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Exploring the causal role of plasma metabolites and metabolite ratios in prostate cancer: a two-sample Mendelian randomization study.
Front Mol Biosci
January 2025
Department of Clinical Laboratory, The First People's Hospital of Lianyungang, The Affiliated Lianyungang Hospital of Xuzhou Medical University, The First Affiliated Hospital of Kangda College of Nanjing Medical University, Lianyungang, Jiangsu, China.
Background: Prostate cancer (PCa), the most prevalent malignant neoplasm in males, involves complex biological mechanisms and risk factors, many of which remain unidentified. By employing a novel two-sample Mendelian randomization (MR) approach, this study aims to elucidate the causal relationships between the circulating metabolome and PCa risk, utilizing comprehensive data on genetically determined plasma metabolites and metabolite ratios.
Methods: For the MR analysis, we utilized data from the GWAS Catalog database to analyze 1,091 plasma metabolites and 309 ratios in relation to PCa outcomes within two independent GWAS datasets.
Circulating metabolomic biomarkers of 5-year body weight and composition change in a biracial cohort of community-dwelling older adults.
Geroscience
January 2025
Center for Aging and Population Health, School of Public Health, University of Pittsburgh, 310 BelPB, 130 N. Bellefield Avenue, Pittsburgh, PA, 15213, USA.
Unintentional weight loss in older populations is linked to greater mortality and morbidity risks. This study aims to understand the metabolic mechanisms of unintentional weight loss and their relationship with body composition changes in older adults. We investigated plasma metabolite associations with weight and body composition changes over 5 years in 1335 participants (mean age 73.
View Article and Find Full Text PDFMass Balance Recovery, Absorption, Metabolism, and Excretion of Elinzanetant in Healthy Human Volunteers and in vitro Biotransformation.
Eur J Drug Metab Pharmacokinet
December 2024
Preclinical Development-Drug Metabolism and Pharmacokinetics, Bayer AG, Berlin, Germany.
Background: Elinzanetant is a dual neurokinin-1,3 receptor antagonist in development for the treatment of menopausal vasomotor symptoms. The objectives of these studies were to characterize the mass balance and biotransformation of elinzanetant.
Methods: In the clinical evaluation, whole blood, plasma, urine, and feces were collected from healthy fasted male volunteers (n = 6) following a single dose of 120 mg [C]-elinzanetant oral suspension for analysis of total radioactivity and metabolite profiling.
New metabolic insights into the mechanism of ifosfamide encephalopathy.
Biomed Pharmacother
January 2025
Department of Biomedical Research, University of Bern, Bern, Switzerland; Department of Pharmaceutical and Administrative Sciences, College of Pharmacy and Health Sciences, Western New England University, Springfield, MA, USA. Electronic address:
Ifosfamide causes neurotoxicity, including sometimes fatal encephalopathy, in a small number of patients. Why and how this occurs is not fully understood. It is generally believed that N-dechloroethylation of ifosfamide to 2-chloroacetaldehyde is the cause.
View Article and Find Full Text PDFPlasma Metabolite Profiles Between In-Center Daytime Extended-Hours and Conventional Hemodialysis.
Kidney360
December 2024
Department of Nephrology, Nagoya University Graduate School of Medicine, Nagoya, Japan.
Background: Protein-energy wasting, characterized by disordered body protein catabolism resulting from metabolic and nutritional derangements, is associated with adverse clinical outcomes in patients undergoing hemodialysis. Extended-hours hemodialysis (≥6 h per treatment session) offers both enhanced removal of uremic solutes and better fluid management, generally allowing more liberalized dietary protein and calorie intake. This study aimed to evaluate the difference in plasma metabolite profiles among patients receiving in-center daytime extended-hours hemodialysis and those receiving conventional hemodialysis.
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