There are high unmet medical needs in the few established therapies for several autoimmune, inflammatory and metabolic diseases. Despite the diverse clinical manifestations of these diseases, Retinoic Acid Receptor-Related Orphan Receptors (RORs) regulate and contribute to the pathogenesis of these diseases through modulation of immune responses and lipid/glucose homeostasis. Only recently has the critical regulatory role of RORs been well-characterized and target validated in several animal models of some of these diseases.
RORs are transcription factors which belong to the nuclear hormone receptor superfamily (Jetten (2009) Nucl. Recept. Signal., 7:e003; Jetten et al. (2013) Front Endocrinol. (Lausanne), 4:1; Jetten & Joo (2006) Adv. Dev. Biol., 16:313-355). The ROR subfamily consists of three major isoforms: RORα (NR1F1), RORβ (NR1F2), and RORγ(NR1F3), encoded by the RORA, RORB and RORC genes, respectively. RORs are multidomain proteins that contain four principal domains typical of nuclear receptors: a highly variable N-terminal A/B domain, a highly conserved DNA-binding domain (DBD), a ligand binding domain (LBD) that contains the ligand-dependent activation function-2 (AF-2), and a hinge domain between the DBD and LBD. Each ROR gene through alternative splicing and promoter usage generates several ROR isoforms that differ only in their amino-terminus.
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Date of publication: 12 May 2016; Patent Applicaton: 14/988309
Inventor information: Gaweco, Anderson (Brooklyn, NY, US); Tilley, Jefferson W. (Brend, OR, US); Walker, John (St. Charles, MO, US); Palmer, Samantha (Brooklyn, NY, US); & Blinn, James (O’Fallon, MO, US)