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Related Experiment Videos

Early decrease in hyaluronidase-sensitive cell surface charge during the differentiation of Friend erythroleukemic

C Sato, K Kojima, K Nishizawa

    Cancer Research
    |March 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

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    Dimethyl sulfoxide (DMSO) reduces cell surface charges during erythroid differentiation in Friend erythroleukemia cells. This decrease in cell surface glycocalyx is an early event in differentiation induction.

    Area of Science:

    • Cell Biology
    • Biochemistry
    • Hematology

    Background:

    • Erythroid differentiation involves significant cellular changes.
    • Understanding early membrane events is crucial for deciphering differentiation pathways.

    Purpose of the Study:

    • To investigate early membrane alterations during erythroid differentiation.
    • To identify specific cell surface changes associated with differentiation induction.

    Main Methods:

    • Utilized cell electrophoresis on cultured Friend erythroleukemia cell clones.
    • Applied dimethyl sulfoxide (DMSO) and other inducers.
    • Enzymatically removed acidic sugars to analyze cell surface charges.

    Main Results:

    • Dimethyl sulfoxide (DMSO) treatment decreased cell electrophoretic mobility by 18% within 30 minutes in highly inducible clones.

    Related Experiment Videos

  • Reduced mobility correlated with hemoglobin synthesis and loss of hyaluronidase-sensitive negative charges.
  • Other potent inducers also caused similar mobility reductions.

    • Conclusions:

    • A decrease in cell surface glycocalyx is a potential early event in Friend erythroid leukemia cell differentiation.
    • Alterations in cell surface charge dynamics are key indicators of differentiation induction.