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Related Experiment Videos

Human acid phosphatase in somatic cell hybrids.

G A Bruns, P S Gerald

    Science (New York, N.Y.)
    |April 26, 1974
    PubMed
    Summary

    Human lysosomal acid phosphatase ACP2 functions as a dimer in somatic cell hybrids. This enzyme and its gene are linked to LDH A, localizing to lysosomes.

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    Area of Science:

    • Biochemistry
    • Genetics
    • Cell Biology

    Background:

    • Lysosomal acid phosphatase (ACP2) is a key enzyme involved in cellular degradation.
    • Understanding the structure and genetic linkage of ACP2 is crucial for cellular function studies.

    Purpose of the Study:

    • To investigate the molecular form and cellular localization of human ACP2 in somatic cell hybrids.
    • To determine the genetic linkage of the ACP2 gene with other known genes.

    Main Methods:

    • Analysis of human-rodent somatic cell hybrids.
    • Biochemical assays to determine enzyme structure (dimeric/heteropolymer).
    • Cellular fractionation and localization studies.
    • Gene mapping techniques to assess synteny.

    Main Results:

    • Human ACP2 is expressed as a dimeric molecule in nan-rodent somatic cell hybrids.
    • Both human and rodent ACP2 homopolymers, and the human-rodent heteropolymer, are localized to lysosomes.
    • The gene for lysosomal acid phosphatase (ACP2) is syntenic with the gene for lactate dehydrogenase A (LDH A).

    Conclusions:

    • Human ACP2 forms a dimeric structure within somatic cell hybrids.
    • ACP2's association with lysosomes is conserved across human and rodent components.
    • The syntenic relationship between ACP2 and LDH A provides insights into gene organization on human chromosomes.

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