Immunocytochemistry for β-catenin, JNK, and NFAT5 in normal pituitaries, ACTH-secreting pituitary tumor, GH-secreting pituitary tumor, and non-secreting pituitary tumor (x40).

<p>ACTH and GH immune positivity are shown in the region of the tumor sample immunostained for β-catenin, JNK and NFAT. Craniopharyngioma tissue and two positive samples from GH-secreting pituitary tumors were used as positive controls for β-catenin, NFAT5, and JNK antibodies, respectively.