background: engineering new bone tissue with cells and a synthetic extracellular matrix represents a new approach for the regeneration of mineralized tissues compared with the transplantation of bone (autografts or allografts). methods: in this study, to mimic the mineral and organic component of natural bone, hydroxapatite (ha) and gelatin (gel) composite scaffolds were prepared. the raw mater...

the transcriptional factor sox2 regulates the expression of some of the developmental genes, which are essential for the maintenance of pluripotency of stem cells. sox2 also expresses in the female gamete during folliculogenesis, but its role remains ambiguous. the aim of this study was to investigate the expression of sox2 in the mice ovarian tissue during different stage of estrous cycle. adu...

objective(s):diabetes plays an important role in the induction of the liver injury. grape seed proanthocyanidin (gsp) have a wide range of medicinal properties against oxidative stress. in this study we evaluated antioxidant effects of gsp on liver in streptozotocin-induced diabetic rats. materials and methods: thirty male sprague–dawley rats were divided into three groups: control, untreated d...

objective(s): gentamicin is used for the treatment of gram-negative bacterial infections. however, gentamicin administration is limited because of nephrotoxicity. the aim of the present study was to evaluate the protective effect of crocin against gentamicin-induced nephrotoxicity in rats. materials and methods: thirty two male wistar rats received gentamicin (100 mg/kg, ip), with or without cr...