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Prolyl-4-hydroxylase (PHD), which regulates the degradation of HIF, is highly Fe 2+ -dependent, causing HIF became iron metabolism pathologies treatment target

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Because copper is a required cofactor for numerous enzymes involved in cellular metabolism and antioxidant activity, researchers studying GHK-Cus copper-binding properties often position it as a tool for understanding copper-dependent signaling pathways generally, not just those specific to skin or tissue repair

TB-500, a synthetic analogue of Thymosin Beta-4, interacts with G-actin through the conserved LKKTET motif, influencing actin-binding dynamics, cytoskeletal organization, and actin-associated signaling systems