Related Experiment Video
Updated: Feb 10, 2026
09:00
Use of the Protease Fluorescent Detection Kit to Determine Protease Activity
Published on: August 4, 2009
28.9K
Anti-Proteases and Alpha-1 Antitrypsin Augmentation Therapy
1Division of Pulmonary, Critical Care, Allergy and Sleep Medicine, Department of Medicine, Medical University of South Carolina, Charleston, South Carolina. strangec@musc.edu.
Respiratory Care
|May 26, 2018
Summary
Alpha-1 antitrypsin deficiency, a genetic disorder, underscores the critical role of protease balance in lung health. Augmenting alpha-1 antitrypsin levels via intravenous therapy is a key treatment for emphysema and is being explored for COPD.
Area of Science:
- Pulmonary Medicine
- Genetics
- Pharmacology
Background:
- Alpha-1 antitrypsin deficiency (AATD) is a genetic disorder emphasizing protease balance in lung homeostasis.
- Neutrophil elastase plays a significant role in various pulmonary diseases.
- The first anti-protease therapy was approved for emphysema associated with AATD.
Purpose of the Study:
- To review the role of protease balance in lung health and disease.
- To discuss current and emerging anti-protease therapies for AATD and COPD.
- To highlight the need for improved outcome measures in COPD clinical trials.
Main Methods:
- Review of existing literature on AATD, COPD, and protease inhibitors.
- Analysis of current therapeutic strategies for AATD.
- Discussion of ongoing clinical trials and future research directions.
Main Results:
- Intravenous alpha-1 protease inhibitor therapy augments serum and lung concentrations of alpha-1 antitrypsin.
- Genetic polymorphisms in the SERPINA1 gene are associated with AATD.
- Anti-protease therapy is being investigated for COPD due to neutrophilic inflammation.
Conclusions:
- Protease balance is crucial for maintaining normal lung function.
- Current therapies for AATD involve augmenting alpha-1 antitrypsin levels.
- Further research is needed to optimize anti-protease therapies and outcome measures for COPD.
Related Concept Videos
00:59Gene Therapy
27.7K
Gene therapy is a technique where a gene is inserted into a person’s cells to prevent or treat a serious disease. The added gene may be a healthy version of the gene that is mutated in the patient, or it could be a different gene that inactivates or compensates for the patient’s disease-causing gene. For example, in patients with severe combined immunodeficiency (SCID) due to a mutation in the gene for the enzyme adenosine deaminase, a functioning version of the gene can be...
27.7K
01:26Group Therapy
454
Group therapy is a sociocultural approach to psychological treatment, where individuals with shared psychological challenges come together under the guidance of a mental health professional. This therapeutic modality offers unique opportunities for individuals to connect, share, and grow within the context of a supportive group. By fostering mutual understanding and collaboration, group therapy can address a range of psychological concerns effectively, often complementing or surpassing the...
454
01:22Behavior Therapy
729
Behavior therapy incorporates diverse techniques rooted in classical conditioning principles to address maladaptive behaviors and anxiety disorders. These methods aim to reduce avoidance behaviors, foster adaptive coping mechanisms, and alter associations between stimuli and responses, making them effective in a wide range of therapeutic contexts.
Exposure therapy is a cornerstone of behavioral treatment for anxiety disorders. It involves systematic exposure to feared stimuli, either in real...
Exposure therapy is a cornerstone of behavioral treatment for anxiety disorders. It involves systematic exposure to feared stimuli, either in real...
729
01:28Drug Therapy
302
The advent of drug therapy has profoundly shaped modern mental health care, providing targeted treatments for a range of psychological disorders. Psychotherapeutic drugs, classified into antianxiety, antidepressant, and antipsychotic medications, address symptoms across anxiety disorders, mood disorders, and schizophrenia. While these medications have transformed patient outcomes, they require careful management due to their potential side effects and limitations.
Antianxiety Medications
Antianxiety Medications
302
01:25Cognitive Therapy
1.1K
Cognitive therapy, pioneered by Aaron T. Beck in the 1960s, is a structured approach to addressing psychological distress by focusing on the influence of thoughts on emotions and behaviors. All cognitive therapies involve the basic assumption that human beings have control over their feelings, and that how individuals feel about something depends on how they think about it. Unlike psychoanalytic methods that delve into unconscious processes or humanistic approaches emphasizing...
1.1K
01:30Electroconvulsive Therapy
1.2K
Electroconvulsive therapy (ECT), or shock therapy, remains a critical biomedical intervention for severe, treatment-resistant depression. While its origins can be traced back to Hippocrates' observations that malaria-induced convulsions alleviated mental illness, modern ECT has evolved significantly from its earlier, more primitive applications. First introduced in 1938 by Ugo Cerletti and his colleagues, ECT involves inducing controlled seizures using electrical currents. In its early...
1.2K