Platelet aggregation time significantly increased within 48 hours in response to an increase in dietary linoleate of 4% of calories while disaggregation time decreased significantly in 96 hours. A change as small as 0.5% of calories was associated with significant alterations within 4 days. In this group, dietary linoleate appears to be related to platelet function by the equations Aggregation time equals 41.14 plus 2.79 linoleate Disaggregation time equals 11.04 minus 25.52 linoleate.
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http://dx.doi.org/10.1093/ajcn/28.6.601 | DOI Listing |
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 PDFFood Funct
January 2025
College of Food Science, Shenyang Agricultural University, Shenyang 110161, China.
Pectin is an acidic heteropolysaccharide with natural, green, and inexpensive characteristics. Compared to polysaccharides, oligosaccharides are more easily utilized by the body, and the physiological function of hawthorn pectin oligosaccharides (POS) may vary depending on their degree of polymerization (DP). Therefore, we mainly studied the effects of hawthorn pectin (HP) and POS with different DP on gut microbiota disorders induced by high-fat diet (HFD).
View Article and Find Full Text PDFFood Sci Nutr
January 2025
Department of Dairy Science and Food Technology, Institute of Agricultural Sciences Banaras Hindu University Varanasi India.
Mushrooms are considered as nutraceutical foods that can effectively prevent diseases such as cancer and other serious life-threatening conditions include neurodegeneration, hypertension, diabetes, and hypercholesterolemia. The , also known as the "Golden chanterelle" or "Golden girolle," is a significant wild edible ectomycorrhizal mushroom. It is renowned for its delicious, apricot-like aroma and is highly valued in various culinary traditions worldwide.
View Article and Find Full Text PDFBiochim Biophys Acta Mol Cell Biol Lipids
January 2025
Department of Nutritional Sciences, Temerty Faculty of Medicine, University of Toronto, Toronto, Canada.
The synthesis of n-3 and n-6 polyunsaturated acids (PUFAs) is associated with physiological functions in mammals, being catalyzed by Δ-5D and Δ-6D desaturases and elongases Elovl-2 and Elovl-5. In this context, we aimed to study the chief kinetic features of PUFA liver anabolism, looking upon (i) the time-dependency for the specific activity of Δ-6D, Δ-5D, Elovl2, Elovl2/5 and Elovl5, using n-3 and n-6 precursors between 0 and 240 min ex vivo in mouse liver.; and (ii) the specific activity-substrate (α-linolenic acid; ALA) concentration responses of Δ-6D in the absence and presence of linoleic acid (LA), arachidonic acid (ARA), eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), an enzyme regarded as the rate-limiting step in PUFA anabolism.
View Article and Find Full Text PDFNutrients
December 2024
Department of Dietetics and Bromatology, Wroclaw Medical University, Borowska 211, 50-556 Wrocław, Poland.
To assess the associations between serum and dietary polyunsaturated fatty acids (PUFAs), as well as the inflammatory potential of diet measured by the Children's Dietary Inflammatory Index (C-DII), and recurrent respiratory infections (RRIs) in children. We enrolled 44 children aged 3-16 years with RRIs and 44 healthy controls. Dietary intake was assessed using a 7-day food record from which PUFA intake and C-DII were calculated.
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