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Depression: 21st Century Solutions + The Dark Side of Wheat

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Abstract Title:

Comparative study of probiotic effects ofandstrains on cholesterol levels, liver morphology and the gut microbiota in obese mice.

Abstract Source:

EPMA J. 2017 Dec ;8(4):357-376. Epub 2017 Oct 10. PMID: 29209439

Abstract Author(s):

Rostyslav V Bubnov, Lidiia P Babenko, Liudmyla M Lazarenko, Viktoria V Mokrozub, Oleksandr A Demchenko, Oleksiy V Nechypurenko, Mykola Ya Spivak

Article Affiliation:

Rostyslav V Bubnov

Abstract:

Background: Microbiome-modulating interventions are promising for treatment and prevention of metabolic syndrome. The number of probiotic strains demonstrated ability to decrease cholesterol level in vivo, however, it was poorly confirmed in a clinical setting. The aim was to study the effects ofIMV B-7279,IMV B-7280,VKL andVKB separately and in various compositions on the level of serum cholesterol, gut microbiota contents and liver morphology on a high-calorie-induced obesity model in BALB/c mice.

Materials and methods: We used for the study female BALB/c mice 6-8 weeks old (18-24 g). Experimental animals were fed by a fat-enriched diet (FED), and 8 experimental groups were formed (12 mice in each group) to test strains of probiotic bacteriasubsp.IMV B-7281,IMV B-7280,VKL andVKB and compositions. We used ultrasound for in vivo assessment of the liver and visceral (mesenteric) fat size. In the blood serum of the obese mice, the level of cholesterol was estimated. The liver morphology and gut microbiota of obese mice were studied.

Results: We revealed that after treatment with all of the studied probiotic bacteria and compositions ofVKL/VKB/IMV B-7280, the weight of obese mice decreased, and cholesterol and its fraction levels in serum were reduced. The size of the liver slightly decreased after treatment withsubsp.IMV B-7281,VKB or probiotic compositions; we observed reduction of the mesenteric fat size after injection of all these probiotic bacteria (separately) and probiotic compositions. We defined the strain-dependent effects on serum lipid profiles, liver morphology and the gut microbiota. TheVKL/VKB/IMV B-7280 composition effectively recovered the liver morphological structure of obese mice. The number ofspp.,spp. and coliform bacteria increased, the number of staphylococci and streptococci reduced, and the number of microscopic fungi significantly decreased in the gut of obese mice after treatment withIMV B-7280,subsp.IMV B-7281,(separately) or their compositions.

Conclusion: IMV B-7280 (separately) and a composition ofVKL/VKB/IMV B-7280 are effective at decreasing the weight of obese mice, decreasing cholesterol level, restoring the liver morphology and beneficially modulating the gut microbiome in high-calorie-induced obesity.

Study Type : Animal Study

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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