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http://dx.doi.org/10.1139/y81-119 | DOI Listing |
iScience
February 2025
Department of Integrative Biology & Physiology, University of California, Los Angeles, Los Angeles, CA 90095, USA.
The vagus nerve is proposed to enable communication between the gut microbiome and the brain, but activity-based evidence is lacking. We find that mice reared germ-free exhibit decreased vagal tone relative to colonized controls, which is reversed via microbiota restoration. Perfusing antibiotics into the small intestines of conventional mice, but not germ-free mice, acutely decreases vagal activity which is restored upon re-perfusion with intestinal filtrates from conventional, but not germ-free, mice.
View Article and Find Full Text PDFIran J Basic Med Sci
January 2025
School of Physical Education, Department of Sports Health, Central China Normal University, Wuhan, 430079, China.
Objectives: This study aimed to evaluate the effects of pre-conditioning exercise on body lipid metabolism, leptin secretion, and the downstream pathways at the early stage of type 2 diabetes mellitus (T2DM).
Materials And Methods: The T2DM model was established using an 8-week high-sugar, high-fat diet combined. The T2DM model was established using an 8-week high-sugar, high-fat diet combined with streptozocin (STZ) injection.
JDS Commun
January 2025
Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, MI 48824.
Dairy cows with clinical ketosis (CK) exhibit metabolic changes, including intense adipose tissue (AT) lipolysis and systemic insulin resistance, that increase plasma BHB and free fatty acids (FFA). Cows with CK also have systemic inflammation, predisposing them to inflammatory and infectious diseases. This inflammatory process is modulated in part by oxidized fatty acids (oxylipins) that regulate all aspects of inflammation.
View Article and Find Full Text PDFCell Physiol Biochem
January 2025
Department of Animal Physiology, Biochemistry and Biostructure, Poznan University of Life Sciences, Poznan, Poland,
Background/aims: MOTS-c belongs to a group of mitochondrial peptides involved in metabolic processes in the body. This peptide has garnered increasing attention since its discovery in 2015 because of its potential to ameliorate metabolic parameters in animals with diabetes or insulin resistance. MOTS-c is involved in muscle metabolism; however, little is known about its role in fiber differentiation.
View Article and Find Full Text PDFCell Signal
January 2025
State Key Laboratory of Analytical Chemistry for Life Science, Division of Anatomy and Histo-embryology, Medical School, Nanjing University, Nanjing, Jiangsu 210093, China; Jiangsu Key Laboratory of Molecular Medicine, Nanjing University, Nanjing, Jiangsu 210093, China. Electronic address:
Autophagy-mediated anoikis resistance plays a critical role in the initiation of tumor metastasis. Therefore, we investigated the role and mechanism of anoikis resistance mediated by free fatty acids (FFAs) derived from lipophagy in highly invasive clear cell renal cell carcinoma (ccRCC). Here, we found that the highly invasive ccRCC cell line Himi exhibited enhanced resistance to anoikis and elevated lipophagy levels.
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