Literature DB >> 3677411

Hemoglobin J-Baltimore (beta 16(A13)Gly----Asp): interference with the assay of HbA1c.

F Vandenesch1, F Baklouti, A Francina, C Vianey-Liaud, A Bertrand, C Le Dévéhat, J Delaunay.   

Abstract

Three independent cases of Hemoglobin J-Baltimore(beta 16(A13)Gly----Asp) were detected through the assay of HbA1c in diabetic patients. Using chromatography on Bio-Rex 70 resin, one large peak replaced the usually well resolved peaks of HbA1a + b and HbA1c. The species that overlapped the latter fractions was identified as HbJ1c. HbJ-Baltimore itself was identified using HPLC of the beta-chain tryptic peptides. This observation emphasizes the errors that hemoglobin variants may introduce in the assay of HbA1c.

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Year:  1987        PMID: 3677411     DOI: 10.1016/0009-8981(87)90280-4

Source DB:  PubMed          Journal:  Clin Chim Acta        ISSN: 0009-8981            Impact factor:   3.786


  1 in total

1.  Top-down proteomics and direct surface sampling of neonatal dried blood spots: diagnosis of unknown hemoglobin variants.

Authors:  Rebecca L Edwards; Paul Griffiths; Josephine Bunch; Helen J Cooper
Journal:  J Am Soc Mass Spectrom       Date:  2012-09-20       Impact factor: 3.109

  1 in total

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