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Gene expression changes in the liver (a, c) and BAT (b, d) after cold exposure (a, b) and TRH administration in the PVN (c, d). Gene expressions are relative to the geometric mean of two reference genes (Gapdh and Hprt) and normalized to the corresponding controls. n = 6-10 per group. * p < 0.05, ** p < 0.01, *** p < 0.001.
