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KMID : 0545120220320091146
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Journal of Microbiology and Biotechnology
2022 Volume.32 No. 9 p.1146 ~ p.1153
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Glycine max Fermented by a Novel Probiotic, Bifidobacterium animalis subsp. lactis LDTM 8102, Increases Immuno-Modulatory Function
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Kim Jae-Hwan
Jeong Min-Ju
Doo Eun-Hee
Doo Eun-Hee
Koo Young-Tae
Lee Seon-Joo
Jang Ji-Won
Park Jung-Han-Yoon
Huh Chul-Sung
Byun Sang-Uine
Lee Ki-Won
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Abstract
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Many probiotic species have been used as a fermentation starter for manufacturing functional food materials. We have isolated Bifidobacterium animalis subsp. lactis LDTM 8102 from the feces of infants as a novel strain for fermentation. While Glycine max has been known to display various bioactivities including anti-oxidant, anti-skin aging, and anti-cancer effects, the immune-modulatory effect of Glycine max has not been reported. In the current study, we have discovered that the extract of Glycine max fermented with B. animalis subsp. lactis LDTM 8102 (GFB 8102), could exert immuno-modulatory properties. GFB 8102 treatment increased the production of immune-stimulatory cytokines in RAW264.7 macrophages without any noticeable cytotoxicity. Analysis of the molecular mechanism revealed that GFB 8102 could upregulate MAPK2K and MAPK signaling pathways including ERK, p38, and JNK. GFB 8102 also increased the proliferation rate of splenocytes isolated from mice. In an animal study, administration of GFB 8102 partially recovered cyclophosphamide-mediated reduction in thymus and spleen weight. Moreover, splenocytes from the GFB 8102-treated group exhibited increased TNF-α, IL-6, and IL-1β production. Based on these findings, GFB 8102 could be a promising functional food material for enhancing immune function.
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KEYWORD
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Bifidobacterium animalis, probiotics, immune stimulation, Glycine max, fermentation
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