InVet. 2013, 15(1): 29-36 ISSN 1514-6634 (impreso) VÍNCULO...
Alpha estrogen receptors, progesterone receptors, and cell proliferation antigen were studied in endometrial immune cells of mares free of endometritis. Endometrial biopsies and blood samples were taken in healthy mares in four moments: at the start of the follicular phase , at 24 hours after estrus...
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| Formato: | Artículo publishedVersion |
| Lenguaje: | Español |
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Universidad de Buenos Aires. Facultad de Ciencias Veterinarias
2013
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| Acceso en línea: | http://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=pveterinaria/invet&cl=CL1&d=HWA_1310 https://repositoriouba.sisbi.uba.ar/gsdl/collect/pveterinaria/invet/index/assoc/HWA_1310.dir/1310.PDF |
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I28-R145-HWA_13102024-11-05 InVet. 2013, 15(1): 29-36 ISSN 1514-6634 (impreso) VÍNCULO... Alpha estrogen receptors, progesterone receptors, and cell proliferation antigen were studied in endometrial immune cells of mares free of endometritis. Endometrial biopsies and blood samples were taken in healthy mares in four moments: at the start of the follicular phase , at 24 hours after estrus detection , at 24 hours post-ovulation and on day 7 post- ovulation. Biopsies were stained with hematoxylin-eosin or subjected to immunohistochemistry to determine the presence of RE?, RP or PCNA in mononuclear or polymorphonuclear cells. Statistically significant changes were detected at day 7 post-ovulation, compared to other moments. High levels of plasmatic progesterone were associated to a decrease in the total amount of immune cells and a reduction in the number of polymorphonuclear for estrogen receptor alpha. It is concluded that high plasma progesterone levels at 7 post-ovulation negatively modulated the number of immune cells and the number of polymorphonuclear immunelabeled for estrogen receptor alpha Fil: Acuña, S. Universidad de la República. Facultad de Veterinaria. Departamento de Biología Molecular y Celular. Montevideo, Uruguay Fil: Fumuso, E. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias. Centro de Investigación Veterinaria de Tandil. Laboratorio de Clínica y Reproducción Equina. Tandil, Argentina Acuña, S. Fumuso, E. 2013 Se estudió la distribución endometrial de células inmunes y la presencia en las mismas de receptores de estrógenos alfa, de progesterona y de antígeno de proliferación celular en yeguas sin antecedentes de endometritis. Se tomaron muestras de sangre y biopsias endometriales en yeguas con endometrio sano al inicio de la fase folicular, a las 24 h después, a las 24 h post-ovulación y al día 7 post-ovulación. Las biopsias fueron teñidas con hematoxilina-eosina o sometidas a inmunohistoquímica para determinar la presencia de receptores de estrógeno ?, progesterona o antígeno nuclear de proliferación celular en células polimorfonucleares o mononucleares. Se detectaron los siguientes cambios estadísticamente significativos al día 7 pos-ovulación, comparado con los otros días: aumento de la concentración de progesterona plasmática, disminución de la cantidad total de células inmunes y una reducción del número de polimorfonucleares inmunomarcados para receptores de estrógenos alfa. Se concluye así que los altos niveles de progesterona plasmática al día 7 pos-ovulación modularon en forma negativa la cantidad de células inmunes y la cantidad de polimorfonucleares inmunomarcados para receptores de estrógeno alfa. application/pdf 1514-6634 (impreso) 1668-3498 (en línea) Polimorfonucleares Mononucleares Receptores de estrógeno alfa Yeguas Immune cells Mares Steroid receptors spa Universidad de Buenos Aires. Facultad de Ciencias Veterinarias info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-nd/2.5/ar/ InVet, vol. 15, nº 1 Presencia y distribución de receptores esteroides y antígeno de proliferación celular en células del sistema inmune del endometrio equino Presence and distribution of steroid receptors and antigen of cell proliferation in immune cells in endometrium of mare info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion http://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=pveterinaria/invet&cl=CL1&d=HWA_1310 https://repositoriouba.sisbi.uba.ar/gsdl/collect/pveterinaria/invet/index/assoc/HWA_1310.dir/1310.PDF |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-145 |
| collection |
Repositorio Digital de la Universidad de Buenos Aires (UBA) |
| language |
Español |
| orig_language_str_mv |
spa |
| topic |
Polimorfonucleares Mononucleares Receptores de estrógeno alfa Yeguas Immune cells Mares Steroid receptors |
| spellingShingle |
Polimorfonucleares Mononucleares Receptores de estrógeno alfa Yeguas Immune cells Mares Steroid receptors Acuña, S. Fumuso, E. InVet. 2013, 15(1): 29-36 ISSN 1514-6634 (impreso) VÍNCULO... |
| topic_facet |
Polimorfonucleares Mononucleares Receptores de estrógeno alfa Yeguas Immune cells Mares Steroid receptors |
| description |
Alpha estrogen receptors, progesterone receptors, and cell proliferation antigen were studied in endometrial immune cells of mares free of endometritis. Endometrial biopsies and blood samples were taken in healthy mares in four moments: at the start of the follicular phase , at 24 hours after estrus detection , at 24 hours post-ovulation and on day 7 post- ovulation. Biopsies were stained with hematoxylin-eosin or subjected to immunohistochemistry to determine the presence of RE?, RP or PCNA in mononuclear or polymorphonuclear cells. Statistically significant changes were detected at day 7 post-ovulation, compared to other moments. High levels of plasmatic progesterone were associated to a decrease in the total amount of immune cells and a reduction in the number of polymorphonuclear for estrogen receptor alpha. It is concluded that high plasma progesterone levels at 7 post-ovulation negatively modulated the number of immune cells and the number of polymorphonuclear immunelabeled for estrogen receptor alpha |
| format |
Artículo Artículo publishedVersion |
| author |
Acuña, S. Fumuso, E. |
| author_facet |
Acuña, S. Fumuso, E. |
| author_sort |
Acuña, S. |
| title |
InVet. 2013, 15(1): 29-36 ISSN 1514-6634 (impreso) VÍNCULO... |
| title_short |
InVet. 2013, 15(1): 29-36 ISSN 1514-6634 (impreso) VÍNCULO... |
| title_full |
InVet. 2013, 15(1): 29-36 ISSN 1514-6634 (impreso) VÍNCULO... |
| title_fullStr |
InVet. 2013, 15(1): 29-36 ISSN 1514-6634 (impreso) VÍNCULO... |
| title_full_unstemmed |
InVet. 2013, 15(1): 29-36 ISSN 1514-6634 (impreso) VÍNCULO... |
| title_sort |
invet. 2013, 15(1): 29-36 issn 1514-6634 (impreso) vínculo... |
| publisher |
Universidad de Buenos Aires. Facultad de Ciencias Veterinarias |
| publishDate |
2013 |
| url |
http://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=pveterinaria/invet&cl=CL1&d=HWA_1310 https://repositoriouba.sisbi.uba.ar/gsdl/collect/pveterinaria/invet/index/assoc/HWA_1310.dir/1310.PDF |
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1824359784359395328 |