Related Experiment Video
Updated: Jun 16, 2026

08:09
Gene-environment Interaction Models to Unmask Susceptibility Mechanisms in Parkinson's Disease
Published on: January 7, 2014
The Gene-Environment Interactions in Respiratory Diseases (GEIRD) Project
R de Marco1, S Accordini, L Antonicelli
1University of Verona, Italy. roberto.demarco@univr.it
International Archives of Allergy and Immunology
|February 13, 2010
Summary
Investigating genetic and environmental factors in asthma, allergic rhinitis, and COPD is crucial. The GEIRD project aims to build a large database to understand these inflammatory airway diseases better.
Area of Science:
- Epidemiology
- Genetics
- Environmental Health
Background:
- The interplay of genetic and environmental factors in asthma, allergic rhinitis, and COPD pathogenesis remains largely uncharacterized.
- A significant gap exists in large-scale epidemiological and genetic studies investigating these three major respiratory conditions concurrently.
Purpose of the Study:
- To elucidate the roles of modifiable and genetic factors in the development, persistence, severity, and management of inflammatory airway diseases.
- To establish a historical, multicenter, standardized databank of respiratory phenotypes for international epidemiological research.
- To facilitate a deeper understanding of the natural history of asthma, allergic rhinitis, and COPD.
Main Methods:
- The GEIRD project employs a population-based, multicase-control design.
- A two-stage screening process (postal questionnaire and clinical examination) identifies cases and controls from existing cohorts and new samples.
- Data collection focuses on biomarkers of inflammation and oxidative stress, exposures (individual and ecological), diet, early-life factors, smoking, genetics, and medication use.
Main Results:
- The project is establishing a comprehensive, standardized databank of respiratory phenotypes.
- It aims to increase statistical power for epidemiological research on inflammatory airway diseases.
- The initiative will provide a valuable resource for researchers investigating the etiology of asthma, allergic rhinitis, and COPD.
Conclusions:
- The GEIRD project will significantly advance the understanding of genetic and environmental influences on major respiratory diseases.
- The creation of an open-access databank will foster collaborative research and accelerate discoveries in respiratory medicine.
- This initiative addresses the critical need for large-scale, simultaneous investigation of asthma, allergic rhinitis, and COPD.
Related Concept Videos
Gene-Environment Interactions
Gene expression is a dynamic process that is significantly influenced by environmental factors. This interaction underlies the complex nature of biological development and the phenotypic differences observed among individuals, even among those with identical genetic makeups. Factors such as radiation, temperature, behavior, nutrition, and stress play pivotal roles in determining how genes are expressed. The concept of the reaction range is central to understanding this interaction. It posits...
Respiratory Syncytial Virus Disease
Human respiratory syncytial virus (RSV) is a widespread pathogen that primarily targets infants and young children but also poses a serious health risk to elderly and immunocompromised individuals. Belonging to the Pneumoviridae family, RSV is a negative-sense, single-stranded RNA virus within the Pneumovirus genus. Its global health burden is significant, with millions of cases annually resulting in hospitalizations and mortality, particularly in resource-limited settings. Although most...
Common Respiratory Disorders
Respiratory disorders, a prevalent health concern globally, are generally divided into two primary categories: upper and lower respiratory tract disorders. The categorization is based on the area of the respiratory system they affect.
Upper respiratory disorders impact the airways above the vocal cords, encompassing areas like the nose, sinuses, and throat. Various conditions fall under this category, including the common cold and allergic rhinitis. These disorders can stem from several causes,...
Upper respiratory disorders impact the airways above the vocal cords, encompassing areas like the nose, sinuses, and throat. Various conditions fall under this category, including the common cold and allergic rhinitis. These disorders can stem from several causes,...
Background and Environment Affect Phenotype
Although the genetic makeup of an organism plays a major role in determining the phenotype, there are also several environmental factors, such as temperature, oxygen availability, presence of mutagens, that can alter an organism’s phenotype.
An example of how genetic background affects phenotype can be seen in horses. The Extension gene in horses is responsible for their coat color. A wild-type gene (EE) produces black pigment in the coat, while a mutant gene (ee) produces red pigment. A...
An example of how genetic background affects phenotype can be seen in horses. The Extension gene in horses is responsible for their coat color. A wild-type gene (EE) produces black pigment in the coat, while a mutant gene (ee) produces red pigment. A...
Microbiota of the Respiratory Tract
The human respiratory tract, comprising the upper and lower segments, serves as a critical interface with the external environment. The upper respiratory tract (URT)—including the nostrils, sinuses, pharynx, and oropharynx—is heavily colonized by microbes, while the lower respiratory tract (LRT), composed of the larynx, trachea, bronchi, and lungs, was long thought to be sterile. However, recent molecular studies have revealed that the lungs are not devoid of microbes but act more like...
Asthma I: Introduction
Asthma is a chronic inflammatory disorder of the airways characterized by variable airflow obstruction and heightened bronchial responsiveness to a wide range of triggers. The underlying inflammation leads to airway swelling, mucus hypersecretion, and smooth muscle constriction, all of which narrow the airway lumen and impede airflow. Clinically, asthma presents with recurrent episodes of wheezing, shortness of breath, chest tightness, and coughing, symptoms that typically vary in intensity and...
