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Article

Hb J-Guantanamo: a Rare Hemoglobin Variant Identified in Morocco Following Unexpected HbA1c Results.

Clinical laboratory - 1 Sept 2026

M'chichou N, Adil F, Eddair Y, Biaz A, Bouhsain S, Dami A, Idrissi S El Machtani

Abstract excerpt

BACKGROUND: While hemoglobin variants are common worldwide, many remain undetected due to their silent clinical expression. Some, however, may compromise the reliability of diagnostic markers such as HbA1c. We report a rare β-globin variant, hemoglobin J-Guantanamo, identified in Morocco. METHODS: A hemoglobin variant was incidentally discovered in a 59-year-old patient during hemoglobin A1c measurement. Multiple...

Read the complete abstract on PubMed

Topics

Humans
Glycated Hemoglobin
Morocco
Middle Aged
Hemoglobin J
Electrophoresis, Capillary
Chromatography, High Pressure Liquid

Methodology Data sources Editorial policy Privacy Delete account & data About Contact Helena Bioinformatics

Hemoglobins, Abnormal

Incidental Findings

Male

Phenotype

Hemoglobinopathies

Source

Identifiers

PMID: 42733988
DOI: 10.7754/Clin.Lab.2025.250949

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 24 Oct 2026.

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