Human genetics of atrioventricular septal defect

    Research output: Chapter in Book/Report/Conference proceedingChapter

    Abstract

    Atrioventricular septal defects (AVSD), also known as a common atrioventricular canal (CAVC), are clinically severe heart malformations that affect about 1 out of every 2,100 live births. AVSD is associated with cytogenetic disorders, such as Down syndrome and numerous rare genetic syndromes, but also occurs as a simplex trait. Studies in mouse models have identified over 100 genetic mutations that have the potential to cause an AVSD. However, studies in humans indicate that AVSD is genetically heterogeneous and that the cause in humans is very rarely a single-gene defect. Familial cases do occur, usually with autosomal dominant inheritance, and the mutations identified in those families suggest biochemical pathways of interest. In addition, the frequent occurrence of AVSD in some syndromes, such as heterotaxy syndrome, points to additional genes/pathways that increase AVSD risk. Accordingly, while the genetic underpinnings for most AVSD remain unknown, there have been advances in identifying genetic risk factors for AVSD in both syndromic and nonsyndromic cases. This chapter summarizes the current knowledge of the genetic basis for AVSD.

    Original languageEnglish (US)
    Title of host publicationCongenital Heart Diseases: The Broken Heart: Clinical Features, Human Genetics and Molecular Pathways
    PublisherSpringer-Verlag Wien
    Pages349-356
    Number of pages8
    ISBN (Electronic)9783709118832
    ISBN (Print)9783709118825
    DOIs
    StatePublished - Jan 1 2015

    Fingerprint

    Medical Genetics
    Defects
    Heterotaxy Syndrome
    Genes
    Atrioventricular Septal Defect
    Genetics
    Mutation
    Inborn Genetic Diseases
    Congenital Heart Defects
    Live Birth
    Down Syndrome
    Cytogenetics
    Canals

    Keywords

    • Atrioventricular septal defect
    • AVSD
    • CHARGE syndrome
    • CRELD1
    • Cysteine-rich protein with EGF-like domain 1
    • Down syndrome
    • Ellis-van Creveld syndrome
    • GATA5
    • Heterotaxy syndrome
    • Holt-Oram syndrome
    • Ivemark syndrome
    • Kaufman-McKusick syndrome
    • Noonan syndrome
    • NR2F2
    • Trisomy 21
    • Vascular endothelial growth factor A
    • VEGFA

    ASJC Scopus subject areas

    • Biochemistry, Genetics and Molecular Biology(all)
    • Medicine(all)

    Cite this

    Maslen, C. (2015). Human genetics of atrioventricular septal defect. In Congenital Heart Diseases: The Broken Heart: Clinical Features, Human Genetics and Molecular Pathways (pp. 349-356). Springer-Verlag Wien. https://doi.org/10.1007/978-3-7091-1883-2_26

    Human genetics of atrioventricular septal defect. / Maslen, Cheryl.

    Congenital Heart Diseases: The Broken Heart: Clinical Features, Human Genetics and Molecular Pathways. Springer-Verlag Wien, 2015. p. 349-356.

    Research output: Chapter in Book/Report/Conference proceedingChapter

    Maslen, C 2015, Human genetics of atrioventricular septal defect. in Congenital Heart Diseases: The Broken Heart: Clinical Features, Human Genetics and Molecular Pathways. Springer-Verlag Wien, pp. 349-356. https://doi.org/10.1007/978-3-7091-1883-2_26
    Maslen C. Human genetics of atrioventricular septal defect. In Congenital Heart Diseases: The Broken Heart: Clinical Features, Human Genetics and Molecular Pathways. Springer-Verlag Wien. 2015. p. 349-356 https://doi.org/10.1007/978-3-7091-1883-2_26
    Maslen, Cheryl. / Human genetics of atrioventricular septal defect. Congenital Heart Diseases: The Broken Heart: Clinical Features, Human Genetics and Molecular Pathways. Springer-Verlag Wien, 2015. pp. 349-356
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