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Original Articles

Effect of β-Casein (1-28) on Proliferative Responses and Secretory Functions of Human Immunocompetent Cell Lines

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Pages 2091-2095 | Received 13 May 2004, Accepted 26 Jul 2004, Published online: 22 May 2014
 

Abstract

The effect of bovine β-casein (1-28) purified from commercial casein phosphopeptide preparations on human T, B, and monocyte cell lines was evaluated. Beta-casein (1-28) enhanced the proliferation of the following: T cell lines HUT-78, Jurkat Clone E6-1, and MOLT-4; B cell lines BALL, KHM-1B, and U266B1; and monocyte cell lines U937 and HL-60. Moreover, β-casein (1-28) stimulated IgA production by KHM-1B over 96 h of culture. Semiquantitative reverse transcriptional-polymerase chain reaction analysis indicated that β-casein (1-28) enhanced mRNA expression of interleukin (IL)-6 in U266B1 and KHM-1B. These results suggest that β-casein (1-28) exerts a mitogenic effect on human T, B, and monocyte cells, and an IgA-enhancing effect on B cells.

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