Fig. 2
From: 5-Hydroxymethylcytosine discriminates between parathyroid adenoma and carcinoma
Immunohistochemical analysis of a normal parathyroid tissue specimen (frozen) and paraffin imbedded PCs (n = 2). Top left, staining without primary antibody. Same numbering of the PCs as in Additional file 3: Table S3. Both carcinomas stained negative for 5hmC, carcinoma 2 positive for TET1, and carcinoma 8 negative for TET1. Scale bars, 50 μm (normal parathyroid) and 100 μm (PCs). Staining results of additional PCs are shown in Additional file 4: Figure S1