(K) Cell surface area measurement of NRCM for indicated groups. Analyzed by One-way ANOVA. n=3 independent experiments, n>150 cells. Data information: Error bars indicate means ± SEM; * - P ≤ 0.05, ** - P ≤ 0.01, *** - P ≤ 0.001, **** - P ≤ 0.0001 