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Articles by H. S Sul
Total Records ( 1 ) for H. S Sul
  F. M. J Jacobs , A. J. A van der Linden , Y Wang , L von Oerthel , H. S Sul , J. P. H Burbach and M. P. Smidt
  Frank M. J. Jacobs, Annemarie J. A. van der Linden, Yuhui Wang, Lars von Oerthel, Hei Sook Sul, J. Peter H. Burbach, and Marten P. Smidt

The orphan nuclear receptor Nurr1 is essential for the development of meso-diencephalic dopamine (mdDA) neurons and is required, together with the homeobox transcription factor Pitx3, for the expression of genes involved in dopamine metabolism. In order to elucidate the molecular mechanisms that underlie the neuronal deficits in Nurr1-/- mice, we performed combined gene expression microarrays and ChIP-on-chip analysis and thereby identified Dlk1, Ptpru and Klhl1 as novel Nurr1 target genes in vivo. In line with the previously described cooperativity between Nurr1 and Pitx3, we show that the expression of Ptpru and Klhl1 in mdDA neurons is also dependent on Pitx3. Furthermore, we demonstrate that Nurr1 interacts with the Ptpru promoter directly and requires Pitx3 for full expression of Ptpru in mdDA neurons. By contrast, the expression of Dlk1 is maintained in Pitx3-/- embryos and is even expanded into the rostral part of the mdDA area, suggesting a unique position of Dlk1 in the Nurr1 and Pitx3 transcriptional cascades. Expression analysis in Dlk1-/- embryos reveals that Dlk1...

 
 
 
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