1. Human growth hormone was prepared from acetone-dried residues after extraction of gonadotrophins from pituitary glands. 2. Crude growth hormone was purified by gel filtration on Sephadex, resulting in a product that is soluble in water or 0.5% sodium chloride. It is painless on injection and shows a twofold increase in biological potency. Aggregation of growth hormone on Sephadex columns can...

background:   objective: the purpose of this cross-sectional study was assessment of dose-response relationship between blood lead level (bll) and sex hormones levels in lead exposed male workers.   materials and methods: one hundred and thirteen male workers enrolled. all workers had at least 6 months of lead exposure and no history of diseases or conditions affecting reproductive system. bloo...

The metabolic and growth changes associated with pregnancy have stimulated interest in the assay of human growth hormone during pregnancy. Until recently no suitable method for the assay of this hormone in the circulation of normal subjects has been available. Methods, reported to be specific for human growth hormone and sensitive enough to give reliable estimates of the concentration of this h...

background: the aim of this study was to evaluate the effect of local injection of human growth hormone (gh) in stimulating cartilage and bone formation in a rabbit model of temporomandibular joint (tmj). materials and methods: in an experimental animal study, 16 male albino new zealand white rabbits aged 12 weeks were divided into two groups: in the fi rst group (7 rabbits) 2 mg/kg/1 ml human ...