Table 3.
Correlation of respiratory chain enzyme activity with tumor tissue catecholamine content
| Catecholamines | CI (mU/mg protein) | CII (mU/mg protein) | CIII (mU/mg protein) | CIV (mU/mg protein) | ATP/ADP/AMP (mmol/mg tissue) | ||
|---|---|---|---|---|---|---|---|
| Spearman’s rho | E (nmol/mg tissue) | Correlation Coefficient | 0.226 | 0.423 | 0.182 | 0.006 | 0.366 |
| Sig. (2-tailed) | 0.046 | 0.0001 | 0.097 | 0.955 | 0.0001 | ||
| N | 78 | 78 | 78 | 78 | 82 | ||
| NE (nmol/mg tissue) | Correlation Coefficient | 0.160 | 0.479 | 0.078 | 0.066 | 0.390 | |
| Sig. (2-tailed) | 0.163 | 0.0001 | 0.495 | 0.569 | 0.0001 | ||
| N | 78 | 78 | 78 | 78 | 82 | ||
| Total catecholamines (nmol/mg tissue) | Correlation Coefficient | 0.208 | 0.517 | 0.148 | 0.033 | 0.458 | |
| Sig. (2-tailed) | 0.067 | 0.0001 | 0.196 | 0.774 | 0.0001 | ||
| N | 78 | 78 | 78 | 78 | 82 | ||
E: epinephrine, CI, II, III and IV: respiratory chain enzyme complexes I, II, III and IV. Highlighted in bold letters are comparisons which attained statistical significance.