the provision of an adequate quantity of cells with proper function and purity is one of the main challenges of tissue engineering studies. stem cells, with their self-renewal and differentiation capacity, are considered one of the main cell sources in the field of tissue engineering. previously, the use of chemical factors seemed to be the only possible way for stem cell differentiation. howev...

cancer stem cells (cscs) have been defined as a unique subpopulation in tumors, endowed with the capacity to initiate tumor progression, maintain self-renewal as well as metastatic potential. recently, more evidence strongly indicates the existence of cscs in solid tumors of wide variety of organs such as breast, brain and stomach. recent studies suggest that a special subpopulation of gastric ...

embryonic stem cells (escs) as pluripotent stem cells have the potential to give rise to all three germ layer cells. also, these cells have the self-renewing ability. escs could differentiate into most of cell lineages. lymphocytes generated from hematopoietic stem cells. we designed a feeder free culture condition to generate lymphoid lineage cells from escs. we demonstrated that il-7 plays cr...

this study is aimed at comparing life expectancy, resilience and differentiation between adolescents of single-child and multi-child families living in khorramabad, iran. this is a causal-comparative study and the statistical population consisted of all the male and female adolescent students in the middle and high schools of khorramabad in the academic year 2015-2016. the sample included 150 s...

hyaline cartilage is a vascular and neural tissue with scanty chondrocytes and limited regenerative ability. after some serious injuries of the cartilage, healing process will take place through the formation of fibrocartilage structures. currently, tissue engineering and cell therapy are 2 interesting therapeutic fields dealing with regenerative medicine. in this regard, tissue regeneration ha...

background: sertoli cells play a pivotal role in creating microenvironments essential for spermatogonial stem cells (sscs) self-renewal and commitment to differentiation. maintenance of sscs and or induction of in vitro spermiogenesis may provide a therapeutic strategy to treat male infertility. objective: this study investigated the role of luekemia inhibitory factor (lif) on the propagation o...

Günümüz pazarında birbirine çok benzeyen ürünler ile tüketicilerin zihninde ayrışmak, tercih sebebi haline gelmek, bu edilme halini sürdürüp bir bağ kurabilmek markalar için oldukça önemlidir. Markaların tüketicileri kurdukları geçmişleri ilintili ise nostaljik olarak adlandırılmaktadır. Geçmiş ve geçmişe ait yaşantılar kişinin benliğinin oluşumunda belirleyici olabilmektedir. Bu çalışmanın tem...