The study concluded that in newborn rats, the activation of the c-Fos gene worked to increase body weight, while at more advanced ages the treatment led to a decrease in body weight and an increase in uncoupling protein 1
When severed nerves in animal models were placed in collagen tubes impregnated with GHK, researchers observed significantly increased nerve outgrowth, elevated production of nerve growth factor (NGF) and neurotrophins NT-3 and NT-4, accelerated regeneration of nerve fibers, and increased axon count and Schwann cell proliferation compared to controls
References Schoenenberger GA, Monnier M (1977) Characterization of a delta-electroencephalogram (-sleep)-inducing peptide
5,21-23 HDLs are small, dense lipoprotein particles assembled in the liver
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10.1007/s10545-005-4417-8