Multiple signaling pathways regulate the transcriptional activity of the orphan nuclear receptor NURR1

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Multiple signaling pathways regulate the transcriptional activity of the orphan nuclear receptor NURR1

The orphan nuclear receptor nurr1 (NR4A2) is an essential transcription factor for the acquisition and maintenance of the phenotype of dopamine (DA)-synthesizing neurons in the mesencephalon. Although structurally related to ligand-regulated nuclear receptors, nurr1 is functionally atypical due to its inability to bind a cognate ligand and to activate transcription following canonical nuclear r...

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NGFI-B nuclear orphan receptor Nurr1 interacts with p53 and suppresses its transcriptional activity.

Nurr1 is a member of the NGFI-B nuclear orphan receptor family which includes two other members, Nur77 and Nor-1. Nurr1 is essential for the development and survival of dopaminergic neurons. It was reported that Nurr1 has antiapoptotic functions, however, the mechanisms by which Nurr1 mediates these effects remain unknown. Here, we show that overexpression of Nurr1 decreases Bax expression wher...

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Orphan nuclear receptor Nurr1 directly transactivates the promoter activity of the tyrosine hydroxylase gene in a cell-specific manner.

Tyrosine hydroxylase (TH) catalyzes the first and rate-limiting step of catecholamine synthesis and its expression is necessary for neurotransmitter specification of all catecholaminergic neurons, while dopamine beta-hydroxylase (DBH) is essential for the noradrenergic phenotype. In the present study, we show that Nurr1, an orphan nuclear receptor critical for dopaminergic (DA) neuron developme...

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Parathyroid hormone induces expression of the nuclear orphan receptor Nurr1 in bone cells.

Following PTH treatment, immediate changes in osteoblast gene expression involve induction of primary response genes. Primary gene products subsequently mediate the osteoblast response to PTH. Using representational difference analysis (RDA) to isolate primary genes induced by PTH in osteoblasts, we identified Nurr1, a member of the NGFI-B nuclear orphan receptor subfamily. Nurr1 binds DNA as a...

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ژورنال

عنوان ژورنال: Nucleic Acids Research

سال: 2006

ISSN: 0305-1048,1362-4962

DOI: 10.1093/nar/gkl712