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Arsenic alters ATP-dependent Ca+ signaling in human airway epithelial cell wound response

Two structural modifications (C18 fatty acid chain enabling albumin binding, and a substitution at position 8 conferring DPP-4 resistance) extend its half-life to approximately 1 week, enabling once-weekly subcutaneous dosing

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Clinical dermatologic evaluation of copper peptide effects: Fibroblast and collagen IV findings in dermatology research: Molecular review of extracellular matrix and collagen support: These studies connect GHK-Cu to structural protein support and dermal density