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study (1998) compared four topical treatments on human skin over one month, with immunohistological analysis of skin biopsies (actual tissue samples examined under a microscope)

Endocrine (2016) 52:6529

Misunderstanding how the GHK-Cu half life behaves in each context is a recipe for inconclusive data

Experimental autoimmune encephalomyelitis (EAE) The most popular rodent model of MS employing exogenously-administered myelin antigens together with immune stimulation that replicates some aspects of autoimmune inflammation found in the human disease

Science 287: 491495, 2000
Removing IKK2 from non-microglial CNS cells also prevents the loss of oligodendrocytes at weeks 3 and 5 compared to wild-type animals treated with cuprizone, suggesting that NF-B pathway-derived cytokines aggravate demyelination in the cuprizone model [181]