. Author manuscript; available in PMC: 2013 Dec 1.

Published in final edited form as: Biol Trace Elem Res. 2012 Sep 19;150(0):467–476. doi: 10.1007/s12011-012-9503-9

Table 1.

Effects of calcium alone and calcium plus gadolinium at different concentrations on proliferation of HCT-116 cells and SW480 cells

Conditions	Number of cells ×10⁻⁴

	HCT-116	SW480
1.5 mM calcium	13.2±0.1	14.4±0.2
3.0 mM calcium	9.9±0.1	9.8±0.2
+1 µM Gd³⁺	9.3±0.2	9.6±0.1
+5 µM Gd³⁺	7.5±0.3^*	8.2±0.1^*
+10 µM Gd³⁺	4.0±0.1^*	7.9±0.3^*
+25 µM Gd³⁺	1.3±0.1^*	3.9±0.1^*
+50 µM Gd³⁺	0.8±0.1^*	1.9±0.2^*
4.5 mM calcium	6.1±0.2	6.4±0.1
+1 µM Gd³⁺	6.0±0.1	6.0±0.3
+5 µM Gd³⁺	5.4±0.4^*	5.9±0.2
+10 µM Gd³⁺	4.8±0.1^*	5.9±0.1
+25 µM Gd³⁺	2.0±0.2^*	4.0±0.2^*
+50 µM Gd³⁺	1.7±0.1^*	2.6±0.4^*

Values shown are means and standard deviations based on a single experiment with three samples per data point for each condition. Statistical significance of the data was assessed by ANOVA, followed by paired-group comparisons. The experiment was repeated three times with similar results

p<0.05 (statistically significant decrease relative to controls)