Biphasic Role of Calcium in Mouse Sperm Capacitation Signaling Pathways
- Autores
- Navarrete, Felipe A.; García Vázquez, Francisco A.; Alvau, Antonio; Escoffier, Jessica; Krapf, Dario; Sánchez Cárdenas, Claudia; Salicioni, Ana M.; Darszon, Alberto; Visconti, Pablo E.
- Año de publicación
- 2015
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Mammalian sperm acquire fertilizing ability in the female tract in a process known as capacitation. At the molecular level, capacitation is associated with up-regulation of a cAMP-dependent pathway, changes in intracellular pH, intracellular Ca2+, and an increase in tyrosine phosphorylation. How these signaling systems interact during capacitation is not well understood. Results presented in this study indicate that Ca2+ ions have a biphasic role in the regulation of cAMP-dependent signaling. Media without added Ca2+ salts (nominal zero Ca2+) still contain micromolar concentrations of this ion. Sperm incubated in this medium did not undergo PKA activation or the increase in tyrosine phosphorylation suggesting that these phosphorylation pathways require Ca2+. However, chelation of the extracellular Ca2+ traces by EGTA induced both cAMP-dependent phosphorylation and the increase in tyrosine phosphorylation. The EGTA effect in nominal zero Ca2+ media was mimicked by two calmodulin antagonists, W7 and calmidazolium, and by the calcineurin inhibitor cyclosporine A. These results suggest that Ca2+ ions regulate sperm cAMP and tyrosine phosphorylation pathways in a biphasic manner and that some of its effects are mediated by calmodulin. Interestingly, contrary to wild-type mouse sperm, sperm from CatSper1 KO mice underwent PKA activation and an increase in tyrosine phosphorylation upon incubation in nominal zero Ca2+ media. Therefore, sperm lacking Catsper Ca2+ channels behave as wild-type sperm incubated in the presence of EGTA. This latter result suggests that Catsper transports the Ca2+ involved in the regulation of cAMP-dependent and tyrosine phosphorylation pathways required for sperm capacitation.
Fil: Navarrete, Felipe A.. University of Massachusetts; Estados Unidos
Fil: García Vázquez, Francisco A.. University of Massachusetts; Estados Unidos. Universidad de Murcia; España
Fil: Alvau, Antonio. University of Massachusetts; Estados Unidos
Fil: Escoffier, Jessica. University of Massachusetts; Estados Unidos
Fil: Krapf, Dario. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Biología Molecular y Celular de Rosario. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Biología Molecular y Celular de Rosario; Argentina
Fil: Sánchez Cárdenas, Claudia. Universidad Nacional Autónoma de México; México
Fil: Salicioni, Ana M.. University of Massachusetts; Estados Unidos
Fil: Darszon, Alberto. Universidad Nacional Autónoma de México; México
Fil: Visconti, Pablo E.. University of Massachusetts; Estados Unidos - Materia
-
Sperm Capacitation
Calcium
Pka - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/21651
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Biphasic Role of Calcium in Mouse Sperm Capacitation Signaling PathwaysNavarrete, Felipe A.García Vázquez, Francisco A.Alvau, AntonioEscoffier, JessicaKrapf, DarioSánchez Cárdenas, ClaudiaSalicioni, Ana M.Darszon, AlbertoVisconti, Pablo E.Sperm CapacitationCalciumPkahttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Mammalian sperm acquire fertilizing ability in the female tract in a process known as capacitation. At the molecular level, capacitation is associated with up-regulation of a cAMP-dependent pathway, changes in intracellular pH, intracellular Ca2+, and an increase in tyrosine phosphorylation. How these signaling systems interact during capacitation is not well understood. Results presented in this study indicate that Ca2+ ions have a biphasic role in the regulation of cAMP-dependent signaling. Media without added Ca2+ salts (nominal zero Ca2+) still contain micromolar concentrations of this ion. Sperm incubated in this medium did not undergo PKA activation or the increase in tyrosine phosphorylation suggesting that these phosphorylation pathways require Ca2+. However, chelation of the extracellular Ca2+ traces by EGTA induced both cAMP-dependent phosphorylation and the increase in tyrosine phosphorylation. The EGTA effect in nominal zero Ca2+ media was mimicked by two calmodulin antagonists, W7 and calmidazolium, and by the calcineurin inhibitor cyclosporine A. These results suggest that Ca2+ ions regulate sperm cAMP and tyrosine phosphorylation pathways in a biphasic manner and that some of its effects are mediated by