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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-57019

Kostandyan, N; Britschgi, C; Matevosyan, A; Oganezova, A; Davtyan, A; Blau, N; Steinmann, B; Thöny, B (2011). The spectrum of phenylketonuria genotypes in the Armenian population: identification of three novel mutant PAH alleles. Molecular Genetics and Metabolism, 104(Suppl.):S93-S96.

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We present the spectrum of phenylalanine hydroxylase (PAH) gene mutations upon investigating 35 index patients identified with hyperphenylalaninemia in Armenia. One patient was diagnosed with dihydropteridine reductase (DHPR) deficiency, whereas all other 34 and their 6 affected siblings presented with mild or classical phenylketonuria (PKU). By analyzing all 13 exons plus exon-intron boundaries of the PAH gene, we identified two mutant alleles in 23 PKU patients, three mutations in 1, only one mutation in 5, and no mutation in 5 PKU patients. The most prevalent mutation was the well defined splicing error in intron 10, c.1066-11G>A (17/68 alleles). The three alterations, c.836C>T (p.Pro279Leu) in exon 7, c.1129T>G (p.Tyr377Asp) in exon 11, and c.1244A>T (p.Asp415Val) in exon 12, have not been reported in the PAH locus database (http://www.pahdb.mcgill.ca) and, thus, might be specific for the culturally homogenous Armenian population.


3 citations in Web of Science®
4 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Children's Hospital Zurich > Medical Clinic
Dewey Decimal Classification:610 Medicine & health
Deposited On:28 Jan 2012 10:09
Last Modified:05 Apr 2016 15:29
Publisher DOI:10.1016/j.ymgme.2011.08.006
PubMed ID:21890392

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