Background: Mustard gas is a disabling chemical weapon and was widely used in first world war and Iraq-Iran war. Its toxic effects could be acute or chronic and they could particularly affects lungs, eyes and skin. Objective: To study the frequency of chronic complications of sulfure Mustard gas in Iranian victims 14 to 20 years after exposure. Patients and Methods: This descriptive cross-secti...

objective(s) human papillomavirus (hpv) infections are related to the genesis of various benign lesions and some malignant tumors, but no clear relationship has been identified so far between the subtypes of hpv and skin tag. materials and methods the present case-control study was designed to detect the existence of low risk and high risk hpv types in lesions of 50 patients with skin tag (case...

original article   occupational diseases are any chronic ailment that occurs as a result of work or occupational activity. this study was conducted to examine the frequency and risk factors of some skin and musculoskeletal disorders among nurses at a referral-teaching hospital. all 197 nurses in the hospital from different working shifts were engaged in the study. all nurses filled out a questi...

The sun's DNA-damaging ultraviolet (UV) radiation remains the major extrinsic risk factor for skin cancer development. Nevertheless, mammalian cells exploit presence of nucleotide excision repair (NER) pathway as a protective shield to eliminate accumulation photoproducts triggered by UV radiation. Xeroderma Pigmentosum C (XPC) is key multifunctional protein implicated in NER acting sensor DNA ...

A pacemaker, regularly emitting chemical waves, is created out of noise when an excitable photosensitive Belousov-Zhabotinsky medium, strictly unable to autonomously initiate autowaves, is forced with a spatiotemporal patterned random illumination. These experimental observations are also reproduced numerically by using a set of reaction-diffusion equations for an activator-inhibitor model, and...