Abstract
The effects of interleukin-1 alpha (IL-1α) on chromium-51 absorption, tissue retention, and urinary excretion were studied in adult male Sprague-Dawley rats. Ten rats were deprived of food for 12 h, injected intraperitoneally with mouse recombinant IL-1α (1 Μg/kg of body weight in phosphate-buffered saline [PBS]) or control (0.1% bovine serum albumin [BSA] in PBS). Two hours after dosing with the IL-1α, rats were fed 50 ΜL (200 ΜCi, 0.36 Μg Cr) of51CrCl3 by micropipet. Blood was collected from the tail at 0.25, 0.5, 1, 2, and 4 h. Six hours after dosing with51CrCl3, rats were exsanguinated and blood and tissues were sampled. The IL-lα significantly decreased chromium-51 in blood, urine, and some tissues compared to the control. The decreased absorption, retention, and urinary excretion of chromium-51 from51CrCl3 in this study may be due to IL-1α-mediated increases in the production of prostaglandins and/or decreased production of gastric acid.
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Davis-Whitenack, M.L., Adeleye, B. & Stoecker, B.J. Interleukin-1α-induced changes in chromium-51 absorption, tissue retention, and urinary excretion in rats. Biol Trace Elem Res 68, 175–180 (1999). https://doi.org/10.1007/BF02784405
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DOI: https://doi.org/10.1007/BF02784405