background and aims: in this lab trial, the effect of scaffold based on human serum albumin (hsa) and hydroxyapatite nanoparticles (ha nps) on mouse spermatogonial cell line (scl) was investigated. materials and methods: to synthesize ha nps, calcium nitrate and diammonium phosphate at ph 13 were gently added and heated at 100 ºc for 24 hours. then serial concentrations of ha nps was separately...

background: cryptosporidium is a protozoan parasite causes cryptosporidial diarrhea , which is typically a short-lasting benign infection, but can become severe and non-resolving in immunocompromised individuals. the aim of the present study was to determinate the prevalence of cryptosporidium infection in livestock and humans that were in contact with livestock in hamadan district, iran. metho...

background hepatitis c virus (hcv) is the major cause of chronic liver disease. hcv is a single stranded positive sense rna of approximately 9.6 kb. because of high conservativeness of 5΄untranslated region of hcv genome, it is widely used for virus genotyping. different methods are used for the virus genotyping, but all involve some difficulties. objectives the aim of the present study was to ...

discussion bladder over-distention and spontaneous bladder rupture, although very rare in ham/tsp, should be considered in a differential diagnosis of bladder rupture, especially in patients with a history of htlv1. introduction spontaneous bladder rupture is a rare manifestation of hyporeflexic bladder due to ham/tsp( human t-cell lymphotropic virus type 1 (htlv1) associated myelopathy/tropica...

background: cryptosporidium is a protozoan parasite with worldwide distribution. the aim of this study was to estimate the prevalence of cryptosporidium infection by antigen detection in faeces among immunocompromised patients referred to educational hospitals of ahvaz city, south-west of iran, 2009-2010. methods : fecal samples from 176 immunocompromised patients were collected and cryptospori...

acrylamide (aa) is an important industrial chemical agent that is mainly used in the production of polymers and copolymers. recently it has been attention because of its production in the diet at high-temperature (>120 ºc) processes such as cooking, frying, toasting, roasting or baking of high carbohydrate foods. according to high exposure to acrylamide, recognition of its toxic effect is neces...

due to consuming about 50%-80% of health resources, hospitals are the greatest and costly operational units in iranian health system. so allocation of resources specially human and space resources as the most expensive ones is really important for further controlling of costs, analysis of costs and making suitable policies for increasing the profitability and allocation of resources and improve...

background: an explosion of research has been done in discovering how human health is affected by environmental factors. i will discuss the impacts of environmental cancer causing factors and how they continue to cause multiple disruptions in cellular networking. some risk factors may not cause cancer. other factors initiate consecutive genetic mutations that would eventually alter the normal p...

background patients with beta thalassemia suffer from increased susceptibility to infections and putridity plays a major role in the patient's morbidity and mortality. the risk of transfusion-transmitted viral infection is well known in these patients. however, there is dearth of information about the seroprevalence of herpes simplex virus (hsv) infection in patients with beta thalassemia in li...