Peripheral Blood Mononuclear Cells of the Elderly Contain Varicella-Zoster Virus DNA
1992
Peripheral blood mononuclear cells (PBMC) from humans of different ages were analyzed for DNA sequences specific for varicella-zoster virus (VZV) genes 29 and 62 by polymerase chain reaction (PCR). Neither VZV gene was detected in DNA from umbilical cord blood PBMC of 10 infants or from blood PBMC of two 3-year-old children. In 22 humans ^0 years old, gene 29 was not detected, and gene 62 was detected in only one subject. In 33 humans ^0 years old, including patients with postherpetic neuralgia, PBMC from 4 subjects contained gene 29, 4 contained gene 62, and 1 contained both genes. The presence of VZV DNA correlated significantly with age (P < .05, x2 and logistic regression analysis), but not with gender or postherpetic neuralgia.
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