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BACKGROUND Alterations in platelet function and antioxidant status in children with iron-deficiency anemia (IDA) have been reported previously. The present study was performed to better understand possible interactions between these two systems. METHODS Erythrocyte superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GSH-Px) activity and(More)
In this study the hair zinc levels of 115 healthy subjects, 50 girls and 65 boys, between the age groups 0 to 15 years were determined by using atomic absorption spectrophotometry. The hair zinc levels obtained generally agree with those reported in the literature. The hair zinc levels of the subjects were studied as a function of age, sex and color of(More)
Selenium concentrations, in blood plasma, red blood cells, hair of 61 healthy children, ages 0-14 yr, were determined using hydride generation atomic absorption spectrometry. Starting from late lactation period, selenium concentrations in all these matrices were found to be increasing with age. A good correlation was found between erythrocyte and plasma,(More)
BACKGROUND The CD44, a cell surface proteoglycan, participates in a variety of function including tumor dissemination and metastasis. However, there are no available data on the prognostic significance of CD44 expression of tumor tissue correlated with serum sCD44 level in childhood leukemias and lymphomas. METHODS Serum levels and leukemic cell tumor(More)
Immunophenotyping of peripheral blood lymphocyte subpopulations is essential for the diagnosis and follow-up of children with immunodeficiencies and other immune disorders. The relative size and absolute number distributions (median and 5-95%) of lymphocyte subsets, including cord blood (Coulter, EPICS-XL) were examined by flow cytometry in 190 healthy(More)
Possible effect of three common mutations in (MTHFR 677 C-T; 1317 T-C; 1298 C-A) and FV 1691 G-A mutation was studied in Turkish patients with thrombosis and compared with normal controls. The case-control study included 68 patients with the diagnosis of deep vein thrombosis and 66 controls, consecutively selected among subjects without personal and(More)
Common mutations in three genes (MTHFR 677 C-T; MS 2756 A-G; CBS Exon 8,844 ins 68) in homocysteine metabolism have been shown to cause increased plasma homocysteine levels thus causing a predisposition to thrombosis. FV 1691 G-A mutation, which is very common in the Turkish population, was also studied. As there is no existing data in the Turkish(More)