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The Regulation of Microorganisms on Human Endocrine and Metabolic Systems

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Microbiology".

Deadline for manuscript submissions: 25 February 2026 | Viewed by 428

Special Issue Editors


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Guest Editor
Department of Experimental Vascular Medicine, Amsterdam University Medical Center, 1105 AZ Amsterdam, The Netherlands
Interests: gut microbiome; microbial fermentation; microbiome-based therapy; metabolic disease

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Guest Editor
Department of Molecular and Clinical Medicine, Institute of Medicine, University of Gothenburg, Gothenburg, Sweden
Interests: gut microbiome; microbial metabolism; microbial ecology; next-generation probiotics

Special Issue Information

Dear Colleagues,

There has been a concerning global rise in the prevalence of metabolic diseases, including type 2 diabetes, metabolic dysfunction-associated fatty liver disease, and obesity. Recent multi-omics studies have highlighted the gut microbiome as an important factor in the modulation of the risk for cardiometabolic disease development. Furthermore, the gut microbiome has been shown to influence the efficacy of current treatments, such as glucose-lowering drugs. The role of microorganisms in regulating endocrine processes and responses to treatments is an emerging area of research, underscoring the complex relationship between the microbiome and human metabolic health, potentially through bacterial enzymes, cellular components, and metabolites.

Understanding how microorganisms influence endocrine and metabolic functions and responses to drugs is crucial for developing novel therapeutic approaches for cardiometabolic diseases. This Special Issue will explore the role of the gut microbiome in regulating the host responses using in vitro models, animal studies, human cohorts, and clinical interventions. We invite original research articles and review papers that contribute to a deeper understanding of the mechanisms modulated by the gut microbiota and their potential therapeutic implications.

Dr. Thi Phuong Nam Bui
Dr. Valentina Tremaroli
Guest Editors

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Keywords

  • human gut microbiome
  • endocrine signaling
  • metabolism
  • obesity
  • type 2 diabetes
  • cardiometabolic diseases

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Published Papers (1 paper)

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Research

16 pages, 878 KB  
Article
Intestinal Myo-Inositol Metabolism and Metabolic Effects of myo-Inositol Utilizing Anaerostipes rhamnosivorans in Mice
by Aldo Grefhorst, Antonella S Kleemann, Stefan Havik, Antonio Dario Troise, Sabrina De Pascale, Andrea Scaloni, Max Nieuwdorp and Thi Phuong Nam Bui
Int. J. Mol. Sci. 2025, 26(19), 9340; https://doi.org/10.3390/ijms26199340 - 24 Sep 2025
Viewed by 31
Abstract
The gut microbiome is strongly implicated in the development of obesity and type 2 diabetes mellitus (T2DM). A recent study demonstrated that 6-week oral supplementation of Anaerostipes rhamnosivorans (ARHAM) combined with the prebiotic myo-inositol (MI) reduced fasting glucose levels in mice. In [...] Read more.
The gut microbiome is strongly implicated in the development of obesity and type 2 diabetes mellitus (T2DM). A recent study demonstrated that 6-week oral supplementation of Anaerostipes rhamnosivorans (ARHAM) combined with the prebiotic myo-inositol (MI) reduced fasting glucose levels in mice. In the present study, we investigated the effects of a 13-week ARHAM-MI supplementation in high-fat diet-fed mice and examined the metabolic fate of MI, including its microbial conversion into short-chain fatty acids (SCFAs), using 13C-MI and stable isotope tracers in the cecum, portal vein, and peripheral blood. The results showed that the ARHAM-MI group gained less weight than the MI-only and placebo groups. Analysis of intestinal mRNA and stable isotope tracing revealed that MI is primarily absorbed in the upper gastrointestinal tract, whereas microbial conversion to SCFAs predominantly occurs in the cecum and is enhanced by ARHAM. ARHAM-MI mice also showed increased cecal Gpr43 mRNA expression, indicating enhanced SCFA-mediated signaling. Notably, SCFAs derived from MI displayed distinct distribution patterns: 13C-butyrate was detected exclusively in the cecum, 13C-propionate was present in the cecum and portal vein, whereas 13C-acetate was the only SCFA detected in peripheral blood. Collectively, ARHAM-MI co-supplementation confers modest metabolic benefits in high-fat diet-fed mice, underscoring the need to optimize the dosage and administration frequency of ARHAM-MI to enhance its therapeutic efficacy. Full article
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