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Association of organ iron levels with type 2 diabetes mellitus and glycemic traits: A bidirectional two-sample Mendelian randomization study.
J Trace Elem Med Biol
December 2024
Department of Biochemistry, Christian Medical College, Vellore, Tamil Nadu, India; Affiliated to The Tamil Nadu Dr. MGR Medical University, Chennai, India. Electronic address:
Introduction: Observational studies have found that higher iron levels are associated with an increased risk of diabetes mellitus. Given the limitations of causal inferences from observational studies and the expensive and time-consuming nature of randomized controlled trials, Mendelian randomization analysis presents a reasonable alternative to study causal relationships. Previous MR analyses studying iron levels and diabetes have used indirect markers of iron levels, such as serum ferritin, and found conflicting results.
View Article and Find Full Text PDFUnveiling the Burden of Sickle Cell Anemia: A Pilot Study Validating Dried Blood Spots for Newborn Screening.
Indian J Pediatr
January 2025
Department of Biochemistry, All India Institute of Medical Sciences, Bibinagar, Hyderabad, Telangana, India.
This hospital-based cross-sectional study aimed to screen newborns for sickle cell anemia immediately after birth and validate dried blood spot (DBS) samples against conventional venous blood samples (CBS) for hemoglobin variant analysis by HPLC. Among 751 newborns, 2.93% were found to have sickle cell trait.
View Article and Find Full Text PDFGenetic factors shaping the plasma lipidome and the relations to cardiometabolic risk in children and adolescents.
EBioMedicine
January 2025
Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark. Electronic address:
Background: Lipid species are emerging as biomarkers for cardiometabolic risk in both adults and children. The genetic regulation of lipid species and their impact on cardiometabolic risk during early life remain unexplored.
Methods: Using mass spectrometry-based lipidomics, we measured 227 plasma lipid species in 1149 children and adolescents (44.
Basic Science and Pathogenesis.
Alzheimers Dement
December 2024
Huashan Hospital, Fudan University, Shanghai, Shanghai, China.
Background: Alzheimer's disease (AD) is a devastating neurological disease with complex genetic etiology, yet most known loci were only identified from the late-onset type of European ancestry.
Method: We performed a two-stage genome-wide association study (GWAS) of AD totaling 6,878 Chinese and 487,511 European individuals.
Result: We demonstrated a shared genetic architecture between early- and late-onset AD.
Circulating biomarkers associated with pediatric sickle cell disease.
Front Mol Biosci
December 2024
Department of Microbiology, Biochemistry and Immunology, Morehouse School of Medicine, Atlanta, GA, United States.
Introduction: Sickle cell disease (SCD) is a genetic blood disorder caused by a mutation in the HBB gene, which encodes the beta-globin subunit of hemoglobin. This mutation leads to the production of abnormal hemoglobin S (HbS), causing red blood cells to deform into a sickle shape. These deformed cells can block blood flow, leading to complications like chronic hemolysis, anemia, severe pain episodes, and organ damage.
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