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Hemoglobin ; 47(4): 167-171, 2023 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-37782073

RESUMO

Hemoglobinopathies are the most common single-gene disorders in humans. There are 1,424 variants of human hemoglobin described with 951 involving the ß-globin gene. Ancestry and geography play a significant role in the incidence and nature of hemoglobinopathies, with African, Asian, and Mediterranean populations and their descendants being amongst the most affected. Investigation of variants in individuals of Hispanic descent is needed to reflect the changing demographics of the United States. Hemoglobin ß-globin evaluation through gel electrophoresis, high-performance liquid chromatography, and HBB gene sequencing was performed on patients from Texas hospitals between 2010 and 2015 and demographic parameters (age, sex, ethnicity) was subsequently analyzed. A total of 846 patients underwent hemoglobinopathy evaluation. A ß chain variant was detected in 628 of the 846 total patients. Hispanic patients represented 37% (314/846 patients), which were equally distributed between females (50%; 156/314) and males (50%; 156/314). A ß-globin chain variant was found in 67% of Hispanic patients with a distribution across 10 variants seen in greater than 1% of patients. For hemoglobin variants, an understanding of the regional and ethnic prevalence will improve patient care through more effective screening and identification of the variant, early diagnosis, and appropriate treatment if necessary, and better genetic counseling.


Assuntos
Hemoglobinopatias , Hemoglobinas Anormais , Masculino , Feminino , Humanos , Globinas beta/genética , Hemoglobinas Anormais/genética , Texas/epidemiologia , Hemoglobinopatias/diagnóstico , Hemoglobinopatias/epidemiologia , Hemoglobinopatias/genética , Hispânico ou Latino/genética
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