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Article (Scientific journals)
Cyclosporin A, rapamycin and FK506 decrease prolactin release from rat pituitary cells in primary culture
Wera, S.; Zheng, L.; Hooghe-Peters, E. L. et al.
1995In Endocrine Research, 21 (3), p. 623-33
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Keywords :
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
Abstract :
[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.
Disciplines :
Biochemistry, biophysics & molecular biology
Author, co-author :
Wera, S.
Zheng, L.
Hooghe-Peters, E. L.
Belayew, A.
Martial, Joseph ;  Université de Liège - ULiège > Département des sciences de la vie > GIGA-R : Biologie et génétique moléculaire
Velkeniers, B.
Language :
English
Title :
Cyclosporin A, rapamycin and FK506 decrease prolactin release from rat pituitary cells in primary culture
Publication date :
1995
Journal title :
Endocrine Research
ISSN :
0743-5800
eISSN :
1532-4206
Publisher :
Taylor & Francis, Philadelphia, United States - Pennsylvania
Volume :
21
Issue :
3
Pages :
623-33
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 25 August 2009

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