ArticleJournal of traditional Chinese medicine = Chung i tsa chih ying wen pan2026
Improving glucose tolerance in obese rats: the role of Jinlida granules ( ) in gut microbiota modulation.
Article in Journal of traditional Chinese medicine = Chung i tsa chih ying wen pan, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveTo investigate the effects of Jinlida granules (, JLD) on body weight, glucose tolerance, intestinal inflammation and barrier function in high-fat diet (HFD)-induced obese rats and explore the regulation of the gut microbiota as a potential treatment mechanism.
methodsSprague-Dawley rats were divided into control, HFD, low-dose JLD (L-JLD), high-dose JLD (H-JLD), and sitagliptin groups. The rats, with the exception of those in the control group, were fed a HFD to establish an obesity model while simultaneously receiving 0.5% carboxymethyl cellulose, L-JLD, H-JLD or sitagliptin for 25 weeks. We assessed body weight, conducted oral glucose tolerance tests, and analysed faecal samples using metagenomic sequencing. Haematoxylin-eosin (HE), Masson and immunohistochemical (IHC) staining were employed to evaluate histological changes in the colon tissue. Immunofluorescence (IF) staining was used to measure the expression levels of Zonula occludens-1 (ZO-1) and Claudin-1 in colon tissue. The colon tissue was also subjected to transcriptomic evaluation.
resultsJLD treatment significantly reduced body weight and enhanced glucose tolerance in obese rats. It alleviated colonic tissue damage, decreased collagen deposition, inhibited macrophage infiltration, and increased the expression of the tight junction proteins ZO-1 and Claudin-1. Metagenomic analysis revealed JLD-induced shifts in the gut microbiota composition (increasing the abundance of
conclusionsJLD granules effectively improve glucose tolerance and ameliorate obesity-related intestinal dysfunctions in HFD-induced obese rats. These benefits are likely mediated through the modulation of the gut microbiota, the suppression of intestinal inflammation, the enhancement of barrier function, and the attenuation of proinflammatory pathways. Our findings offer novel insights into the therapeutic potential of JLD, emphasizing its role in integrating gut microbiota management into the treatment of metabolic disorders.
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