Evidence map›Paper›PMID 40879997›Full record

ArticleCurrent medical science2025

Konjac Oligosaccharide Alleviates Constipation in Mice via 5-HT4R/cAMP/PKA/p-CREB Pathway Activation.

Guang-Jun Sun, Ming Li, Xiao-Yu Zhang, Jin-Shuang Liu, Ai-Zhen Lin, Qiong Cai

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Article in Current medical science, 2025. 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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3 · Its place in the literature

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5 · Who and what money

Authors and funding

6 authors.

Guang-Jun Sun *Department of Proctology, Hubei Provincial Hospital of Traditional Chinese Medicine, Wuhan, 430061, China.
Ming Li *Department of Anorectal Surgery, Honghu Traditional Chinese Medicine Hospital, Honghu, 433200, China.
Xiao-Yu ZhangDepartment of Proctology, Hubei Provincial Hospital of Traditional Chinese Medicine, Wuhan, 430061, China.
Jin-Shuang LiuHubei University of Chinese Medicine, Wuhan, 430061, China.
Ai-Zhen LinDepartment of Proctology, Hubei Provincial Hospital of Traditional Chinese Medicine, Wuhan, 430061, China. linaizhen2003@163.com.
Qiong CaiDepartment of General Surgery, Qionghai People's Hospital, Qionghai, 571400, China. 307507591@qq.com.

Funding

7th batch of national old Chinese medicine experts' academic experience inheritance project [2022] No. 76 Letter on Teaching Chinese MedicineGeneral Project of Hubei Natural Science Foundation 2022CFB412Hubei Shizhen Talent Project Hubei Health Department Letter [2024] No.256Wuhan anorectal disease combination of Chinese traditional and western medicine treatment clinical medical research center Wu Ke [2023] No.123
6 · The paper itself

Abstract

backgroundKonjac oligosaccharide (KOS), which is produced through the degradation of konjac glucomannan via enzymatic, chemical, or physical treatments, has been found to have laxative effects. The current study aimed to elucidate the mechanisms underlying the laxative effect of KOS.

methodsKOS was administered by gavage to wild-type and 5-hydroxytryptamine 4 receptor (5-HT4R)-knockout C57BL/6 mice subjected to loperamide-induced constipation for four weeks. Following treatment, feces, blood, small intestine, colonic tissue, and intestinal contents were collected. Constipation-related parameters, gastrointestinal hormones, and Ca

resultsKOS alleviated loperamide-induced constipation in mice. KOS activated the 5-HT4R/cAMP/PKA/p-CREB pathway in loperamide-induced constipated mice. The protective effect of KOS was significantly diminished in 5-HT4R

conclusionKOS improves loperamide-induced constipation by activating the 5-HT4R/cAMP/PKA/p-CREB signaling pathway.

Indexed as

ConstipationMannansOligosaccharidesReceptors, Serotonin, 5-HT4AnimalsCyclic AMPCyclic AMP-Dependent Protein KinasesCyclic AMP Response Element-Binding ProteinDisease Models, AnimalLaxativesLoperamideMaleMiceMice, Inbred C57BLMice, KnockoutMyocytes, Smooth Muscle(1-6)-alpha-glucomannanCreb1 protein, mouseCyclic AMPCyclic AMP-Dependent Protein KinasesCyclic AMP Response Element-Binding ProteinLaxativesLoperamideMannansOligosaccharidesReceptors, Serotonin, 5-HT45-HT4 receptorCAMP/PKA signalingColonic motilityFunctional constipationGut motilityKonjac oligosaccharide (KOS)LoperamideSmooth muscle cells

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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 OpenQuestion graph.