ArticleFrontiers in immunology2025
High humidity environment increases FBG by impairing the intestinal barrier.
Article in Frontiers in immunology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Plasma Zonulin as a Biomarker of Divergent Channels Latency in Systemic Lupus Erythematosus?Healthcare (Basel, Switzerland) · 2026Article
- Narrative review on microbiota and sepsis: the host's betrayal?Internal and emergency medicine · 2026Review
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Authors and funding
9 authors.
Funding
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Abstract
Introduction: Climate and environmental changes pose significant threats to human metabolic health; however, the specific effects of individual environmental factors on metabolic diseases remain poorly understood. This study aimed to investigate the impact of a high humidity environment (HH) on fasting blood glucose (FBG), intestinal barrier integrity, and gut microbiota composition. Methods: We analyzed clinical samples collected during HH exposure and performed a controlled male mouse experiment. FBG and hormone levels were assessed, and intestinal barrier integrity was evaluated using western blot and immunofluorescence staining. Gut microbiota composition was profiled via 16S rDNA sequencing. Mechanistic insights were obtained through fecal microbiota transplantation (FMT), Mendelian randomization (MR) analysis, and metabolomic profiling. An antibiotic cocktail (ABX) intervention was applied to determine the reversibility of HH-induced effects. Results: Clinical samples collected under HH conditions showed elevated FBG, increased glucagon (GC) levels, impaired intestinal barrier function, and decreased serum gamma-aminobutyric acid (GABA) concentrations. 16S rDNA sequencing revealed increased abundances of Discussion: Our findings demonstrate that a high humidity environment disrupts gut microbiota homeostasis, impairs the intestinal barrier, and reduces GABA synthesis in pancreatic β-cells, thereby promoting the development of type 2 diabetes mellitus (T2DM).
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