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Expression of chemerin and its receptors in the ovaries of prepubertal and mature gilts

Abstract : Recent studies have demonstrated that chemerin participates in the regulation of female reproductive function at the level of the ovaries. Due to the lack of data concerning the presence of the chemerin system (chemerin and its receptors: CMKLR1, GPR1, CCRL2) in the ovaries of pigs, one of the most economically important livestock species, the aim of this study was to investigate the expression and localization of chemerin and its receptors in the ovaries of prepubertal and mature gilts. We also aimed to examine the concentrations of chemerin in the follicular fluid of prepubertal and mature animals. In the present study, we have demonstrated the expression patterns of chemerin system components in the porcine follicles of different sizes of prepubertal and mature animals, as well as in corpora lutea of mature gilts during the estrous cycle and early pregnancy. The obtained results suggest that the expression of chemerin system components is influenced by the reproductive stage, cell type, and the hormonal status of gilts (the estrous cycle/pregnancy). We have also presented the localization of the chemerin system components in various ovarian structures, and also showed changes in the concentration of chemerin in the follicular fluid of pigs. The presented findings not only confirm that chemerin is produced locally in the porcine ovary but they also demonstrate that chemerin directly affects ovarian cells, as confirmed by the presence of chemerin receptors in all ovarian structures. Therefore, chemerin appears to be an important intra-ovarian factor that could regulate ovary function in pigs.
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https://hal.inrae.fr/hal-03151262
Contributor : Eric Marchoux <>
Submitted on : Wednesday, February 24, 2021 - 3:56:40 PM
Last modification on : Friday, September 17, 2021 - 11:20:06 AM

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Edyta Rytelewska, Katarzyna Kisielewska, Marta Kiezun, Kamil Dobrzyn, Marlena Gudelska, et al.. Expression of chemerin and its receptors in the ovaries of prepubertal and mature gilts. Molecular Reproduction and Development, Wiley, 2020, 87 (7), pp.739-762. ⟨10.1002/mrd.23391⟩. ⟨hal-03151262⟩

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