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Related Experiment Videos

Calcific diseases. A concept.

H C Anderson

    Archives of Pathology & Laboratory Medicine
    |July 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Calcification processes, both normal and pathological, begin with membranous organelles like matrix vesicles or mitochondria. Understanding these mechanisms is key to managing calcific diseases.

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    In Reply.

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    Area of Science:

    • Biochemistry
    • Pathology
    • Cell Biology

    Background:

    • Calcification processes share similarities in normal and pathological states.
    • Initiation of calcification involves membranous organelles: extracellular matrix vesicles or intracellular mitochondria.
    • Matrix vesicles utilize calcium-binding phospholipids and phosphatase activity, while mitochondria employ active calcium and phosphate transport.

    Purpose of the Study:

    • To elucidate the common mechanisms underlying normal and pathological calcification.
    • To define the characteristics of calcific diseases.
    • To highlight the therapeutic and diagnostic potential in controlling calcification.

    Main Methods:

    • Review of existing observations on calcification processes.
    • Analysis of the roles of extracellular and intracellular organelles in mineral initiation.

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  • Identification of regulatory factors influencing crystal proliferation.
  • Definition of criteria for classifying calcific diseases.

    • Main Results:

    • Calcification initiation is consistently mediated by matrix vesicles or mitochondria.
    • Mineral crystal proliferation is regulated by extracellular ions and inhibitors/promoters.
    • Calcific diseases are characterized by early calcium uptake and relation to dysfunction.
    • Control of calcification offers potential for reduced morbidity and improved diagnostics.

    Conclusions:

    • Normal and pathological calcification share fundamental initiation pathways.
    • Dysfunctional calcification in diseases like atherosclerosis and arthritis can be targeted for intervention.
    • Further research into calcification control mechanisms is crucial for clinical applications.