background: increasing prevalence of obesity is a major health concern. lifestyle behaviors and diet play an important role in developing childhood obesity. the aim of this study was to determine the association between major dietary patterns and overweight/obesity in a group of iranian school‑aged children. methods: this cross‑sectional study was conducted in isfahan, iran with 637 elementary ...

introduction in this study, we aimed to calculate dose enhancement factor (def) for gold (au) and iron (fe) nanoparticles (nps) in brachytherapy and teletherapy, using monte carlo (mc) method. materials and methods in this study, a new algorithm was introduced to calculate dose enhancement by aunps and fenps for iridium-192 (ir-192) brachytherapy and cobalt-60 (co-60) teletherapy sources, using...

results our results revealed that the serum levels of tgf-β were significantly increased in chb patients in compare to healthy controls. conclusions according to this result, it may be concluded that high serum levels of tgf-β may be a mechanism by which immune response against hbv is suppressed. background the transforming growth factor-β (tgf-β) is an important cytokine with anti-inflammatory...

background the impact factor (if), as the most important criterion for journal’s quality measurement, is affected by the self-citation and number of publications in each journal. objectives to find out the relationship between the number of publications and self-citations in a journal, and their correlations with if. materials and methods self-citations and impact factors of nine top gastroente...

stroke, though rare in children is among the top 10 causes of death in childhood. incidence of ischemic and hemorrhagic stroke is the same in children .we report a case of hemorrhagic stroke in a two year old girl who presented with a limp, inability to stand on the left leg and left hemiparesia. her complaint began 10 days ago after a bout of left clonic seizure. she had been admitted to the h...

background: venous diseases including varicose veins and chronic venous insufficiency are one of the most important pathogenic factors worldwide. high prevalence of varicose veins and its complications is an emerging problem in the twenty-first century. this study aimed to determine the prevalence and associated risk factors of varicose veins in female hairdressers in shahroud, north of iran in...

purpose: to determine the incidence of retinopathy of prematurity (rop) and to evaluate the possible neonatal risk factors for rop among premature infants referred to farabi eye hospital during 2000-2002. methods: newborn infants with gestational age (ga) £ 37 wk or birth weight (bw) £ 2500 g were included. the first eye examination was performed 4-9 weeks after birth. data on possible risk fac...

background: the present study was designed to determine the risk factors that lead to bango abuse among secondary school student and drivers in assiut province. subjects and method: urine samples were taken from 1000 volunteers after filling a questionnaire, 500 students from different secondary schools and 500 drivers in assiut province. the risk factors that lead to bango abuse among drivers ...

human airway is generally destructed by inhaled factors and is the barrier to the external environment and has a crucial role in protection of the internal homeostasis of the lung. sulfur mustard (sm) is a chemical warfare that capable of producing severe chemical injuries primarily in the lungs. trefoil factor family (tffs) plays major roles in epithelial repair and homeostasis, particularly i...

anti-adhesion therapy represents a potentially promising avenue for the treatment and prevention of tuberculosis in a post-antibiotic era. adhesins are surface-exposed microbial structures or molecules that enable pathogenic organisms to adhere to host surfaces, a fundamental step towards host infection. although several mycobacterium tuberculosis adhesins have been identified, it is predicted ...