Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/68908
標題: The relative efficacy of different strain combinations of lactic acid bacteria in the reduction of populations of Salmonella enterica Typhimurium in the livers and spleens of mice
作者: Tsai, C.C.
Liang, H.W.
Yu, B.
Hsieh, C.C.
Hwang, C.F.
Chen, M.H.
Tsen, H.Y.
關鍵字: lactic acid bacteria
multistrain
immune activity
Salmonella invasion
helicobacter-pylori infection
in-vitro
lactobacillus-acidophilus
antagonistic activity
serovar typhimurium
immune-system
vivo
gg
immunomodulation
multistrain
期刊/報告no:: Fems Immunology and Medical Microbiology, Volume 63, Issue 1, Page(s) 44-53.
摘要: Multispecies probiotics have been reported to be more effective than monostrain probiotics in health promoting for the host. In this study, 12 lactic acid bacteria (LAB) strains were selected based on the level of induction of tumor necrosis factor (TNF)-alpha in RAW 264.7 macrophage cells. Their adherence to Caco-2 cells and inhibitory effects on Salmonella invasion of Caco-2 cells were compared. Strains with different probiotic properties were then combined and BALB/c mice were fed with LAB strains for 63 days; then the mice were challenged with Salmonella on day 64. For Salmonella-unchallenged mice that received a multistrain combination of LAB strains that have greater TNF-alpha production in macrophages, greater adherence and inhibit Salmonella invasion of Caco-2 cells to a greater extent, their peritoneal macrophages had greater phagocytic activity. For Salmonella-challenged mice, a significant reduction of Salmonella cells in the livers and spleens of the mice was observed 8 days post challenge. The addition of 12% skim milk powder together with LAB strain combinations significantly enhanced the reduction of Salmonella cells in the mice livers and spleens. In conclusion, we have shown that LAB strain combinations with particular probiotic properties when fed to mice can inhibit Salmonella invasion of the liver and spleen.
URI: http://hdl.handle.net/11455/68908
ISSN: 0928-8244
文章連結: http://dx.doi.org/10.1111/j.1574-695X.2011.00826.x
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