B-nerve growth factor identification in male rabbit genital tract and seminal plasma and its role in ovulation induction in rabbit does

García García, R. M.; Masdeu, M.; Sánchez Rodríguez, A.; Millán, Pilar; Arias Alvárez, M.; Sakr, Osama Galal; Bautista, J. M.; Castellini, C.; Lorenzo, P.L. y García Rebollar, Pilar (2017). B-nerve growth factor identification in male rabbit genital tract and seminal plasma and its role in ovulation induction in rabbit does. "Italian Journal of Animal Science", v. 17 (n. 2); pp. 442-453. ISSN 1594-4077. https://doi.org/10.1080/1828051X.2017.1382315.

Descripción

Título: B-nerve growth factor identification in male rabbit genital tract and seminal plasma and its role in ovulation induction in rabbit does
Autor/es:
  • García García, R. M.
  • Masdeu, M.
  • Sánchez Rodríguez, A.
  • Millán, Pilar
  • Arias Alvárez, M.
  • Sakr, Osama Galal
  • Bautista, J. M.
  • Castellini, C.
  • Lorenzo, P.L.
  • García Rebollar, Pilar
Tipo de Documento: Artículo
Título de Revista/Publicación: Italian Journal of Animal Science
Fecha: 2017
Volumen: 17
Materias:
Palabras Clave Informales: b-NGF; seminal plasma; accessory male sex glands; ovulation; rabbit
Escuela: E.T.S. de Ingeniería Agronómica, Alimentaria y de Biosistemas (UPM)
Departamento: Producción Agraria
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

The neurotrophin b-nerve growth factor (NGF) has been described as an important mediator of seminal plasma-induced ovulation in reflexive ovulators like camelids, but this action has not been evidenced in rabbits. In this study, the mRNA expression of NGF was analysed in rabbit male organs by PCR and in a purified basic fraction of seminal plasma by liquid chromatography mass spectrometry. Besides, the ovulatory response [ovulation rate (OR), corpora lutea number, LH peak and progesterone profile] of 27 rabbit does was recorded after injection with murine NGF, gonadoreline (GnRH) or saline solution (SS). An empty catheter was introduced through the vagina (n ¼ 4 animals per group) to simulate the nervous/mechanical stimulus of coitus. Molecular studies confirmed the expression of b-NGF mRNA in the prostate, seminal gland and testicles of male adult rabbits, and the presence of the protein in seminal plasma. For the in vivo experiment, all GnRH-group does exhibited a significantly higher OR (100%) compared to females treated with NGF (30%) and SS (25%), who showed significantly lower LH and progesterone concentrations at 120 min. However, in the non-vaginally stimulated animals, only the gonadoreline group ovulated properly, since no ovulation was recorded in the SS group, and only 17% of the NGF does ovulated; this was associated to a tendency to a higher rate of anovulatory haemorrhagic follicles. mRNA expression of NGF and its presence in seminal plasma evidence a role in rabbit reproduction. Nevertheless, murine NGF triggered some stimulatory effect in the females but not enough to elicit a significant ovulatory response.

Más información

ID de Registro: 50262
Identificador DC: http://oa.upm.es/50262/
Identificador OAI: oai:oa.upm.es:50262
Identificador DOI: 10.1080/1828051X.2017.1382315
URL Oficial: https://www.tandfonline.com/doi/full/.../1828051X.2017.138231
Depositado por: Memoria Investigacion
Depositado el: 10 May 2018 08:57
Ultima Modificación: 10 May 2018 08:57
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