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Proceedings Paper

Automatic segmentation and quantification of fluorescing microspheres adhering to capillary endothelial cells in the rat lung
Author(s): Thomas A. Albert; Victor H. Fingar; Scott W. Taber M.D.; Thomas Jeffery Wieman M.D.
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Paper Abstract

Adhesion molecules present in the cellular membrane of the endothelium provide sites of leukocyte adherence as a first step in the process of leukocyte migration into the interstitium. New evidence suggests the same adhesion proteins may be responsible for the spread of metastatic tumors by providing a location for tumor cell attachment. A method was sought to quantitate the degree of adhesion molecule expression in the pulmonary capillary endothelium using a recently developed animal model which allows for viewing the lung surface in vivo. Videoimages of the pulmonary vascular system were gathered using this new lung chamber technique. A fully automated digital image processing and analysis (DIPA) system was also developed to estimate the level of intercellular adhesion molecule-1 (ICAM-1) expression on the capillary endothelial cells in these videoimages. Fluorescent microspheres were immunologically bound to the ICAM-1 molecules present on the endothelial cell surface. The DIPA system then located and quantified the fluorescent spots present in the videoimages. The ability of this system to locate and measure the fluorescence was compared with human measurements of the same images.

Paper Details

Date Published: 24 May 1995
PDF: 8 pages
Proc. SPIE 2433, Medical Imaging 1995: Physiology and Function from Multidimensional Images, (24 May 1995); doi: 10.1117/12.209719
Show Author Affiliations
Thomas A. Albert, Univ. of Louisville (United States)
Victor H. Fingar, Univ. of Louisville (United States)
Scott W. Taber M.D., Univ. of Louisville (United States)
Thomas Jeffery Wieman M.D., Univ. of Louisville (United States)

Published in SPIE Proceedings Vol. 2433:
Medical Imaging 1995: Physiology and Function from Multidimensional Images
Eric A. Hoffman, Editor(s)

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