CT scanning-based phenotypes vary with ADRB2 polymorphisms in chronic obstructive pulmonary disease

Woo Jin Kim, Yeon Mok Oh, Joohon Sung, Young Kyung Lee, Joon Beom Seo, Nam Kug Kim, Tae Hyung Kim, Jin Won Huh, Ji Hyun Lee, Eun Kyung Kim, Jin Hwa Lee, Sang Min Lee, Sang Yeub Lee, Seong Yong Lim, Tae Rim Shin, Ho Il Yoon, Sung Youn Kwon, Sang Do Lee

Research output: Contribution to journalArticle

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Abstract

Background: Chronic obstructive pulmonary disease (COPD) is a heterogeneous disease that is characterized by varying degrees of involvement of airway and lung parenchyma. Although cigarette smoke is the major risk factor for COPD, the principal determining factors of involvement of the airway or lung parenchyma have not been clearly defined. Genetic variability in COPD patients might influence the varying degrees of involvement of airway and parenchyma. We therefore studied whether airway and parenchyma involvement might be associated with the ADRB2 genotype, which has been reported to be associated with COPD susceptibility and the bronchodilator response. Methods: One hundred and eleven COPD subjects, whose post-bronchodilator FEV1/FVC values were less than 0.7, and who had histories of smoking exceeding 10 pack-years, were prospectively recruited from pulmonology clinics of 11 hospitals in Seoul, Korea. The degrees of involvement of airway and parenchyma were evaluated by volumetric computed tomography (CT) scans. In-house software automatically calculated luminal areas, airway wall areas, percentages of wall areas in segmental bronchi, emphysema indices, and mean lung densities in the whole lung parenchyma. The ADRB2 genotypes at codon 16 were determined for all patients. Results: Gly16 was associated with lumen diameter, luminal area, and percentage of wall area in patients with COPD (p = 0.02), whereas neither wall area nor wall thickness differed with ADRB2 genotype. Neither emphysema index nor mean lung density was associated with ADRB2 genotype. Conclusion: Gly16 variant in ADRB2 gene was associated with airway wall phenotypes measured using CT scanning in COPD patients.

Original languageEnglish
Pages (from-to)98-103
Number of pages6
JournalRespiratory Medicine
Volume103
Issue number1
DOIs
Publication statusPublished - 2009 Jan 1
Externally publishedYes

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Chronic Obstructive Pulmonary Disease
Tomography
Phenotype
Lung
Genotype
Bronchodilator Agents
Emphysema
Pulmonary Medicine
Cone-Beam Computed Tomography
Disease Susceptibility
Bronchi
Korea
Codon
Smoke
Tobacco Products
Software
Smoking
Genes

Keywords

  • Computed tomography
  • COPD
  • Polymorphism

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine

Cite this

Kim, W. J., Oh, Y. M., Sung, J., Lee, Y. K., Seo, J. B., Kim, N. K., ... Lee, S. D. (2009). CT scanning-based phenotypes vary with ADRB2 polymorphisms in chronic obstructive pulmonary disease. Respiratory Medicine, 103(1), 98-103. https://doi.org/10.1016/j.rmed.2008.07.025

CT scanning-based phenotypes vary with ADRB2 polymorphisms in chronic obstructive pulmonary disease. / Kim, Woo Jin; Oh, Yeon Mok; Sung, Joohon; Lee, Young Kyung; Seo, Joon Beom; Kim, Nam Kug; Kim, Tae Hyung; Huh, Jin Won; Lee, Ji Hyun; Kim, Eun Kyung; Lee, Jin Hwa; Lee, Sang Min; Lee, Sang Yeub; Lim, Seong Yong; Shin, Tae Rim; Yoon, Ho Il; Kwon, Sung Youn; Lee, Sang Do.

In: Respiratory Medicine, Vol. 103, No. 1, 01.01.2009, p. 98-103.

