Recent developments in targeting eosinophil accumulation as a novel therapeutic approach for asthma

Garry M Walsh, Alexander J Robinson , Ping Wu Wu

Research output: Contribution to journalLiterature reviewpeer-review


Current therapies for asthma are aimed at controlling disease symptoms and for the majority of patients inhaled
glucocorticoid anti-inflammatory therapy is both effective and well-tolerated. However, concerns remain about the adverse
effects of glucocorticoids while a subset of asthmatic patients remains symptomatic despite optimal treatment
thereby creating a clear unmet medical need. There is considerable evidence that implicates eosinophils as important effector
cells and immunomodulators in the inflammation characteristic of asthma. Numerous in vitro and animal studies
have demonstrated essential roles for cell adhesion molecules in eosinophil adhesion and transendothelial migration including
the selectins, ICAM-1, VCAM-1 together with many of the 1 and 2 integrins. A large body of evidence has
also implicated several cytokines and chemokines in the selective recruitment of eosinophils to sites of asthmatic inflammation.
Biopharmaceutical approaches have been used to identify inhibitory molecules that target key elements in the
processes controlling eosinophil accumulation in asthma. This review will summarise the problems and successes regarding
recent developments in therapeutic strategies aimed at reducing eosinophil-mediated inflammation in the asthmatic
Original languageEnglish
Pages (from-to)35-41
Number of pages7
JournalThe Open Allergy Journal
Publication statusPublished - 2008


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