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ß2-adrenergic receptor polymorphisms, asthma and COPD: two large population-based studies.

https://arctichealth.org/en/permalink/ahliterature129736
Source
Eur Respir J. 2012 Mar;39(3):558-66
Publication Type
Article
Date
Mar-2012
Author
M. Thomsen
B G Nordestgaard
A A Sethi
A. Tybjærg-Hansen
M. Dahl
Author Affiliation
Dept of Clinical Biochemistry, Herlev Hospital, Herlev, Denmark.
Source
Eur Respir J. 2012 Mar;39(3):558-66
Date
Mar-2012
Language
English
Publication Type
Article
Keywords
Adult
Aged
Aged, 80 and over
Asthma - epidemiology - genetics
Denmark - epidemiology
Female
Gene Frequency
Humans
Incidence
Lung - physiopathology
Male
Middle Aged
Polymorphism, Genetic
Prevalence
Pulmonary Disease, Chronic Obstructive - epidemiology - genetics
Receptors, Adrenergic, beta-2 - genetics
Young Adult
Abstract
The ß(2)-adrenergic receptor (ADRB2) is an important regulator of airway smooth muscle tone. We tested the hypothesis that three functional polymorphisms in the ADRB2 gene (Thr164Ile, Gly16Arg and Gln27Glu) are associated with reduced lung function, asthma or chronic obstructive pulmonary disease (COPD). We first genotyped 8,971 individuals from the Copenhagen City Heart Study for all three polymorphisms. To validate our findings, we genotyped an additional 53,777 individuals from the Copenhagen General Population Study for the Thr164Ile polymorphism. We identified 60,910 Thr164Ile noncarriers, 1,822 heterozygotes and 16 homozygotes. In the Copenhagen City Heart Study, the Thr164Ile genotype was associated with reduced forced expiratory volume in 1 s (FEV(1)) % predicted (trend p = 0.01) and FEV(1)/forced vital capacity (FVC) (p = 0.001): Thr164Ile heterozygotes had 3% and 2% reduced FEV(1) % pred and FEV(1)/FVC, respectively, compared with noncarriers. The odds ratio for COPD in Thr164Ile heterozygotes was 1.46 (95% CI 1.05-2.02). In the Copenhagen General Population Study, the Thr164 genotype associated with reduced FEV(1) % pred (p = 0.04) and FEV(1)/FVC (p
PubMed ID
22075484 View in PubMed
Less detail

ß2 -adrenergic receptor Thr164IIe polymorphism, blood pressure and ischaemic heart disease in 66?750 individuals.

https://arctichealth.org/en/permalink/ahliterature131722
Source
J Intern Med. 2012 Mar;271(3):305-14
Publication Type
Article
Date
Mar-2012
Author
M. Thomsen
M. Dahl
A. Tybjaerg-Hansen
B G Nordestgaard
Author Affiliation
Department of Clinical Biochemistry, Herlev Hospital, Copenhagen University Hospital, Copenhagen, Denmark.
Source
J Intern Med. 2012 Mar;271(3):305-14
Date
Mar-2012
Language
English
Publication Type
Article
Keywords
Aged
Blood Pressure - genetics
Cross-Sectional Studies
Denmark
Female
Genetic Predisposition to Disease - genetics
Genotype
Humans
Hypertension - genetics
Male
Middle Aged
Muscle, Skeletal
Myocardial Ischemia - genetics
Myocytes, Smooth Muscle
Polymorphism, Single Nucleotide
Prospective Studies
Questionnaires
Receptors, Adrenergic, beta-2 - genetics
Sex Factors
Abstract
The ß(2) -adrenergic receptor (ADRB2) is located on smooth muscle cells and is an important regulator of smooth muscle tone. The Thr164Ile polymorphism (rs1800888) in the ADRB2 gene is rare but has profound functional consequences on receptor function and could cause lifelong elevated smooth muscle tone. We tested the hypothesis that Thr164Ile is associated with increased blood pressure, increased frequency of hypertension and increased risk of cardiovascular disease (CVD).
A total of 66 750 individuals from two large Danish general population studies were genotyped, and 1943 Thr164Ile heterozygotes and 16 homozygotes were identified.
Thr164Ile genotype was associated with increased systolic and diastolic blood pressure in women (trend: P = 0.04 and 0.02): systolic and diastolic blood pressure increased by 5% and 2%, respectively, in female homozygotes compared with female noncarriers. All female Thr164Ile homozygotes had hypertension compared with 58% of female heterozygotes and 54% of female noncarriers (chi-square: P = 0.001). Female Thr164Ile homozygotes and heterozygotes had odds ratios for ischaemic heart disease (IHD) of 2.93 (0.56-15.5) and 1.28 (1.03-1.61), respectively, compared with female noncarriers (trend: P = 0.007). These differences were not observed in men. Furthermore, Gly16Arg (rs1042713) and Gln27Glu (rs1042714) in the ADRB2 gene were not associated with blood pressure, hypertension or CVD either in the population overall or in women and men separately.
ADRB2 Thr164Ile is associated with increased blood pressure, increased frequency of hypertension and increased risk of IHD amongst women in the general population. These findings, particularly for homozygotes, are novel.
PubMed ID
21883537 View in PubMed
Less detail

The burns unit in Copenhagen. IX. Occurrence of septicaemia 1961-1968.

https://arctichealth.org/en/permalink/ahliterature44150
Source
Scand J Plast Reconstr Surg. 1970;4(2):141-7
Publication Type
Article
Date
1970

38 records – page 1 of 4.