Persulfide biosynthesis conserved evolutionarily in all organisms

S Ogata, T Matsunaga, M Jung, U Barayeu… - Antioxidants & Redox …, 2023 - liebertpub.com
Significance: Persulfides/polysulfides are sulfur-catenated molecular species (ie, R-Sn-R′,
n> 2; R-Sn-H, n> 1, with R= cysteine, glutathione, and proteins), such as cysteine persulfide …

Supersulfide biology and translational medicine for disease control

U Barayeu, T Sawa, M Nishida, FY Wei… - British Journal of …, 2023 - Wiley Online Library
For decades, the major focus of redox biology has been oxygen, the most abundant element
on Earth. Molecular oxygen functions as the final electron acceptor in the mitochondrial …

[HTML][HTML] How super is supersulfide?: Reconsidering persulfide reactivity in cellular biology

CH Switzer - Redox Biology, 2023 - Elsevier
In an attempt to understand the cellular mechanisms of H 2 S signalling, recent research has
focused on supersulfide (ie, alkyl and inorganic hydropersulfide) formation and subsequent …

NRF2 signalling in cytoprotection and metabolism

S Murakami, Y Kusano, K Okazaki… - British Journal of …, 2023 - Wiley Online Library
The KEAP1‐NRF2 system plays a central role in cytoprotection in defence mechanisms
against oxidative stress. The KEAP1‐NRF2 system has been regarded as a sulfur‐utilizing …

[HTML][HTML] Longevity control by supersulfide-mediated mitochondrial respiration and regulation of protein quality

A Nishimura, S Yoon, T Matsunaga, T Ida, M Jung… - Redox Biology, 2024 - Elsevier
Supersulfides, which are defined as sulfur species with catenated sulfur atoms, are
increasingly being investigated in biology. We recently identified pyridoxal phosphate (PLP) …

2H-Thiopyran-2-thione sulfine, a compound for converting H2S to HSOH/H2S2 and increasing intracellular sulfane sulfur levels

Q Cui, M Shieh, TW Pan, A Nishimura… - Nature …, 2024 - nature.com
Reactive sulfane sulfur species such as persulfides (RSSH) and H2S2 are important redox
regulators and closely linked to H2S signaling. However, the study of these species is still …

PNPO–PLP axis senses prolonged hypoxia in macrophages by regulating lysosomal activity

H Sekine, H Takeda, N Takeda, A Kishino… - Nature …, 2024 - nature.com
Oxygen is critical for all metazoan organisms on the earth and impacts various biological
processes in physiological and pathological conditions. While oxygen-sensing systems …

[HTML][HTML] In pursuit of feedback activation: New insights into redox-responsive hydropersulfide prodrug combating oxidative stress

BX Xu, TY Hu, JB Du, T Xie, YW Xu, X Jin, ST Xu… - Redox Biology, 2024 - Elsevier
Redox-responsive hydropersulfide prodrugs are designed to enable a more controllable
and efficient hydropersulfide (RSSH) supply and to thoroughly explore their biological and …

Regulation of innate immune and inflammatory responses by supersulfides

H Tsutsuki, T Zhang, T Akaike… - International …, 2024 - academic.oup.com
Innate immunity plays an important role in host defense against microbial infections. It also
participates in activation of acquired immunity through cytokine production and antigen …

Aminoacyl-tRNA synthetase interactions in SARS-CoV-2 infection

D Khan, PL Fox - Biochemical Society Transactions, 2023 - portlandpress.com
Aminoacyl-tRNA synthetases (aaRSs) are ancient enzymes that serve a foundational role in
the efficient and accurate translation of genetic information from messenger RNA to proteins …