Effects of the breed, sex and age on cellular content and growth factor release from equine pure-platelet rich plasma and pure-platelet rich gel

<p>Abstract</p> <p>Background</p> <p>There is no information on the effects of the breed, gender and age on the cellular content and growth factor (GF) release from equine pure-platelet rich plasma (P-PRP) and pure-platelet rich gel (P-PRG). The objectives of this study...

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Main Authors: Giraldo Carlos E, López Catalina, Álvarez María E, Samudio Ismael J, Prades Marta, Carmona Jorge U
Format: Article
Language:English
Published: BMC 2013-02-01
Series:BMC Veterinary Research
Subjects:
Online Access:http://www.biomedcentral.com/1746-6148/9/29
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author Giraldo Carlos E
López Catalina
Álvarez María E
Samudio Ismael J
Prades Marta
Carmona Jorge U
author_facet Giraldo Carlos E
López Catalina
Álvarez María E
Samudio Ismael J
Prades Marta
Carmona Jorge U
author_sort Giraldo Carlos E
collection DOAJ
description <p>Abstract</p> <p>Background</p> <p>There is no information on the effects of the breed, gender and age on the cellular content and growth factor (GF) release from equine pure-platelet rich plasma (P-PRP) and pure-platelet rich gel (P-PRG). The objectives of this study were: 1) to compare the cellular composition of P-PRP with whole blood and platelet poor plasma (PPP); 2) to compare the concentration of transforming GF beta 1 (TGF-β<sub>1</sub>) and platelet derived GF isoform BB (PDGF-BB) between P-PRP treated with non-ionic detergent (P-PRP+NID), P-PRG (activated with calcium gluconate -CG-), PPP+NID, PPP gel (PPG), and plasma and; 3) to evaluate and to correlate the effect of the breed, gender and age on the cellular and GF concentration for each blood component. Forty adult horses, 20 Argentinean Creole Horses (ACH) and, 20 Colombian Creole Horses (CCH) were included. Data were analyzed by parametric (i.e.: t-test, one way ANOVA) and non parametric (Kruskal-Wallis test, Wilcoxon test) tests. Correlation analysis was also performed by using the Spearman and Pearson tests. A p ≤ 0.05 was set as significant for all tests. All the blood components were compared for platelet (PLT), leukocyte (WBC), TGF-β<sub>1</sub> and PDGF-BB concentrations. The effect of the breed, gender and age on these variables was analyzed. A P ≤ 0.05 was accepted as significant for all the tests.</p> <p>Results</p> <p>PLT counts were 1.8 and 0.6 times higher in P-PRP than in whole blood and PPP, respectively; WBC counts were 0.5 and 0.1 times lower in P-PRP, in comparison with whole blood and PPP, respectively. TGF-β<sub>1</sub> and PDGF-BB concentrations were 2.3 and 262 times higher, respectively, in P-PRG than in plasma, and 0.59 and 0.48 times higher, respectively, in P-PRG than in PPG. P-PRG derived from CCH females or young horses presented significantly (P < 0.001) higher PDGF-BB concentrations than P-PRG derived from ACH males or older horses.</p> <p>Conclusions</p> <p>Our results indicated that P-PRP obtained by a manual method was affected by intrinsic factors such as the breed, gender and age. Equine practitioners should be aware that cellular and GF release from P-PRP/P-PRG could change according with the intrinsic variables associated with a patient in particular<b>.</b></p>
