Mechanistic work probing how loss of copper coordination, through chelating agents or competing metals, affects GHK-Cu activity in cell-based models compared with the intact complex
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Once the cysteine moieties become oxidized, they combine to form cystine
Returning to the definition of half-life as the time required for the blood level to drop by half, if the steady state blood level of a drug with linear pharmacokinetics is considered to be 100%, then, if the drug is suddenly withdrawn, its level will drop to 50% after the first half-life, to 25% after the second half-life, to 12.5% after the third half-life, to 6.25% after the fourth half-life, and to 3.125% after the fifth half-life (Figure 1)
