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A microarray minisequencing system for pharmacogenetic profiling of antihypertensive drug response
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2003 (English)In: Pharmacogenetics, ISSN 0960-314X, Vol. 13, no 1Article 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 ▀1-adrenergic receptor blocker atenolol. Genotyping was performed using a microarray based DNA polymerase assisted 'minisequencing' single nucleotrde 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 thestudy. 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. Pharrnacogenetics 13:7-17 ⌐ 2003 Lippincott Williams & Wilkins.

Place, publisher, year, edition, pages
2003. Vol. 13, no 1
National Category
Medical and Health Sciences
URN: urn:nbn:se:liu:diva-27069DOI: 10.1097/00008571-200301000-00003Local ID: 11716OAI: diva2:247620
Available from: 2009-10-08 Created: 2009-10-08 Last updated: 2013-09-10

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Nyström, Fredrik
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