background: among most of the hepatic diseases, elevation of alanine amino transferase (alt) level is the hallmark of hepatocyte necrosis. but, no study has been performed in this field in iran. materials and methods: this study is designed to compare the grade, stage, and histological activity index (hai score) of liver pathology between patients with normal serum alt and elevated serum alt. i...

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efficiency of enzymes which are used in industrial or environmental applications is highly dependent on their thermal stability. in this study, the stability of dfpase has been evaluated after introducing disulfide bonds to the structure. the results obtained from a series of protein design software were subjected to molecular dynamics simulation at different temperature to test the performance...

to determine the importance of q 10 h 2 as an antioxidant in cancer, we measured the activity of lipoamide dehydrogenase (q 10 h 2 recycling enzyme) in hl-60 and normal lymphocyte. the cultured cells of hl-60 and human normal lymphocytes were assayed in cell lysate of given number of both hl-60 and normal lymphocyte. the activity of lipoamide dehydrogenase and the protein concentration were det...

Diagnosis of myocardial infarction is very important in a patient with chest pain. Chest pain is not always present or it may be from other causes rather than myocardial infarction. Q wave is present in 30] of infarction. ST,T wave changes are present in all myocardial infarctions, but these changes also are present in myocardial ischernia.  For these reasons diagnosis of myocardial infarction...