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. 2019 Apr 9;9:5800. doi: 10.1038/s41598-019-41701-4

Figure 4.

Figure 4

The representative photomicrographs show immunostaining of MEDAG, PPARG and ORO staining of normal thyroid and thyroid carcinomas. In normal thyroid samples, MEDAG staining was negative (A), and in some cases, PPARG immunostaining was negative (B), but ORO staining was positive (C). Lipid droplets were rarely found in PTMC (F), even though MEDAG and PPARG were highly expressed (D,E). There was a statistically significant association between the MEDAG over expression and PPARG expression (G). The ORO staining scores were different between paracancer and PTMC samples (P = 0.00009) (H). The potential for metabolic reprogramming was observed in PTMC (I). Yellow triangles show the lipid droplets in the cytoplasm. *Fisher’s Exact Test, **Wilcoxon test. Original magnifications: B × 100; A,C–F × 400.