The role of methemoglobin in acute butyl nitrite toxicity in mice. 1981

D P McFadden, and G P Carlson, and R P Maickel

When mice were exposed to butyl nitrites in an inhalation chamber, a significant level of methemoglobinemia is produced. The potency order for methemoglobin production of the four butyl nitrites (n-, iso-, sec-, tert-) is the same as that of their lethal concentrations (LC50 values) and parallels the ability of the agents to cause methemoglobin formation in mouse erythrocytes in vitro. Pretreatment with a single dose of methylene blue prevents the methemoglobin formation and protects against the lethality of the butyl nitrites.

UI MeSH Term Description Entries
D008297 Male Males
D008706 Methemoglobin Ferrihemoglobin
D008751 Methylene Blue A compound consisting of dark green crystals or crystalline powder, having a bronze-like luster. Solutions in water or alcohol have a deep blue color. Methylene blue is used as a bacteriologic stain and as an indicator. It inhibits GUANYLATE CYCLASE, and has been used to treat cyanide poisoning and to lower levels of METHEMOGLOBIN. Methylthionine Chloride,Swiss Blue,Basic Blue 9,Chromosmon,Methylene Blue N,Methylthioninium Chloride,Urolene Blue,Blue 9, Basic,Blue N, Methylene,Blue, Methylene,Blue, Swiss,Blue, Urolene
D009573 Nitrites Salts of nitrous acid or compounds containing the group NO2-. The inorganic nitrites of the type MNO2 (where M Nitrite
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D014665 Vasodilator Agents Drugs used to cause dilation of the blood vessels. Vasoactive Antagonists,Vasodilator,Vasodilator Agent,Vasodilator Drug,Vasorelaxant,Vasodilator Drugs,Vasodilators,Vasorelaxants,Agent, Vasodilator,Agents, Vasodilator,Antagonists, Vasoactive,Drug, Vasodilator,Drugs, Vasodilator
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus

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