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February 28, 2026Hematology ReportsOpen Access

Hb Thessaloniki, a Novel, Hyperunstable, Alpha Globin Variant Detected in Northern Greece

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Authors

EBEffrossyni BoutouLaiko General Hospital of AthensNPN. PapandreouNational and Kapodistrian University of AthensGMGenovefa MantzouIppokrateio General Hospital of Thessaloniki

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Implication

This case presentation identifies a new alpha globin variant, Hb Thessaloniki, indicating minimal health impact in the family studied.

Key Points

  • To describe the discovery and implications of a novel alpha globin variant, Hb Thessaloniki, in Northern Greece.
  • Detection of Hb Thessaloniki variant during population screening for haemoglobinopathies
  • Identification of point mutation in HBA1 gene
  • Assessment of haematological phenotype in proband and relatives
  • Use of Dynamut2 and Alphafold3 algorithms to predict structural impact
  • Hb Thessaloniki variant resulted from a mutation causing hyperunstability of the protein
  • Mild microcytosis and hypochromia were observed in the proband
  • The proband's partner showed a normal haematological phenotype, indicating low risk for affected offspring
  • Family analysis revealed biallelic variants in the mother with minor clinical findings

Cite This Study

Boutou et al. (2026) studied this question.

synapsesocial.com/papers/69a287690a974eb0d3c03276https://doi.org/10.3390/hematolrep18020017
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