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α(+)-Thalassemia trait caused by a frameshift mutation in exon 2 of the α2-globin gene [HBA2 c.244delT]
John S Waye1, Lynda Walker, Barry Eng
1Hamilton Regional Laboratory Medicine Program, Hamilton Health Sciences, Hamilton, Ontario, Canada. waye@hhsc.ca
Abstract:
We report a case of α(+)-thalassemia (α(+)-thal) trait caused by a novel frameshift mutation in exon 2 of the α2-globin gene, specifically a deletion of a single nucleotide at amino acid codon 81 [HBA2 c.244delT]. The mutation results in a premature termination of translation at codon 83.
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Translation
Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
Translation Produces the Building Blocks of Life
Translation
Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
Translation Produces the Building Blocks of Life
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