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Study of diosgenin-induced apoptosis kinetics in K562 cells by Sedimentation Field Flow Fractionation.

Abstract : Recently, the use of SdFFF in cancer research has been studied in order to better understand major phenomena implicated in cancer development and therapy: apoptosis and differentiation. In this report, we used SdFFF as a monitoring and cell separation tool to study the kinetics of apoptosis. Incubation of K562 cells with diosgenin, used as cellular model, led to a surprising apoptotic process occurring in two phases (after 24 and 48 h incubation), associated with specific p-ERK expression. Based on the capacity to sort apoptotic cells, results showed that SdFFF cell separation was an effective analytical tool to obtain different subpopulations regardless of the kinetics and extent of apoptosis. Results also showed that, after proper biological calibration of elution profiles, SdFFF can be used to monitor either the induction or the kinetics of a biological event.
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https://hal-unilim.archives-ouvertes.fr/hal-00595069
Contributeur : Françoise Merigaud <>
Soumis le : lundi 23 mai 2011 - 14:33:22
Dernière modification le : mercredi 10 juillet 2019 - 14:28:03

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Julian Bertrand, Bertrand Liagre, Gaëlle Bégaud-Grimaud, Marie-Odile Jauberteau-Marchan, Philippe Cardot, et al.. Study of diosgenin-induced apoptosis kinetics in K562 cells by Sedimentation Field Flow Fractionation.. Journal of Chromatography B - Analytical Technologies in the Biomedical and Life Sciences, Elsevier, 2008, 869 (1-2), pp.75-83. ⟨10.1016/j.jchromb.2008.05.024⟩. ⟨hal-00595069⟩

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