Sexual transmission of Simian T-lymphotropic virus type I: A model of human T-lymphotropic virus type I infection

Aristides Lazo, Robert T. Bailer, Michael Dale Lairmore, Jo Ann L Yee, Janice Andrews, Vernon C. Stevens, James R. Blakeslee

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Simian T-lymphotropic virus type-I (STLV-I) seronegative females placed together with seropositive males for breeding purposes were followed from 1984-1990 to determine seroconversion rates by enzyme immunoassay and western immunoblot analysis. Two of 26 females and 1 of 4 males previously negative for antibodies to STLV-I seroconverted during the study period. Statistical analysis of sexual encounters indicated that the probability of a seronegative female testing positive for STLV-I after a sexual encounter with a seropositive male is less than 4%. These data indicate that even though sexual contact is important in the transmission of STLV-I, it may not be an efficient mode of viral infection. These data also suggest that female-to-male transmission of STLV-I occurs, as recently reported for human T-lymphotropic virus type-I (HTLV-I) infection. These results are important because HTLV-I and STLV-I share many features in common including routes of viral transmission. In addition, the difficulty of clearly quantitating the risks of sexual transmission in humans makes the primate animal model a valuable alternative to study the human infection.

Original languageEnglish (US)
JournalLeukemia
Volume8
Issue numberSUPPL.1
StatePublished - 1994
Externally publishedYes

ASJC Scopus subject areas

  • Cancer Research
  • Hematology

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