Digital confocal microscopy allows measurement and three-dimensional multiple spectral reconstruction of Neisseria gonorrhoeae/epithelial cell interactions in the human fallopian tube organ culture model

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Abstract

A strategy for measuring Neisseria gonorrhoeae attachment and invasion in the human Fallopian tube organ culture (FTOC) model via computerized image analysis (CIA) combined with 'digital' confocal microscopy (DCM) was tested. DCM on serial image stacks of fluorescent latex beads reduced out-of-focus light propagation in the Z-axis (p+ gonococci were stained with fluorescein-labeled monoclonal anti-gonococcal antibodies, rhodamine-labeled phalloidin, and Hoechst 33342. Serial images collected at identical focal planes for each fluorochrome were subjected to DCM. Epithelial cytoplasmic regions of interest defined by rhodamine-stained actin were superimposed on the corresponding fluorescein-stained and Hoechst-stained images. Fluorescent objects defined by gray-scale threshold were measured by computerized image analysis using different border treatments to differentiate attached from intracellular gonococci or count cell nuclei. Compared with raw images, measurement of DCM images was less dependent on threshold choice (p

Original languageEnglish
Pages (from-to)297-306
Number of pages10
JournalJournal of Histochemistry and Cytochemistry
Volume42
Issue number3
StatePublished - 1994
Externally publishedYes

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Fallopian Tubes
Neisseria gonorrhoeae
Organ Culture Techniques
Confocal Microscopy
Cell Communication
Epithelial Cells
Fluorescein
Rhodamines
Cell Nucleus
Microspheres
Fluorescent Dyes
Computer Simulation
Actins
Anti-Idiotypic Antibodies
Monoclonal Antibodies
Light

All Science Journal Classification (ASJC) codes

  • Cell Biology
  • Anatomy

Cite this

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