What causes a prolactinoma to be aggressive or to become a pituitary carcinoma?

Jana Phillips, Honey E. East, Sarah E. French, Eugen Melcescu, Robert D. Hamilton, William C. Nicholas, Jonathan F. Fratkin, Andrew D. Parent, Gustavo Luzardo, Christian A. Koch

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INTRODUCTION: Malignant prolactinoma is an exceedingly rare endocrine tumor and cannot be diagnosed on histological grounds alone. Similarly to other neuroendocrine tumors such as pheochromocytoma, the mitoses index, Ki-67, p53, and others are utilized in helping understand …

Hormonal responses following eccentric exercise in humans*

Anastassios Philippou, Maria Maridaki, Roxane Tenta, Michael Koutsilieris

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OBJECTIVE: Mechanically overloaded muscle and its subsequent damage are strong stimuli for eliciting acute hormonal changes, while the muscle adaptation which occurs following exercise-induced muscle damage may involve complex hormonal responses before the completion of muscle regeneration. The purpose of this study was to investigate systemic responses of various hormones, as well as secreted proteins that are exercise-regulated and associated with muscle adaptation …