نتایج جستجو برای: نقص در عملکرد آنزیم g6pd
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BACKGROUND & OBJECTIVES Malaria and G6PD deficiency-related haemolyses are known causes of hospital admissions in Nigeria and pose great danger to child survival but data on interactions of these two pathologies are scarce. This study was carried out to determine the association between features of Plasmodium falciparum infection and G6PD status. METHODS G6PD and haemoglobin were typed by flu...
Glucose-6-phosphate dehydrogenase (G6PD) produces cellular NADPH, which is required for the biosynthesis of fatty acids and cholesterol. Although G6PD is required for lipogenesis, it is poorly understood whether G6PD in adipocytes is involved in energy homeostasis, such as lipid and glucose metabolism. We report here that G6PD plays a role in adipogenesis and that its increase is tightly associ...
BACKGROUND A large gap for the support of point-of-care testing is the availability of reagents to support quality control (QC) of diagnostic assays along the supply chain from the manufacturer to the end user. While reagents and systems exist to support QC of laboratory screening tests for glucose-6-phosphate dehydrogenase (G6PD) deficiency, they are not configured appropriately to support poi...
Mouse embryonic stem (ES) glucose-6-phosphate (G6P) dehydrogenase-deleted cells ( G6pd delta), obtained by transient Cre recombinase expression in a G6pd -loxed cell line, are unable to produce G6P dehydrogenase (G6PD) protein (EC 1.1.1.42). These G6pd delta cells proliferate in vitro without special requirements but are extremely sensitive to oxidative stress. Under normal growth conditions, E...
Benzene is a chemical contaminant widespread in industrial and living environments. The oxidative metabolites of benzene induce toxicity involving oxidative damage. Protecting cells and cell membranes from oxidative damage, glucose-6-phosphate dehydrogenase (G6PD) maintains the reduced state of glutathione (GSH). This study aims to investigate whether the downregulation of G6PD in K562 cell lin...
The incidence of diabetic nephropathy has been increasing. Studies have shown that oxidative stress (due to increased oxidant production and/or decreased antioxidant activity) is a critical underlying mechanism. The principal intracellular reductant is NADPH whose production is mainly dependent on glucose-6-phosphate dehydrogenase (G6PD) activity. Our work in cultured cells previously showed th...
OBJECTIVE To investigate 4 combinations of mutations responsible for glucose-6-phosphate dehydrogenase (G6PD) deficiency in a rural community of Burkina Faso, a malaria endemic country. METHODS Two hundred individuals in a rural community were genotyped for the mutations A376G, G202A, A542T, G680T and T968C using TaqMan single nucleotide polymorphism assays and polymerase chain reaction follo...
Newborn screening for Glucose-6-Phosphate Dehydrogenase Deficiency in Eastern Province, Saudi Arabia
Glucose-6-Phosphate Dehydrogenase (G6PD) deficiency is an x-linked recessive disorder expressed mostly in males. Patients with G6PD deficiency may present clinically with evidence of hemolytic anemia in the neonatal period or later in life, or may remain asymptomatic. The aim of this study was to determine the incidence of G6PD deficiency in Saudi infants screened at birth. All Saudi infants bo...
G6PD deficiency of the common type (Gd’ and Gd11t.d1 rranenn) results in extremely mild chronic hemolysis. In contrast, 65 males (from 47 unrelated families) have been reported with a different syndrome of severe chronic hemolysis associated with a superficially similar deficiency in the activity of G6PD. Five new such patients (from four unrelated families) are reported. Biochemical characteri...
To establish the neonatal screening method of glucose-6 phosphate dehydrogenase (G6PD) deficiency, G6PD activity was measured using the fluorescence spot test (FST) using dried blood samples on filter paper. The G6PD/6PGD rate test of venous blood samples was further performed for confirmation. The positive G6PD deficiency rate was 4.2% and its detection rates were 3.7% for all neonates and 5.2...
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