Assessment of pregnancy-associated glycoprotein (PAG) concentrations in swamp buffalo samples from fetal and maternal origins by using interspecies antisera.
Nguyen, V. H.; Barbato, O.; Bui, X. N.et al.
2012 • In Animal Science Journal, 83 (10), p. 683-689
[en] Pregnancy-associated glycoproteins (PAG) constitute a large family of glycoproteins found in the outer placental epithelial cell layer of the placenta in Eutherian species. In ruminants, they are noted to be structurally closely related among the different species. This study was designed to determine PAG concentrations in maternal and fetal plasma, allantoic and amniotic fluids in buffalo species. Antisera (AS) generated in rabbits against distinct PAG molecules were used in three RIA-PAG systems: RIA-1 (raised against bovine PAG67kDa; AS#497), RIA-2 (raised against caprine PAG55+62kDa; AS#706) or RIA-3 (raised against buffalo PAG; AS#859). Samples were collected at slaughterhouse (n = 67). PAG concentrations determined by RIA-2 gave significantly higher results in both allantoic and amniotic fluids (12.7 ± 2.1 ng/ml and 24.0 ± 7.3 ng/ml, respectively). Regarding maternal and fetal plasma, PAG concentrations obtained by RIA-2 (21.8 ± 2.4 ng/ml and 20.2 ± 2.5 ng/ml, respectively) and RIA-3 (25.0 ± 2.2 ng/mL and 21.9 ± 3.2 ng/ml, respectively) were higher than those obtained by RIA-1 (15.5 ± 1.4 ng/ml and 16.1 ± 1.8 ng/ml, respectively). The correlation among the three systems was very high. The study clearly reveals the ability of PAG-RIA systems to determine PAG concentration in swamp buffalo samples.
Disciplines :
Veterinary medicine & animal health
Author, co-author :
Nguyen, V. H.
Barbato, O.
Bui, X. N.
Beckers, Jean-François ; Université de Liège - ULiège > Département de sciences fonctionnelles > Physiologie de la reproduction
Melo de Sousa, Noelita ; Université de Liège - ULiège > Département de sciences fonctionnelles > Physiologie de la reproduction
Language :
English
Title :
Assessment of pregnancy-associated glycoprotein (PAG) concentrations in swamp buffalo samples from fetal and maternal origins by using interspecies antisera.
Publication date :
October 2012
Journal title :
Animal Science Journal
ISSN :
1344-3941
eISSN :
1740-0929
Publisher :
Blackwell Publishing, Japan
Volume :
83
Issue :
10
Pages :
683-689
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Belgian Technical Cooperation (to N. Van Hanh), FNRS (Grant number CC 1.5.059.08) and Ministry of the Walloon Region-DGA (Grant number D31-1184)
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