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Open AccessArticle

Chemerin Impairs In Vitro Testosterone Production, Sperm Motility, and Fertility in Chicken: Possible Involvement of Its Receptor CMKLR1

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INRA UMR85 Physiologie de la Reproduction et des Comportements, France CNRS UMR7247 Physiologie de la Reproduction et des Comportements, France Université François Rabelais de Tours F-37041 Tours, IFCE F-37380 Nouzilly, France
2
SYSAAF—Syndicat des Sélectionneurs Avicoles et Aquacoles Français, Centre INRA Val de Loire, F-37380 Nouzilly, France
3
Department of Reproduction and Clinic of Farm Animals, Wrocław University of Environmental and Life Sciences, 50-375 Wrocław, Poland
*
Author to whom correspondence should be addressed.
Cells 2020, 9(7), 1599; https://doi.org/10.3390/cells9071599
Received: 10 April 2020 / Revised: 23 June 2020 / Accepted: 30 June 2020 / Published: 1 July 2020
The chemokine chemerin is a novel adipokine involved in the regulation of energy metabolism but also female reproductive functions in mammals. Its effects on male fertility are less studied. Here, we investigated the involvement of chemerin in chicken male reproduction. Indeed, the improvement of the sperm of roosters is a challenge for the breeders since the sperm quantity and quality have largely decreased for several years. By using specific chicken antibodies, here we show that chemerin and its main receptor CMKLR1 (chemokine-like receptor 1) are expressed within the chicken testis with the lowest expression in adults as compared to the embryo or postnatal stages. Chemerin and CMKLR1 are present in all testicular cells, including Leydig, Sertoli, and germinal cells. Using in vitro testis explants, we observed that recombinant chicken chemerin through CMKLR1 inhibits hCG (human chorionic gonadotropin) stimulated testosterone production and this was associated to lower 3βHSD (3beta-hydroxysteroid dehydrogenase) and StAR (steroidogenic acute regulatory protein) expression and MAPK ERK2 (Mitogen-Activated Protein Kinase Extracellular signal-regulated kinase 2) phosphorylation. Furthermore, we demonstrate that chemerin in seminal plasma is lower than in blood plasma, but it is negatively correlated with the percentage of motility and the spermatozoa concentration in vivo in roosters. In vitro, we show that recombinant chicken chemerin reduces sperm mass and individual motility in roosters, and this effect is abolished when sperm is pre-incubated with an anti-CMKLR1 antibody. Moreover, we demonstrate that fresh chicken sperm treated with chemerin and used for artificial insemination (AI) in hen presented a lower efficiency in terms of eggs fertility for the four first days after AI. Taken together, seminal chemerin levels are negatively associated with the rooster fertility, and chemerin produced locally by the testis or male tract could negatively affect in vivo sperm quality and testosterone production through CMKLR1. View Full-Text
Keywords: chemerin; sperm; chicken; spermatozoa motility; steroidogenesis; testis chemerin; sperm; chicken; spermatozoa motility; steroidogenesis; testis
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MDPI and ACS Style

Estienne, A.; Reverchon, M.; Partyka, A.; Bourdon, G.; Grandhaye, J.; Barbe, A.; Caldas-Silveira, E.; Rame, C.; Niżański, W.; Froment, P.; Dupont, J. Chemerin Impairs In Vitro Testosterone Production, Sperm Motility, and Fertility in Chicken: Possible Involvement of Its Receptor CMKLR1. Cells 2020, 9, 1599. https://doi.org/10.3390/cells9071599

AMA Style

Estienne A, Reverchon M, Partyka A, Bourdon G, Grandhaye J, Barbe A, Caldas-Silveira E, Rame C, Niżański W, Froment P, Dupont J. Chemerin Impairs In Vitro Testosterone Production, Sperm Motility, and Fertility in Chicken: Possible Involvement of Its Receptor CMKLR1. Cells. 2020; 9(7):1599. https://doi.org/10.3390/cells9071599

Chicago/Turabian Style

Estienne, Anthony; Reverchon, Maxime; Partyka, Agnieszka; Bourdon, Guillaume; Grandhaye, Jérémy; Barbe, Alix; Caldas-Silveira, Erika; Rame, Christelle; Niżański, Wojciech; Froment, Pascal; Dupont, Joelle. 2020. "Chemerin Impairs In Vitro Testosterone Production, Sperm Motility, and Fertility in Chicken: Possible Involvement of Its Receptor CMKLR1" Cells 9, no. 7: 1599. https://doi.org/10.3390/cells9071599

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