LL-37 is the most prominent member of this family in humans
Research has shown that vitamin D deficiency or insufficiency contributes to the seasonal nature of cold and flu outbreaks less sunlight means less vitamin D production in the skin, which is linked to lower immunity and the possibility of more illness
When complexed with copper, it forms GHK-Cu, which is the biologically active form
Ernhrungs Umschau 67(2): 42-50.e1-e2 Schek A et al
Reactions were performed in 50 mM sodium phosphate buffer pH 7.0 containing 0.1% Triton-X-100, 0.40 mM EDTA, 0.20 mM NADPH, 0.25 U glutathione reductase from Bakers yeast, 1 mM L-glutathione, and 100 M t -butyl hydroperoxide (all Sigma-Aldrich) in a total volume of 200 l
Broader gene expression and signaling effects have been summarized in experimental models