一个军校学员血红蛋白 Korle-Bu 和镰状细胞特质复合杂合子的独特病例。

IF 1.3 Q4 HEMATOLOGY
Journal of hematology Pub Date : 2024-06-01 Epub Date: 2024-06-28 DOI:10.14740/jh1257
Gartrell C Bowling, Niels A Ryden, Allen R Holmes, Lauren E Lee, Kristin Stoll
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引用次数: 0

摘要

血红蛋白 Korle-Bu(Hb KB)是一种罕见的血红蛋白(Hb)变异体,由β-球蛋白链上的异常点突变引起,很可能未得到充分报道。Hb KB 通常无临床症状,而 Hb KB 杂合子与其他血红蛋白病复合的报道有限,这些血红蛋白病可能表现出不同的临床表型。在此,我们报告了一例 Hb KB 与 Hb S 复合杂合的病例,患者是一名无症状的军训学员,镰状细胞筛查试验呈阳性。血红蛋白毛细管电泳和凝胶电泳预测出复合 Hb S/D-Punjab 重叠,这预示着严重的临床表型。Hb beta 基因 HBB 的测序结果显示为 Hb KB,因此诊断结果符合他无症状的临床表型,并允许他留在部队。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Unique Case of a Compound Heterozygosity of Hemoglobin Korle-Bu and Sickle Cell Trait in a Military Trainee.

Hemoglobin Korle-Bu (Hb KB) is a rare and likely under-reported hemoglobin (Hb) variant resulting from an unusual point mutation on the beta-globin chain. Hb KB is typically clinically silent, and there are limited reports of Hb KB heterozygosity compounded with other hemoglobinopathies that can present with varying clinical phenotypes. Here, we report a case of compound Hb KB heterozygosity with Hb S in an asymptomatic military trainee with a positive sickle cell screening test. Hb capillary and gel electrophoresis predicted a compound Hb S/D-Punjab overlap, which foretells a severe clinical phenotype. Sequencing of the Hb beta gene HBB demonstrated Hb KB, allowing for a diagnosis that fit his asymptomatic clinical phenotype and allowed for retention in the military.

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Journal of hematology
Journal of hematology HEMATOLOGY-
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