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IGF-I and IGF-II mRNA expression in primary cultures of fetal hepatocytes

Authors: Goya, L.; De la puente, A.; Ramos, S.; Álvarez, C.; Pascual-Leone, A. M.;

IGF-I and IGF-II mRNA expression in primary cultures of fetal hepatocytes

Abstract

[ES] La secreción de IGFs en animales adultos esta regulada principalmente por la hormona del crecimiento (GH), pero el papel de otros factores se convierte en principal durante el periodo perinatal de la rata, cuando la respuesta de la IGF a la GH aún no se ha estblecido completamente. Los modelos "in vitro" pasan por alto las fluctuaciones simultáneas de combustibles y hormonas que ocurren en el animal vivo y son útiles para investigar los mecanismos subyacentes por los que hormonas y nutrientes regulan la secreción de IGF. En nuestro laboratorio hemos establecido un cultivo primario selectivo de hepatocitos de feto de rata con el fin de aclarar los mecanismos moleculares de la acción de diferentes factores y condiciones sobre la expresión génica de IGF-I e IGF-II durante el periodo perinatal de la rata. En este estudio preliminar presentamos el papel regulador del suero sobre la expresión génica de IGF-I e IGF-II durante distintos estados de desarrollo perinatal. Este sistema puede ser una herramienta útil para posteriores estudios sobre los mecanismos moleculares de la regulación de IGF-I e IGF-II.

[EN] Secretion of IGFs in adult animals is mainly regulated by growth hormone (GH), but the role of other factors becomes principal during the perinatal period of the rat, when the IGF response to GH is not yet fully established. "In vitro" models overcome the simultaneous fluctuations of fuels and hormones that occur in live animals and are useful to investigate the underlying mechanisms by which hormones and nutrients regulate IGF secretion. A selective primary culture of fetal rat hepatocytes has been established in our laboratory in order to elucidate the molecular mechanism of action of different factors and conditions on IGF-I and -II gene expression during the perinatal period of the rat. In this preliminary study we report the regulatory role of serum on IGF-I and -II gene expression during stages of perinatal development. This system should be a useful tool for further studies of molecular mechanisms of IGF-I and -II regulation.

Peer reviewed

Country
Spain
Related Organizations
Keywords

Regulación de IGFs, Fetal hepatocyte culture, Factores séricos, IGFs regulation, Cultivo de hepatocitos fetales, Serum factors

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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