7 resultaten
Multiple forms of PRL differing in their physicochemical and biological characteristics have been described. We have analyzed the molecular forms of human (h) PRL released in culture by pure hPRL-secreting tumors with a particular attention to glycosylated hPRL. The prolactinoma cells from six
BACKGROUND
prolactinomas are pituitary adenomas that express and secrete prolactin. These patients are overweight and the mechanisms are being studied.
OBJECTIVE
assess nutritional and metabolic status of overweight patients with and without hyperprolactinemia caused by prolactinoma and compare
Prolactin (hPRL) secreted by human prolactinoma cells in culture was purified by gel filtration, lectin affinity chromatography and gel electrophoresis in order to identify the different isoforms of the hormone and to test their respective immunoreactivities and bioactivities. The nonglycosylated
In the decade since the discovery of specific opioid receptors in the brain, there have been rapid advances in our understanding of the physiological and pathological roles of the endogenous opioid systems in humans. Endogenous opioid peptides have been demonstrated to play a role as modulators of a
To analyze the role of individual glycosylation pattern on PRL biopotency, monomeric prolactin (PRL), secreted by human prolactinoma cells in culture, was isolated by gel filtration and separated by affinity chromatography on Concanavalin A-Sepharose or Lentil-Agarose. These lectins allowed the
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
Hyperprolactinaemia is suggested to be associated with metabolic and hormonal complications. No previous study has compared the effect of different dopamine agonists on plasma lipids, carbohydrate metabolism markers and cardiovascular risk factors in patients with elevated prolactin levels. The