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https://hdl.handle.net/2440/78709
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Type: | Journal article |
Title: | Zinc-rich inhibitor of apoptosis proteins (IAPs) as regulatory factors in the epithelium of normal and inflamed airways |
Author: | Roscioli, E. Hamon, R. Lester, S. Murgia, C. Grant, J. Zalewski, P. |
Citation: | Biometals, 2013; 26(2):205-227 |
Publisher: | Kluwer Academic Publ |
Issue Date: | 2013 |
ISSN: | 0966-0844 1572-8773 |
Statement of Responsibility: | Eugene Roscioli, Rhys Hamon, Susan Lester, Chiara Murgia, Janet Grant, Peter Zalewski |
Abstract: | Integrity of the airway epithelium (AE) is important in the context of inhaled allergens and noxious substances, particularly during asthma-related airway inflammation where there is increased vulnerability of the AE to cell death. Apoptosis involves a number of signaling pathways which activate procaspases leading to cleavage of critical substrates. Understanding the factors which regulate AE caspases is important for development of strategies to minimize AE damage and airway inflammation, and therefore to better control asthma. One such factor is the essential dietary metal zinc. Zinc deficiency results in enhanced AE apoptosis, and worsened airway inflammation. This has implications for asthma, where abnormalities in zinc homeostasis have been observed. Zinc is thought to suppress the steps involved in caspase-3 activation. One target of zinc is the family of inhibitor of apoptosis proteins (IAPs) which are endogenous regulators of caspases. More studies are needed to identify the roles of IAPs in regulating apoptosis in normal and inflamed airways and to study their interaction with labile zinc ions. This new information will provide a framework for future clinical studies aimed at monitoring and management of airway zinc levels as well as minimising airway damage and inflammation in asthma. |
Keywords: | Airway epithelium Apoptosis Asthma Inflammation Zinc |
Rights: | © Springer Science+Business Media New York 2013 |
DOI: | 10.1007/s10534-013-9618-2 |
Grant ID: | http://purl.org/au-research/grants/nhmrc/519206 http://purl.org/au-research/grants/nhmrc/627223 |
Published version: | http://dx.doi.org/10.1007/s10534-013-9618-2 |
Appears in Collections: | Aurora harvest 7 Medicine publications |
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