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细胞生长与分裂。IV. 体积生长速率和分裂概率的测定。

Cell growth and division. IV. Determination of volume growth rate and division probability.

作者信息

Anderson E C, Bell G I, Petersen D F, Tobey R A

出版信息

Biophys J. 1969 Feb;9(2):246-63. doi: 10.1016/S0006-3495(69)86383-6.

Abstract

Volume growth rate and division probability functions for mammalian cells have been determined as functions of cell volume with good reproducibility and statistical precision using Coulter volume spectrometry and the equations of the Bell model. Results are compared with independent measurements on synchronous cultures. The slow rate of volume dispersion requires that the growth rate F(tau, V) be closely proportional to volume for cells of a given age. However, when F(tau, V) is averaged over the age distribution of a population in balanced exponential growth to give the growth rate function f(V), the latter may rise more steeply than V.

摘要

利用库尔特体积光谱法和贝尔模型方程,已确定哺乳动物细胞的体积生长速率和分裂概率函数是细胞体积的函数,具有良好的可重复性和统计精度。将结果与同步培养物的独立测量结果进行比较。体积分散的缓慢速率要求给定年龄的细胞的生长速率F(τ, V)与体积密切成比例。然而,当F(τ, V)在平衡指数生长的群体的年龄分布上进行平均以给出生长速率函数f(V)时,后者可能比V上升得更陡峭。

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