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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Allergy+Clin+Immunol
2015 ; 135
(6
): 1407-14; quiz 1415
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Platelets in patients with aspirin-exacerbated respiratory disease
#MMPMID26051947
Laidlaw TM
; Boyce JA
J Allergy Clin Immunol
2015[Jun]; 135
(6
): 1407-14; quiz 1415
PMID26051947
show ga
Aspirin-exacerbated respiratory disease (AERD) is a chronic inflammatory disease
characterized clinically by the triad of asthma, nasal polyposis, and
pathognomonic respiratory reactions after ingestion of aspirin. It is a distinct
syndrome associated with eosinophilic infiltration of respiratory tissues and
excessive production of cysteinyl leukotrienes. Despite the consistent clinical
phenotype of the respiratory disease, the underlying pathogenesis of the disease
remains unclear. In addition to their role in hemostasis, platelets have the
capacity to influence the activation state and function of other immune cells
during inflammation and to facilitate granulocyte recruitment into the tissues.
Platelets also possess a repertoire of potent preformed mediators of inflammation
that are released on activation and are a rich source of newly synthesized lipid
mediators that alter vascular permeability and smooth muscle tone. Accordingly,
platelet activity has been linked to diverse inflammatory diseases, including
asthma. Both human and animal studies strongly suggest that platelet activity is
uniquely associated with the pathophysiology of AERD. This article summarizes the
evidence supporting an effector role for platelets in asthmatic patients in
general and in patients with AERD in particular and considers the potential
therapeutic implications.