Perspective: A novel prognostic for sickle cell disease

Sickle hemoglobin (α2βS2) polymerization drives disease pathophysiology in sickle cell anemia. Fetal hemoglobin (α2γ2) restricts disease severity by inhibiting the polymerization of sickle hemoglobin in a concentration-dependent manner. Clinical decision-making relies on diagnostic technologies eval...

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Main Authors: Brian M Mozeleski, Abdullah Al-Rubaish, Amein Al-Ali, Jose Romero
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2018-01-01
Series:Saudi Journal of Medicine and Medical Sciences
Subjects:
Online Access:http://www.sjmms.net/article.asp?issn=1658-631X;year=2018;volume=6;issue=3;spage=133;epage=136;aulast=Mozeleski
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author Brian M Mozeleski
Abdullah Al-Rubaish
Amein Al-Ali
Jose Romero
author_facet Brian M Mozeleski
Abdullah Al-Rubaish
Amein Al-Ali
Jose Romero
author_sort Brian M Mozeleski
collection DOAJ
description Sickle hemoglobin (α2βS2) polymerization drives disease pathophysiology in sickle cell anemia. Fetal hemoglobin (α2γ2) restricts disease severity by inhibiting the polymerization of sickle hemoglobin in a concentration-dependent manner. Clinical decision-making relies on diagnostic technologies evaluating fetal hemoglobin as mean percent or mean quantity in blood. Limitation of this approach is exemplified by patients with significant high fetal hemoglobin levels and severe disease, suggesting that fetal hemoglobin is unevenly distributed across F-cells. Therefore, determination of fetal hemoglobin/F-cell would provide a new paradigm for ascertaining prognosis and response to fetal hemoglobin-inducing agents. Measurement of fetal hemoglobin/F-cell, ultimately adapted to widespread standardized analytical use, is a promising fetal hemoglobin-related prognostic approach to monitor the severity of sickle cell disease and the best “phenotype” to follow when developing new candidate fetal hemoglobin inducers or titrating hydroxyurea in treated sickle cell patients.
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spelling doaj.art-6da46521932448a1bbd33c6d6d4362b02022-12-21T18:52:17ZengWolters Kluwer Medknow PublicationsSaudi Journal of Medicine and Medical Sciences1658-631X2018-01-016313313610.4103/sjmms.sjmms_107_18Perspective: A novel prognostic for sickle cell diseaseBrian M MozeleskiAbdullah Al-RubaishAmein Al-AliJose RomeroSickle hemoglobin (α2βS2) polymerization drives disease pathophysiology in sickle cell anemia. Fetal hemoglobin (α2γ2) restricts disease severity by inhibiting the polymerization of sickle hemoglobin in a concentration-dependent manner. Clinical decision-making relies on diagnostic technologies evaluating fetal hemoglobin as mean percent or mean quantity in blood. Limitation of this approach is exemplified by patients with significant high fetal hemoglobin levels and severe disease, suggesting that fetal hemoglobin is unevenly distributed across F-cells. Therefore, determination of fetal hemoglobin/F-cell would provide a new paradigm for ascertaining prognosis and response to fetal hemoglobin-inducing agents. Measurement of fetal hemoglobin/F-cell, ultimately adapted to widespread standardized analytical use, is a promising fetal hemoglobin-related prognostic approach to monitor the severity of sickle cell disease and the best “phenotype” to follow when developing new candidate fetal hemoglobin inducers or titrating hydroxyurea in treated sickle cell patients.http://www.sjmms.net/article.asp?issn=1658-631X;year=2018;volume=6;issue=3;spage=133;epage=136;aulast=MozeleskiFetal hemoglobinsickle cell diseasesickle hemoglobin
spellingShingle Brian M Mozeleski
Abdullah Al-Rubaish
Amein Al-Ali
Jose Romero
Perspective: A novel prognostic for sickle cell disease
Saudi Journal of Medicine and Medical Sciences
Fetal hemoglobin
sickle cell disease
sickle hemoglobin
title Perspective: A novel prognostic for sickle cell disease
title_full Perspective: A novel prognostic for sickle cell disease
title_fullStr Perspective: A novel prognostic for sickle cell disease
title_full_unstemmed Perspective: A novel prognostic for sickle cell disease
title_short Perspective: A novel prognostic for sickle cell disease
title_sort perspective a novel prognostic for sickle cell disease
topic Fetal hemoglobin
sickle cell disease
sickle hemoglobin
url http://www.sjmms.net/article.asp?issn=1658-631X;year=2018;volume=6;issue=3;spage=133;epage=136;aulast=Mozeleski
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AT abdullahalrubaish perspectiveanovelprognosticforsicklecelldisease
AT ameinalali perspectiveanovelprognosticforsicklecelldisease
AT joseromero perspectiveanovelprognosticforsicklecelldisease