Research output: Contribution to journalArticle

Kim, WJ, Oh, YM, Sung, J, Lee, YK, Seo, JB, Kim, NK, Kim, TH, Huh, JW, Lee, JH, Kim, EK, Lee, JH, Lee, SM, Lee, SY, Lim, SY, Shin, TR, Yoon, HI, Kwon, SY & Lee, SD 2009, 'CT scanning-based phenotypes vary with ADRB2 polymorphisms in chronic obstructive pulmonary disease', Respiratory Medicine, vol. 103, no. 1, pp. 98-103. https://doi.org/10.1016/j.rmed.2008.07.025
Kim, Woo Jin ; Oh, Yeon Mok ; Sung, Joohon ; Lee, Young Kyung ; Seo, Joon Beom ; Kim, Nam Kug ; Kim, Tae Hyung ; Huh, Jin Won ; Lee, Ji Hyun ; Kim, Eun Kyung ; Lee, Jin Hwa ; Lee, Sang Min ; Lee, Sang Yeub ; Lim, Seong Yong ; Shin, Tae Rim ; Yoon, Ho Il ; Kwon, Sung Youn ; Lee, Sang Do. / CT scanning-based phenotypes vary with ADRB2 polymorphisms in chronic obstructive pulmonary disease. In: Respiratory Medicine. 2009 ; Vol. 103, No. 1. pp. 98-103.
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T1 - CT scanning-based phenotypes vary with ADRB2 polymorphisms in chronic obstructive pulmonary disease

AU - Kim, Woo Jin

AU - Oh, Yeon Mok

AU - Sung, Joohon

AU - Lee, Young Kyung

AU - Seo, Joon Beom

AU - Kim, Nam Kug

AU - Kim, Tae Hyung

AU - Huh, Jin Won

AU - Lee, Ji Hyun

AU - Kim, Eun Kyung

AU - Lee, Jin Hwa

AU - Lee, Sang Min

AU - Lee, Sang Yeub

AU - Lim, Seong Yong

AU - Shin, Tae Rim

AU - Yoon, Ho Il

AU - Kwon, Sung Youn

AU - Lee, Sang Do

PY - 2009/1/1

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N2 - Background: Chronic obstructive pulmonary disease (COPD) is a heterogeneous disease that is characterized by varying degrees of involvement of airway and lung parenchyma. Although cigarette smoke is the major risk factor for COPD, the principal determining factors of involvement of the airway or lung parenchyma have not been clearly defined. Genetic variability in COPD patients might influence the varying degrees of involvement of airway and parenchyma. We therefore studied whether airway and parenchyma involvement might be associated with the ADRB2 genotype, which has been reported to be associated with COPD susceptibility and the bronchodilator response. Methods: One hundred and eleven COPD subjects, whose post-bronchodilator FEV1/FVC values were less than 0.7, and who had histories of smoking exceeding 10 pack-years, were prospectively recruited from pulmonology clinics of 11 hospitals in Seoul, Korea. The degrees of involvement of airway and parenchyma were evaluated by volumetric computed tomography (CT) scans. In-house software automatically calculated luminal areas, airway wall areas, percentages of wall areas in segmental bronchi, emphysema indices, and mean lung densities in the whole lung parenchyma. The ADRB2 genotypes at codon 16 were determined for all patients. Results: Gly16 was associated with lumen diameter, luminal area, and percentage of wall area in patients with COPD (p = 0.02), whereas neither wall area nor wall thickness differed with ADRB2 genotype. Neither emphysema index nor mean lung density was associated with ADRB2 genotype. Conclusion: Gly16 variant in ADRB2 gene was associated with airway wall phenotypes measured using CT scanning in COPD patients.

AB - Background: Chronic obstructive pulmonary disease (COPD) is a heterogeneous disease that is characterized by varying degrees of involvement of airway and lung parenchyma. Although cigarette smoke is the major risk factor for COPD, the principal determining factors of involvement of the airway or lung parenchyma have not been clearly defined. Genetic variability in COPD patients might influence the varying degrees of involvement of airway and parenchyma. We therefore studied whether airway and parenchyma involvement might be associated with the ADRB2 genotype, which has been reported to be associated with COPD susceptibility and the bronchodilator response. Methods: One hundred and eleven COPD subjects, whose post-bronchodilator FEV1/FVC values were less than 0.7, and who had histories of smoking exceeding 10 pack-years, were prospectively recruited from pulmonology clinics of 11 hospitals in Seoul, Korea. The degrees of involvement of airway and parenchyma were evaluated by volumetric computed tomography (CT) scans. In-house software automatically calculated luminal areas, airway wall areas, percentages of wall areas in segmental bronchi, emphysema indices, and mean lung densities in the whole lung parenchyma. The ADRB2 genotypes at codon 16 were determined for all patients. Results: Gly16 was associated with lumen diameter, luminal area, and percentage of wall area in patients with COPD (p = 0.02), whereas neither wall area nor wall thickness differed with ADRB2 genotype. Neither emphysema index nor mean lung density was associated with ADRB2 genotype. Conclusion: Gly16 variant in ADRB2 gene was associated with airway wall phenotypes measured using CT scanning in COPD patients.

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KW - COPD

KW - Polymorphism

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