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Related Experiment Videos

Ultrastructural study of cervical gonorrhea.

B A Evans

    The Journal of Infectious Diseases
    |August 1, 1977
    PubMed
    Summary

    Neisseria gonorrhoeae attaches to stratified squamous epithelium, aiding persistence and protection from immune cells. Rapid division on exfoliated cells in cervical secretions drives gonorrhea infectivity.

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    Area of Science:

    • Microbiology
    • Gynecology
    • Cell Biology

    Background:

    • Neisseria gonorrhoeae is a significant cause of sexually transmitted infections.
    • Understanding the interaction between Neisseria gonorrhoeae and cervical epithelium is crucial for disease control.

    Purpose of the Study:

    • To investigate the ultrastructural interactions between Neisseria gonorrhoeae and the human cervical squamocolumnar junction.

    Main Methods:

    • Ultrastructural examination of cervical tissue from patients infected with Neisseria gonorrhoeae.
    • Microscopic analysis of gonococcal attachment, growth, and interaction with host cells.

    Main Results:

    • Gonococci firmly attach to stratified squamous epithelium, initiated by superficial squames' cytoplasmic membrane activity.
    • Gonococci were not found attached to mucus-secreting columnar epithelium.
    • Optimal gonococcal growth occurred in cervical secretions, particularly on exfoliated squames.
    • Survival within polymorphonuclear leukocytes was not unique to gonococci; phagocytic recycling likely minimizes its significance.

    Conclusions:

    • Gonorrhea persistence in females likely depends on gonococcal adherence to stratified epithelium, providing protection from phagocytosis.
    • Gonorrhea infectivity may stem from rapid gonococcal division on exfoliated squames, leading to release into cervical secretions.

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