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Genetically Predicted Gene Expression Effects on Changes in Red Blood Cell and Plasma Polyunsaturated Fatty Acids.
Genet Epidemiol
January 2025
Division of Epidemiology, Department of Medicine, Vanderbilt University Medical Center, Nashville, USA.
Polyunsaturated fatty acids (PUFAs) including omega-3 and omega-6 are obtained from diet and can be measured objectively in plasma or red blood cells (RBCs) membrane biomarkers, representing different dietary exposure windows. In vivo conversion of omega-3 and omega-6 PUFAs from short- to long-chain counterparts occurs via a shared metabolic pathway involving fatty acid desaturases and elongase. This analysis leveraged genome-wide association study (GWAS) summary statistics for RBC and plasma PUFAs, along with expression quantitative trait loci (eQTL) to estimate tissue-specific genetically predicted gene expression effects for delta-5 desaturase (FADS1), delta-6 desaturase (FADS2), and elongase (ELOVL2) on changes in RBC and plasma biomarkers.
View Article and Find Full Text PDFThe role of intestinal ultrasound with colour Doppler in predicting the response to biologic therapy in inflammatory bowel disease patients.
Prz Gastroenterol
November 2023
Department of Internal Medicine, Hepato-gastroenterology Unit, Faculty of Medicine, Assiut University, Assiut, Egypt.
Introduction: Inflammatory bowel disease patients are exposed to frequent procedures and hospital admissions as well as recurrent need for radiological examinations with a high risk of exposure to radiation and contrast.
Aim: Our objective was to evaluate the role of a combination of both intestinal ultrasound (IUS) and colour Doppler with different parameters for monitoring changes in inflammation over time and to reveal their potential role in the assessment of response to biologic therapy in inflammatory bowel disease (IBD) patients.
Material And Methods: Before the induction of biological therapy, IUS together with colour Doppler of the intestine was conducted.
Risk factors of recurrent periprosthetic joint infection of the knee after two-stage reimplantation.
Knee Surg Relat Res
January 2025
Department of Orthopedics, Seoul National University College of Medicine, Seoul, South Korea.
Introduction: Prosthetic joint infection (PJI) is one of the most common and detrimental complications of total knee replacement arthroplasty (TKA). Despite extensive efforts, including two-stage reimplantation, to eradicate PJI, it still recurs in a substantial number of patients. However, the risk factors of recurrence after two-stage reimplantation of the knee have not been established.
View Article and Find Full Text PDFImpaired lipid homeostasis and elevated lipid oxidation of erythrocyte membrane in adolescent depression.
Redox Biol
January 2025
Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong University, Shanghai, China; Shanghai Mental Health Center, Shanghai Key Laboratory of Psychiatry Disorders, Shanghai Jiao Tong University, Shanghai, China. Electronic address:
Adolescent depression is a globally concerned mental health issue, the pathophysiological mechanisms of which remain elusive. Membrane lipids play a crucial role in brain development and function, potentially serving as a crossroad for the abnormalities in neurotransmitters, neuroendocrine, inflammation, oxidative stress, and energy metabolism observed in depressed adolescents. The primary aim of this study was to investigate the erythrocyte membrane lipid profile in adolescent depression.
View Article and Find Full Text PDFLong-term fasting induces a remodelling of fatty acid composition in erythrocyte membranes.
Eur J Clin Invest
January 2025
Buchinger Wilhelmi Clinic, Überlingen, Germany.
Introduction: Long-term fasting (LF) activates an adaptative response to switch metabolic fuels from food glucose to lipids stored in adipose tissues. The increase in free fatty acid (FFA) oxidation during fasting triggers health benefits. We questioned if the changes in lipid metabolism during LF could affect lipids in cell membranes in humans.
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