title: Anti-obesity effect of Lactobacillus gasseri BNR17 in high-sucrose diet-induced obese mice.
abstract: Previously, we reported that Lactobacillus gasseri BNR17 (BNR17), a probiotic strain isolated from human breast milk, inhibited increases in body weight and adipocyte tissue weight in high-sucrose diet-fed Sprague-Dawley (SD) rats and reduced glucose levels in type 2 diabetes mice. In the current study, we conducted further experiments to extend these observations and elucidate the mechanism involved. C57BL/6J mice received a normal diet, high-sucrose diet or high-sucrose diet containing L. gasseri BNR17 (10(9) or 10(10) CFU) for 10 weeks. The administration of L. gasseri BNR17 significantly reduced the body weight and white adipose tissue weight regardless of the dose administered. In BNR17-fed groups, mRNA levels of fatty acid oxidation-related genes (ACO, CPT1, PPARα, PPARδ) were significantly higher and those of fatty acid synthesis-related genes (SREBP-1c, ACC) were lower compared to the high-sucrose-diet group. The expression of GLUT4, main glucose transporter-4, was elevated in BNR17-fed groups. L. gasseri BNR17 also reduced the levels of leptin and insulin in serum. These results suggest that the anti-obesity actions of L. gasseri BNR17 can be attributed to elevated expression of fatty acid oxidation-related genes and reduced levels of leptin. Additionally, data suggested the anti-diabetes activity of L. gasseri BNR17 may be to due elevated GLUT4 and reduced insulin levels.
authors: R&D center, Bioneer Corporation, Daejeon, Republic of Korea. arachnoa@pknu.ac.kr
authors: Ji-Hee
authors: JH
authors: Kang
authors: Sung-Il
authors: SI
authors: Yun
authors: Mi-Hee
authors: MH
authors: Park
authors: Jun-Hong
authors: JH
authors: Park
authors: So-Young
authors: SY
authors: Jeong
authors: Han-Oh
authors: HO
authors: Park
mesh_terms: D000273:Adipose Tissue / Q000378:metabolism; D000818:Animals; D001835:Body Weight; D019422:Dietary Sucrose / Q000009:adverse effects*; D004195:Disease Models, Animal; D005786:Gene Expression Regulation; D006801:Humans; D007328:Insulin / Q000097:blood; D007778:Lactobacillus; D020738:Leptin / Q000097:blood; D008099:Liver / Q000378:metabolism; D008297:Male; D051379:Mice; D008820:Mice, Obese; D009765:Obesity / Q000178:diet therapy* / Q000209:etiology; D019936:Probiotics / Q000627:therapeutic use; D012333:RNA, Messenger / Q000235:genetics / Q000378:metabolism
chemical_list: D019422:Dietary Sucrose; D007328:Insulin; D020738:Leptin; D012333:RNA, Messenger
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