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Caseinophosphopeptides and their cell modulating potential.

R Hartmann1, H Meisel

  • 1Federal Research Centre for Nutrition and Food, Institute of Dairy Chemistry and Technology, PO Box 60 69, D-24121 Kiel, Germany. hartmann@bafm.de

Biofactors (Oxford, England)
|January 5, 2005
PubMed
Summary
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Caseinophosphopeptides (CPP) show no harmful effects on human cells, indicating safety for functional foods. CPP preparations may also enhance immune responses by stimulating IgG secretion.

Area of Science:

  • Food Science and Technology
  • Biochemistry
  • Cell Biology

Background:

  • Caseinophosphopeptides (CPP) are derived from casein, a major milk protein.
  • Research explored CPP as functional food and pharmaceutical ingredients under EU project FAIR-CT 98-3077.

Purpose of the Study:

  • To assess the safety and potential bioactivity of CPP preparations.
  • Investigate CPP's cytotoxic potential and cell-modulating effects on human cell lines.

Main Methods:

  • CPP preparations were obtained from hydrolytic casein digests using various enzymes.
  • Cytochemical studies utilized human cancer cell lines (HL-60, Caco-2) and polymorphonuclear leukocytes (PML).
  • Cell activity was measured via formazan dye formation; Caco-2 differentiation was assessed by transepithelial resistance and alkaline phosphatase activity.

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Main Results:

  • No cytotoxic, apoptotic, or antiproliferative effects were observed in human cell systems exposed to CPP.
  • CPP preparations demonstrated no deleterious cytochemical consequences at the cellular level.
  • Stimulation of IgG secretion by peripheral blood lymphocytes (PBL) suggests potential immunoenhancing properties.

Conclusions:

  • CPP preparations are considered safe at the cellular level for food and pharmaceutical applications.
  • CPP may possess immunoenhancing properties, warranting further investigation for therapeutic potential.