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[Laminin: biosynthesis, structure and functions].

J C Lissitzky, F Kopp, C Charpin

    Pathologie-Biologie
    |October 1, 1986
    PubMed
    Summary
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    Laminin (Lam), a glycoprotein, acts as a molecular bridge connecting cells to the basement membrane. Understanding its role is key to comprehending development, healing, and metastasis.

    Area of Science:

    • Biochemistry
    • Cell Biology
    • Molecular Biology

    Context:

    • Laminin (Lam) is a cross-shaped glycoprotein synthesized by various cell types.
    • It forms supramolecular complexes within the extracellular matrix, basement membrane, and cell coat.
    • Lam interacts with cell surface receptors, influencing cellular behavior.

    Purpose:

    • To elucidate the structural and functional roles of laminin in vivo.
    • To investigate laminin's involvement in cellular differentiation, proliferation, organogenesis, and embryogenesis.
    • To explore laminin's implications in tumoral invasion and metastatic cell homing.

    Summary:

    • Laminin (Lam) is a multifunctional glycoprotein essential for cell adhesion and structural integrity of the basement membrane.

    Related Experiment Videos

  • It mediates cell-matrix interactions, playing critical roles in development, tissue repair, and cancer metastasis.
  • Lam acts as a molecular link between epithelial cells and the basement membrane, influencing cell behavior.

    • Impact:

    • Provides insights into the molecular mechanisms underlying embryogenesis and organogenesis.
    • Highlights laminin's dual role in tissue repair and pathological processes like cancer metastasis.
    • Suggests that studying laminin expression and receptivity can advance understanding of differentiation and metastasis.