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J Am Vet Med Assoc. 2000 Aug 1;217(3):384-7, 341.

T-cell lymphoproliferative disorder in an aged rhesus macaque.

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California Regional Primate Research Center, Department of Pathology, School of Medicine, University of California, Davis 95616, USA.


A CD8+ T-cell leukemia was diagnosed in an aged female rhesus macaque. Although leukemia and lymphoma in nonhuman primates are commonly associated with simian T-lymphotropic virus, gibbon ape leukemia virus, oncogenic herpesviruses, and types C, D, and E retroviruses, this monkey was not infected with any of these viruses. However, the monkey did have antibodies against herpesvirus saimiri. This likely represents cross-reactivity of the herpesvirus saimiri assay with rhesus monkey rhadinovirus (RRV) antibodies; RRV was first described in rhesus macaques that were identified as having antibodies against herpesvirus saimiri. Rhesus rhadinovirus is a gamma herpesvirus, related antigenically to herpesvirus saimiri and Kaposi's sarcoma-associated herpesvirus (KSHV), which have been linked to lymphoproliferative disorders in primates and humans, respectively. Moreover, an oncogene has been recently identified in the RRV genome that is equivalent in position to the herpesvirus saimiri and KSHV oncogenes. Presently, the association of RRV infection with disease in nonhuman primates is unknown.

[Indexed for MEDLINE]

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