Cited by 99Gastrointestinal motility and disordersGut microbiota and healthProbiotics and Fermented Foods

Roles of Gut Microbiota and Metabolites in Pathogenesis of Functional Constipation

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Wang, Jun-Ke, Yao, Shu-Kun·2021·Evidence-Based Complementary and Alternative Medicine

Abstract

Functional constipation (FC), a condition characterized by heterogeneous symptoms (infrequent bowel movements, hard stools, excessive straining, or a sense of incomplete evacuation), is prevalent over the world. It is a multifactorial disorder and can be categorized into four subgroups according to different pathological mechanisms: normal transit constipation (NTC), slow transit constipation (STC), defecatory disorders (DD), and mixed type. Recently, growing evidence from human and animals has pointed that there was a strong association between gut microbiota and FC based on the brain-gut-microbiome axis. Studies have reported that the main characteristics of gut microbiota in FC patients were the relative decrease of beneficial bacteria such as Lactobacillus and Bifidobacterium, the relative increase of potential pathogens, and the reduced species richness. Gut microbiota can modulate gut functions through the metabolites of bacterial fermentation, among which short-chain fatty acids (SCFAs), secondary bile salts (BAs), and methane occupied more important positions and could trigger the release of gut hormones from enteroendocrine cells (EECs), such as 5-hydroxytryptamine (5-HT), peptide YY (PYY), and glucagon-like peptide-1 (GLP-1). Subsequently, these gut hormones can influence gut sensation, secretion, and motility, primarily through activating specific receptors distributed on smooth muscle cells, enteric neurons, and epithelial cells. However, research findings were inconsistent and even conflicting, which may be partially due to various confounding factors. Future studies should take the associated confounders into consideration and adopt multiomics research strategies to obtain more complete conclusions and to provide reliable theoretical support for exploring new therapeutic targets.

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Authors
Wang, J.-K., & Yao, S.-K.
Affiliations
  • Chinese Academy of Medical Sciences & Peking Union Medical College (CN)
  • Department of Gastroenterology, China-Japan Friendship Hospital, Beijing 100029, China
Venue
Evidence-Based Complementary and Alternative Medicine
Publisher
Wiley
Published
2021-09-21
Volume
2021
Pages
1-12
ISSN
  • 1741-427X (ISSN-L)
  • 1741-4288
OpenAlex
W3199635008
Cited by
98
References
133
Citations by year
2026: 12 · 2025: 20 · 2024: 26 · 2023: 26 · 2022: 14
FWCI
3.15
Type
journal article
Language
en
Open access
Locations
  • Evidence-based Complementary and Alternative Medicine (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Topics
  • Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
Keywords
functional constipation, gut microbiota, gut microbiota metabolites, gut-brain axis, short-chain fatty acids, secondary bile acids, methane, enteroendocrine hormones, serotonin, peptide YY, glucagon-like peptide-1, Lactobacillus, Bifidobacterium, intestinal motility, defecation disorders, slow transit constipation

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