PMID: 4898382Aug 1, 1969Paper

Modesl of growth in mammalian cells

Biophysical Journal
W K Sinclair, D W Ross

Abstract

The increase of cell volume as a function of time was studied throughout the generation cycle in synchronous cultures of Chinese hamster cells using a Coulter aperture and a multichannel analyzer calibrated against known cell volumes. The experimental results were compared to a mathematical model of cell volume increase which considered the effect of the distribution of individual cell generation times on the progress of the population. Several modes of volume increase, including linear and exponential, were considered. The mean volume vs. time curve was rounded at the ends of the cycle even when linear growth was assumed. The experimental results show that cell volume increased in a smooth fashion as a function of time, with no discontinuities in rate detectable at periods when cells may have been undergoing metabolic shifts as, for example, through the phases associated with DNA synthesis, G(1), S, G(2). A statistical test on the comparison of the modal cell volume vs. time data to the predictions of linear and exponential growth models accepted both hypotheses within the resolution of these experiments. However, exponential growth was favored over linear growth in one cell line. Volume dispersion was almost constant with tim...Continue Reading

Citations

Jan 1, 1979·Annals of Biomedical Engineering·P J Palatt, G M Saidel
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Aug 1, 1977·The Journal of Cell Biology·J W PosakonyG Attardi
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Jan 13, 2018·Cartilage·Juan Manuel López-AlcorochoPedro Guillén-García
Jan 1, 1981·Virchows Archiv. B, Cell Pathology Including Molecular Pathology·D W Ross
Jul 1, 1976·Cell and Tissue Kinetics·D W Ross
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