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background: factor vii concentrates are used in patients with congenital or acquired factor vii deficiency or treatment of hemophilia patients with inhibitors. in this research, immunoaffinity chromatography was used to purify factor vii from prothrombin complex (prothrombin-proconvertin-stuart factor-antihemophilic factor b or ppsb) which contains coagulation factors ii, vii, ix and x. the aim...

many investigations have proved relations between abo blood groups with some diseases and factor viii and von willebrand level in plasma. in this study we investigated a relation between abo blood groups and factor viii and ix inhibitors in 102 patients with haemophilia a and 48 patients with haemophilia b. the assay of inhibitor was done by bethesda method. there were no relation between abo b...

objective: the aim of this study is to explore the confirmatory factor analysis results of the persian adaptation of abbreviated math anxiety scale (amas), proposed by hopko, mahadevan, bare & hunt. method: the validity and reliability assessments of the scale were performed on 298 college students chosen randomly from tabriz university in iran. the confirmatory factor analysis (cfa) was carrie...

background and objective: vascular endothelial growth factor (vegf) and its receptors (vegf-r1 and r2) are major regulators of angiogenesis. this study was designed to assess serum levels of vegf and vegf-r1 and their prognostic significance in newly diagnosed childhood acute leukemia. materials and methods: for this purpose, vegf and vegf-r1 were determined using enzyme linked immuno-sorbant a...

brassica chinensis l. is a popular vegetable, especially in asian dishes. for plant growing withinorganic fertilizer, cadmium (cd) has been one of the highest metal and health-risk factors included. thisresearch aimed to assess the bioaccumulation of cd by the plant and its genetic changes. the plant was grownin the soil supplemented by cd at 0, 15, 30, 60 and 120 mg/kg. the accumulations in th...

background: factor xiii (fxiii) is a heterotetramer composing two subunits including fxiii-a and fxiii-b. several common gene variations were observed in fxiii-a gene with obvious ethnic difference. this study assessed pattern of tyr204phe as a common fxiii-a gene variation among iranian population. materials and methods: this study was conducted on eighty iranian unrelated individuals. genotyp...

patients with coagulation factor(s) deficiency who use coagulation therapy are susceptible to forming inhibitors against coagulation factor(s). in this survey we detected factor v and viii inhibitor in ten patients with combined deficiency of factors v and viii from north east of iran (khorassan province). it was revealed in our survey that eight patients had both factor v and factor viii inhib...