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Sex Differences in HIV Infection.

Eileen P Scully1

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Biological sex significantly impacts HIV acquisition, disease progression, and treatment outcomes. Understanding these sex-based differences is crucial for developing effective HIV prevention and cure strategies, especially for women.

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Area of Science:

  • Immunology
  • Virology
  • Endocrinology

Background:

  • Biological sex influences various aspects of human health and disease.
  • Human Immunodeficiency Virus (HIV) infection presents unique challenges influenced by biological factors.
  • Sex hormones and the microbiome play roles in HIV susceptibility and progression.

Purpose of the Study:

  • To review the multilevel effects of biological sex on HIV acquisition.
  • To examine sex-specific impacts on HIV pathogenesis and treatment response.
  • To explore sex differences in HIV cure research and identify future directions.

Main Methods:

  • Review of existing literature on biological sex and HIV.
  • Analysis of data on sex hormones, vaginal microbiome, and HIV risk.
  • Examination of studies on sex differences in viral reservoir dynamics and latency.

Main Results:

  • Female sex is associated with increased HIV acquisition risk due to hormonal and microbiome factors.
  • Sex differences exist in non-AIDS comorbidities, suggesting distinct inflammatory profiles.
  • Biological sex influences viral reservoir size and maintenance, impacting HIV cure strategies.

Conclusions:

  • Biological sex is a critical determinant in HIV infection, pathogenesis, and response to therapy.
  • Sex differences are relevant for developing curative interventions for HIV.
  • Increased recruitment of women in HIV research is essential for optimizing care and discovering new treatments.