Related Experiment Video
Updated: Jul 10, 2025

Genetic Analysis of Hereditary Transthyretin Ala97Ser Related Amyloidosis
Published on: June 9, 2018
Alpha-1 antitrypsin deficiency
1Universitat de València, Facultad de Medicina, Departamento de Fisiología, IIS INCLIVA, Valencia, Spain.
Insights
Alpha-1 antitrypsin deficiency (AATD) is a rare genetic disorder impacting lungs and liver. Research is needed for better diagnosis, outcome prediction, and novel treatments beyond current augmentation therapy.
Area of Science:
- Genetics and rare diseases
- Pulmonology
- Hepatology
Background:
- Alpha-1 antitrypsin deficiency (AATD) is an inherited disorder resulting in low levels of alpha-1 antitrypsin (AAT).
- AATD can cause severe lung and liver disease in affected individuals.
- Current challenges include underdiagnosis, varied clinical presentations, and limited liver disease treatments.
Purpose of the Study:
- To review and update current knowledge on Alpha-1 antitrypsin deficiency.
- To identify areas of controversy and knowledge gaps in AATD research.
- To propose future research directions for improving AATD patient outcomes.
Main Methods:
- Comprehensive literature review of existing studies on AATD.
- Analysis of current diagnostic and therapeutic strategies.
- Identification of emerging and investigational treatment modalities.
Main Results:
- AATD necessitates improved early detection and outcome prediction biomarkers.
- Augmentation therapy is the sole approved treatment, primarily for emphysema progression.
- Novel strategies including gene therapy and stem cell treatments are under investigation.
Conclusions:
- There is a critical need for enhanced diagnostic tools and predictive biomarkers for AATD.
- Further research into alternative therapies is essential to address the unmet needs in AATD management, particularly for liver disease.
- Addressing controversies and pursuing new research avenues will improve patient care and outcomes.
Abstract:
Alpha-1 antitrypsin deficiency (AATD) is a rare hereditary condition caused by decreased plasma and tissue levels of alpha-1 antitrypsin (AAT) that can lead to serious lung and liver disease in children and adults. AATD patients face challenges such as under diagnosis, clinical variability, and limited treatment options for liver disease. Early detection and biomarkers for predicting outcomes are needed to improve patient outcome. Currently, the only approved pharmacological therapy is augmentation therapy, which can delay the progression of emphysema. However, alternative strategies such as gene therapy, induced pluripotent stem cells, and prevention of AAT polymerization inside hepatocytes are being investigated. This review aims to summarize and update current knowledge on AATD, identify areas of controversy, and formulate questions for further research.
More Related Videos
Related Concept Videos
Chronic Obstructive Pulmonary Disease-II: Pathophysiology
Chronic Inflammation
Inborn Errors of Metabolism
Cystic Fibrosis: Management
Sinus disease and chronic...
Cystic Fibrosis: Pathogenesis
CF is primarily caused by a genetic mutation in a chromosome 7 gene coding for the cystic fibrosis transmembrane conductance regulator (CFTR) protein. The most common gene mutation leading to CF is the ΔF508 mutation,...
Myasthenia Gravis: Overview and Treatment
These antibodies interfere with the function of the nicotinic receptors in three ways: by binding to the receptor and disrupting acetylcholine binding; by causing cross-linking of receptors which...
Acute Respiratory Failure-II
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:

