IthaID: 3339

Names and Sequences

Functionality: Disease modifying mutation
Common Name: rs2146323 HGVS Name: NG_008732.1:g.12143C>A

Context nucleotide sequence:

Comments: SNP (C>A) strongly associated with high HbF levels in β-thalassaemia patients and hence, a milder clinical phenotype of the disease. The A allele also associated with hydroxyurea treatment efficacy (high HbF levels) in SCD/β-thalassaemia patients.

External Links


Chromosome: 6
Locus: NG_008732.1
Locus Location: 12143
Size: 1 bp
Located at: VEGFA
Specific Location: Intron 2


Allele Phenotype (Cis):N/A
Allele Phenotype (Trans):N/A
Associated Phenotypes: Hb F levels [HP:0011904] [OMIM:141749]
Hb F response to hydroxyurea

Other details

Type of Mutation: Point-Mutation(Substitution)
Effect on Gene/Protein Function: N/A
Ethnic Origin: Greek
Inheritance: Quantitative trait
DNA Sequence Determined: Yes
Detection Methods: Direct DNA sequencing

Sequence Viewer

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Publications / Origin

  1. Chondrou V, Kolovos P, Sgourou A, Kourakli A, Pavlidaki A, Kastrinou V, John A, Symeonidis A, Ali BR, Papachatzopoulou A, Katsila T, Patrinos GP, Whole transcriptome analysis of human erythropoietic cells during ontogenesis suggests a role of VEGFA gene as modulator of fetal hemoglobin and pharmacogenomic biomarker of treatment response to hydroxyurea in β-type hemoglobinopathy patients., Hum. Genomics , 11(1), 24, 2017 PubMed
Created on 2018-06-25 17:13:27, Last reviewed on 2019-05-20 16:10:28 (Show full history)

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