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In this study, we have investigated the effect of Lactobacillus helveticus CD6 on weight gain, lipid profile, liver function biomarkers (ALT: alanine aminotransferase; and AST: aspartate aminotransferase) and liver histopathology in high-fat diet fed Swiss albino mice. Twenty-four healthy male Swiss albino mice with an average body weight of 25.94 ± 0.33 g (35 days old) were acclimatized and equally distributed into four groups treated with different diets. The treatment groups were control (control diet), HFD (high-fat diet), HFD + LH (high-fat diet + L. helveticus CD6), and HFD + Gemf (high-fat diet + Gemfibrozil). After 12 weeks, L. helveticus CD6 treatment significantly reduced HFD-induced weight gain, the levels of serum total cholesterol (TC), triglyceride (TG), low-density lipoprotein (LDL), ALT and AST, and elevated serum high-density lipoprotein (HDL) levels. In addition, L. helveticus CD6 treatment maintained satiety and normal liver histology as compared to HFD group. Besides this, the results observed with L. helveticus CD6 treatment were comparable with lipid lowering drug gemfibrozil, except TG levels and body weight gain. In conclusion, it was found that L. helveticus CD6 could effectively reduce HFD-induced hyperlipidemia and weight gain and maintained normal liver histology. Moreover, the strain could be used to develop functional foods for individuals with dyslipidemia after appropriate human studies.

Keywords: Gemfibrozil; Lactobacillus helveticus CD6; Lipid profile; Liver function; Probiotic; Weight gain.

Research Insights

SupplementHealth OutcomeEffect TypeEffect Size
Lactobacillus helveticus LH76Improved Lipid ProfileBeneficial
Lactobacillus helveticus LH76Improved Liver FunctionBeneficial
Lactobacillus helveticus LH76Maintained Normal Liver FunctionBeneficial
Lactobacillus helveticus LH76Reduced Weight GainBeneficial

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