background: the most common laryngeal mass in children is recurrent respiratory papillomatosis (rrp). studies have attempted to correlate viral typing and its aggressiveness. method: 29 patients with histologically confirmed rrp enrolled in adjuvant therapies. patients underwent several surgical interventions. results: hpv genotyping demonstrated 45% hpv-6 and 55% hpv-11. the mean age at the fi...

purpose: to evaluate the effect of human amniotic fluid (haf) on the growth of human corneal endothelial cells (hcecs) and to establish an in vitro method for the expansion of hcecs. methods: hcecs were cultured in dmem-f12 supplemented with 20% fetal bovine serum (fbs). confluent monolayer cultures were trypsinized and passaged using 20% fbs- or 10%, 20%, or 30% haf-containing media. cell prol...

background: hydatidosis is one of the most prevalent zoonotic diseases worldwide. so far no survey was conducted to deter mine the rate of human hydatidosis in golestan province, so using ifa and elisa tests the prevalence of this disease was detected in patients referred to health centers in this province. methods: totally 1024 serum samples were collected from patients referred to different h...

a case of isospora hominis infection was revealed by stool examination using formol- ether concentration technique. the patient was a 26 year-old female from rural area of babol, caspian sea littoral, with complaints of abdominal discomfort.

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the human leukocyte antigen has become a key component in investigating the genetic relationships between populations. the aim of this study was to determine the genetic diversity of hla class i and ii alleles among zaboli ethnic group of south-east iran to establish a database for further investigations on ancestry and the genetic factors contributing to complex diseases in this region. unrela...

immunoglobulin e is one of the five classes of immonoglobulins that plays an important role in allergic diseases. production of monoclonal antibodies by a single clonotype against different epitopes of immunoglobulin e has high priority in development of diagnostic kits. in this study, an attempt was made to produce monoclonal antibodies against human immunoglobulin e. balb/c mice were immunize...

operator's role in industrial control centers takes place in time, which is one of the most important determinants of whether an expected action is going to be successful or not. in certain situations, due to the complex nature of the work, the existing interfaces and already prepared procedures do not meet the dynamic requirements of operator's cognitive demands, making the control tasks unnec...

background globally, almost 20% of cancers are related to infectious agents that can be prevented. oncogenicity refers to viruses that may cause cancers, more importantly in immunocompromised subjects such as transplant and hemodialysis patients. therefore, epidemiological studies are the first line for understanding the importance of these agents in public health, particularly, in mobile popul...