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. Author manuscript; available in PMC: 2018 Jul 1.
Published in final edited form as: Immunol Rev. 2017 Jul;278(1):63–86. doi: 10.1111/imr.12561

Table 1.

Asthma Pathogenesis.

Trigger Allergen Exposure Virus Infection Diesel Exhaust/Ozone Smoking
Predominant pathway Th2, IgE Th1, LT Thl, LT Thl, LT
Predominant cell type Eosinophils CD4 T cells Neutrophils CD8 T cells Neutrophils CD8 T cells Neutrophils CD8 T cells

LT: leukotrienes