Gut Microbiota in Human Immunodeficiency Virus-Infected Individuals Linked to Coronary Heart Disease

Jan Kehrmann1, Jannis Menzel1, Mohammadkarim Saeedghalati2

  • 1Institute of Medical Microbiology, University Hospital Essen.

Insights

Human immunodeficiency virus (HIV) infection impacts gut microbiota diversity, influencing coronary heart disease (CHD) risk. Microbiome community structures, not just species, may aid CHD risk assessment in HIV patients.

Area of Science:

  • Microbiome research
  • Cardiovascular health in infectious diseases
  • Human virology

Background:

  • Human immunodeficiency virus (HIV) infection is a known risk factor for coronary heart disease (CHD).
  • HIV infection is associated with alterations in the gut microbiota composition and function.

Purpose of the Study:

  • To investigate the association between gut microbiota and coronary heart disease (CHD) in individuals with HIV.
  • To identify specific microbial patterns linked to CHD in the HIV-infected population.

Main Methods:

  • Analysis of gut microbiota composition in 60 HIV-infected individuals (30 with CHD, 30 without CHD).
  • Comparison of alpha-diversity, beta-diversity, and bacterial genus co-occurrence networks between groups.
  • Multidimensional scaling to identify distinct microbiome clusters.

Main Results:

  • Gut microbiota associated with CHD exhibited lower alpha-diversity.
  • Distinct co-occurrence networks of bacterial genera were observed between CHD+ and CHD- individuals.
  • Two microbiome clusters emerged, dominated by Prevotella or Bacteroides, with significant differences in 49 genera and distinct demographic profiles (e.g., sexual behavior).

Conclusions:

  • Gut microbiota community structures, rather than individual species, may be valuable for assessing CHD risk in HIV-infected individuals.
  • Sexual behavior is a significant factor influencing gut microbiota diversity and should be considered in future HIV-related CHD research.
Abstract

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