Abstract
Our recent studies have shown that calcitonin (CT)-like immunoreactive peptide is synthesized and released from cultured rat anterior pituitary (AP) cells, and may serve as a paracrine inhibitor of PRL release. The present studies investigated effects of CT on basal and TRH-induced PRL mRNA levels in rat AP and rat pituitary tumor GH3 cells. CT attenuated steady-state PRL mRNA levels in a dose-dependent fashion in primary rat AP and GH3 cells. The kinetics of CT action suggests that 100nm CT caused a significant decline after 3 h, and the inhibition was sustained at least until the longest tested incubation period of 30 h. Results from nuclear run-on assays suggest that 100 nM CT decreased the rate of PRL gene transcription by 80% after 30 min of incubation. CT did not affect PRL mRNA levels in Ca2+-depleted GH3 cells but dramatically decreased them in Ca2+-repleted cells. Bay K 8644 induced increase in PRL mRNA levels of Ca2+-repleted GH3 cells and CT did not affect this increase. These results suggest that CT rapidly and selectively inhibits PRL gene transcription in primary AP and GH3 cells, and support a possibility that CT-induced attenuation of PRL mRNA may involve cytoplasmic Ca2+.
Similar content being viewed by others
References
Abe, H., Engler, D., Molitch, M., Bolinger-Gruber, J. & Reichlin, S. (1985).Endocrinology,116, 1383–1390.
Albrandt, K., Mull, E., Brady Elize, M., Herich, J., Moore, C.X. & Beaumont, K. (1993).FEBS Lett.,325, 225–232.
Arita, N., Yasuhiro, K. & Kimura, F. (1992).Endocrinology,130, 3167–3174.
Arnaout, M.A., Gartwaite, T.L., Martinson, D.R. & Hagen, T.C. (1986).Endocrinol,119, 2052–2057.
Bancroft, S.C. (1981). Sato G. (ed):Functionally differentiated cell lines. Alan R. Liss: New York, pp 47–59.
Bandyopadhyay, S.K. & Bancroft, C. (1989).J. Biol. Chem.,264, 14216–14219.
Blum, M. (1989).Methods in Enzymol.,168, 618–652.
Boockfor, F.R. & Frawley, L.S. (1987).Endocrinology,120, 874–879.
Chomczynisky, P. & Sacchi, N. (1987).Anal Biochem.,162, 156–159.
Davis, L.G., Dibner, M.D. & Battey, J.F. (1986).Basic Methods in Molecular Biology. Elsevier: New York, NY, p. 143.
Davis, L.G., Dibner, M.D. & Battey, J.F. (1986).Basic Methods in Molecular Biology. Elsevier: New York, NY. p. 147.
Day, R.N. & Maurer, R.A. (1990).Mol. Endocrinol.,4, 736–742.
Delidow, B.C., Lail-Trecker, M. & White, B.A. (1992).Mol Endocrinol,6, 1268–1276.
Deschepper, C.F., Crumrine, D.A. & Ganong, W.F. (1986).Endocrinology,119, 36–43.
Elsholz, H.P., Lew, A.M., Albert, P.R. & Sundmark, V.C. (1991).J. Biol. Chem.,266, 22919–22925.
Enyeart, J.J., Biangi, B. & Day, R.N. (1990).Mol Endocrinol,4, 727–735.
Fischer, J.A., Tobler, P.H., Henke, H. & Tschopp, F.A. (1983).J. Clin. Endocrinol. Metab.,57, 1314–1315.
Groppe, C., Luster, W. & Havemann, K. (1985).Br. J. Cancer,51, 897–901.
Henke, H., Tobler, P.H. & Fischer, J.A. (1983).Brain Res.,272, 373–378.
Isaac, R., Merceron, R., Caillens, G., Raymond, J-P. & Ardaillou, R. (1980).J. Clin. Endocrinol. Metab,50, 1011–1015.
Judd, A.M., Kubota, T., Kuan, S.I., Jarvis, W.D., Spangelo, B.L. & MacLeod, R.M. (1990).Endocrinology,127, 191–199.
Kaplan, L.M., Gabriel, S.M., Koenig, J.I., Sunday, M.E., Spindel, E.R., Martin, J.B. & Chin, W.W. (1988).Proc. Natl. Acad. Sci. USA,85, 7408–7412.
Kazemzadeh, M., Velkeniers, B., Herregodts, P., Collumbien, R., Finne, E., Derde, M.P., Vanhaelst, L. & Hooghe-Peters, E.L. (1992).J. Endocr.,132, 401–409.
Kudlow, J.E. & Kobrin, M.S. (1984).Endocrinology,115, 911–917.
Lamberts, S.W.J. & Macleod, R.M. (1990).Physiol Rev.,70, 270–318.
Lamberts, S.W., Zuyderwijk, J., Den Holder, F., Van Koestveld, P. & Hofland, L.J. (1989).Neuroendocrinology,50, 44–50.
Lasmoles, F., Julliene, A., Day, F., Minvielle, S., Mihaud, G. & Moukhtar, M.S. (1985).EMBO J.,4, 2603–2607.
Maurer, R.A. (1981).Nature,294, 94–97.
Maurer, R.A. (1982).J. Biol. Chem.,257, 2133–2136.
Maurer, R., Marbach, P. & Mousson, R. (1983).Brain Res. 272, 346–348.
Murdoch, G.H., Franco, R., Evans, R.M. & Rosenfeld, M.G. (1983).J. Biol. Chem.,258, 15329–15335.
Potter, E., Nicolaisen, A.K., Ong, E.S., Evans, R.M. & Rosenfeld, M.G. (1981).Proc. Natl. Acad. Sci. USA,78, 6662–6666.
Preston, G.M., Billis, W.M., Agarwal, P. & White, B.A. (1990).Mol. Cell. Biol.,10, 442–448.
Pun, K.K., Varghese, Z. & Moorhead, J.F. (1987).Acta Endocrinol.,115, 243–246.
Shah, G.V., Deftos, L.J. & Crowley, W.R. (1992).Endocrinology,132, 1367–1372.
Shah, G.V., Epand, R.M. & Orlowsky, R.C. (1988).J. Endocrinol,116, 279–286.
Shah, G.V., Kacsoh, B., Seshadri, R., Grosvenor, C.E. & Crowley, W.R. (1989).Endocrinology,125, 61–67.
Shah, G.V., Kennedy, D., Dockter, M.E. & Crowley, W.R. (1990a).Endocrinology,127, 613–620.
Shah, G.V., Wang, W., Grosvenor, C.E. & Crowley, W.R. (1990b).Endocrinology,127, 621–628.
Tashjian Jr, A.H. (1979).Methods Enzymol,58, 527–535.
Velkeniers, B., Hooghe-Peter, E.L., Hooghe, R., Belayew, A., Smets, S., Clayes, A., Robberrecht, P. & Vanhaelst, L. (1988).Endocrinology,123, 1619–1630.
White, B.A. & Bancroft, C. (1987).Methods Enzymol,139, 655–666.
Xie, W.Q. & Rothblum, L.I. (1991).Biotechniques,11, 325–327.
Yan, G. & Bancroft, C. (1991).Mol. Endocrinol.,5, 1488–1497.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Xue-Zhang, Q., Stanley, S.M. & Shah, G.V. Calcitonin inhibits prolactin gene transcription in rat pituitary cells. Endocr 3, 445–451 (1995). https://doi.org/10.1007/BF02935651
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF02935651