RT Journal Article
T1 Measurement of Activity and Concentration of Paraoxonase 1 (PON-1) in Seminal Plasma and Identification of PON-2 in the Sperm of Boar Ejaculates
A1 Barranco, Isabel
A1 Roca, Jordi
A1 Tvarijonaviciute, Asta
A1 Rubér, Marie
A1 Vicente Carrillo, Alejandro
A1 Atikuzzaman, Mohammad
A1 Ceron, José J.
A1 Martínez, Emilio A
A1 Rodríguez-Martínez, Heriberto
AB This study revealed and characterised the presence of the antioxidant enzymes paraoxonase (PON) type 1 (PON-1, extracellular) and type 2 (PON-2, intracellular) in boar semen. To evaluate PON-1, an entire ejaculate from each of ten boars was collected and the seminal plasma was harvested after double centrifugation (1,500g for 10 min). Seminal plasma was analysed for concentration as well as enzymatic activity of PON-1 and total cholesterol levels. Seminal-plasma PON-1 concentration ranged from 0.961 to 1.670 ng/ml while its enzymatic activity ranged from 0.056 to 0.400 IU/ml, which represent individual variance. Seminal-plasma PON-1 concentration and enzymatic activity were negatively correlated (r = −0.763; P < 0.01). The activity of seminal-plasma PON-1 negatively correlated with ejaculate volume (r = −0.726, P < 0.05), but positively correlated with sperm concentration (r = 0.654, P < 0.05). Total seminal-plasma cholesterol concentration positively correlated with PON-1 activity (r = 0.773; P < 0.01), but negatively correlated with PON-1 concentration (r = −0.709; P < 0.05). The presence of intracellular PON-2 was determined via immunocytochemistry in spermatozoa derived from artificial insemination. PON-2 localised to the post-acrosomal area of the sperm head and principal piece of the tail in membrane-intact spermatozoa. In summary, PON is present in boar semen, with PON-1 at low levels in seminal plasma and PON-2 within the spermatozoa. Further studies are needed to characterise the relationship between antioxidant PONs with sperm and other seminal-plasma parameters. Mol. Reprod. Dev. 82: 58–65, 2015. © 2014 Wiley Periodicals, Inc.
PB Wiley
SN 1040-452X
YR 2015
FD 2015
LK https://hdl.handle.net/20.500.14352/109896
UL https://hdl.handle.net/20.500.14352/109896
LA eng
NO Barranco, I., Roca, J., Tvarijonaviciute, A., Rubér, M., Vicente-Carrillo, A., Atikuzzaman, M., Ceron, J.J., Martinez, E.A. and Rodriguez-Martinez, H. (2015), Measurement of activity and concentration of paraoxonase 1 (PON-1) in seminal plasma and identification of PON-2 in the sperm of boar ejaculates. Mol. Reprod. Dev., 82: 58-65. https://doi.org/10.1002/mrd.22444
NO Ministerio de Economía y Competitividad (España)
NO European Commission
NO Ministerio de Educación, Cultura y Deportes (España)
NO Swedish Research Council (FORMAS)
DS Docta Complutense
RD 5 abr 2025