期刊
ANTIOXIDANTS
卷 11, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/antiox11112153
关键词
allodynia; anxiety; apoptosis; depression; hyperalgesia; inflammatory pain; molecular hydrogen; oxidative stress
资金
- Ministerio de Ciencia, Innovacion y Universidades, Instituto de Salud Carlos III
- Fondo Europeo de Desarrollo Regional (FEDER), Union Europea [PI18/00645, PI21/00592]
- CERCA Programme/Generalitat de Catalunya
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico-Brazil (CNPq) [309215/2019-6]
The study demonstrates the potential therapeutic application of molecular hydrogen-rich water (HRW) in chronic inflammatory pain and associated comorbidities, showing its analgesic, antidepressant, and anxiolytic actions, as well as its protective, anti-inflammatory, and antioxidant qualities.
Chronic inflammatory pain is manifested in many diseases. The potential use of molecular hydrogen (H-2) as a new therapy for neurological disorders has been demonstrated. Recent studies prove its analgesic properties in animals with neuropathic pain, but the possible antinociceptive, antidepressant, and/or anxiolytic actions of H-2 during persistent inflammatory pain have not been investigated. Therefore, using male mice with chronic inflammatory pain incited by the subplantar injection of complete Freud's adjuvant (CFA), we assessed the actions of hydrogen-rich water (HRW) systemically administered on: (1) the nociceptive responses and affective disorders associated and (2) the oxidative (4-hydroxy-2-nonenal; 4-HNE), inflammatory (phosphorylated-NF-kB inhibitor alpha; p-IKB alpha), and apoptotic (Bcl-2-like protein 4; BAX) changes provoked by CFA in the paws and amygdala. The role of the antioxidant system in the analgesia induced by HRW systemically and locally administered was also determined. Our results revealed that the intraperitoneal administration of HRW, besides reducing inflammatory pain, also inhibited the depressive- and anxiolytic-like behaviors associated and the over expression of 4-HNE, p-IKB alpha, and BAX in paws and amygdala. The contribution of the nuclear factor erythroid 2-related factor 2/heme oxygenase 1 and NAD(P)H: quinone oxidoreductase 1 pathway in the analgesic activities of HRW, systemically or locally administered, was also shown. These data revealed the analgesic, antidepressant, and anxiolytic actions of HRW. The protective, anti-inflammatory, and antioxidant qualities of this treatment during inflammatory pain were also demonstrated. Therefore, this study proposes the usage of HRW as a potential therapy for chronic inflammatory pain and linked comorbidities.
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