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Sexually transmitted infections (STIs) are diseases transmitted primarily through unsafe sexual interactions. Bacteria, viruses, or parasites cause them and can result in severe health complications if untreated.ChlamydiaThe bacterium Chlamydia trachomatis is responsible for the disease Chlamydia, the most common STI in the United States. This peculiar pathogen requires human cells to reproduce, residing intracellularly. The initial infection often goes unnoticed because it typically does not...
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Recurrent Escherichia coli Urinary Tract Infection Triggered by Gardnerella vaginalis Bladder Exposure in Mice
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Estrogen and bacterial infection.

Longyan Hong1,2, Hao Liang3, Wenqing Man4

  • 1The First Affiliated Hospital of Shandong First Medical University, Shandong Provincial Qianfoshan Hospital, Jinan, China.

Frontiers in Immunology
|May 14, 2025
PubMed
Summary

Estrogen significantly influences how the body fights bacterial infections, impacting susceptibility and recovery in males and females. Understanding estrogen

Keywords:
bacterial infectionestrogenimmune responsemolecular mechanismsex difference

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Area of Science:

  • Immunology
  • Endocrinology
  • Infectious Diseases

Background:

  • Gender disparities are observed in bacterial infection outcomes, influenced by lifestyle and hormonal factors.
  • Estrogen plays a critical immunomodulatory role in host defense against various bacterial pathogens.
  • The complex interplay between estrogen, its receptors, and immune responses affects bacterial infection susceptibility and resolution.

Purpose of the Study:

  • To review the correlation and underlying mechanisms between estrogen and bacterial infections.
  • To highlight the significance of estrogen's role in modulating immune responses to bacterial pathogens.
  • To emphasize the need for further research into estrogen-mediated effects on bacterial infection dynamics.

Main Methods:

  • Literature review of existing studies on gender differences in bacterial infections.
  • Analysis of research on estrogen's immunomodulatory functions.
  • Synthesis of data on estrogen receptor interactions and bacterial pathogenesis.

Main Results:

  • Estrogen levels and receptor activity directly impact host immune system's ability to combat bacterial infections.
  • Variations in estrogen can alter infection incidence, progression, and treatment efficacy.
  • Estrogen exhibits varied roles in infections caused by different bacterial species.

Conclusions:

  • The relationship between estrogen and bacterial infections is complex and crucial for understanding gender-specific health outcomes.
  • Understanding these interactions is vital for developing targeted prevention and treatment strategies for bacterial infections.
  • Further investigation is warranted to fully elucidate the mechanisms and clinical implications of estrogen's role in bacterial pathogenesis.