Role of changes in plasma prolactin concentrations on ram and buck sperm cryoresistance
10 Pág. Departamento de Reproducción animal
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| Language: | English |
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Elsevier
2021-07
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| Subjects: | Cryodamage, Prolactin, Semen;, Sheep, Small ruminants, |
| Online Access: | http://hdl.handle.net/10261/286925 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100003329 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100010747 https://api.elsevier.com/content/abstract/scopus_id/85104119541 |
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dig-inia-es-10261-2869252024-05-15T20:41:50Z Role of changes in plasma prolactin concentrations on ram and buck sperm cryoresistance Flores-Gil, Viviana N. Toledano-Díaz, A. Velázquez, Rosario Oteo, M. López Sebastián, Antonio Santiago Moreno, Julián Ministerio de Economía y Competitividad (España) Agencia Estatal de Investigación (España) European Commission Consejo Nacional de Ciencia, Tecnología e Innovación Tecnológica (Perú) Flores-Gil, Viviana N. [0000-0003-2834-7404] Toledano Díaz, Adolfo [0000-0001-6679-485X] Oteo, M. [0000-0002-2855-3403] López Sebastián, Antonio [0000-0001-8695-7441] Santiago Moreno, Julián [0000-0001-5551-8120] Cryodamage Prolactin Semen; Sheep Small ruminants 10 Pág. Departamento de Reproducción animal Seasonal endocrine changes may modify sperm cryoresistance in certain small ruminant species. The present work examines the effect of prolactin (PRL) on ram and buck sperm cryoresistance. A dopamine agonist (bromocriptine [BCR] 60 mg i.m. twice per week from May 15 to June 15, that is, approaching the summer solstice) or antagonist (sulpiride [SLP] 100 mg s.c. daily from December 15 to January 15, that is, around the winter solstice) was administered under solstice-appropriate photoperiod conditions to modify PRL secretion. Control animals received the vehicle only. Compared to the corresponding controls, BCR reduced PRL secretion to basal levels in both the rams and bucks. In rams, the cryoresistance ratios for sperm curvilinear velocity (P < 0.05) and lateral head displacement (P < 0.01) were higher for the BCR-treated animals. In bucks, neither the characteristics of fresh nor frozen-thawed sperm were affected by BCR treatment. After the administration of SLP, PRL levels increased and remained high for more than 5 h in the rams though they immediately began to fall in the bucks. By 24 h, PRL had returned to basal concentrations in both species. In rams treated with SLP, the cryoresistance ratios for sperm progressive motility, straight line velocity, sperm mean path velocity, cross beat frequency, and the progression ratios linearity, straightness and oscillation, were all lower compared to the controls (P < 0.05), while the amplitude of lateral head displacement was higher (P < 0.01). In bucks, sperm cryoresistance was not affected by SLP administration. Together, these results suggest that high levels of PRL negatively affect the cryoresistance of ram sperm, while buck sperm seems unaffected. This research was funded by MINECO/AEI/FEDER and EU grant AGL2017-85753-R. Flores-Gil VN was funded by FONDECYT-CONCYTEC (grant contract number 000245-2015-FONDECYT). Peer reviewed 2023-01-17T09:12:18Z 2023-01-17T09:12:18Z 2021-07 artículo http://purl.org/coar/resource_type/c_6501 Domestic Animal Endocrinology 76: 106624 (2021) 0739-7240 http://hdl.handle.net/10261/286925 10.1016/j.domaniend.2021.106624 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100003329 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100010747 33866107 2-s2.0-85104119541 https://api.elsevier.com/content/abstract/scopus_id/85104119541 en #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/AGL2017-85753-R/ES/VARIACIONES EN LA EFICACIA DE LA CRIOPRESERVACION DE ESPERMATOZOIDES DE PEQUEÑOS RUMIANTES COMO RESPUESTA A LOS CAMBIOS DE HORMONAS TIROIDEAS Y LA EXPRESION DE ACUAPORINAS/ Domestic animal endocrinology Publisher's version https://doi.org/10.1016/j.domaniend.2021.106624 Sí open Elsevier |
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Cryodamage Prolactin Semen; Sheep Small ruminants Cryodamage Prolactin Semen; Sheep Small ruminants |
| spellingShingle |
Cryodamage Prolactin Semen; Sheep Small ruminants Cryodamage Prolactin Semen; Sheep Small ruminants Flores-Gil, Viviana N. Toledano-Díaz, A. Velázquez, Rosario Oteo, M. López Sebastián, Antonio Santiago Moreno, Julián Role of changes in plasma prolactin concentrations on ram and buck sperm cryoresistance |
| description |
10 Pág.
Departamento de Reproducción animal |
| author2 |
Ministerio de Economía y Competitividad (España) |
| author_facet |
Ministerio de Economía y Competitividad (España) Flores-Gil, Viviana N. Toledano-Díaz, A. Velázquez, Rosario Oteo, M. López Sebastián, Antonio Santiago Moreno, Julián |
| format |
artículo |
| topic_facet |
Cryodamage Prolactin Semen; Sheep Small ruminants |
| author |
Flores-Gil, Viviana N. Toledano-Díaz, A. Velázquez, Rosario Oteo, M. López Sebastián, Antonio Santiago Moreno, Julián |
| author_sort |
Flores-Gil, Viviana N. |
| title |
Role of changes in plasma prolactin concentrations on ram and buck sperm cryoresistance |
| title_short |
Role of changes in plasma prolactin concentrations on ram and buck sperm cryoresistance |
| title_full |
Role of changes in plasma prolactin concentrations on ram and buck sperm cryoresistance |
| title_fullStr |
Role of changes in plasma prolactin concentrations on ram and buck sperm cryoresistance |
| title_full_unstemmed |
Role of changes in plasma prolactin concentrations on ram and buck sperm cryoresistance |
| title_sort |
role of changes in plasma prolactin concentrations on ram and buck sperm cryoresistance |
| publisher |
Elsevier |
| publishDate |
2021-07 |
| url |
http://hdl.handle.net/10261/286925 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100003329 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100010747 https://api.elsevier.com/content/abstract/scopus_id/85104119541 |
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1802819684702093312 |