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Pigs naturally exposed to porcine circovirus type 2 (PCV2) generate antibody responses capable to neutralise PCV2 isolates of different genotypes and geographic origins

Overview of attention for article published in Veterinary Research, March 2014
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Title
Pigs naturally exposed to porcine circovirus type 2 (PCV2) generate antibody responses capable to neutralise PCV2 isolates of different genotypes and geographic origins
Published in
Veterinary Research, March 2014
DOI 10.1186/1297-9716-45-29
Pubmed ID
Authors

Sherry Kurtz, Llorenç Grau-Roma, Martí Cortey, Maria Fort, Fernando Rodríguez, Marina Sibila, Joaquim Segalés

Abstract

Porcine circovirus type 2 (PCV2) is the essential infectious agent for PCV2-systemic disease (PCV2-SD, formerly known as postweaning multisystemic wasting syndrome) and other pathological conditions. Recent studies indicated antigenic variability amongst different PCV2 isolates and suggested that single amino acid changes within the capsid protein determine differences in the level of neutralization by specific monoclonal antibodies. The objective of the present study was to examine the cross-reactivity of PCV2 antibodies induced in the context of a natural infection against different PCV2 isolates belonging to genotypes PCV2a and PCV2b. Sera taken from several farms from animals of varying health status (PCV2-SD and age-matched healthy pigs and a set of slaughter-aged animals) were assayed for neutralizing activity against four PCV2 isolates from both predominant genotypes (PCV2a and PCV2b) and of differing geographic origins (Europe and North-America). Results showed that most of studied pigs (79 out of 82) contained neutralizing antibodies (NA) able to neutralize all four studied viral strains. Overall, pigs had significantly higher NA titres against PCV2a than against PCV2b (P < 0.001). Accordingly, studied serums were able to better neutralize Burgos390L4 and Stoon-1010 strains (PCV2a) than L-33-Sp-10-54 and MO/S-06 strains (PCV2b) (P < 0.001). No differences between capabilities of seroneutralization of viruses from different geographic origin were observed. Present data suggests that sequence differences between PCV2 isolates translate to functional antigenic differences in viral neutralization in vivo.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 37 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 1 3%
Denmark 1 3%
Unknown 35 95%

Demographic breakdown

Readers by professional status Count As %
Researcher 6 16%
Student > Bachelor 4 11%
Student > Master 4 11%
Student > Ph. D. Student 4 11%
Unspecified 3 8%
Other 7 19%
Unknown 9 24%
Readers by discipline Count As %
Veterinary Science and Veterinary Medicine 9 24%
Agricultural and Biological Sciences 6 16%
Medicine and Dentistry 4 11%
Unspecified 3 8%
Immunology and Microbiology 2 5%
Other 3 8%
Unknown 10 27%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 07 March 2014.
All research outputs
#20,656,820
of 25,374,647 outputs
Outputs from Veterinary Research
#1,035
of 1,337 outputs
Outputs of similar age
#174,111
of 235,898 outputs
Outputs of similar age from Veterinary Research
#19
of 27 outputs
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