Andrew E. Gal

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Lipid and lysosomal enzyme levels in the tissues of a strain of mice afflicted with an autosomal rescessive neuroviscereal storage disorder were examined. Sphingomyelinase and glucocerebrosidase activities were consistently diminished in a wide variety of tissues obtained from the affected mice. The activities of these enzymes were clearly attenuated in(More)
Niemann-Pick disease is caused by a deficiency of sphingomyelinase in organs and tissues. Determinations of sphingomyelinase activity had required the use of sphingomyelin labeled with radiocarbon or radiohydrogen. These materials are expensive, and their use is restricted to laboratories with radioactive counting facilities. An analogue of sphingomyelin,(More)
Krabbe's disease is caused by a deficiency of galactocerebrosidase in organs and tissues. Determinations of galactocerebrosidase activity had required the use of galactocerebroside labeled with radiocarbon or radiohydrogen. These materials are expensive and their use is restricted to laboratories with radioactive counting facilities. An analogue of(More)
A strain of BALB/c mice with an autosomal recessive neurologic disorder has been reported previously [1, 2]. The tissues of affected animals have been further examined and the activities of varius lysosomal hydrolases and levels of sphingolipids were compared to those in control mice. There was a substantial diminution of sphingomyelinase and(More)
The time course of the clearance from the blood and the tissue localization of [14C]L-glucosylceramide, a nonmetabolizable enantiomorph of D-glucosylceramide that accumulates in Gaucher's disease, has been determined. 14C-labeled L-glucosylceramide injected intravenously in the form of micelles or liposomes is rapidly removed from the circulation. Most of(More)
PURPOSE To review the medical literature on mucinous sweat gland adenocarcinoma of the eyelid (MSA) and present two new cases. METHODS Details of published case reports and small series (between 1971-2010) were evaluated and summarized including two patients diagnosed and treated at our institution. Data regarding age, gender, ethnicity, precise location,(More)