Cytotechnology

, Volume 65, Issue 2, pp 273–286 | Cite as

Development of an in vitro system for functional studies of ovarian follicular cells in European sea bass (Dicentrarchus labrax)

Original Research
First Online:
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Accepted:

Abstract

The layers of follicular cells surrounding the oocyte and the interactions among them and the germ cells are critical for the successful maintenance of the ovarian functions. We have set up the isolation procedure and culture conditions of sea bass ovarian follicular cells. Their behaviour at three different physiological temperatures (25, 18 and 15 °C) was evaluated by verifying their steroidogenic capacity along time together with the expression of follicular specific genes (cyp19a1, fshr, lhr and star). These characteristics revealed this culture as a good in vitro alternative to short term in vivo studies at the level of the ovarian follicle. Moreover, to evaluate the suitability of this system for gene function studies conditions for transient transfection of plasmid DNA were optimized. Finally, the characteristics of the follicular culture were not affected by freezing and thawing cycles what facilitates the performance of experiments independently of the reproductive season. In conclusion, we have developed an in vitro homologous system that enables functional and gene expression studies and resembles the in vivo situation in the ovarian follicle.

Keywords

Ovarian follicle Primary culture Teleosts Transient transfection 
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Notes

Acknowledgments

We thank especially to Soledad Ibáñez for excellent technical assistance with steroid analysis. This work was supported by the Spanish MICINN (AGL2008-02937, Aquagenomics CSD2007-00002), the GV (ACOMP2010/083) and CSIC (PIE-I3-2006 3 01 037).

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Copyright information

© Springer Science+Business Media B.V. 2012

Authors and Affiliations

  1. 1.Department of Fish Physiology and Biotechnology, Instituto de Acuicultura de Torre la SalConsejo Superior de Investigaciones Científicas (CSIC)CastellónSpain

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