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Two new γ chain variants: Hb F-Augusta GA [(G)γ59(E3)Lys → Arg; HBG2: c.179A > G] and Hb F-Port Royal-II [(A)γ125(H3)Glu → Ala; HBG1: c.377A > C].

Hemoglobin - 1 Jan 2014

Kutlar Ferdane, Ameri Afshin, Patel Niren H, Zhuang Lina, Johnson Lee E, Cheng Michael L, Kutlar Abdullah

Abstract excerpt

The total number of hemoglobin (Hb) variants so far reported to the HbVar database is 1598 (April 9 2014) and 130 of them are fetal Hb variants. Fetal Hb are categorized as two different subunits, (G)γ- and (A)γ-globin chains, and γ chain variants can be observed in both subunits. There are 72 (G)γ- and 58 (A)γ-globin chain variants. Most of them are clinically silent and detected during newborn screening...

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Identifiers

PMID: 25271994
DOI: 10.3109/03630269.2014.960526

Genes

HBG1
HBG2

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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Two new γ chain variants: Hb F-Augusta GA [(G)γ59(E3)Lys → Arg; HBG2: c.179A > G] and Hb F-Port Royal-II [(A)γ125(H3)Glu → Ala; HBG1: c.377A > C].PMID 25271994Read ↗

A new Aγ-globin chain variant: Hb F-Sykesville MD [Aγ113(G15)Val → Ile; HBG1: c.340G>A] detected in a Caucasian baby.Semantic proximity Read ↗

The Importance of Characterizing the Hemoglobin Instability of New Variants: The Case of Hb Dompierre [β29(B11)Gly→Arg, HBB: c.88G>C].Semantic proximity Read ↗

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A high level of Hb F unmasks a new case of Hb Wanjiang (β (F3-F4) Ala87_Thr88delinsSer_Gln (HBB:c.255_264 delinsTTTTTCTCAG)) in a pregnant woman of African ancestry.Semantic proximity Read ↗

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