M V Gudkova, A E Oreshkin, N V Miasishcheva, R V Lenskaia, V B Kurdiukov
{"title":"[Transcobalamin II levels in blood plasma of children with acute leukemia].","authors":"M V Gudkova, A E Oreshkin, N V Miasishcheva, R V Lenskaia, V B Kurdiukov","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Transcobalamin II (TcII) level was studied in plasma of 40 children with acute leukemia. TcII is a cobalamin-binding protein which mediated the cellular uptake of Cbl and interacted with surface membrane receptor of hemopoietic cells. Plasma TcII and cobalofilins were analysed by PAGE using 57Co-cyanocobalamin. In addition, the mature human placenta with high specificity and affinity to TcII receptors was applied for TcII plasma identification. As compared to control, significant difference of TcII activity in the plasma of children with ALL was noted. There were children with low and high TcII concentration vs. control (484 +/- 42 and 1166 +/- 62, p > 0.001). Therefore, it is necessary to assay individually all the biochemical parameters of Cbl-transport system of children with ALL for adequate metabolic correction.</p>","PeriodicalId":50427,"journal":{"name":"Gematologiya I Transfuziologiya","volume":"41 2","pages":"10-3"},"PeriodicalIF":0.2000,"publicationDate":"1996-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Gematologiya I Transfuziologiya","FirstCategoryId":"3","ListUrlMain":"","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"HEMATOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Transcobalamin II (TcII) level was studied in plasma of 40 children with acute leukemia. TcII is a cobalamin-binding protein which mediated the cellular uptake of Cbl and interacted with surface membrane receptor of hemopoietic cells. Plasma TcII and cobalofilins were analysed by PAGE using 57Co-cyanocobalamin. In addition, the mature human placenta with high specificity and affinity to TcII receptors was applied for TcII plasma identification. As compared to control, significant difference of TcII activity in the plasma of children with ALL was noted. There were children with low and high TcII concentration vs. control (484 +/- 42 and 1166 +/- 62, p > 0.001). Therefore, it is necessary to assay individually all the biochemical parameters of Cbl-transport system of children with ALL for adequate metabolic correction.
期刊介绍：
The journal publishes original theoretical and clinical studies, lectures, reviews, and practical notes concerning various problems of hematology and clinical and industrial transfusion. The journal provides information on the etiology, pathogenesis, diagnosis and treatment of blood disorders as well as on related non-hematological conditions (internal diseases, poisoning, exposure to ionizing radiation etc.).
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