Rapid and quantitative in vitro measurement of cellular chemotaxis and invasion

Margaret B. Penno, Jennifer C. Hart, Shaker A. Mousa, Jeffrey M. Bozarth

Research output: Contribution to journalArticle

Abstract

An in vitro, fluorimetric method for cellular chemotaxis and invasion has been developed using a commercially available, disposable, 96-well chamber. This 4-18 hour microtiter chamber assay has a number of important advantages over existing methods. It does not require prior labeling of cells or radioactivity, and is rapid, automatable and quantitative. Cells are quantitated by a novel actin-based fluorescence tag as reported previously. Following quantitation, cells are easily detectable by fluorescence microscopy. In addition, this assay conserves reagents due to its low volumes in the upper and lower chambers. The assay has been optimized using cultured human lung cancer cells to identify inhibitors or activators of directed cell migration. The effects of antibodies to αvβ3, αvβ5, and CD44 on the chemotaxis and invasion of A549 cultured lung tumor cells are reported.

Original languageEnglish (US)
Pages (from-to)189-195
Number of pages7
JournalMethods in Cell Science
Volume19
Issue number3
DOIs
StatePublished - 1997

Fingerprint

Chemotaxis
Assays
Cells
Fluorescence microscopy
Radioactivity
Cultured Tumor Cells
Antibodies
Labeling
Actins
Tumors
Fluorescence
Fluorescence Microscopy
Cell Movement
Lung Neoplasms
Lung
In Vitro Techniques

Keywords

  • Chemotaxis
  • Fluorescence measurement
  • In vitro migration
  • Integrin
  • Invasion
  • Lung tumor
  • Metastasis
  • Quantitation

ASJC Scopus subject areas

  • Cell Biology

Cite this

Rapid and quantitative in vitro measurement of cellular chemotaxis and invasion. / Penno, Margaret B.; Hart, Jennifer C.; Mousa, Shaker A.; Bozarth, Jeffrey M.

In: Methods in Cell Science, Vol. 19, No. 3, 1997, p. 189-195.

Research output: Contribution to journalArticle

Penno, Margaret B. ; Hart, Jennifer C. ; Mousa, Shaker A. ; Bozarth, Jeffrey M. / Rapid and quantitative in vitro measurement of cellular chemotaxis and invasion. In: Methods in Cell Science. 1997 ; Vol. 19, No. 3. pp. 189-195.
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