Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms New Biotinylated GHK and Related Copper(II) Complex: Antioxidant and Antiglycant Properties In Vitro against Neurodegenerative Disorders Peptides stimulate growth hormone and IGF 1 production, promoting angiogenesis and cellular proliferation. In patients with undetected cancers, these peptides can accelerate tumor growth. Conventional imaging misses early cancers. Circulating tumor Identification, characterization, and structure activity relationship of the ASIC3 selective peptide WRPRFa Communications Chemistry Histamine2 receptor antagonists: Rapid development of tachyphylaxis with repeat dosing