That area is still developing, and findings vary across medications, populations, and study designs, so it is best treated as an emerging part of the picture rather than a settled explanation
This evidence gap means some caution remains appropriate despite the favorable safety signals available
While many drugs in this class were initially approved to treat type 2 diabetes, they have also been approved for weight loss
For peripheral nerve analysis, a 5-mm-long piece of tail 15 mm distal from the tail base was collected from each sacrificed animal, fixed in 4% formaldehyde in phosphate buffer (pH 7.4), decalcinated, and impregnated with 1% osmium tetroxide for a few days
(3) Thus, GHK-Cu is posited to act as a repair signal, capable of interacting with enzymes, ion channels, and cell-surface receptors, with reported downstream potential on gene expression