calmodulin. Interestingly, contrary to wild-type mouse sperm, sperm from CatSper1 KO mice underwent PKA activation and an increase in tyrosine phosphorylation upon incubation in nominal zero Ca2+ media. Therefore, sperm lacking Catsper Ca2+ channels behave as wild-type sperm incubated in the presence of EGTA. This latter result suggests that Catsper transports the Ca2+ involved in the regulation of cAMP-dependent and tyrosine phosphorylation pathways required for sperm capacitation.Fil: Navarrete, Felipe A.. University of Massachusetts; Estados UnidosFil: García Vázquez, Francisco A.. University of Massachusetts; Estados Unidos. Universidad de Murcia; EspañaFil: Alvau, Antonio. University of Massachusetts; Estados UnidosFil: Escoffier, Jessica. University of Massachusetts; Estados UnidosFil: Krapf, Dario. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Biología Molecular y Celular de Rosario. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Biología Molecular y Celular de Rosario; ArgentinaFil: Sánchez Cárdenas, Claudia. Universidad Nacional Autónoma de México; MéxicoFil: Salicioni, Ana M.. University of Massachusetts; Estados UnidosFil: Darszon, Alberto. Universidad Nacional Autónoma de México; MéxicoFil: Visconti, Pablo E.. University of Massachusetts; Estados UnidosWiley2015-04info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/21651Navarrete, Felipe A.; García Vázquez, Francisco A.; Alvau, Antonio; Escoffier, Jessica; Krapf, Dario; et al.; Biphasic Role of Calcium in Mouse Sperm Capacitation Signaling Pathways; Wiley; Journal Of Cellular Physiology; 230; 8; 4-2015; 1758-17690021-9541CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1002/jcp.24873info:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1002/jcp.24873/abstractinfo:eu-repo/semantics/altIdentifier/url/https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4752735/info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T10:08:30Zoai:ri.conicet.gov.ar:11336/21651instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-03 10:08:30.489CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Biphasic Role of Calcium in Mouse Sperm Capacitation Signaling Pathways |
title |
Biphasic Role of Calcium in Mouse Sperm Capacitation Signaling Pathways |
spellingShingle |
Biphasic Role of Calcium in Mouse Sperm Capacitation Signaling Pathways Navarrete, Felipe A. Sperm Capacitation Calcium Pka |
title_short |
Biphasic Role of Calcium in Mouse Sperm Capacitation Signaling Pathways |
title_full |
Biphasic Role of Calcium in Mouse Sperm Capacitation Signaling Pathways |
title_fullStr |
Biphasic Role of Calcium in Mouse Sperm Capacitation Signaling Pathways |
title_full_unstemmed |
Biphasic Role of Calcium in Mouse Sperm Capacitation Signaling Pathways |
title_sort |
Biphasic Role of Calcium in Mouse Sperm Capacitation Signaling Pathways |
dc.creator.none.fl_str_mv |
Navarrete, Felipe A. García Vázquez, Francisco A. Alvau, Antonio Escoffier, Jessica Krapf, Dario Sánchez Cárdenas, Claudia Salicioni, Ana M. Darszon, Alberto Visconti, Pablo E. |
author |
Navarrete, Felipe A. |
author_facet |
Navarrete, Felipe A. García Vázquez, Francisco A. Alvau, Antonio Escoffier, Jessica Krapf, Dario Sánchez Cárdenas, Claudia Salicioni, Ana M. Darszon, Alberto Visconti, Pablo E. |
author_role |
author |
author2 |
García Vázquez, Francisco A. Alvau, Antonio Escoffier, Jessica Krapf, Dario Sánchez Cárdenas, Claudia Salicioni, Ana M. Darszon, Alberto Visconti, Pablo E. |
author2_role |
author author author author author author author author |
dc.subject.none.fl_str_mv |
Sperm Capacitation Calcium Pka |
topic |
Sperm Capacitation Calcium Pka |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
Mammalian sperm acquire fertilizing ability in the female tract in a process known as capacitation. At the molecular level, capacitation is associated with up-regulation of a cAMP-dependent pathway, changes in intracellular pH, intracellular Ca2+, and an increase in tyrosine phosphorylation. How these signaling systems interact during capacitation is not well understood. Results presented in this study indicate that Ca2+ ions have a biphasic role in the regulation of cAMP-dependent signaling. Media without added Ca2+ salts (nominal zero Ca2+) still contain micromolar concentrations of this ion. Sperm incubated in this medium did not undergo PKA activation or the increase in tyrosine phosphorylation suggesting that these phosphorylation pathways require Ca2+. However, chelation of the extracellular Ca2+ traces by EGTA induced both cAMP-dependent phosphorylation and the increase in tyrosine