Regulation of circulating Mg2+ in the rat by metabolic inhibition
1999
Kim, J.S. | Kim, S.J. | Kim, J.S. (Chonbuk National University, Chonju (Korea Republic). College of Veterinary Medicine)
Magnesium (Mg2+) plays an important role in the regulation of a range of intracellular processes. Regulation of extracellular Mg2+ contents was studied in the anesthetized Sprague-Dwley (SD) rats. Animals were injected intraperitoneally with sodium nitrite (NaNO2), and circulating Mg2+([Mg2+]c) was observed in animals injected with NaNO2 at a dose of 10mg/kg or higher. Pretreatment with methylene blue preventd the NaNO2-induced increse in [Mg2+]c.[Mg2+]c displayed an inverse linear correlation with hemoglobin and exponential correlation during NaNO2 injection. Injection of KCN or rotenone also induced an increase in [Mg2+]c. An increase in [Mg2+]c was observed when respiration rate was reduced from 100/min (140ml/min) to 10/min (14ml/min) during 30 min. These results indicate that changes in [Mg2_]c inversely reflect alteration of ATP in a model of metabolic inhibition
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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