Evidence map›Paper›PMID 42771291›Full record

ArticleChinese journal of integrative medicine2026

Liangfu Pill Alleviates Constipation-Predominant Irritable Bowel Syndrome through Modulation of 5-HT Signaling Pathway and Gut Microbiota.

Shui-di Zhang, Jie-Ying He, Bai-Rong Zhang, Kun-Ping Li, Chuan-Song Wen, Miao-Miao Ren, Chao-Yan Yang, Yan-Fen Chen

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Article in Chinese journal of integrative medicine, 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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4 · The record

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5 · Who and what money

Authors and funding

8 authors.

Shui-di ZhangSchool of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
Jie-Ying HeSchool of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
Bai-Rong ZhangSchool of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
Kun-Ping LiInstitute of Chinese Medicine Sciences, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
Chuan-Song WenSchool of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
Miao-Miao RenSchool of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
Chao-Yan YangSchool of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
Yan-Fen ChenSchool of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China. xwnai@163.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveTo elucidate the modulation mechanism of Liangfu Pill (LFP) on serotonin (5-HT) signaling pathway and gut microbiota in constipation-predominant irritable bowel syndrome (IBS-C) rat models to clarify its therapeutic effects.

methodsThe major metabolites of LFP were analyzed, and network analysis was used to predict the potential mechanism of LFP on IBS-C. Sixty SD rats were allocated to normal, normal + LFP (N+LFP), model, moxapride, low- and high-dose LFP (LFP-L and LFP-H) groups. IBS-C model was developed by tail-clamping stress, irregular feeding, and ice-water gavage for 14 d. Following 7-d intervention, levels of substance P (SP), vasoactive intestinal peptide (VIP), and melatonin (MLT) in the colon tissues were quantified using ELISA, while high-performance liquid chromatography was used to measure the concentration of 5-HT in colon tissue. The expressions of serotonin transporter (SERT), tryptophan hydroxylase 1 (TPH1), and serotonin 4 receptor (5-HT

resultsChromatographic analysis identified 104 major metabolites in LFP. Network analysis predicted that the main signaling pathways involved serotonergic synapses and regulation of transient receptor potential channels by inflammatory mediators. In rats with IBS-C, LFP increased body weight gain, open-field total distance and average speed, fecal count, Bristol stool score, and the levels of SP and VIP, while decreasing abdominal withdrawal reflex scores and 5-HT level (P<0.05 or P<0.01). The protein expressions of SERT and 5-HT

conclusionsLFP alleviates IBS-C symptoms, improves overall condition and especially reduces visceral sensitivity in rats. The potential mechanism may involve modulation of 5-HT signaling pathway and gut microbiota.

Indexed as

5-HT signaling pathwayChinese herbal compoundconstipation-predominant irritable bowel syndromegut microbiotaLiangfu Pill

Identifiers

PMID42771291

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.