phosphorylation. The EGTA effect in nominal zero Ca2+ media was mimicked by two calmodulin antagonists, W7 and calmidazolium, and by the calcineurin inhibitor cyclosporine A. These results suggest that Ca2+ ions regulate sperm cAMP and tyrosine phosphorylation pathways in a biphasic manner and that some of its effects are mediated by calmodulin. Interestingly, contrary to wild-type mouse sperm, sperm from CatSper1 KO mice underwent PKA activation and an increase in tyrosine phosphorylation upon incubation in nominal zero Ca2+ media. Therefore, sperm lacking Catsper Ca2+ channels behave as wild-type sperm incubated in the presence of EGTA. This latter result suggests that Catsper transports the Ca2+ involved in the regulation of cAMP-dependent and tyrosine phosphorylation pathways required for sperm capacitation. Fil: Navarrete, Felipe A.. University of Massachusetts; Estados Unidos Fil: García Vázquez, Francisco A.. University of Massachusetts; Estados Unidos. Universidad de Murcia; España Fil: Alvau, Antonio. University of Massachusetts; Estados Unidos Fil: Escoffier, Jessica. University of Massachusetts; Estados Unidos Fil: Krapf, Dario. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Biología Molecular y Celular de Rosario. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Biología Molecular y Celular de Rosario; Argentina Fil: Sánchez Cárdenas, Claudia. Universidad Nacional Autónoma de México; México Fil: Salicioni, Ana M.. University of Massachusetts; Estados Unidos Fil: Darszon, Alberto. Universidad Nacional Autónoma de México; México Fil: Visconti, Pablo E.. University of Massachusetts; Estados Unidos |
description |
Mammalian sperm acquire fertilizing ability in the female tract in a process known as capacitation. At the molecular level, capacitation is associated with up-regulation of a cAMP-dependent pathway, changes in intracellular pH, intracellular Ca2+, and an increase in tyrosine phosphorylation. How these signaling systems interact during capacitation is not well understood. Results presented in this study indicate that Ca2+ ions have a biphasic role in the regulation of cAMP-dependent signaling. Media without added Ca2+ salts (nominal zero Ca2+) still contain micromolar concentrations of this ion. Sperm incubated in this medium did not undergo PKA activation or the increase in tyrosine phosphorylation suggesting that these phosphorylation pathways require Ca2+. However, chelation of the extracellular Ca2+ traces by EGTA induced both cAMP-dependent phosphorylation and the increase in tyrosine phosphorylation. The EGTA effect in nominal zero Ca2+ media was mimicked by two calmodulin antagonists, W7 and calmidazolium, and by the calcineurin inhibitor cyclosporine A. These results suggest that Ca2+ ions regulate sperm cAMP and tyrosine phosphorylation pathways in a biphasic manner and that some of its effects are mediated by calmodulin. Interestingly, contrary to wild-type mouse sperm, sperm from CatSper1 KO mice underwent PKA activation and an increase in tyrosine phosphorylation upon incubation in nominal zero Ca2+ media. Therefore, sperm lacking Catsper Ca2+ channels behave as wild-type sperm incubated in the presence of EGTA. This latter result suggests that Catsper transports the Ca2+ involved in the regulation of cAMP-dependent and tyrosine phosphorylation pathways required for sperm capacitation. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-04 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/21651 Navarrete, Felipe A.; García Vázquez, Francisco A.; Alvau, Antonio; Escoffier, Jessica; Krapf, Dario; et al.; Biphasic Role of Calcium in Mouse Sperm Capacitation Signaling Pathways; Wiley; Journal Of Cellular Physiology; 230; 8; 4-2015; 1758-1769 0021-9541 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/21651 |
identifier_str_mv |
Navarrete, Felipe A.; García Vázquez, Francisco A.; Alvau, Antonio; Escoffier, Jessica; Krapf, Dario; et al.; Biphasic Role of Calcium in Mouse Sperm Capacitation Signaling Pathways; Wiley; Journal Of Cellular Physiology; 230; 8; 4-2015; 1758-1769 0021-9541 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1002/jcp.24873 info:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1002/jcp.24873/abstract info:eu-repo/semantics/altIdentifier/url/https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4752735/ |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Wiley |
publisher.none.fl_str_mv |
Wiley |
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Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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13.13397 |