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September 25, 2022Redox Biology34 citationsOpen Access

The antioxidant and oxidant properties of hydropersulfides (RSSH) and polysulfide species

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CSChristopher SwitzerJFJon M. Fukuto

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Abstract

S) may actually be due to its conversion to RSSH and derived polysulfur species (and vice-versa). The unique chemistry associated with the hydropersulfide functional group (-SSH) predicts that it possesses possible protective properties that can help a cell contend with oxidative and/or electrophilic stress. However, since RSSH and polysulfides possess chemical properties akin to disulfides (RSSR), they can also be sources of oxidative/electrophilic stress/signaling as well. Herein are discussed the unique chemistry, possible biochemistry and the physiological implications of RSSH (and polysulfides), especially as it pertains to their putative cellular protection properties against a variety of stresses and/or as possible stressors/signaling agents themselves.

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Switzer et al. (2022) studied this question.

synapsesocial.com/papers/6a02a06267f6ea5cc8754f7bhttps://doi.org/10.1016/j.redox.2022.102486
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