african horsesickness virus
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2015 ◽  
pp. 58-68 ◽  
Author(s):  
Y. Ozawa ◽  
S. A. Salama ◽  
A. H. Dardiri

2012 ◽  
Vol 86 (15) ◽  
pp. 7858-7866 ◽  
Author(s):  
V. Manole ◽  
P. Laurinmaki ◽  
W. Van Wyngaardt ◽  
C. A. Potgieter ◽  
I. M. Wright ◽  
...  

2011 ◽  
Vol 48 (6) ◽  
pp. 1085-1093 ◽  
Author(s):  
L. H. Maartens ◽  
B. J. Erasmus ◽  
S. J. Clift

In horses, African horsesickness virus (AHSV) exhibits marked tropism for certain microvascular endothelia and components of the mononuclear phagocyte system. In this study, the tropism of a field isolate of AHSV serotype 5 was studied in 24 chicken embryos. Histopathology on embryonic tissues harvested with 12 hour intervals revealed progressive changes associated with endothelial damage. Immunolabeling demonstrated viral antigens in the microvascular endothelium of the spleen, lungs, and the mesenchymal connective tissue at the base of the neck, from 24 hours post inoculation. Subsequently, specific immunolabeling increased steadily in endothelia of these and other tissues such as skeletal and cardiac muscle, gastrointestinal smooth muscle, mesonephric glomeruli, liver, subcutis and feathers. Positive immunolabeling was also occasionally observed in circulating mononuclear cells and in Kupffer cells in the liver. It was concluded, that this isolate of AHSV displayed similar tissue tropism in the chicken embryo as in the horse.


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