Tumor glucose uptake and lactate release (Warburg effect), arterial and venous oxygen (O₂) and carbon dioxide (CO₂), tension O₂ uptake and CO₂ production measured across MCF-7(SR−) human breast cancer xenografts perfused for 60 minutes with rodent donor w

Donor blood contained either melatonin, 13-HODE, or melatonin plus 13-HODE. Values are means ± SD (n = 4/group). *p<0.01 vs. Control and Melatonin +13-HODE. **p<0.01 vs. arterial value. †Values expressed as % supply.