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Source: The potential of GHK as an anti-aging peptide (2020) Claim 2: Intranasal administration bypasses the blood-brain barrier (BBB) to enhance central nervous system (CNS) delivery
(2014, February 1)
These did not show therapeutic benefit, some reasons postulated for this include crosstalk between the IGF-1R and other growth factor pathways such as the IR (Robertson et al., 2013
This can result from a variety of factors, including: Sun exposure UV rays stimulate melanin production
Furthermore, H 2 can activate the MAPK/HO-1 pathway to inhibit neuronal apoptosis and alleviate ischemic brain injury in neonatal mice (Wang et al., 2020) or protect type II alveolar epithelial cells from hyperoxia-induced apoptosis by activating the PI3K/Akt signaling pathway (Wu D
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