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2017 ; 278
(1
): 20-40
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Modeling T(H) 2 responses and airway inflammation to understand fundamental
mechanisms regulating the pathogenesis of asthma
#MMPMID28658543
Foster PS
; Maltby S
; Rosenberg HF
; Tay HL
; Hogan SP
; Collison AM
; Yang M
; Kaiko GE
; Hansbro PM
; Kumar RK
; Mattes J
Immunol Rev
2017[Jul]; 278
(1
): 20-40
PMID28658543
show ga
In this review, we highlight experiments conducted in our laboratories that have
elucidated functional roles for CD4(+) T-helper type-2 lymphocytes (T(H) 2
cells), their associated cytokines, and eosinophils in the regulation of hallmark
features of allergic asthma. Notably, we consider the complexity of type-2
responses and studies that have explored integrated signaling among classical
T(H) 2 cytokines (IL-4, IL-5, and IL-13), which together with CCL11 (eotaxin-1)
regulate critical aspects of eosinophil recruitment, allergic inflammation, and
airway hyper-responsiveness (AHR). Among our most important findings, we have
provided evidence that the initiation of T(H) 2 responses is regulated by airway
epithelial cell-derived factors, including TRAIL and MID1, which promote T(H) 2
cell development via STAT6-dependent pathways. Further, we highlight studies
demonstrating that microRNAs are key regulators of allergic inflammation and
potential targets for anti-inflammatory therapy. On the background of T(H) 2
inflammation, we have demonstrated that innate immune cells (notably, airway
macrophages) play essential roles in the generation of steroid-resistant
inflammation and AHR secondary to allergen- and pathogen-induced exacerbations.
Our work clearly indicates that understanding the diversity and spatiotemporal
role of the inflammatory response and its interactions with resident airway cells
is critical to advancing knowledge on asthma pathogenesis and the development of
new therapeutic approaches.
|*Models, Biological
[MESH]
|Animals
[MESH]
|Anti-Asthmatic Agents/pharmacology/therapeutic use
[MESH]
|Antibodies, Anti-Idiotypic/pharmacology/therapeutic use
[MESH]