Conversely, mutations in genes involved in methionine metabolism, dysregulated methionine metabolism, and abnormal hydrogen-sulfide and glutathione levels have all been implicated in neurodegenerative disease and in aging more generally (Paul, 2021
In addition, the amount of GSSG can be measured by first removing the reduced GSH with Masking Reagent (M2VP) and reducing only the oxidized GSSG to GSH, and the ratio of GSSG / GSSH can be measured.
Cellular iron homeostasis is intricately linked to the biogenesis of Fe-S clusters, underscoring the importance of proper iron management within these organelles

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