Tag: immunohistochemistry
Galectin-3 as a marker distinguishing functioning from silent corticotroph adenomas
Eleni Thodou, Theodore Argyrakos, George Kontogeorgos
OBJECTIVE: Galectin-3 (Gal-3) belongs to the family of carbohydrate-binding proteins with high affinity for galactoside and is involved in many biological processes including cell growth and differentiation, cell adhesion, tumor progression, apoptosis and metastasis. The aim of this study was to disclose differences in the expression of Gal-3 in silent …
The gonadotroph origin of null cell adenomas
George Kontogeorgos, Eleni Thodou
OBJECTIVE: The term “null cell” adenoma was first proposed in 1980 to designate pituitary adenomas lacking clinical, biochemical and morphological markers to disclose their cell origin. DESIGN: The aim of this study was to investigate the presence of α- and β-gonadotropin subunits in clinically nonfunctioning pituitary tumors …