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spelling doaj.art-0f5b11965a4a4e6cad07392b46eeb9542022-12-21T18:48:48ZengBMCBMC Veterinary Research1746-61482013-02-01912910.1186/1746-6148-9-29Effects of the breed, sex and age on cellular content and growth factor release from equine pure-platelet rich plasma and pure-platelet rich gelGiraldo Carlos ELópez CatalinaÁlvarez María ESamudio Ismael JPrades MartaCarmona Jorge U<p>Abstract</p> <p>Background</p> <p>There is no information on the effects of the breed, gender and age on the cellular content and growth factor (GF) release from equine pure-platelet rich plasma (P-PRP) and pure-platelet rich gel (P-PRG). The objectives of this study were: 1) to compare the cellular composition of P-PRP with whole blood and platelet poor plasma (PPP); 2) to compare the concentration of transforming GF beta 1 (TGF-β<sub>1</sub>) and platelet derived GF isoform BB (PDGF-BB) between P-PRP treated with non-ionic detergent (P-PRP+NID), P-PRG (activated with calcium gluconate -CG-), PPP+NID, PPP gel (PPG), and plasma and; 3) to evaluate and to correlate the effect of the breed, gender and age on the cellular and GF concentration for each blood component. Forty adult horses, 20 Argentinean Creole Horses (ACH) and, 20 Colombian Creole Horses (CCH) were included. Data were analyzed by parametric (i.e.: t-test, one way ANOVA) and non parametric (Kruskal-Wallis test, Wilcoxon test) tests. Correlation analysis was also performed by using the Spearman and Pearson tests. A p ≤ 0.05 was set as significant for all tests. All the blood components were compared for platelet (PLT), leukocyte (WBC), TGF-β<sub>1</sub> and PDGF-BB concentrations. The effect of the breed, gender and age on these variables was analyzed. A P ≤ 0.05 was accepted as significant for all the tests.</p> <p>Results</p> <p>PLT counts were 1.8 and 0.6 times higher in P-PRP than in whole blood and PPP, respectively; WBC counts were 0.5 and 0.1 times lower in P-PRP, in comparison with whole blood and PPP, respectively. TGF-β<sub>1</sub> and PDGF-BB concentrations were 2.3 and 262 times higher, respectively, in P-PRG than in plasma, and 0.59 and 0.48 times higher, respectively, in P-PRG than in PPG. P-PRG derived from CCH females or young horses presented significantly (P < 0.001) higher PDGF-BB concentrations than P-PRG derived from ACH males or older horses.</p> <p>Conclusions</p> <p>Our results indicated that P-PRP obtained by a manual method was affected by intrinsic factors such as the breed, gender and age. Equine practitioners should be aware that cellular and GF release from P-PRP/P-PRG could change according with the intrinsic variables associated with a patient in particular<b>.</b></p>http://www.biomedcentral.com/1746-6148/9/29HorsePlatelet concentrateTransforming growth factor beta 1Platelet derived growth factor isoform BBRegenerative therapy
spellingShingle Giraldo Carlos E
López Catalina
Álvarez María E
Samudio Ismael J
Prades Marta
Carmona Jorge U
Effects of the breed, sex and age on cellular content and growth factor release from equine pure-platelet rich plasma and pure-platelet rich gel
BMC Veterinary Research
Horse
Platelet concentrate
Transforming growth factor beta 1
Platelet derived growth factor isoform BB
Regenerative therapy
title Effects of the breed, sex and age on cellular content and growth factor release from equine pure-platelet rich plasma and pure-platelet rich gel
title_full Effects of the breed, sex and age on cellular content and growth factor release from equine pure-platelet rich plasma and pure-platelet rich gel
title_fullStr Effects of the breed, sex and age on cellular content and growth factor release from equine pure-platelet rich plasma and pure-platelet rich gel
title_full_unstemmed Effects of the breed, sex and age on cellular content and growth factor release from equine pure-platelet rich plasma and pure-platelet rich gel
title_short Effects of the breed, sex and age on cellular content and growth factor release from equine pure-platelet rich plasma and pure-platelet rich gel
title_sort effects of the breed sex and age on cellular content and growth factor release from equine pure platelet rich plasma and pure platelet rich gel
topic Horse
Platelet concentrate
Transforming growth factor beta 1
Platelet derived growth factor isoform BB
Regenerative therapy
url http://www.biomedcentral.com/1746-6148/9/29
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