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RP2E INRA Université de Lorraine

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Expression of gene, protein and immunohistochemical localization of the estrogen receptor isoform ERalpha1 in male rainbow trout lymphoid organs; indication of the role of estrogens in the regulation of immune mechanisms

Comp. Biochem. Physiol. Part. B, 174, pp. 53-61.

Massart, S., Milla, S., Kestemont, P.

2014

In vertebrates, estrogens act on the reproductive system but also affect the functioning of non-reproductive tissues such as the immune system. In teleost fish, effects of estrogens and xenoestrogens have been reported extensively, but the available information on targeted tissues and cells is still scarce. Moreover, a better knowledge of the distinct ER subtypes is required to find out the mechanistic pathways by which estrogen compounds are able to disrupt endogenous estrogen signaling in fish immunity. The present study aimed at characterizing, in male rainbow trout juveniles, multi-tissue gene expression pattern of one isoform of estrogen receptor (ER), ER?1, at the mRNA and protein levels. The mRNA levels for ER?1 were measured in various lymphoid organs by real-time RT-PCR and ER?1 protein level by Western blot. Furthermore, this protein was located by immunohistochemistry in the same organs. The transcripts were ubiquitously expressed, but at a higher level in testis and liver, while the protein was more abundant in testis and skin. Moreover, the ER?1 was detected in endothelial, Kupffer, mucous and chloride cells, hematopoietic tissues, proximal tubule, epithelia of the skin and intestine, in the lamina propria and in the stratum granulosum. This distribution backs the idea that, in male rainbow trout, estrogeno-mimetic compounds could be involved in different immune mechanisms such as inflammatory response, transport of Ig, mucus production, regulation of cellular immunity and development and maturation of lymphoid and myeloid cells.

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2018

ACL - Articles comité de lecture référencés bases de données AERES

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  • Humusica: Soil biodiversity and global change

    Bulletin of geography: Physical Geography Series, 14 (1), pp. 15-36.

    Zanella, A., Ascher-jenull, J., Ponge, J.F., Bolzonella, C., Banas, D., De nobili, M., Fusaro, S., Sella, L., Giannini, R.

2017

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2016

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2015

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2014

ACL - Articles comité de lecture référencés bases de données AERES

ACLN - Articles comité de lecture non-référencés bases de données AERES

2013

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ACLN - Articles comité de lecture non-référencés bases de données AERES

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