a trois 1 gene). Both individuals share a deletion of MNAT1 located at 14q23.1 and an interstitial duplication of CHRNA7 located at 15q13.3. Deletion of MNAT1 has been associated with connective tissue abnormalities and is likely the etiology of the malformations, whereas the duplication of CHNRA7 is unlikely related due to the lack of association with any such connective tissue abnormalities. © 2014 Wiley Periodicals, Inc.

Citation

Jennifer L Heithaus, Sandra Davenport, Kimberly A Twyman, Erin E Torti, Jacqueline R Batanian. An intragenic deletion of the gene MNAT1 in a family with pectus deformities. American journal of medical genetics. Part A. 2014 May;164A(5):1293-7

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PMID: 24664931

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