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Kristina Bengtsson Boström

Associate professor

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A Functional Variant in the {alpha}2B Adrenoceptor Gene, a Positional Candidate on Chromosome 2, Associates With Hypertension.


  • Fredrik Wowern
  • Kristina Bengtsson Boström
  • Ulf Lindblad
  • Lennart Råstam
  • Olle Melander

Summary, in English

In a genome-wide scan in Scandinavians, we found suggestive linkage between early-onset primary hypertension and a region on chromosome 2. The 2B-adrenoceptor gene, a candidate gene within this region, harbors a functional insertion/deletion (I/D) polymorphism of three glutamate residues. The aim of this study was to investigate

if the DD genotype is associated with hypertension in Swedes. We performed an association study between the I/D

polymorphism of the 2B-adrenoceptor and hypertension in the Skaraborg population. The material consists of all known

patients with primary hypertension in Skara (n772 nondiabetic subjects; n171 normoalbuminuric type 2 diabetic

subjects) and 817 population control subjects. We first compared genotype frequencies between patients with

early-onset hypertension (aged 50 years or younger at onset) and subjects with normotension (blood pressure

120/80 mm Hg). Thereafter, the polymorphism was tested for association with hypertension at the population level.

When comparing patients with early-onset hypertension and normotensive subjects, the DD versus II genotype was

associated with early-onset hypertension when diabetic subjects were excluded from the analysis (OR2.0; 95%

CI1.2 to 3.5) or when they were not excluded (OR1.8; 95% CI1.0 to 3.1). At the population level, the DD versus

II genotype was weakly associated with nondiabetic hypertension (OR1.4; 95% CI1.0 to 1.8). Our data suggest that carriers of the DD versus II genotype of the 2B-adrenoceptor are at increased risk for hypertension. The genotypic effect is most evident when comparing groups corresponding to the upper and lower tails of the blood pressure distribution in the population; however, in nondiabetic hypertensive subjects it is weakly detectable even at the population level.


  • Genomics, Diabetes and Endocrinology
  • Community Medicine
  • Department of Clinical Sciences, Malmö

Publishing year












Document type

Journal article


Lippincott Williams & Wilkins


  • Cardiac and Cardiovascular Systems


  • receptors
  • adrenergic
  • genetics
  • hypertension



Research group

  • Genomics, Diabetes and Endocrinology
  • Community Medicine


  • ISSN: 1524-4563