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Casein and Peptides Derived from Casein as Antileukaemic Agents.

Journal of oncology (2019-10-05)
Edgar Ledesma-Martínez, Itzen Aguíñiga-Sánchez, Benny Weiss-Steider, Ana Rocío Rivera-Martínez, Edelmiro Santiago-Osorio
ABSTRACT

Milk is a heterogeneous lacteal secretion mixture of numerous components that exhibit a wide variety of chemical and functional activities. Casein, the main protein in milk, is composed of α-, β-, and κ-caseins, each of which is important for nutritional value and for promoting the release of cytokines, also are linked to the regulation of haematopoiesis and immune response and inhibit the proliferation and induce the differentiation of leukaemia cells. It has been shown that the digestive process of caseins leads to the release of bioactive peptides that are involved in the regulation of blood pressure and the inhibition or activation of the immune response by serving as agonists or antagonists of opioid receptors, thus controlling the expression of genes that exert epigenetic control. Later, they bind to opioid receptor, block nuclear factor κ-beta, increase the redox potential, and reduce oxidative stress and the pro-inflammatory agents that favour an antioxidant and anti-inflammatory environment. Therefore, the bioactive peptides of casein could be compounds with antileukaemia potential. This review provides a summary of current knowledge about caseins and casein peptides on the immune system as well as their roles in the natural defence against the development of leukaemia and as relevant epigenetic regulators that can help eradicate leukaemia.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Casein solution from bovine milk, 5% in water
Sigma-Aldrich
Casein from bovine milk, BioReagent, suitable for insect cell culture