Fig. 6From: Novel sequential therapy with metformin enhances the effects of cisplatin in testicular germ cell tumours via YAP1 signallingA The expression levels of P-YAP1 and RB were investigated by immunohistochemical staining of the tumour tissue from xenografts. Images were captured at 400 × with an Olympus microscope. B The percentages of p-YAP1 and RB positive cells and their staining intensities were assessed by ImageJBack to article page