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Related Experiment Videos

[The human genome--chromosome 14]

R Brdicka

    Casopis Lekaru Ceskych
    |July 12, 1995
    PubMed
    Summary

    Special gene configurations in T lymphocyte receptor and immunoglobulin loci, and on chromosome 14, are linked to cellular function and disease, including cardiomyopathies and organ development.

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    Area of Science:

    • Genetics
    • Molecular Biology
    • Immunology

    Context:

    • Ribosomal RNA (rRNA) genes exhibit tandem-like configurations.
    • Unique gene arrangements are observed in T lymphocyte receptor (TCR) and immunoglobulin heavy chain (IGH) loci.
    • Mature lymphocytes show reduced gene equipment in these specific areas compared to the germline genome.

    Purpose:

    • To investigate the special configuration and implementation of genes in T lymphocyte receptor (TCRA, TCRD) and immunoglobulin heavy chain (IGH) loci.
    • To explore the role of chromosomal exchanges and recombination activity in these gene regions.
    • To examine the association of chromosome 14, including myosin heavy chain genes and potential organ arrangement genes, with genetic disorders.

    Summary:

    • Uncommon gene configurations in T lymphocyte receptor and immunoglobulin heavy chain loci are identified.
    • These loci undergo reduction in mature lymphocytes and are influenced by chromosomal exchanges and high recombination activity.
    • Chromosome 14 harbors genes for myosin heavy chains, linked to cardiomyopathies, and potentially genes controlling organ arrangement, near the IGH locus.

    Impact:

    • Understanding these unique genetic arrangements can shed light on lymphocyte development and function.
    • The findings suggest a link between recombination activity in these loci and malignant processes.
    • Investigating chromosome 14's gene content may reveal new insights into hereditary cardiomyopathies and organogenesis defects.

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