background: the present study was performed to investigate the effects of trace elements particularity se, zn and cu on tumor genesis in breast cancer. methods: the inhibitory effect of se, zn and cu, on telomerase activity was analyzed in human breast tumor tissues and breast cancer (t47d) cells. tissue specimens from 24 women with benign breast disease and 32 women with breast cancer specimen...

isoniazid, is the only antituberculous drug for which the relation between lack of virulence and acquisition of resistance was associated. inh-resistant mutants were shown to contain defective katg gene. classical studies showed that inh-resistant south indian isolates have lower virulence in guinea pigs and higher susceptibility to h2o2. it is of interest to assess the virulence in south india...

objectives in this study the association of phenotypes and activity of butyrylcholinesterase (buche) with serum level of lipid-lipoprotein and apolipoproteins during various phases of menstrual-cycle was determined. methods the study population consisted of 22 healthy women aged 19–25 years with regular menstrual cycles, 26–30 days in length. the serum levels of lipids, apolipoproteins, and buc...

to describe the relationship of blood lead levels (bll) and blood, δ-aminolevulinic acid dehydratase(alad) activity and haematocrit value(hct) to menopause , were examined 17 pre-or perimenopausal (prem) and 17 postmenopausal women (posm)from prishtina city, the capital ofrepublic kosovo. the mean age of the prem women was 28.8 years (21-46), with a mean blood lead level of 1.2 μg/dl (sd=0.583 ...

some important compatibility that occur with exercise is increase of the capillary density or angiogenesis. vascular endothelial growth factor (vegf) have mitogen role for endothelial cells and consider an important intermediary angiogenesis process. the purpose of this study was comparing the effect of two type of physical activity on response of serum vegf-a in non-athlete men. for this aim 1...