%0 Journal Article %T NFAT regulates CSF-1 gene transcription triggered by L-selectin crosslinking %A Chen %A Cuixia %A Cui %A Lingling %A Shang %A Xin %A Zeng %A Xianlu %J Biocell %D 2010 %I Universidad Nacional de Cuyo %X l-selectin is a member of the selectin family that play an important role both in mediating the initial capture and subsequent rolling of leukocytes along the endothelial cells. furthermore, l-selectin can function as a signal molecule. in our previous studies, we reported that l-selectin ligation could regulate csf-1 (colony-stimulating factor-1) gene transcription, in which ap-1 acts as a crucial transcriptional factor. here we investigated the function of the nfat in the csf-1 gene transcriptional events. we found that overexpression of wt nfat induce csf-1 gene transcription greatly in the activated jurkat cells. furthermore, we found that nfat can be recruited to the nucleus after l-selectin ligation, and the nuclear nfat interacts with the csf-1 promoter region to regulate csf-1 gene transcription in the l-selectin ligation activated jurkat cells. these results indicate that nuclear nfat can activate csf-1 gene transcription by connecting with the csf-1 promoter in the signaling events induced by l-selectin ligation. %K signal transduction %K gene transcription %K nuclear transcriptional factor. %U http://www.scielo.org.ar/scielo.php?script=sci_abstract&pid=S0327-95452010000200001&lng=en&nrm=iso&tlng=en