The acute antinociceptive effect of HBO₂ is mediated by a NO-cyclic GMP-PKG-KATP channel pathway in mice.
The acute antinociceptive effect of HBO₂ is mediated by a NO-cyclic GMP-PKG-KATP channel pathway in mice.
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DOI:
10.1016/j.brainres.2010.10.079
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发表时间:
2011-01-12
期刊:
影响因子:
2.9
通讯作者:
Quock RM
中科院分区:
文献类型:
--
作者:
Quock LP;Zhang Y;Chung E;Ohgami Y;Shirachi DY;Quock RM
Previous research has found that hyperbaric oxygen (HBO2) produces an acute antinociceptive effect that is dependent on nitric oxide (NO). The present study was undertaken to determine whether HBO2-induced acute antinociception might involve a NO–cyclic GMP–protein kinase G–ATP-sensitive potassium (KATP) channel pathway. Male NIH Swiss mice were subjected to a 5-min HBO2 treatment (100% oxygen at 3.5 absolute atmospheres) and antinociception was assessed over the next 6 min still under HBO2 using the acetic acid abdominal constriction test. Pretreatment with 2-(4-carboxyphenyl)-4,5-dihydro-4,4,5,5-tetramethyl-1H-imidazolyl-1-oxy-3-oxide (carboxy-PTIO, an NO scavenger), 1H-[1,2,4]-oxadiazolo-[4,3-a]quinoxalin-1-one) (a soluble guanylyl cyclase-inhibitor, Rp-8-(4-chlorophenylthio)-guanosine-3',5'-cyclic monophosphorothioate (a protein kinase G-inhibitor) or glibenclamide (an ATP-sensitive potassium channel-inhibitor) all led to antagonism of the HBO2-induced acute antinociception in a dose-dependent manner. These findings suggest that HBO2-induced acute antinociception might be due to activation of a NO–cyclic GMP–protein kinase G–KATP channel pathway.
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影响因子:
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作者:
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通讯作者:
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影响因子:
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作者:
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DOI:
10.1016/j.jpain.2009.12.004
发表时间:
2010-09
期刊:
The journal of pain
影响因子:
--
作者:
Chung E;Zelinski LM;Ohgami Y;Shirachi DY;Quock RM
通讯作者:
Quock RM