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Table 2 Intensity of immunoreaction against CB1, CB2, apelin and S100A6 in women heart (mean ± SE). (Scale from 0 (white pixel) to 256 (black pixel))

From: Comparative evaluation of cannabinoid receptors, apelin and S100A6 protein in the heart of women of different age groups

Intensity of immunohistochemical reaction in women heart women under 50 years old women over 50 years old  
CB1
 cardiomyocyte cytoplasm 146.7 ± 2.99 108.2 ± 2.45* ↓*
 intercalated discs ND 180.7 ± 4.63* ↑*
 endothelium of coronary vessels 61.6 ± 2.16 45.7 ± 2.43* ↓*
CB2
 cardiomyocyte cytoplasm 110.7 ± 2.57 91.1 ± 3.57* ↓*
 endothelium of coronary vessels 49.9 ± 2.15 48.1 ± 1.98  
apelin
 cardiomyocyte cytoplasm 73.6 ± 2.26 95.0 ± 2.72* ↑*
 endothelium of coronary vessels 135.9 ± 3.65 73.9 ± 2.43* ↓*
S100A6
 cardiomyocyte cytoplasm 81.0 ± 1.85 125.9 ± 3.30* ↑*
 endothelium of coronary vessels 97.4 ± 3.84 79.1 ± 2.48* ↓*
  1. *p < 0.05 women over 50 vs women under 50
  2. ↓ weakening of immunohistochemical reaction
  3. ↑ intensification of immunohistochemical reaction
  4. ND not detected