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ROR gamma/RORC/NR1F3, aka RAR Orphan Receptor gamma, is a Nuclear Receptor 1 Thyroid Hormone-Like receptor containing a short A-T rich sequence follow by a single core motif half-site 5'-AGGTCA-3'. RORC is a key regulator of thymopoiesis, bone metabolism, T-cell apoptosis, and lymphoid organogenesis. NR1F3 regulates intrinsic transcriptional functions. Unlike other major nuclear receptors, RORC binds as a monomer to hormone response elements and is documented in mouse thymus, adipose, bone, skeletal muscle, liver, kidney, and human skeletal muscle. An N-terminal isoform of ROR gamma, ROR gamma T, inhibits Fas ligand expression and cytokine secretion in immature thymocytes.