IthaID: 425
Names and Sequences
| Functionality: | Globin gene causative mutation | Pathogenicity: | Pathogenic / Likely Pathogenic |
|---|---|---|---|
| Common Name: | Poly A (AATAAA>AATGAA) | HGVS Name: | HBA2:c.*92A>G |
| Hb Name: | N/A | Protein Info: | α2 nt 817 A>G |
Context nucleotide sequence:
CACCGGCCCTTCCTGGTCTTTGAAT [A/G] AAGTCTGAGTGGGCAGCAGCCTGTG (Strand: +)
Also known as: αPolyA2
We follow the HGVS sequence variant nomenclature and IUPAC standards.
Phenotype
| Hemoglobinopathy Group: | Thalassaemia |
|---|---|
| Hemoglobinopathy Subgroup: | α-thalassaemia |
| Allele Phenotype: | α+/α0 |
| Associated Phenotypes: | Haemolytic anaemia [HP:0001878] |
Location
| Chromosome: | 16 |
|---|---|
| Locus: | NG_000006.1 |
| Locus Location: | 34555 |
| Size: | 1 bp |
| Located at: | α2 |
| Specific Location: | Poly(A) |
Other details
| Type of Mutation: | Point-Mutation(Substitution) |
|---|---|
| Effect on Gene/Protein Function: | RNA cleavage - Poly(A) signal (mRNA Processing) |
| Ethnic Origin: | Mediterranean, Turkish, Cypriot, UAE, Iranian |
| Molecular mechanism: | N/A |
| Inheritance: | Recessive |
| DNA Sequence Determined: | No |
In silico pathogenicity prediction
Frequencies
Publications / Origin
- Yüregir GT, Aksoy K, Cürük MA, Dikmen N, Fei YJ, Baysal E, Huisman TH, Hb H disease in a Turkish family resulting from the interaction of a deletional alpha-thalassaemia-1 and a newly discovered poly A mutation., British journal of haematology, 80(4), 527-32, 1992
- Baysal E, Kleanthous M, Bozkurt G, Kyrri A, Kalogirou E, Angastiniotis M, Ioannou P, Huisman TH, alpha-Thalassaemia in the population of Cyprus., Br. J. Haematol. , 89(3), 496-9, 1995
- Kyriacou K, Kyrri A, Kalogirou E, Vasiliades P, Angastiniotis M, Ioannou PA, Kleanthous M, Hb Bart's levels in cord blood and alpha-thalassemia mutations in Cyprus., Hemoglobin , 24(3), 171-80, 2000
- Ma ES, Chow EY, Chan AY, Chan LC, Interaction between (--SEA) alpha-thalassemia deletion and uncommon non-deletional alpha-globin gene mutations in Chinese patients., Haematologica , 86(5), 539-40, 2001
- Hadavi V, Taromchi AH, Malekpour M, Gholami B, Law HY, Almadani N, Afroozan F, Sahebjam F, Pajouh P, Kariminejad R, Kariminejad MH, Azarkeivan A, Jafroodi M, Tamaddoni A, Puehringer H, Oberkanins C, Najmabadi H, Elucidating the spectrum of alpha-thalassemia mutations in Iran., Haematologica , 92(7), 992-3, 2007
- Akhavan-Niaki H, Youssefi Kamangari R, Banihashemi A, Kholghi Oskooei V, Azizi M, Tamaddoni A, Sedaghat S, Vakili M, Mahmoudi Nesheli H, Shabani S, Hematologic features of alpha thalassemia carriers., Int J Mol Cell Med , 1(3), 162-7, 2012
Created on 2010-06-16 16:13:15,
Last reviewed on 2020-10-02 10:23:28 (Show full history)
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