Pulse Brain · Growing Health Evidence Index
Tier 2 — RCT, large cohort or strong causal designPeer-reviewed

High-fiber diet ameliorates gut microbiota, serum metabolism and emotional mood in type 2 diabetes patients

Lihua Chen; Bo Liu; Lixia Ren; Hao Du; Chunhua Fei; Qian Chang; Bin Li; Ruixia Zhang; Haixia Liu; Zongjie Li; Zhiyong Ma

Frontiers in Cellular and Infection Microbiology · 2023

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Summary

This randomised clinical trial examined whether a high-fibre dietary intervention could modify gut microbiota composition and downstream health outcomes in type 2 diabetes patients. The intervention increased beneficial bacteria (Lactobacillus, Bifidobacterium, Akkermansia) whilst reducing pathogenic taxa (Desulfovibrio, Klebsiella), with associated improvements in glucose homeostasis, serum metabolic profile, systemic inflammation, and emotional mood scores.

Regional applicability

The study geography is not specified in the available metadata, limiting direct applicability assessment to United Kingdom practice. If conducted in comparable healthcare settings with similar dietary patterns, findings on fibre-responsive microbiota shifts and mood improvements may be transferable to UK type 2 diabetes management; however, the generalisability depends on baseline microbiota and dietary context of the study population.

Key measures

Gut microbiota composition (16S rRNA sequencing or similar), serum metabolome profiling, systemic inflammation markers, glucose homeostasis measures, and emotional mood/psychiatric symptom scales

Outcomes reported

The study measured changes in gut microbiota composition, serum metabolome, systemic inflammation markers, and psychiatric symptoms (depression and anxiety) in type 2 diabetes patients following a high-fibre diet intervention.

Theme
Nutrition & health
Subject
Gut microbiome & human health
Study type
Research
Study design
RCT
Source type
Peer-reviewed study
Status
Published
System type
Human clinical
DOI
10.3389/fcimb.2023.1069954
Catalogue ID
NRmucmlmez-008

Topic tags

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