期刊
MOLECULAR AND CELLULAR ENDOCRINOLOGY
卷 309, 期 1-2, 页码 101-108出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.mce.2009.05.006
关键词
Nuclear receptors; Orphans; Gene expression; beta-Adrenergic
The nuclear hormone receptor (NR) 4A subgroup of orphan nuclear receptors includes three members, Nur77 (NR4A1), Nurr1 (NR4A2) and Nor-1 (NR4A3). Previously we have identified the rapid and robust(in vitro and in vivo) induction of the NR4A subgroup following beta-adrenergic stimulation in mouse skeletal muscle. This was concomitant with changes in the expression of genes involved in the regulation of nutrient metabolism. We have isolated mouse tissue of cardiovascular, endocrine and gastrointestinal origin at 1, 4, 8 and 24 h after a single intraperitoneal injection of the P-adrenergic agonist, isoprenaline. We similarly identified the significant induction (between 1 and 4h) of the NR4A genes in many of these tissues. Moreover, we have utilized TaqMan (R) Low Density Arrays to determine the beta-adrenergic-sensitive metabolic gene expression in liver, white adipose and heart. In summary, cross-talk between P-adrenergic and NR4A signaling occurs in several tissues, and is accompanied by modulation of metabolic gene expression. (C) 2009 Elsevier Ireland Ltd. All rights reserved.
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