Estimation of cell proliferation dynamics using CFSE data.
Advances in fluorescent labeling of cells as measured by flow cytometry have allowed for quantitative studies of proliferating populations of cells. The investigations (Luzyanina et al. in J. Math. Biol. 54:57-89, 2007; J. Math. Biol., 2009; Theor. Biol. Med. Model. 4:1-26, 2007) contain a mathematical model with fluorescence intensity as a structure variable to describe the evolution in time of proliferating cells labeled by carboxyfluorescein succinimidyl ester (CFSE). Here, this model and several extensions/modifications are discussed. Suggestions for improvements are presented and analyzed with respect to statistical significance for better agreement between model solutions and experimental data. These investigations suggest that the new decay/label loss and time dependent effective proliferation and death rates do indeed provide improved fits of the model to data. Statistical models for the observed variability/noise in the data are discussed with implications for uncertainty quantification. The resulting new cell dynamics model should prove useful in proliferation assay tracking and modeling, with numerous applications in the biomedical sciences.
Banks
H T
HT
Center for Research in Scientific Computation, North Carolina State University, Raleigh, NC 27695-8212, USA. htbanks@ncsu.edu
Sutton
Karyn L
KL
Thompson
W Clayton
WC
Bocharov
Gennady
G
Roose
Dirk
D
Schenkel
Tim
T
Meyerhans
Andreas
A
D049109:Cell Proliferation; D005434:Flow Cytometry / Q000379:methods / Q000706:statistics & numerical data; D005452:Fluoresceins; D005456:Fluorescent Dyes; D006801:Humans; D066298:In Vitro Techniques; D016018:Least-Squares Analysis; D055641:Mathematical Concepts; D008954:Models, Biological; D015233:Models, Statistical; D013388:Succinimides
C087165:5-(6)-carboxyfluorescein diacetate succinimidyl ester; D005452:Fluoresceins; D005456:Fluorescent Dyes; D013388:Succinimides