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International Journal of Nanomedicine
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Single amino acid substitution in important hemoglobinopathies does not disturb molecular function and biological process
Original Research
(4972) Total Article Views
Authors: Viroj Wiwanitkit
Published Date June 2008 Volume 2008:3(2) Pages 225 - 227
DOI: http://dx.doi.org/10.2147/IJN.S824
Viroj Wiwanitkit
Department of Laboratory Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
Abstract: Hemoglobin is an important protein found in the red cells of many animals. In humans, the hemoglobin is mainly distributed in the red blood cell. Single amino acid substitution is the main pathogenesis of most hemoglobin disorders. Here, the author used a new gene ontology technology to predict the molecular function and biological process of four important hemoglobin disorders with single substitution. The four studied important abnormal hemoglobins (Hb) with single substitution included Hb S, Hb E, Hb C, and Hb J-Baltimore. Using the GoFigure server, the molecular function and biological process in normal and abnormal hemoglobins was predicted. Compared with normal hemoglobin, all studied abnormal hemoglobins had the same function and biological process. This indicated that the overall function of oxygen transportation is not disturbed in the studied hemoglobin disorders. Clinical findings of oxygen depletion in abnormal hemoglobin should therefore be due to the other processes rather than genomics, proteomics, and expression levels.
Keywords: hemoglobin, amino acid, substitution, function
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