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A microarray minisequencing system for pharmacogenetic profiling of antihypertensive drug response
Department of Medical Sciences, Uppsala University, Uppsala, Sweden.
Department of Medical Sciences, Uppsala University, Uppsala, Sweden.
Department of Medical Sciences, Uppsala University, Uppsala, Sweden.
Department of Medical Sciences, Uppsala University, Uppsala, Sweden.
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2003 (English)In: Pharmacogenetics, ISSN 0960-314X, E-ISSN 1473-561X, Vol. 13, no 1, p. 7-17Article in journal (Refereed) Published
Abstract [en]

We aimed to develop a microarray genotyping system for multiplex analysis of a panel of single nucleotide polymorphisms (SNPs) in genes encoding proteins involved in blood pressure regulation, and to apply this system in a pilot study demonstrating its feasibility in the pharmacogenetics of hypertension. A panel of 74 SNPs in 25 genes involved in blood pressure regulation was selected from the SNP databases, and genotyped in DNA samples of 97 hypertensive patients. The patients had been randomized to double-blind treatment with either the angiotensin II type 1 receptor blocker irbesartan or the beta 1-adrenergic receptor blocker atenolol. Genotyping was performed using a microarray based DNA polymerase assisted 'minisequencing' single nucleotide primer extension assay with fluorescence detection. The observed genotypes were related to the blood pressure reduction using stepwise multiple regression analysis. The allele frequencies of the selected SNPs were determined in the Swedish population. The established microarray-based genotyping system was validated and allowed unequivocal multiplex genotyping of the panel of 74 SNPs in every patient. Almost 7200 SNP genotypes were generated in the study. Profiles of four or five SNP-genotypes that may be useful as predictors of blood pressure reduction after antihypertensive treatment were identified. Our results highlight the potential of microarray-based technology for SNP genotyping in pharmacogenetics.

Place, publisher, year, edition, pages
2003. Vol. 13, no 1, p. 7-17
Keywords [en]
minisequencing, pharmacogenetics, systolic blood pressure, diastolic blood pressure, haplotype, single nucleotide polymorphism, genotyping, microarrays
National Category
Medical Genetics Pharmacology and Toxicology Cardiac and Cardiovascular Systems
Identifiers
URN: urn:nbn:se:oru:diva-69398DOI: 10.1097/00008571-200301000-00003ISI: 000180584000003PubMedID: 12544508Scopus ID: 2-s2.0-0037249383OAI: oai:DiVA.org:oru-69398DiVA, id: diva2:1254521
Available from: 2018-10-09 Created: 2018-10-09 Last updated: 2018-10-10Bibliographically approved

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