نتایج جستجو برای: nutritional deficiency
تعداد نتایج: 210831 فیلتر نتایج به سال:
Vitamin B12 (cobalamin, Cbl) deficiency can cause metabolic, hematological, and neurological abnormalities. Adequate levels of succinyl-coenzyme A (CoA) cannot be synthesized from methylmalonyl-CoA because of the decreased activity of the methylmalonyl-CoA mutase enzyme that uses Cbl as the cofactor. Succinyl-CoA synthesis deficiency leads to decreased heme synthesis and gluconeogenesis. The re...
Iron deficiency anemia(IDA) is one of the most common nutritional problems in the world.children under 5 years old are considerd as the high risk group consisting a high proportion of IDA patients.in this group,due to the specific conditions,the complication of anemia may lead to serious consequences.this study was designed to determine the prevalence of IDA in 1-5 years old children.A total of...
The vitamin folate is required for methionine homeostasis in all organisms. In addition to its role in protein synthesis, methionine is the precursor to S-adenosyl-methionine (SAM), which is used in myriad cellular methylation reactions, including all histone methylation reactions. Here, we demonstrate that folate and methionine deficiency led to reduced methylation of lysine 4 of histone H3 (H...
Background: Vitamin D (Vit D) deficiency is one of the major nutritional deficiencies in children. Obesity has inverse association with vitamin D levels. The aim of this study was to determine the differences in response to conventional treatment for Vit D deficiency and insufficiency in obese and normal weight children and adolescents.Methods: This nested case control study was conducted in 69...
Introduction: Iron deficiency (ID) is the most prevalent nutritional disorder in the world. The prevalence of iron deficiency anemia (IDA) is about 9% in toddlers, 9-11% in adolescent girls and less than 1% in teenage boys. IDA presents when there is not sufficient iron for haemoglobin synthesis. In particular it has negative effects on the behavior, cognitive performance, immune system and phy...
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