To date, all these peptides have followed similar trajectories: promising animal data with no evidence of efficacy in humans, despite extensive advertising and widespread availability of these compounds to athletes, Ellis and colleagues wrote in their AOSSM article
509 Compared with conventional dosage forms, nanocarriers and nanodrugsdue to their small particle size, high specific surface area, and excellent solubilitycan penetrate the expanded vascular interstitial space at inflamed sites, overcome the bloodpancreas barrier and cellular membrane barriers, and achieve targeted delivery to pancreatic tissue
Concentrations decrease when oral contraceptive agents are used, and during the third trimester of pregnancy, as tissue retention of the vitamin is increased in response to increased need
We also tested a non-CRC model, the osteosarcoma U2OS cell line, which is wild-type for APC, KRAS and p53, and confirmed a similar 5FU-driven change in mitochondrial mass and morphology (Extended Data Fig