Stem cell biology in thyroid cancer: Insights for novel therapies

Figure 1 Histological images showing subcutaneous thyroid cancer mouse model. A: Hematoxylin and eosin stained microphotograph of tumor xenografts engrafted human thyroid cancer cell line (K1) with adipose-derived stem cells (ASCs) (× 100); B: HE microphotograph of lung metastasis (red arrows) in the group transplanted with K1 cells and ASCs (× 200). Methods of image acquisition: Tumor and organs removed from mouse, photographed, and stored in 10% neutral buffered formalin for paraffin sectioning and HE staining. Tumor tissue were sectioned and stained with HE[28].