Reference : Cyclosporin A, rapamycin and FK506 decrease prolactin release from rat pituitary cells i...
Scientific journals : Article
Life sciences : Biochemistry, biophysics & molecular biology
http://hdl.handle.net/2268/19844
Cyclosporin A, rapamycin and FK506 decrease prolactin release from rat pituitary cells in primary culture
English
Wera, S. [> > > >]
Zheng, L. [> > > >]
Hooghe-Peters, E. L. [> > > >]
Belayew, A. [> > > >]
Martial, Joseph mailto [Université de Liège - ULg > Département des sciences de la vie > GIGA-R : Biologie et génétique moléculaire >]
Velkeniers, B. [> > > >]
1995
Endocrine Research
Taylor & Francis
21
3
623-33
Yes (verified by ORBi)
0743-5800
1532-4206
Philadelphia
PA
[en] Animals ; Cells, Cultured ; Cyclosporine/*pharmacology ; Female ; Immunosuppressive Agents/*pharmacology ; Kinetics ; Pituitary Gland, Anterior/*drug effects/*secretion ; Polyenes/*pharmacology ; Prolactin/*secretion ; Rats ; Rats, Wistar ; Sirolimus ; Tacrolimus/*pharmacology
[en] It is at present well established that prolactin exerts a non-specific immunoactivating function. In this work we tested whether the immunosuppressant drugs cyclosporin A, FK506 and rapamycin influence prolactin release from rat pituitary cells in primary culture. The tested drugs had no effect on the prolactin release measured during a 2h incubation period, indicating that they do not influence the secretion of prolactin from intracellular stores into the culture medium. During longer incubation times (48h), however, prolactin release was diminished to 56% +/- 18 (10 microM cyclosporin A), 64% +/- 14 (1 microM rapamycin) or 64% +/- 7 (1 microM FK506), suggesting an effect on prolactin production. At these drug concentrations no toxic effects were observed. The data indicate that inhibition of pituitary prolactin synthesis might contribute to the immunosuppressant action of cyclosporin A, rapamycin and FK506.
http://hdl.handle.net/2268/19844
1995/08/01

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