ArticleJournal of endocrinological investigation2025
Lactobacillus murinus alleviates insulin resistance via promoting L-citrulline synthesis.
Article in Journal of endocrinological investigation, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Microbiota-Associated Amino Acid Metabolites in Inflammatory Bowel Disease: Emerging Key Players in the Host-Microbe Interface.Microorganisms · 2026Review
- Article
- Enhancing soil citrulline degrading function to mitigate soil-borne Fusarium wilt.Nature communications · 2026Article
- Therapeutic Potential ofFood science & nutrition · 2026Article
- Muscone Ameliorates High-Altitude Hypoxia Gastrointestinal Stress via Modulation of Lactobacillus Murinus and Mitochondrial Metabolism.Journal of inflammation research · 2025Article
- Persistent human-associated microbial signatures in burial soils from the 17th and 18th century New York African burial ground.ISME communications · 2025Article
- Jiawei Buyang Huanwu Decoction modulates gut microbiota and metabolic profiles in a rat model of idiopathic pulmonary fibrosis.Frontiers in microbiology · 2025Article
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Authors and funding
5 authors.
Funding
Abstract
aimsThe role of Lactobacillus murinus as a potential probiotic is being explored. Our objectives were to explore the effects of Lactobacillus murinus on insulin resistance and the underlying mechanism.
methodsInsulin resistance animal models were applied to study the effect of L. murinus and the underlying mechanism by six weeks of treatment. Metformin was administered in vitro to analyze the growth and metabolites of L. murinus. Serum metabolites were further analyzed after L. murinus administration. The effect of L-citrulline and the underlying mechanism in alleviating insulin resistance were evaluated.
resultsL. murinus not only reduced body weight gain and postprandial blood glucose (PBG) but improved impaired glucose tolerance (IGT) and insulin resistance. Moreover, L. murinus inhibited the secretion of pro-inflammatory factors (IL-1β, IL-6 and TNF-α) while promoted the secretion of anti-inflammatory factor (IL-10). Further, L. murinus promoted the expression of carnitine palmitoyl transferase 1 (CPT1) while inhibited phosphoenolpyruvate carboxykinase (PCK) and glucose-6-phosphatase (G6Pase). A total of 147 metabolites of L. murinus were identified, in which the content of L-citrulline increased to 7.94 times after metformin regulation. Further, the serum concentration of L-citrulline significantly increased after L. murinus administration. Similarly, L-citrulline reduced body weight gain and PBG, improved IGT and insulin resistance. Additionally, L-citrulline improved inflammation, promoted CPT1 while inhibited PCK and G6Pase.
conclusionsL. murinus mediated by L-citrulline alleviated insulin resistance via promoting fatty acid oxidation and inhibiting gluconeogenesis, suggesting that supplementation of L. murinus could be a potential therapeutic approach for type 2 diabetes related to insulin resistance.
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