Table 3.
Variables† n=14 HTx | Baseline‡ | 15 min | 30 min | 1 hour | 2 hours | Time | Group | Time×group | |
General inflammation | |||||||||
CRP§ | MICT | 3.40±1.10 | 2.85±0.80 | 2.74±0.78 | 2.47±0.61 | 2.93±0.69 | 0.601 | 0.362 | 0.422 |
HIT | 4.10±0.96 | 3.9±0.94 | 3.58±0.88 | 3.46±0.83 | |||||
sTNFr1¶ | MICT | 3.08±0.25 | 3.17±0.16 | 3.39±0.20 | 3.09±0.21 | 2.91±0.17 | <0.001** | 0.616 | 0.112 |
HIT | 3.38±0.24 | 3.56±0.20 | 2.76±0.16 | 2.74±0.18 | |||||
Vascular inflammation | |||||||||
vWF†† | MICT | 191±31 | 117±17 | 131±20 | 138±23 | 173±28 | 0.175 | 0.044 | 0.075* |
HIT | 179±29 | 239±48 | 151±26 | 151±23 | |||||
VCAM | MICT | 511±36 | 527±36 | 486±29 | 458±29 | 468±26 | 0.069 | 0.672 | 0.422 |
HIT | 495±23 | 507±32 | 446±20 | 460±25 | |||||
Blood platelets | |||||||||
PDGF | MICT | 2.08±0.22 | 2.48±0.33 | 2.72±0.33 | 2.22±0.28 | 2.17±0.21 | 0.002** | 0.162 | 0.690 |
HIT | 2.78±0.40 | 3.00±0.43 | 2.33±0.24 | 2.33±0.30 | |||||
sCD40L | MICT | 1.07±0.15 | 1.29±0.18 | 1.26±0.18 | 1.04±0.15 | 1.06±0.17 | <0.001** | 0.047 | 0.237 |
HIT | 1.41±0.20 | 1.46±0.21 | 1.20±0.18 | 1.14±0.16 | |||||
DKK-1 | MICT | 2.85±0.62 | 3.15±0.84 | 3.49±0.87 | 3.00±0.69 | 2.80±0.71 | 0.023** | 0.995 | 0.130 |
HIT | 3.42±0.86 | 4.13±0.83 | 2.15±0.49 | 2.74±0.44 | |||||
Angiogenesis | |||||||||
VEGF-1¶ | MICT | 0.24±0.03 | 0.26±0.04 | 0.26±0.04 | 0.24±0.03 | 0.26±0.03 | 0.020** | 0.275 | 0.077* |
HIT | 0.29±0.04 | 0.29±0.04 | 0.24±0.03 | 0.24±0.03 | |||||
Ang-2¶ | MICT | 1.60±0.20 | 1.97±0.26 | 2.06±0.22 | 1.74±0.20 | 1.75±0.21 | <0.001** | 0.415 | 0.095* |
HIT | 1.97±0.26 | 2.06±0.22 | 1.75±0.20 | 1.64±0.21 | |||||
Tie-2 | MICT | 15.8±1.3 | 15.2±1.7 | 15.2±1.4 | 16.5±1.5 | 15.9±1.2 | 0.632 | 0.362 | 0.250 |
HIT | 16.2±1.6 | 16.3±1.6 | 16.3±1.5 | 15.4±1.7 | |||||
Endostatin | MICT | 165±11 | 166±12 | 169±12 | 163±9 | 159±11 | 0.206 | 0.167 | 0.594 |
HIT | 184±14 | 183±13 | 170±13 | 162±12 | |||||
Cardiokine/myokine | |||||||||
GDF-15 | MICT | 1.03±0.11 | 1.20±0.19 | 1.19±0.19 | 1.12±0.19 | 1.10±0.19 | 0.206 | 0.041 | 0.067* |
HIT | 1.10±0.11 | 1.15±0.11 | 0.96±0.11 | 0.93±0.08 | |||||
ST2 | MICT | 20.3±2.0 | 20.0±1.9 | 20.5±2.1 | 20.1±1.8 | 20.7±2.2 | 0.425 | 0.112 | 0.228 |
HIT | 22.4±2.2 | 22.7±2.2 | 21.2±2.0 | 21.3±2.4 | |||||
SPARC | MICT | 319±57 | 486±60 | 433±95 | 297±64 | 294±63 | 0.020** | 0.122 | 0.745 |
HIT | 391±79 | 491±84 | 336±60 | 328±56 |
*P value <0.10.
**Significant P values <0.05.
†All variables are measured in ng/mL serum if not otherwise stated.
‡Results from 1 week ahead of first exercise session.
§Measured as μg/mL.
¶Analysis of variance was performed with log-transformed variables.
††Measured as per cent of pool.
Ang-2, angiopoietin-2; CRP, C reactive protein; DKK-1, Dickkopf-related protein 1; GDF-15, growth differentiation factor-15; HIT, high-intensity interval training; HTx, heart transplant recipients; MICT, moderate-intensity continuous training; PDGF, platelet-derived growth factor; sCD40L, soluble CD40 ligand; SPARC, secreted protein acidic and rich in cysteine; ST2, interleukin 1 receptor-like 1; sTNF1, soluble tumour necrosis factor receptor 1; Tie-2, tyrosine kinase with immunoglobulin-like and EGF-like domains 2; VCAM, vascular cell adhesion molecule; VEGF-1, vascular endothelial growth factor-1; vWF, von Willebrand factor.