Nutrition (Burbank, Los Angeles County, Calif.) · 2025
Probiotic Lactiplantibacillus plantarum Lb41 alleviates high-fat diet-induced nonalcoholic fatty liver disease in mice.
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Lee Na-Kyoung, Lee Yunjung, Shin Da-Soul, Park Eunju, Paik Hyun-Dong
Аннотация
OBJECTIVE: Nonalcoholic fatty liver disease (NAFLD) is mainly related to genetics, obesity, insulin resistance, and type 2 diabetes. Probiotic Lactiplantibacillus plantarum Lb41 (Lb41) has not been reported to have hepatoprotective effects. Therefore, the aim of this study is to investigate the preventive effects of Lb41 against NAFLD in high-fat diet (HFD)-fed mice for preventing NAFLD.
METHOD: To induce fatty liver, the mice were given HFD for 5 weeks, followed by silymarin (200 mg/kg) or Lb41 (108 or 109 colony forming units/day) with the HFD for 7 weeks. After 12 weeks, body weight, histological change, serum and hepatic lipid profiles, etc. was performed compared to control and silymarin.
RESULTS: Lb41 had significantly reduced body weight (4.87 g) and serum lipids (triglycerides (77.64%), total cholesterol (67.53%), and low-density lipoprotein (40.50%) compared with the HFD group (P < 0.05). Lb41 significantly relieved HFD-associated hepatic injury by reducing aspartate transaminase (0.49-0.57 fold), alanine transaminase (0.49-0.51 fold), and alkaline phosphatase (0.76-0.90 fold) (P < 0.05). Additionally, they had decreased expression levels of peroxisome proliferator-activated receptor (PPAR) γ and sterol regulatory element-binding protein 1c and increased the expression levels of acyl-CoA oxidase, PPARα, carnitine palmitoyltransferase 1, acetyl CoA carboxylase 1, and fatty acid synthase in liver cells. Insulin and leptin levels decreased in the Lb41 treatment group compared with those in the HFD group. Meanwhile, adiponectin levels increased, similar to those in the normal diet group.
CONCLUSION: Based on these findings, Lb41 probiotics have possible hepatoprotective effects and could be used as functional food materials.
METHOD: To induce fatty liver, the mice were given HFD for 5 weeks, followed by silymarin (200 mg/kg) or Lb41 (108 or 109 colony forming units/day) with the HFD for 7 weeks. After 12 weeks, body weight, histological change, serum and hepatic lipid profiles, etc. was performed compared to control and silymarin.
RESULTS: Lb41 had significantly reduced body weight (4.87 g) and serum lipids (triglycerides (77.64%), total cholesterol (67.53%), and low-density lipoprotein (40.50%) compared with the HFD group (P < 0.05). Lb41 significantly relieved HFD-associated hepatic injury by reducing aspartate transaminase (0.49-0.57 fold), alanine transaminase (0.49-0.51 fold), and alkaline phosphatase (0.76-0.90 fold) (P < 0.05). Additionally, they had decreased expression levels of peroxisome proliferator-activated receptor (PPAR) γ and sterol regulatory element-binding protein 1c and increased the expression levels of acyl-CoA oxidase, PPARα, carnitine palmitoyltransferase 1, acetyl CoA carboxylase 1, and fatty acid synthase in liver cells. Insulin and leptin levels decreased in the Lb41 treatment group compared with those in the HFD group. Meanwhile, adiponectin levels increased, similar to those in the normal diet group.
CONCLUSION: Based on these findings, Lb41 probiotics have possible hepatoprotective effects and could be used as functional food materials.