Abstract Title:

Anti-inflammatory and Anti-osteoporotic Potential of Lactobacillus plantarum A41 and L. fermentum SRK414 as Probiotics.

Abstract Source:

Probiotics Antimicrob Proteins. 2019 Aug 2. Epub 2019 Aug 2. PMID: 31372901

Abstract Author(s):

Chul Sang Lee, Sae Hun Kim

Article Affiliation:

Chul Sang Lee


This study involves an investigation on the probiotic properties of lactic acid bacteria and their potential applications in an in vitro model of lipopolysaccharide (LPS)-stimulated inflammation and dexamethasone-induced osteoporosis. Nine strains were pre-screened from 485 lactic acid bacteria based on their survival at a low pH and in a solution containing bile salts. All candidates were capable of surviving in an environment with low pH and with bile salts and could successfully colonize the intestine. Furthermore, their functional properties, such as anti-oxidation and anti-inflammation, were evaluated. Of the nine probiotic candidates, Lactobacillus plantarum A41 and L. fermentum SRK414 exhibited the highest anti-oxidative capacity. Moreover, only L. plantarum A41 and L. fermentum SRK414 could increase gut barrier function by upregulating the mRNA expression of tight junction proteins and inhibit the expression of inflammatory mediators induced by LPS-stimulated inflammation. Interestingly, these two strains were also capable of regulating several bone metabolism-related markers playing a role in bone homeostasis and osteoblast differentiation. In brief, L. plantarum A41 and L. fermentum SRK414 exhibited high probiotic potential and potentially impact immune-related bone health by modulating pro-inflammatory cytokines and bone metabolism-related markers.

Study Type : Animal Study

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