期刊
CHEMICAL BIOLOGY & DRUG DESIGN
卷 -, 期 -, 页码 -出版社
WILEY
DOI: 10.1111/cbdd.14397
关键词
constipation-predominant irritable bowel syndrome; fenchone; gut microbiota; SCF/c-kit signaling pathway; sodium hyaluronate
The co-administration of fenchone and sodium hyaluronate improves the symptoms of IBS-C in rats by regulating neurotransmitter balance, enhancing intestinal barrier function, and activating the SCF/c-Kit signaling pathway, as well as restoring gut microbiota structure.
We sought to explore the protective effect of the combination of fenchone (FE) and sodium hyaluronate (SH) on ice water-induced IBS-C rats and the potential mechanism. The neurotransmitter levels, including substance P (SP), motilin (MTL), 5-hydroxytryptamine (5-HT), and vasoactive intestinal peptide (VIP), were determined by ELISA methods. The stem cell factors (SCF)/c-Kit signaling pathway-related protein and mRNA levels were determined by western blot and reverse transcription quantitative polymerase chain reaction (RT-qPCR) analyses, respectively. The expressions of tight ZO-1, Occludin, and Claudin-1 were also measured by western blot assay and immunofluorescence staining. The 16S rRNA gene sequence was used to measure the composition of gut microbiota. The co-administration of FE and SH improved the body weight, number of fecal pellets, fecal moisture, abdominal with drawal reflex score, and gastrointestinal transit rate in IBS-C rats. The unique efficacy of combination depended on the regulation of balance between excitatory and inhibitory neurotransmitters, enhancement of intestinal barrier function, and activation of SCF/c-Kit pathway. The gut microbiota structure was also restored. The ability of FE combined with SH to regulate SCF/c-Kit signaling pathway, enhance intestinal barrier function, and modulate gut microbiota contributes to their efficacy in managing IBS-C in rats. The co-administration of fenchone and sodium hyaluronate improved the body weight, number of fecal pellets, and fecal moisture in IBS-C rats. The ability of fenchone combined with sodium hyaluronate to regulate SCF/c-Kit signaling pathway, enhance intestinal barrier function, and modulate gut microbiota contributes to their efficacy in managing IBS-C.image
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