background: kaposi’s sarcoma is a vascular malignancy, which frequently occurs among immunocompromised individuals such as transplant recipients and patients with acquired immunodeficiency syndrome. human herpesvirus 8 (hhv-8) is considered the etiological agent of all forms of kaposi’s sarcoma. though some seroepidemiological studies conducted on the prevalence of hhv-8 in iran, there are insu...

objective(s): to investigate the expression of human papilloma virus (hpv) l1 capsid protein, and human telomerase rna component (hterc) in cervical cancer and the role of detection of both genes in screening of cervical cancer.   materials and methods: a total of 309 patients were recruited and cervical exfoliated cells were collected. immunocytochemistry was employed to detect hpv l1 capsid p...

background: norepinephrine plays a trophic role in the control of cell replication and differentiation in target cells that express adrenergic receptors. methods: in this study, we have tested the influence of infraphysiological, physiological and supraphysiological concentrations (0.0001 nm, 1 nm, 10000 nm) of human norepinephrine on the proliferation of breast cancer cells (human breast adeno...

background: progressions in science and technology have generated several methods for delaying preterm delivery and abortion; therefore, discovering an easy, non-invasive, practical, and non-expensive predictive factor can help us to perform preventive methods in healthy pregnant women, without any risk factors. objective: to indicate an appropriate index for predicting abortion in early pregna...

cancer cell-stromal cell interaction plays a crucial role in the growth and invasion of tumor cells of various organs. it has been recently suggested that adipocytes and preadipocytes, two specific types of stromal cells, affect the biological behavior of variety of breast cancer cell lines. in spite of few investigations, there is a controversy in the literatures about the effects of adipocyte...

background : lindane is an insecticide which is used in commercial insecticides and food containers. caseâ presentation : herein, we reported on a 62-year-old man with liver cirrhosis 12 years after continuous exposure to lindane gas.the diagnostic workup showed no other possible cause, and findings of liver scintigraphy and clinical manifestations were compatible with substance-induced cirrhos...

background pandemic flu is a concerning problem with potentially high mortality and morbidity rates, so needs a proper health system response in each country. objectives to evaluate the nationwide health system response in iran after declaration of h1n1/swine flu pandemic in june 2009. patients and methods a surveillance system in all regions of country was implemented upon declaration of pande...

background car accidents are one of the major causes of death and serious injuries all over the world. human factors, especially psychological factors play an important role in accident occurrence. objectives this study was conducted in order to determine the relationship between self-control and car accidents based on demographic factors in gonabad, in 2011. patients and methods in this correl...