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- W3146502110 abstract "Abstract Carbon monoxide (CO) is a gaseous molecule known as the silent killer. It is widely believed that an increase in blood carboxyhemoglobin (CO-Hb) is the best biomarker to define CO intoxication, neglecting the important fact that CO accumulation in tissues is the most likely direct cause of mortality. There is no reliable method other than gas chromatography to accurately determine CO content in tissues. Here we report the properties and usage of hemoCD1, a synthetic supramolecular compound composed of an iron(II)porphyrin and a cyclodextrin dimer, as an accessible reagent for a simple colorimetric assay to quantify CO in biological samples. The assay was validated in various organ tissues collected from rats under normal conditions and after exposure to CO by inhalation. The kinetic profile of CO in blood and tissues after CO treatment suggested that CO accumulation in tissues is prevented by circulating Hb, revealing a protective role of Hb in CO intoxication. Furthermore, hemoCD1 was used in vivo as a CO removal agent, showing that it acts as effective adjuvant to O 2 ventilation to eliminate residual CO accumulated in organs, including the brain. These findings open new therapeutic perspectives to counteract the toxicity associated with CO poisoning." @default.
- W3146502110 created "2021-04-13" @default.
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- W3146502110 date "2020-10-12" @default.
- W3146502110 modified "2023-10-01" @default.
- W3146502110 title "Highly sensitive quantification of carbon monoxide (CO)in vivoreveals a protective role of circulating hemoglobin in CO intoxication" @default.
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- W3146502110 doi "https://doi.org/10.1101/2020.10.12.336735" @default.
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