2015
DOI: 10.1016/j.bjhh.2015.02.007
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Hemoglobin D-Punjab: origin, distribution and laboratory diagnosis

Abstract: This review discusses hemoglobin D-Punjab, also known as hemoglobin D-Los Angeles, one of the most common hemoglobin variants worldwide. It is derived from a point mutation in the beta-globin gene (HBB: c.364G>C; rs33946267) prevalent in the Punjab region, Northwestern Indian. Hemoglobin D-Punjab can be inherited in heterozygosis with hemoglobin A causing no clinical or hematological alterations, or in homozygosis, the rarest form of inheritance, a condition that is commonly not related to clinical symptomatol… Show more

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Cited by 51 publications
(39 citation statements)
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“…As Hb S concentration is a determinant factor for the SCD clinical severity, double heterozygous genotypes usually, but not always, are less clinically severe than Hb SS [3,37]. However, the similarity found between Hb SS and Hb SD groups may be a result from the Hb D properties to increase the polymerization rate of the Hb S. The mutation responsible for Hb D ( HBB :c.364G>C) occurs in an interaction site between Hb S molecules and possibly the amino acid change (Glu→Gln) encourages this interaction, promoting the polymerization process and the erythrocyte sickling [38,39]. …”
Section: Discussionmentioning
confidence: 99%
“…As Hb S concentration is a determinant factor for the SCD clinical severity, double heterozygous genotypes usually, but not always, are less clinically severe than Hb SS [3,37]. However, the similarity found between Hb SS and Hb SD groups may be a result from the Hb D properties to increase the polymerization rate of the Hb S. The mutation responsible for Hb D ( HBB :c.364G>C) occurs in an interaction site between Hb S molecules and possibly the amino acid change (Glu→Gln) encourages this interaction, promoting the polymerization process and the erythrocyte sickling [38,39]. …”
Section: Discussionmentioning
confidence: 99%
“…This mutation is generally asymptomatic but may occasionally cause moderate hemolytic anemia, similar to the manifestations of sickle cell anemia when associated with other hemoglobin variants, such as HbS or β-thalassemia mutations. Its initial distribution suggests that it is more prevalent in the central region of Asia, but due to migration, it can be found in several other regions [50]. …”
Section: Discussionmentioning
confidence: 99%
“…Association with HbS and Thalassemia also occur. [20] .MCV was lower in HbE/ β Thalassemia compared to β Thalassemia, HbE trait and SCT in the ascending order . A similar pattern has been described by Vani and others.…”
Section: Discussionmentioning
confidence: 85%