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. 1978 Aug;21(2):474–479. doi: 10.1128/iai.21.2.474-479.1978

Suppression and enhancement of mitogen response in chickens infected with Marek's disease virus and the herpesvirus of turkeys.

L F Lee, J M Sharma, K Nazerian, R L Witter
PMCID: PMC422020  PMID: 211085

Abstract

The kinetics of phytohemagglutinin (PHA) response of peripheral blood lymphocytes from chickens infected with oncogenic Marek's disease (MD) virus (MDV) or nononcogenic herpesvirus of turkeys (HVT) was studied with a whole blood microassay. At about 7 days after inoculation, a depression in PHA response was observed in MDV-inoculated resistant line N or susceptible line 7(2) chickens and in HVT-inoculated line 7(2) chickens. All chickens initially regained their PHA responsiveness. Susceptible chickens that died of MD or developed MD lymphoma in later stages of virus infection showed a second severe depression in PHA response. No depression was observed in HVT-vaccinated chickens when challenged with MDV. The PHA response of MDV-inoculated chickens that survived MD, HVT-inoculated chickens, and HVT-vaccinated MDV-challenged chickens showed evidence of enhancement. The depression of PHA response was studied and was attributed to the suppressive effect of macrophages on T-cell response, a finding consistent with our previous studies on MDV suppression of PHA response.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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