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              Open Access  
Copyright: The authors. This article is an open access 
article licensed under the terms of the Creative Commons Attribution License 
 
 
(http://creativecommons.org/licenses/by/2.0) which permits unrestricted use, 
distribution and reproduction in any medium, provided the work is properly 
cited. 
 
              
              
              Research 
              
              
(Published online: 
              
              
              06-05-2015) 
              
              4.
              
              
              Influenza A plasma and serum virus antibody detection comparison 
              in dogs using blocking enzyme-linked immunosorbent assay 
              -  
              H. T. 
              Lin, C. H. Hsu, H. J. Tsai, C. H. Lin, P. Y. Lo, S. L. Wang and L. 
              C. Wang  
              
              Veterinary World, 8(5): 580-583   
              
   
                
                
doi: 
              10.14202/vetworld.2015.580-583   
              H. T. Lin: 
              
              Institute of Veterinary Clinical Sciences, School of Veterinary 
              Medicine, National Taiwan University, 1 Sec. 4, Roosevelt Road, 
              Taipei 10617, Taiwan; 
              
              drephy0961897@gmail.com 
              C. H. Hsu: 
              
              Institute of Veterinary Clinical Sciences, School of Veterinary 
              Medicine, National Taiwan University, 1 Sec. 4, Roosevelt Road, 
              Taipei 10617, Taiwan; 
              
              b01609074@ntu.edu.tw 
              H. J. Tsai: 
              
              Institute of Veterinary Clinical Sciences, School of Veterinary 
              Medicine, National Taiwan University, 1 Sec. 4, Roosevelt Road, 
              Taipei 10617, Taiwan; 
              
              hjjtsai@ms52.url.com.tw 
              C. H. Lin: 
              
              Institute of Veterinary Clinical Sciences, School of Veterinary 
              Medicine, National Taiwan University, 1 Sec. 4, Roosevelt Road, 
              Taipei 10617, Taiwan; 
              sail@pie.com.tw 
              P. Y. Lo: 
              
              Institute of Veterinary Clinical Sciences, School of Veterinary 
              Medicine, National Taiwan University, 1 Sec. 4, Roosevelt Road, 
              Taipei 10617, Taiwan; 
              
              pylo13@gmail.com 
              S. L. Wang: 
              
              Institute of Veterinary Clinical Sciences, School of Veterinary 
              Medicine, National Taiwan University, 1 Sec. 4, Roosevelt Road, 
              Taipei 10617, Taiwan; 
              
              b88609024@ntu.edu.tw  
              L. C. Wang: Institute of Veterinary 
              Clinical Sciences, School of Veterinary Medicine, National Taiwan 
              University, 1 Sec. 4, Roosevelt Road, Taipei 10617, Taiwan; 
              lcwang@ntu.edu.tw   Received: 
              8-11-2014, Revised: 31-03-2015, Accepted: 07-04-2015, Published 
              online: 06-05-2015    
              
              
              Corresponding author: 
              
              L. C. Wang, e-mail: 
              lcwang@ntu.edu.tw 
 
              Citation: Lin 
              HT, Hsu CH, Tsai HJ, Lin CH, Lo PY, Wang SL, Wang LC (2015) 
              Influenza A plasma and serum virus antibody detection comparison 
              in dogs using blocking enzyme-linked immunosorbent assay (bELISA),
              Veterinary World 8(5):580-583. 
 
              Abstract 
 
              Background and Aim: The 
              influenza A virus (IAV) is an important zoonotic pathogen with 
              infections also reported in dogs. IAV infections can be detected 
              through the presence of antibodies using the enzyme-linked 
              immunosorbent assay (ELISA). Serum is the only standard sample 
              source; however, there is no information on the availability of 
              other sample sources for IAV antibody detection in dogs. Compared 
              with serum, plasma is more widely employed in most animal 
              hospitals. The object of this study is to investigate whether 
              plasma collected in ethylenediaminetetraacetic acid (EDTA) tubes (EDTA 
              plasma) or heparin tubes (heparin plasma) could be used in the 
              ELISA protocol instead of serum for IAV antibody detection in 
              dogs.  
              Materials and Methods: Totally, 82 matched EDTA plasma and 
              serum sample pairs and 79 matched heparin plasma and serum sample 
              pairs were employed using blocking enzyme-linked immunosorbent 
              assay (bELISA). The agreement and correlation between the plasma (EDTA 
              or heparin plasma) and serum were assessed using the agreement 
              index kappa (kD) calculation and Pearson correlation 
              coefficient, respectively.  
              Results: The agreement index kD of EDTA plasma and 
              serum was 1.0, and that of heparin plasma and serum was 0.85. The 
              Pearson correlation coefficient of EDTA plasma and serum was 0.87 
              (p<0.01), and that of heparin plasma and serum was 0.82 (p<0.01).
               
              Conclusion: The results proved that plasma, especially EDTA 
              plasma, could be substituted for serum in the bELISA test. This 
              might greatly expand the clinical applicability of IAV antibody 
              detection in dogs.  
              Keywords: dog, enzyme-linked immunosorbent assay, influenza A 
              virus, plasma, serum.  
 
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