roads are crucial to our everyday lives as we use them  by driving, riding, walking or travelling as a pedestrian. worldwide, more than  1.2 million people are killed on roads every year and up to 50 million more are injured; with most casualties from developing countries. in addition to different disabilities, road.accidents cause extensive psychological disorders and grief, and occasionally e...

human papillomavirus (hpv) is one of the most common causes of sexually transmitted diseases worldwide and is the etiological agent of cervical and other anogenital malignancies. since hpvs have been shown to possess oncogenic potential, an association between hpv infection and prostatic cancer (pca) has been suggested. there are conflicting reports on the impact of hpv infection on the develop...

the poultry red mite, dermanyssus gallinae is one of the most economically important ectoparasites in hens and some species of mammals worldwide. cases of human infestation have been reported worldwide. in this study we report infestation in three members of a family referred with pruritus and allergic dermatitis rash. they have collected very small animals and carried them to the laboratory wh...

a familiar criticism of kant, made by hegel and his followers, j .s. mill and others, is that there are no maxims that are in fact contradictory, as required for morality on kant's view. in this paper, i discuss the suggestion that our capacity for rational reflection itself implies universality, and that it is this universality that obliges us to act morally. i consider the idea that self...

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...