IthaID: 6

Names and Sequences

Functionality: Globin gene causative mutation Pathogenicity: Pathogenic / Likely Pathogenic
Common Name: -92 (C>T) HGVS Name: HBB:c.-142C>T
Hb Name: N/A Protein Info: N/A

Context nucleotide sequence:

Also known as:

Comments: An updated case was reported in a 33-year-old female in association with −α3.7 with a slightly increased Hb A2 level.

We follow the HGVS sequence variant nomenclature and IUPAC standards.


Hemoglobinopathy Group: Thalassaemia
Hemoglobinopathy Subgroup: β-thalassaemia
Allele Phenotype:β++ (silent)
Associated Phenotypes: Haemolytic anaemia [HP:0001878]
Ineffective erythropoiesis [HP:0010972]


Chromosome: 11
Locus: NG_000007.3
Locus Location: 70453
Size: 1 bp
Located at: β
Specific Location: Promoter

Other details

Type of Mutation: Point-Mutation(Substitution)
Effect on Gene/Protein Function: Promoter (Transcription)
Ethnic Origin: Mediterranean
Molecular mechanism: N/A
Inheritance: Recessive
DNA Sequence Determined: Yes

In silico pathogenicity prediction

Sequence Viewer

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Publications / Origin

  1. Divoky V, Baysal E, Schiliro G, Dibenedetto SP, Huisman TH, A mild type of Hb S-beta(+)-thalassemia [-92(C-->T)] in a Sicilian family., American journal of hematology, 42(2), 225-6, 1993 PubMed
  2. Kimberland ML, Boehm CD, Kazazian HH, Two novel beta-thalassemia alleles: poly A signal (AATAAA-->AAAA) and -92 C-->T., Human mutation, 5(3), 275-6, 1995 PubMed
  3. Rosatelli MC, Faà V, Meloni A, Fiorenza F, Galanello R, Gasperini D, Amendola G, Cao A, A promoter mutation, C-->T at position -92, leading to silent beta-thalassaemia., British journal of haematology, 90(2), 483-5, 1995 PubMed


1Petrou, Miranda2022-09-23Report of an update.
Created on 2010-06-16 16:13:14, Last reviewed on 2022-09-23 11:11:42 (Show full history)

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