Host and viral factors influencing heterosexual HIV transmission

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

The World Health Organization estimates that 28-30 million people have been infected with human immunodeficiency virus (HIV). Although many important questions remain, much has been learned regarding the biology of heterosexual HIV transmission. For example, most sexual transmission of HIV is probably mediated by cell-free virus. Langerhans cells in the vaginal epithelium and dendritic cells or macrophages in the lamina propria are the most likely target cells in HIV transmission. Although there is restriction in the genotypes of viruses that are sexually transmitted, the common phenotypic characteristic of these viruses does not appear to be related to in vitro measures of tropism but rather to the relatively high in vivo replicative fitness of the transmitted viral variants. Clearly, host factors such as the amount of HIV-1 coreceptor expression on host cells and the presence of ulcerative sexually transmitted diseases affect the susceptibility of an individual to HIV infection. The growing body of information has increased the likelihood that a vaccine capable of preventing HIV-1 infection after exposure during sexual activity will be developed in the foreseeable future.

Original languageEnglish (US)
Pages (from-to)42-51
Number of pages10
JournalReviews of Reproduction
Volume3
Issue number1
DOIs
StatePublished - 1998

Fingerprint

Heterosexuality
Human immunodeficiency virus
virus transmission
HIV
Human immunodeficiency virus 1
viruses
Virus Diseases
Viruses
HIV-1
Langerhans cells
sexually transmitted diseases
tropisms
laminae (animals)
HIV infections
World Health Organization
cells
dendritic cells
Tropism
Langerhans Cells
Disease Susceptibility

ASJC Scopus subject areas

  • Obstetrics and Gynecology
  • Reproductive Medicine
  • Agricultural and Biological Sciences(all)

Cite this

Host and viral factors influencing heterosexual HIV transmission. / Miller, Chris J.

In: Reviews of Reproduction, Vol. 3, No. 1, 1998, p. 42-51.

Research output: Contribution to journalArticle

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