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Glycoproteins in relation to cell differentiation and malignancy

M J Crumpton

    Progress in Clinical and Biological Research
    |January 1, 1982
    PubMed
    Summary

    Cell surface glycoproteins play a role in cell differentiation and malignancy. Changes in their carbohydrate or polypeptide structure, or both, are likely mechanisms driving these processes.

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    Area of Science:

    • Biochemistry
    • Cell Biology
    • Oncology

    Background:

    • Cell surface glycoproteins are implicated in cellular differentiation and malignancy.
    • These molecules are crucial for cell-cell recognition and signaling.
    • Alterations in glycoproteins are observed in various cancers.

    Purpose of the Study:

    • To explore the mechanisms by which cell surface glycoproteins change during differentiation and malignancy.
    • To differentiate between changes in protein glycosylation versus protein synthesis.

    Main Methods:

    • Theoretical analysis of glycoprotein structure and synthesis.
    • Review of existing experimental evidence.

    Main Results:

    • Two primary mechanisms for glycoprotein alteration exist: altered glycosylation of existing proteins or synthesis of new proteins with modified carbohydrate structures.
    • Both mechanisms likely contribute to differentiation and malignancy.

    Conclusions:

    • Cell surface glycoprotein modifications are fundamental to differentiation and malignancy.
    • Understanding these mechanisms can offer insights into cancer development and therapeutic targets.

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