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Cytotechnology. 2002 Nov;40(1-3):67-73. doi: 10.1023/A:1023966121989.

Oral administration of milk fermented with Lactobacillus delbrueckii ssp. bulgaricus OLL1073R-1 to DBA/1 mice inhibits secretion of proinflammatory cytokines.

Author information

1
Food Functionality Research Institute, Meiji Dairies Co., 540 Naruda, Odawara, Kanagawa, Japan, hiroshi_kano@meijimilk.com.

Abstract

We have previously shown that oral administration of skimmed milk(SM) fermented with Lactobacillus delbrueckii ssp. bulgaricus OLL1073R-1 (OLL1073R-1/SM) to DBA/1 mice inhibited the development of collagen-induced arthritis (CIA). In this study, our aim was to examine possible mechanisms of inhibiting the development of CIA. We studied the effect of OLL1073R-1/SM on cytokine secretion from cells of popliteal lymph nodes (lymph node cells; LNC) of mice. The results showed that feeding OLL1073R-1/SM inhibited secretion of proinflammatory cytokines such as interferon gamma (IFN-gamma), interleukin 6 (IL-6), tumor necrosis factor alpha (TNF-alpha) and the chemokine, monocyte chemoattractant protein 1 (MCP-1). The most prominent effect was inhibition of TNF-alpha. Secretion of IL-2 and IL-4 were not influenced. Feeding OLL1073R-1/SM inhibited secretion of proinflammatory cytokines produced by accessory cells, but not T cells. We conclude that CIA may be prevented via down regulation of secretion of proinflammatory cytokines such as IL-6, TNF-alpha and IFN-gamma, and of the chemokine of MCP-1.

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