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Related Experiment Videos

[Sparassis crispa as biological response modifier].

Akihiko Hasegawa1, Munenori Yamada, Munehiko Dombo

  • 1R&D Center, Unitika Ltd.

Gan to Kagaku Ryoho. Cancer & Chemotherapy
|November 24, 2004
PubMed
Summary

Sparassis crispa (Hanabiratake) mushroom consumption reduced tumor size and prolonged survival in mice. It also decreased allergy symptoms and enhanced natural killer cell activity, suggesting immune system balancing effects.

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Area of Science:

  • Mycology
  • Immunology
  • Pharmacology

Context:

  • Sparassis crispa (SC, Hanabiratake) is an edible mushroom rich in beta-glucans.
  • Immunomodulatory effects of natural compounds are of significant research interest.
  • Understanding mushroom-derived polysaccharides' biological activities is crucial.

Purpose:

  • To investigate the immunomodulatory effects of Sparassis crispa.
  • To evaluate SC's impact on tumor growth, allergic responses, and immune cell function.
  • To determine SC's potential to modulate Th1/Th2 immune balance.

Summary:

  • Oral administration of SC reduced sarcoma 180 tumor size and prolonged survival in mice.
  • SC intake decreased IgE levels and scratching behavior in dermatitis-induced mice.

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  • SC enhanced human NK cell cytotoxicity without altering NK cell numbers, indicating improved immune surveillance.
  • Impact:

    • SC administration promotes a Th1-dominant immune response by activating Th1 cells and inhibiting Th2 cells.
    • These findings highlight SC's potential as a therapeutic agent for immune-related disorders.
    • SC demonstrates promise in modulating both anti-tumor and anti-allergic immunity.