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Microbiome Differences in Preeclampsia Versus Lupus Nephritis.

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  • 1Rheumatology and Immunology, Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine, Davie, USA.

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Preeclampsia (PE) and lupus nephritis (LN) share similar immune dysregulation and microbiome changes. However, their distinct causes and specific microbial patterns offer potential for diagnosis and targeted therapies.

Keywords:
high-risk pregnancyhypertensive states of pregnancylupus nephritis flarepre-eclampsiasle pathogenesis

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Area of Science:

  • Obstetrics and Gynecology
  • Nephrology
  • Immunology
  • Microbiome Research

Background:

  • Preeclampsia (PE) and lupus nephritis (LN) present overlapping clinical symptoms like hypertension, proteinuria, and inflammation, suggesting shared immune dysregulation.
  • Both conditions are characterized by endothelial dysfunction and altered microbiome composition, including reduced diversity and loss of beneficial bacteria.
  • These shared features indicate a potential role for the microbiome in the pathogenesis of both PE and LN.

Purpose of the Study:

  • To compare the clinical features, immune dysregulation, and microbiome profiles of preeclampsia and lupus nephritis.
  • To elucidate the distinct etiologies and specific microbiome alterations in PE and LN.
  • To explore the potential of microbiome-based diagnostics and therapeutics for these conditions.

Main Methods:

  • Comparative analysis of clinical data, inflammatory markers, and endothelial function in patients with PE and LN.
  • Microbiome profiling (e.g., 16S rRNA sequencing) of relevant body sites in PE and LN cohorts.
  • Correlation analysis between microbial composition, host immune responses, and disease severity.

Main Results:

  • Both PE and LN exhibit reduced microbial diversity and enrichment of pro-inflammatory microbes.
  • PE is associated with placental dysfunction and specific microbial enrichment linked to endothelial dysfunction and impaired trophoblast invasion.
  • LN involves gut dysbiosis with expanded pro-inflammatory species and depleted immunoregulatory taxa, leading to increased intestinal permeability and renal inflammation.

Conclusions:

  • Shared microbiome features in PE and LN highlight the role of microbial dysbiosis in overlapping pathologies.
  • Disease-specific microbial signatures in PE and LN suggest potential for diagnostic differentiation.
  • Targeting the microbiome presents a promising avenue for future therapeutic strategies in managing PE and LN.