The cells were cultured in DMEM supplemented with 10% FBS and antibiotics (100 g ml-1 streptomycin and 100 units ml-1 penicillin, Gibco)
Especially where skin collagen and elastin profiles are known to follow 17-estradiol levels during aging and at/after menopause
Skin Firmness and Elasticity By upregulating both collagen and elastin genes simultaneously, GHK-Cu addresses both structural support and skin rebound the two components of what we perceive as "firm" skin
In practical terms, the difference is small enough that standard dosing protocols do not adjust for it
Liu J, Hinkhouse MM, Sun W, Weydert CJ, Ritchie JM, Oberley LW, Cullen JJ
2 Experimental 2 \) deduced from Eq