{"title":"Erythrocyte membrane 2', 3'-cyclic nucleotide 3'-phosphodiesterase activity in multiple sclerosis.","authors":"R L Jones, E K Wong, K H Ibsen, I H Leopold","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>The specific activities of 2',3'-cyclic nucleotide 3'-phosphodiesterase (CNPase, EC3.1.4.37) in erythrocyte membranes from five patients with active multiple sclerosis (MS) and five normals were compared. The CNPase assay used 2',3'-cyclic NADP as the substrate in an enzyme coupled reaction to produce fluorometrically detectable NADPH. The specific activity of CNPase in the MS and normal groups were 19.2 +/- 2.3 and 28.7 +/- 1.8 mumol/h/mg protein, respectively. The difference was significant with p less than 0.006, based on a one-tailed t-test.</p>","PeriodicalId":79237,"journal":{"name":"Metabolic, pediatric, and systemic ophthalmology","volume":"7 1","pages":"25-30"},"PeriodicalIF":0.0000,"publicationDate":"1983-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Metabolic, pediatric, and systemic ophthalmology","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The specific activities of 2',3'-cyclic nucleotide 3'-phosphodiesterase (CNPase, EC3.1.4.37) in erythrocyte membranes from five patients with active multiple sclerosis (MS) and five normals were compared. The CNPase assay used 2',3'-cyclic NADP as the substrate in an enzyme coupled reaction to produce fluorometrically detectable NADPH. The specific activity of CNPase in the MS and normal groups were 19.2 +/- 2.3 and 28.7 +/- 1.8 mumol/h/mg protein, respectively. The difference was significant with p less than 0.006, based on a one-tailed t-test.
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