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Related Experiment Videos

Major histocompatibility complex (MHC)-linked genes affecting development.

T J Gill, S Siew, H W Kunz

    The Journal of Experimental Zoology
    |November 1, 1983
    PubMed
    Summary

    Genes influencing growth and development, similar to mouse t-complex and rat grc, may exist in humans. Evidence suggests these genes impact fertility, embryonic development, and are linked to the human leukocyte antigen (HLA) complex.

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    Area of Science:

    • Immunogenetics
    • Developmental Biology
    • Human Genetics

    Background:

    • The mouse t-complex and rat growth and reproduction complex (grc) are gene clusters affecting development and reproduction, linked to the major histocompatibility complex (MHC).
    • These complexes exhibit phenomena like segregation distortion, linkage disequilibrium, and recombination suppression.

    Purpose of the Study:

    • To investigate the potential existence and function of analogous gene complexes in humans.
    • To explore the association between human leukocyte antigen (HLA) and developmental/reproductive traits.

    Main Methods:

    • Review of studies on skeletal defects and HLA haplotypes.
    • Analysis of associations between HLA/complement haplotypes, male transmission ratios, linkage disequilibrium, and recombination suppression.

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  • Examination of homozygosity in isolated populations and couples with recurrent spontaneous abortions.

    • Main Results:

    • Suggestive evidence in humans includes links between skeletal defects and HLA, and associations with male transmission ratio and recombination suppression.
    • Lack of homozygotes for certain MHC-linked genes in the Kel Kummer Tuaregs population.
    • Increased HLA-D/DR and HLA-A homozygosity in couples with spontaneous abortions.

    Conclusions:

    • Human populations may harbor genes similar to the mouse t-complex and rat grc, influencing development and reproduction.
    • These putative human genes are likely linked to the HLA complex.
    • Further research is warranted to confirm the presence and function of these genes in human immunogenetics and reproductive health.