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KMID : 0665220220350050332
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Korean Journal of Food and Nutrition
2022 Volume.35 No. 5 p.332 ~ p.342
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Hepatoprotective Effects of Streptococcus thermophilus LM1012 in the Methionine-Choline Deficient (MCD) Diet Induced Nonalcoholic Steatohepatitis Mice Model
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You Ye-ji
Kim Tae-Rahk
Sohn Minn
Park Je-Seong
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Abstract
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Nonalcoholic fatty liver disease (NAFLD) is recognized one of the leading metabolic diseases globally, and the younger age population with the disease is rapidly growing, especially in developed countries. Since there has been no approved medicine, losing weight is known to be the only best remedy to control or reverse the disease. Recently, the field of microbiome has attracted much attention to offer more practical choices for patients. Here, we provide experimental evidence that Streptococcus thermophilus LM1012 (LM1012), a safe probiotic strain, is effective for improving NAFLD indexes. In the methionine-choline deficient (MCD) diet induced C57BL/6 mouse model, administration of LM1012 promoted marked reductions of aspartate transaminase (23.8%), total bilirubin (27.8%), hydroxycholesterol (64.2%), triglyceride (29.7%) and IL-1β (68.3%) compared to the MCD diet alone group. Also, the histopathological data imply that LM1012 inhibited fat accumulation and inflammation in the liver, which are the key biomarkers for progression of the disease. Together, these findings suggest that human consumption of LM1012 as a healthy nutritional supplement, may be helpful in reducing the risk of liver damages in NAFLD patients.
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KEYWORD
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probiotics, nonalcoholic fatty liver disease, health supplement, microbiome
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