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Description
80 , 81 Copper is a trace element essential for melanin biosynthesis

If you have a lot of T4 and little T3, we know that something is blocking T4 from converting to T3 and that something is likely high reverse T3
doi:10.1002/(SICI)1098-1136(199709)21:1 3.0.CO;2-W Hassel B, Westergaard N, Schousboe A, Fonnum F (1995) Metabolic differences between primary cultures of astrocytes and neurons from cerebellum and cerebral cortex

The target GST genes and their primers were listed in Additional file 2: Table S2