Increased interleukin-6 activity in the serum of ponies acutely infected with equine infectious anaemia virus.
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Seven ponies were infected with the virulent wild-type Wyoming strain of equine infectious anaemia virus (EIAV). Infection status was monitored by serum reverse transcriptase activity, rectal temperature, and complete blood count. Preinfection serum and serum obtained during the initial febrile episode following infection were assayed for interleukin 6 (IL-6) activity. Postinfection IL-6 activity was significantly increased as compared to preinfection values. The magnitude of increase in IL-6 was positively correlated with reverse transcriptase activity (an indirect measure of viraemia) but was not correlated with rectal temperature. IL-6 production in response to EIAV infection may play a role in pathogenesis of disease, especially the hyperglobulinaemia and apparent polyclonal B cell activation in these horses.
author list (cited authors)
Sellon, D. C., Russell, K. E., Monroe, V. L., & Walker, K. M.
complete list of authors
Sellon, DC||Russell, KE||Monroe, VL||Walker, KM