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The Beta-2 Adrenergic Receptor and its Agonists

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Abstract:

The 2 adrenoceptor has been cloned and sequenced, and details of how agonist stimulation ultimately results in clinically evident effects are now known. Receptor desensitization by agonist is an almost universal process that can be prevented and reversed by corticosteroids. Although immunologic mechanisms appear to prevail in asthma, 2 receptor dysfunction may be important in some circumstances. Many receptor agonists are available for asthma therapy, including a new generation of long acting agents (such as salmeterol) with duration of action of 12 hours or more. Statistical links between beta agonist use and asthma mortality or morbidity warrant careful examination for clinical relevance, but may not be dismissed. Beta agonists are relatively safe and clearly effective in asthma, but anti-inflammatory management (including allergen avoidance and immunotherapy when appropriate) is indicated in patients who require chronic therapy.

Document Type: Research Article

DOI: http://dx.doi.org/10.2500/108854194778816454

Publication date: November 1, 1994

More about this publication?
  • Allergy and Asthma Proceedings is a peer reviewed publication dedicated to distributing timely scientific research regarding advancements in the knowledge and practice of allergy, asthma and immunology. Its primary readership consists of allergists and pulmonologists.

    The goal of the Proceedings is to publish articles with a predominantly clinical focus which directly impact quality of care for patients with allergic disease and asthma.

    Featured topics include asthma, rhinitis, sinusitis, food allergies, allergic skin diseases, diagnostic techniques, allergens, and treatment modalities. Published material includes peer-reviewed original research, clinical trials and review articles.

    Articles marked "F" offer free full text for personal noncommercial use only.

    The journal is indexed in Thomson Reuters Web of Science and Science Citation Index Expanded, plus the National Library of Medicine's PubMed service.
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