Three included studies in our review investigated age-specific alterations in GSH levels in autopsy brain tissue from healthy, cognitively unimpaired adults, using HPLC (Tong et al., 2016) or colorimetry (Harish et al., 2012, Venkateshappa et al., 2012)
Shakir Ahamads assistance with Fig
As the body ages, the volume of glutathione decreases dramatically, allowing for exacerbated exposure to cellular oxidation and free radicals which cause visual skin aging
Atg9 vesicles are produced by the endoplasmic reticulum and the Golgi apparatus, and their production is regulated by AMPK, whose activity, as we know, is enhanced by UroA and spermidine (Reference Holzer, Martens and Tulli32)