mycobacterium tuberculosis, the main cause of tuberculosis (tb), has still remained a global health crisis especially in developing countries. tuberculosis treatment is a laborious and lengthy process with high risk of non compliance, cytotoxicity adverse events and drug resistance in patient. recently, there has been an alarming rise of drug resistant in tb. in this regard, it is an unmet need...

apoptosis or programmed cell death is a gene regulated phenomenon which is important in both physiological and pathological conditions. it is characterized by distinct morphological features including chromatin condensation, cell and nuclear shrinkage, membrane blebbing and oligonucleosomal dna fragmentation. although, two major apoptotic pathways including 1) the death receptor (extrinsic) and...

objectives: auditory brain stem response (abr) is a result of eight nerve and brain stem nuclei stimulation. several factors may affect the latencies, interpeak latencies and amplitudes in abr especially sex and age. in this study, age and sex influence on abr were studied. methods: this study was performed on 120 cases (60 males and 60 females) at akhavan rehabilitation center of university of...

in biotechnology has been concentrated to review alternative routes for the production of natural compounds. plant cell culture systems are viable alternatives for the production of secondary metabolites that are of commercial importance in food and pharmaceutical industries. however, relatively very few cultures synthesize these compounds over extended periods in amounts comparable to those fo...

anotomical boundary of atrioventricular node reentrant tachycardia (avnrt) is composed of fast and slow pathways right atrium in upper turnaround and common distal pathway in lower turnaround. we performed electophsiologic study (eps) in 152 patients and could show the existence of distal common pathway with decremental conduction properties in approximately 40 patients.