Snail1 and Zeb1 are E-cadherin-transcriptional repressors induced during epithelialmesenchymal-transition (EMT). In this article we have analyzed the factors controlling Zeb1 expression during EMT. In NMuMG cells treated with TGF-β, Snail1 RNA and protein are induced one hour after addition of the cytokine preceeding Zeb1 up-regulation that requires six to eight hours. Zeb1 gene expression is c...

abd- al sami’ ibn-mohammad-ali- yazdi is one of the lettered, jurists & poets of 13th century (a.h) that has done valuable services to the arabic language and literature like so many other iranian. so far, there are only a few biographical books in which he has been mentioned or introduced. unfortunately he has been forgotten during the passage of time. most of his writings are in arabic and th...

â  â  â  â  narration elements in the story of mousa and khezr â  (based on character and time) â  â  sayyed reza solayman zadeh najafi * â  azim tahmasbi ** â  â  abstract â  â  the story consists of elements such as character and time and the story features. characters make story’s structure and there is not story without character . time element is also necessary for the story . each story...

abd al-wahhab al-bayyati(1926-1999) is one of those poets whose poems make frequent use of myths. drawing on the ancient myths, and making modifications to them, he tries, while enriching his literary work, to express his views more cogently he does not simply retell the traditional myths, rather, he present new and richer interpretations of these myths and using defamiliarization, conveys his ...

the place and character are important factors of a novel. in fact place is a framework in which the events happen and is divided into two types: open & close. the character is a dynamic element in novel progression; while plays an important role in formation, evolution and presentation of the place related events. the character itself divides into different types which the present paper focuses...