Normally, the gut microbiota has a mutually beneficial association with host health and maintains its commensal status in mammals. Conversely, it can also negatively influence host physiology under some certain circumstances, including obesity and other disease states. Although numerous gut microbial functions directly affect the gastrointestinal tract, in this paper, we focus on the influences of the gut microbiota on host adipose tissue and energy metabolism, particularly lipometabolism. We thoroughly discuss two important microbial products, short-chain fat acids and lipopolysaccharides, which are linked to several mechanisms involved in obesity and adipose, including differentiation, energy metabolism and immunity. Furthermore, this review also addresses some potentially beneficial functions of probiotics, which can serve to prevent or alleviate host pathological states, including dysbacteriosis, obesity, low-grade inflammation and metabolic syndrome.
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http://dx.doi.org/10.1016/j.jnutbio.2018.10.020 | DOI Listing |
Mol Cancer
January 2025
Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, No. 20, Section 3, Renmin South Road, Chengdu, Sichuan Province, 610041, China.
The polymorphic microbiome is considered a new hallmark of cancer. Advances in High-Throughput Sequencing have fostered rapid developments in microbiome research. The interaction between cancer cells, immune cells, and microbiota is defined as the immuno-oncology microbiome (IOM) axis.
View Article and Find Full Text PDFSci Rep
January 2025
Department of Health and Nutrition, Yamagata Prefectural Yonezawa University of Nutrition Sciences, 6-15-1, Torimachi, Yonezawa, Yamagata, 992-0025, Japan.
Colorectal cancer has the second highest mortality among cancer sites worldwide, with increasing morbidity, high recurrence rates, and even poorer postoperative quality of life. Therefore, preventive strategies for colorectal cancer should be established. This study aimed to cross-sectionally explore dietary patterns affecting the intestinal metabolism of bile acids (BAs), a risk factor for colorectal cancer, in young Japanese women.
View Article and Find Full Text PDFNature
January 2025
Immuno-Oncology Service, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
Tertiary lymphoid structures (TLSs) are de novo ectopic lymphoid aggregates that regulate immunity in chronically inflamed tissues, including tumours. Although TLSs form due to inflammation-triggered activation of the lymphotoxin (LT)-LTβ receptor (LTβR) pathway, the inflammatory signals and cells that induce TLSs remain incompletely identified. Here we show that interleukin-33 (IL-33), the alarmin released by inflamed tissues, induces TLSs.
View Article and Find Full Text PDFJ Cyst Fibros
January 2025
Leeds Institute of Medical Research, University of Leeds, School of Medicine, Leeds, United Kingdom; The Leeds Adult CF Unit, Leeds Teaching Hospitals NHS Trust, Leeds, United Kingdom. Electronic address:
Background: Whether improvements in gastrointestinal (GI) symptoms observed with Elexacaftor/Tezacaftor/Ivacaftor (ETI) treatment are sustained in the longer-term requires exploration. This study investigated how GI-symptoms change with longer-term ETI use in pancreatic insufficient adults with cystic fibrosis (awCF).
Methods: Participants completed up to three abdominal symptom questionnaires, employing the validated CFAbd-Score.
Trends Parasitol
January 2025
Laboratory of Parasitology, Department of Bacteria, Parasites, and Fungi, Statens Serum Institut, Copenhagen, Denmark; Department of Protozoology, Mahidol University, Bangkok, Thailand. Electronic address:
Gut single-celled eukaryotes (GSCEs) are found in billions of people worldwide, but we still know little about their functions and relationships in human gut ecology. Lately, retrospective analysis of bacterial data obtained by next-generation sequencing (NGS) methods has been used to identify links between GSCEs, gut bacteria, host metabolism, and host phenotypical traits, suggesting possible direct or indirect associations to favorable gut microbiome features and other health parameters. Here, we highlight some of the pitfalls related to the research strategy typically used so far and propose action points that could pave the way for a more accurate understanding of GSCEs in human health and disease.
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