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The 74As content of the brain of rabbits was doubled following administration of BAL (2,3-dimercapto-1-propanol). DMPS (2,3-dimercapto-1-propanesulfonic acid, sodium salt), however, decreased the rabbit brain arsenic concentration. The use of BAL as the drug of choice for treatment of arsenic intoxication should be viewed with caution and re-examined.
meso-Dimercaptosuccinic acid (DMSA), 2,3-dimercapto-1-propanesulfonic acid, Na salt (DMPS), and N-(2,3- dimercaptopropyl )- phthalamidic acid (DMPA) are water soluble analogs of 2,3-dimercapto-1-propanol (BAL). The relative effectiveness or therapeutic index of these dimercapto compounds in protecting mice from the lethal effects of an LD99 of sodium… (More)
The ip LD50s of N-(2,3-dimercaptopropyl)phthalamidic acid (DMPA) and British Anti-Lewisite (BAL) were 0.819 and 1.48 mmol/kg, respectively, in male albino mice. The ip ED50 of DMPA and BAL for prevention of the lethal effects of 0.15 mmol NaAsO2/kg was 0.022 and 0.169 mmol/kg, respectively. DMPA increased the LD50 of sodium arsenite by approximately… (More)
ii DEDICATION To my teachers in life, my parents Carl and Jackie Hoover iii ACKNOWLEDGMENTS I would like to start by thanking my committee members for their support and guidance throughout this research study. I am deeply grateful for Dr. Janice Hinson, my advisor, for encouraging me to pursue my doctorate and guiding me along the way. A special thanks goes… (More)
Dimercaptosuccinic acid (DMSA) has been receiving increasing interest as an antidote for poisoning by heavy metals. Of the various isomeric forms, meso-DMSA has been studied most extensively because its preparation and purification are relatively easy. Using a variety of in vitro and in vivo procedures, we have investigated and compared DL- and meso-DMSA as… (More)