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ProteomicsPathology-driven epithelial sulfide loss reprograms the redox proteome and triggers Barrett’s esophagus
Background & AimsBarrett’s esophagus (BE), a metaplastic transformation driven by gastroesophageal reflux disease (GERD), induces oxidative stress but the underlying redox mechanisms remain poorly understood. Protein persulfidation (PSSH), a redox-sensitive, reversible, and antioxidative post-transl...
ORGANISM(S): Homo sapiens (Human) 
2026-06-02 | PXD047338 | Pride
Persulfidation  hydrogen sulfide  barrett’s esophagus  gastroesophageal reflux disease (gerd)  prostaglandin e2/interleukin 1/mtor cross-talk 
ProteomicsNeurobehavioral dysfunction in a mouse model of Down syndrome: upregulation of cystathionine β-synthase, H2S overproduction, altered protein persulfidation, synaptic dysfunction, endoplasmic reticulum stress, and autophagy
Down syndrome (DS) is a genetic condition where the person is born with an extra chromosome 21. DS is associated with accelerated aging; people with DS are prone to age-related neurological conditions including an early-onset Alzheimer’s disease. Using the Dp(17)3Yey/ + mice, which overexpresses a p...
ORGANISM(S): Mus musculus (Mouse) 
2024-11-30 | PXD048079 | Pride
Hydrogen sulfide  bioenergetics  gasotransmitters  proliferation  mitochondria 
ProteomicsErgothioneine improves healthspan of aged animals by enhancing cGPDH activity through CSE-dependent persulfidation
Ergothioneine (ET), a dietary thione/thiol, is receiving growing attention for its possible benefits in healthy aging and metabolic resilience. Our study investigates ET's effects on healthspan in aged animals, revealing extension of lifespan and enhanced mobility in Caenorhabditis elegans, accompan...
ORGANISM(S): Caenorhabditis elegans 
2025-01-21 | PXD051587 | Pride
Ergothioneine Healthspan Persulfidation Hydrogen sulfide Nad 
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