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Coinheritance of HbD-Punjab/β+-thalassemia (IVSI+5 G-C) in patient with Gilbert's syndrome

A A Petrenko1, A V Pivnik1,2, P P Kim2

  • 1Peoples' Friendship University of Russia (RUDN University), Moscow, Russia.

Terapevticheskii Arkhiv
|February 1, 2019
PubMed

Thalassemia and qualitative hemoglobinopathy are hereditary disorders of Hb synthesis that lead to change in the Hb conformation or a decrease in the synthesis of structurally normal Hb, and consequently, to erythron pathology. Many variants of Hb are unstable or have altered affinity for oxygen, and, in heterozygous form can be associated with clinical and hematological manifestations (hemolytic anemia, hypochromic microcytic anemia, erythrocytosis). HbD-Punjab [β121 (GH4) Glu → Gln; HBB: C.364G> C] is variant of Hb carrying the amino acid substitution in the 121 position of β-globin chain. In all cases reported so far, patients with HbD-Punjab/β+-thalassemia (IVSI+5 G-C) combination experienced typical thalassemia with hypochromic microcytosis. HbD-Punjab was detected by electrophoresis from 37 to 94% of total Hb. The article describes rare clinical case of the cohabitation of HbD-Punjab/β+-thalassemia (IVSI+5 G-C) in a patient with homozygous variant of Gilbert's syndrome observed in AS Loginov Moscow Clinical Scientific Center.

Keywords:
Gilbert's syndromeHbD-PunjabHemoglobin D-Los Angeleshemoglobinopathiesβ+-thalassemiaβ+-thalassemia IVSI+5 G-C

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