Mapping of the DEGs to KEGG pathways showed that the pathways of mitophagy-animal (mmu04137), autophagy-animal (mmu04140), and FoxO signaling (mmu04068), etc. were significantly enriched in upregulated genes, while protein digestion and absorption (mmu03320), PPAR signaling (mmu03320), and autoimmune thyroid disease (mmu05320), etc. were significantly enriched in the downregulated genes. This evidence concerns the gene PPARA and autoimmune thyroid disease.