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Host metabolism balances microbial regulation of bile acid signalling.
Nature
January 2025
Department of Chemistry and Chemical Biology, Boyce Thompson Institute, Cornell University, Ithaca, NY, USA.
Metabolites derived from the intestinal microbiota, including bile acids (BA), extensively modulate vertebrate physiology, including development, metabolism, immune responses and cognitive function. However, to what extent host responses balance the physiological effects of microbiota-derived metabolites remains unclear. Here, using untargeted metabolomics of mouse tissues, we identified a family of BA-methylcysteamine (BA-MCY) conjugates that are abundant in the intestine and dependent on vanin 1 (VNN1), a pantetheinase highly expressed in intestinal tissues.
View Article and Find Full Text PDFEffects of time-of-day on the noradrenaline, adrenaline, cortisol and blood lipidome response to an ice bath.
Sci Rep
January 2025
Professorship of Exercise Biology, Department Health and Sport Sciences, TUM School of Medicine and Health, Technical University of Munich, Munich, Germany.
While the effect of time-of-day (morning versus evening) on hormones, lipids and lipolysis has been studied in relation to meals and exercise, there are no studies that have investigated the effects of time-of-day on ice bath induced hormone and lipidome responses. In this crossover-designed study, a group of six women and six men, 26 ± 5 years old, 176 ± 7 cm tall, weighing 75 ± 10 kg, and a BMI of 23 ± 2 kg/mhad an ice bath (8-12 °C for 5 min) both in the morning and evening on separate days. Absence from intense physical exercise, nutrient intake and meal order was standardized in the 24 h prior the ice baths to account for confounders such as diet or exercise.
View Article and Find Full Text PDFAn Azomethine Derivative, 1-(4-nitrophenyl)-N-phenylmethanimine (BCS2) Ameliorated 7,12-dimethylbenz(a)anthracene-induced Mammary Carcinoma through Nrf2-Keap1-HO-1 Pathway.
Curr Med Chem
January 2025
Department of Biochemistry, School of Medicine, Case Western Reserve University, Woods building, W437, 2109 Adelbert Road, Cleaveland, Ohio, 44106, USA.
Aims: The aim of this study is the evaluation of an Azomethine derivative, BCS2, for its antioxidant and anti-tumor activities against mammary carcinoma through the Nrf2- Keap1-HO-1 pathway.
Background: The global prevalence of breast cancer is rising at an alarming rate. The facilitation of abnormal cell proliferation in mammary carcinoma occurs due to the disruption of signaling pathways that balance pro- and antioxidant status, thereby producing oxidative stress that disrupts genomic stability.
Society for Immunotherapy of Cancer: updates and best practices for multiplex immunohistochemistry (IHC) and immunofluorescence (IF) image analysis and data sharing.
J Immunother Cancer
January 2025
Providence Portland Medical Center, Portland, Oregon, USA.
Objectives: Multiplex immunohistochemistry and immunofluorescence (mIHC/IF) are emerging technologies that can be used to help define complex immunophenotypes in tissue, quantify immune cell subsets, and assess the spatial arrangement of marker expression. mIHC/IF assays require concerted efforts to optimize and validate the multiplex staining protocols prior to their application on slides. The best practice guidelines for staining and validation of mIHC/IF assays across platforms were previously published by this task force.
View Article and Find Full Text PDFImmunoinformatics: A Veritable Toolbox for Livestock Omics and Veterinomics.
OMICS
January 2025
Animal Biochemistry Division, ICAR - National Dairy Research Institute, Karnal, India.
Immunoinformatics, an integrative field consisting of bioinformatics and immunology, has showcased its potential in addressing zoonotic diseases, as evidenced during the Coronavirus disease 2019 (COVID-19) pandemic. However, its application in livestock health remains largely untapped. This opinion commentary explores how immunoinformatics, combined with advancements in genomics, multi-omics integration, and genome editing technologies, can revolutionize livestock management by enhancing disease resistance, vaccine development, and productivity.
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