The Interaction between Carbon Monoxide and Hydrogen Sulfide during Chronic Joint Pain in Young Female Mice
Batallé Melgarejo, Gerard (Institut d'Investigació Biomèdica Sant Pau)
Bai, Xue (Universitat Autònoma de Barcelona. Institut de Neurociències)
Pol, Olga (Universitat Autònoma de Barcelona. Institut de Neurociències)

Fecha:	2022
Resumen:	A relationship between carbon monoxide (CO) and hydrogen sulfide (H2S) has been described in different pathological conditions, but their interaction in modulating joint pain has not yet been investigated. In young female mice with monosodium acetate-induced joint degeneration and pain, we assessed: (1) the effects of CORM-2 (tricarbonyldichlororuthenium(II)dimer), a CO-releasing molecule, and CoPP (cobalt protoporphyrin IX), an inducer of heme oxygenase 1 (HO-1), administered alone and combined with low doses of two slow-releasing H2S donors, DADS (diallyl disulfide) and GYY4137 (morpholin-4-ium 4-methoxyphenyl(morpholino) phosphinodithioate dichloromethane complex) on the mechanical allodynia and loss of grip strength provoked by joint degeneration; (2) the role of Nrf2, NAD(P)H: quinone oxidoreductase 1 (NQO1) and HO-1 in the antinociceptive actions of H2S donors; (3) the impact of DADS and GYY4137 treatment on the expression of Nrf2 and several antioxidant proteins in dorsal root ganglia (DRG) and periaqueductal gray matter (PAG). Our data showed that treatment with H2S donors inhibited allodynia and functional deficits, while CORM-2 and CoPP only prevented allodynia. The Nrf2 pathway is implicated in the analgesic actions of DADS and GYY4137 during joint degeneration. Moreover, the co-administration of low doses of CORM-2 or CoPP with DADS or GYY4137 produced higher antiallodynic effects and greater recovery of grip strength deficits than those produced by each of these compounds alone. The activation of the antioxidant system caused by H2S donors in DRG and/or PAG might explain the enhancement of antinociceptive effects. These data reveal a positive interaction between H2S and CO in modulating joint pain in female mice.
Ayudas:	Instituto de Salud Carlos III PI18/00645 Instituto de Salud Carlos III PI21/00592
Derechos:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Lengua:	Anglès
Documento:	Article ; Versió publicada
Materia:	Analgesia ; Allodynia ; Carbon monoxide ; Grip strength ; Hydrogen sulfide ; Joint pain ; Oxidative stress
Publicado en:	Antioxidants, Vol. 11 Núm. 7 (2022) , p. 1271, ISSN 2076-3921

DOI: 10.3390/antiox11071271
PMID: 35883761

14 p, 2.3 MB

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