alexa Multiple human herpesvirus-8 infection.
Infectious Diseases

Infectious Diseases

Journal of AIDS & Clinical Research

Author(s): Beyari MM, Hodgson TA, Cook RD, Kondowe W, Molyneux EM, , Beyari MM, Hodgson TA, Cook RD, Kondowe W, Molyneux EM,

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Abstract In Malawian patients with Kaposi sarcoma (KS) and their relatives, we investigated nucleotide-sequence variation in human herpesvirus-8 (HHV-8) subgenomic DNA, amplified from oral and blood samples by use of polymerase chain reaction. Twenty-four people had amplifiable HHV-8 DNA in >1 sample; 9 (38\%) were seropositive for human immunodeficiency virus type 1, 21 (88\%) were anti-HHV-8-seropositive, and 7 (29\%) had KS. Sequence variation was sought in 3 loci of the HHV-8 genome: the internal repeat domain of open-reading frame (ORF) 73, the KS330 segment of ORF 26, and variable region 1 of ORF K1. Significant intraperson/intersample and intrasample sequence polymorphisms were observed in 14 people (60\%). For 3 patients with KS, intraperson genotypic differences, arising from nucleotide sequence variations in ORFs 26 and K1, were found in blood and oral samples. For 2 other patients with KS and for 9 people without KS, intraperson genotypic and subgenotypic differences, originating predominantly from ORF K1, were found in oral samples; for the 2 patients with KS and for 4 individuals without KS, intrasample carriage of distinct ORF K1 sequences also were discernible. Our findings imply HHV-8 superinfection. This article was published in J Infect Dis and referenced in Journal of AIDS & Clinical Research

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