background: radiotherapy has many side effects on fertilization in young women. radiation can lead to ovarian failure in women who underwent abdomen or pelvic radiotherapy. objective: this study helps us to investigate ovarian response of nmri female mice to ovarian stimulating hormones (pmsg, hcg) after whole-body gamma irradiation. materials and methods: 45 pregnant mice were divided into two...

tuberculosis is one of the most common infectious diseases in the world. in recent years, genetically approach has been developed. one of the interesting gene for investigator is ifn-γr1. in this study we determind susceptibility to tuberculosis with polymorphism of ifn-γr1 gene. fifthly patients with smear positive tuberculosis have been chosen randomly. they were matched with 54 healthy contr...

the gamma irradiation has been used for end sterilization of allograft bones and its effects with a 25 kgy dosage on the osteoinductive properties of demineralized bone allograft powder was studied. this work carried out using an experimental method in an animal model. in this study the demineralized bone allograft powder which had been sterilized and prepared with gamma irradiation in a 25 kgy...

toxoplasmosis is a protozoal infection caused by toxoplasma gondii. toxoplasmosis produce severe damage in patients who are immunosuppresed. in those who are immunosupressed, latent infection can be reactivated resulting in acute disseminating disease. betamethasone is a synthetic glycocorticoid, used as an anti-inflamatory and immunosuppressant in a wide variety of disorders.the aim of this st...

results the results showed that children with a higher weight z-score spend more time in sedentary activities and less time running or involved in active games. scd-1 activity index, arachidonic/linoleic index, and adipocyte volume were significantly higher in children with a weight z-score greater than 0. the preadipocyte number and the genetic expression of the studied genes did not differ be...

introduction: scatter radiation is one of the major sources of error in nuclear medicine data processing. different methods of scatter correction have been introduced in order to improve the quality of data. however the best method is to avoid recording of scatter photons in acquisition. the only difference between scattered and non-scattered photons is the energy. pulse height analyzer is the ...

background and objectives: nasturtium officinale w.t.aiton (brassicaceae) is used as an edible vegetable in various parts of iran. the aim of the present study was to investigate the protective activity of the methanolic extract of nasturtium officinale against gamma-radiation-induced hepatotoxicity in terms of histopathological changes. methods: male c57 mice were divided into 10 groups. group...

in spite of the technologies developed during the last decade, the level of food loss is still high and is reported in many countries. according to the united nations, more than 30 per cent of the mortality rate world-wide is caused by alimentary diseases. the desire of most countries to make food safer for consumption requires better food preservation and production techniques. in this regard,...

large quantities of radiopharmaceuticals prescribed for treatment and diagnosis are excreted through kidney. therefore, radiation unwanted dose is created in kidney. as a result, exact calculation of prescribed radiopharmaceuticals amount is important. monte carlo method is used for simulation of radiation transport in body due to random nature of radiation. in this research, for the first time...

gamma-amino butyric acid (gaba) possesses several physiological functions such as neurotransmission, induction of hypotension, diuretic and tranquilizer effects. production of gaba-enriched products by lactic acid bacteria has been a focus of different researches in recent years because of their safety and health-promoting specifities. in this study, glutamate decarboxylase (gad) gene of a loca...