Comparison of cytostatic sensitivities of L 1210 cells and human stimulated lymphocytes in three cell proliferation assays
- 1 December 1980
- journal article
- research article
- Published by Springer Nature in Zeitschrift für Krebsforschung und Klinische Onkologie
- Vol. 98 (3) , 221-231
- https://doi.org/10.1007/bf00410786
Abstract
Three methods of measuring cell proliferation, viz., cellular 3H-thymidine uptake, counting of cells in suspension, and counting of colonies of cells grown in agar contained in glass capillaries, were compared by studying cell growth kinetics using the L 1210 cell line. We found the agar colony culture method to be most suitable and methodologically most advantageous. Using these cytokinetic models, we investigated the differential sensitivities of exponential and stationary phase L 1210 cells and normal, human, PHA-stimulated, peripheral T-lymphocytes to methotrexate, cytosine arabinoside, azathioprine, and a partially purified lymphocyte chalone preparation. L 1210 cells in exponential growth showed a higher drug sensitivity to all the agents tested than those in stationary growth. Normal, human T-lymphocytes exhibited less sensitivity to the tested agents. We found the agar culture to be more than twice as sensitive as the suspension culture and up to 8-fold more sensitive than the 3H-thymidine uptake method. Folgende drei Methoden zur Messung von Zellproliferation wurden mittels wachstumskinetischer Studien an L 1210-Zellen verglichen: Zelluläre 3H-Tdr-Aufnahme, Bestimmung der Zelldichte von Suspensionskulturen und Koloniezählung in Agar-haltigen Glaskapillaren. Die Agar-kultur-Methode erwies sich als die geeignetste und methodisch vorteilhafteste. Unter Anwendung dieser drei cytokinetischen Modelle untersuchten wir die unterschiedlichen Empfindlichkeiten von exponentiell und stationär wachsenden L 1210-Zellen und normalen, PHA-stimulierten, menschlichen T-Lymphocyten auf MTX, Ara-C, Aza und ein teilweise gereinigtes Lymphocyten-Chalon. Die L 1210-Zellen der exponentiellen Phase zeigten höhere Empfindlichkeiten auf die Agenzien als die der stationären Phase. Normale menschliche T-Lymphocyten waren im Vergleich dazu weniger empfindlich. Für die Bestimmung der unterschiedlichen Empfindlichkeiten der Zellen war die Agarkultur-Methode doppelt so empfindlich wie Zellzählung von Zellsuspensionen und bis zu achtfach empfindlicher als die Messung der 3H-Tdr-Aufnahme.Keywords
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