BPC 157: Experimental Peptide Creates Risk for Athletes Proton Tunneling Allows a Proton Coupled Electron Transfer Process in the Cancer Cell JACS Au BPC 157 aids cartilage health, but can fuel cancer growth by promoting vascularization. Tumor cells become greedy, metastasizing uncontrollably. Peptides might be mainstream in 5 years. #BPC157 Applications of 3D Bioprinting Technology to Brain Cells and Brain Tumor Models: Special Emphasis to Glioblastoma ACS Biomaterials Science & Engineering