Genetic underpinnings of lung function and COPD

Area of Science:

• Pulmonary Medicine
• Genetics
• Epidemiology

Background:

• Chronic obstructive pulmonary disease (COPD) is a major global health concern, diagnosed using spirometry.
• Environmental and behavioral factors like smoking and pollution contribute to COPD, but genetic predisposition is also significant as only a fraction of smokers develop the disease.

Purpose of the Study:

• To review the current understanding of the genetic basis of lung function and COPD.
• To highlight the research gap in COPD genetics and lung volume determination.

Main Methods:

• Comprehensive literature search of 'PubMed' and 'GWAS Catalogue' databases.
• Review of existing studies investigating the genetics of COPD and lung volumes.

Main Results:

• Limited studies exist on COPD genetics and lung volumes, indicating a significant research gap.
• Genome-wide association studies have identified genetic variants (e.g., HHIP, HTR4, ADAM19, GSTCD) associated with lung function and COPD risk.
• These variants have been validated across diverse populations, suggesting their role in lung volume and COPD susceptibility.

Conclusions:

• Genetic factors are crucial in determining lung function and COPD risk.
• Further research is needed to fully elucidate the genetic architecture of COPD and its impact on lung volumes.