ArticleNitric oxide : biology and chemistry2015
Inhaled, nebulized sodium nitrite protects in murine and porcine experimental models of hemorrhagic shock and resuscitation by limiting mitochondrial injury.
Article in Nitric oxide : biology and chemistry, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 8 citations in OpenAlex.
- Targeting mitochondrial quality control: new therapeutic strategies for major diseases.Military Medical Research · 2024Review
- Activation of AMP-activated protein kinase during sepsis/inflammation improves survival by preserving cellular metabolic fitness.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2020Article
- Nocturnal Hypoxia Improves Glucose Disposal, Decreases Mitochondrial Efficiency, and Increases Reactive Oxygen Species in the Muscle and Liver of C57BL/6J Mice Independent of Weight Change.Oxidative medicine and cellular longevity · 2018Article
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Authors and funding
15 authors at 3 institutions in 1 country.
Funding
Abstract
objectiveThe cellular injury that occurs in the setting of hemorrhagic shock and resuscitation (HS/R) affects all tissue types and can drive altered inflammatory responses. Resuscitative adjuncts hold the promise of decreasing such injury. Here we test the hypothesis that sodium nitrite (NaNO2), delivered as a nebulized solution via an inhalational route, protects against injury and inflammation from HS/R.
methodsMice underwent HS/R to a mean arterial pressure (MAP) of 20 or 25 mmHg. Mice were resuscitated with Lactated Ringers after 90-120 min of hypotension. Mice were randomized to receive nebulized NaNO2 via a flow through chamber (30 mg in 5 mL PBS). Pigs (30-35 kg) were anesthetized and bled to a MAP of 30-40 mmHg for 90 min, randomized to receive NaNO2 (11 mg in 2.5 mL PBS) nebulized into the ventilator circuit starting 60 min into the hypotensive period, followed by initial resuscitation with Hextend. Pigs had ongoing resuscitation and support for up to four hours. Hemodynamic data were collected continuously.
resultsNaNO2 limited organ injury and inflammation in murine hemorrhagic shock. A nitrate/nitrite depleted diet exacerbated organ injury, as well as mortality, and inhaled NaNO2 significantly reversed this effect. Furthermore, NaNO2 limited mitochondrial oxidant injury. In porcine HS/R, NaNO2 had no significant influence on shock induced hemodynamics. NaNO2 limited hypoxia/reoxia or HS/R-induced mitochondrial injury and promoted mitochondrial fusion.
conclusionNaNO2 may be a useful adjunct to shock resuscitation based on its limitation of mitochondrial injury.
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