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These applications remain experimental, with most evidence derived from preclinical animal studies

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While direct evidence for NGFs efficacy in tinnitus patients remains to be established, its established role in neuronal survival, synaptic plasticity, and emotional regulation, combined with emerging bioinformatic evidence of its involvement in tinnitus-related synaptic processes, provides a compelling rationale for further investigating the hypothesis that targeting the NGF/TrkA pathway could simultaneously ameliorate auditory perceptive distortions and the debilitating emotional symptoms that often accompany chronic tinnitus (Gross et al., 2023

What biological pathways is GHKCu involved in

It also helps in removing older and pigmented cells and promotes the turnover of newer lighter and more radiant cells on the skin layers