期刊
JOURNAL OF CELLULAR PHYSIOLOGY
卷 235, 期 2, 页码 1838-1849出版社
WILEY
DOI: 10.1002/jcp.29101
关键词
airway inflammation; asthma; cholinergic anti-inflammatory pathway; neostigmine; oxidative stress
资金
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES, Brazil) [23038.008562/2010-50]
Asthma is characterized by the influx of inflammatory cells, especially of eosinophils as well as reactive oxygen species (ROS) production, driven by the release of the T helper 2 (Th2)-cell-associated cytokines. The cholinergic anti-inflammatory pathway (CAP) inhibit cytokines production and controls inflammation. Thus, we investigated the effects of pharmacological activation of CAP by neostigmine on oxidative stress and airway inflammation in an allergic asthma model. After the OVA challenge, mice were treated with neostigmine. We showed that CAP activation by neostigmine reduced the levels of pro-inflammatory cytokines (IL-4, IL-5, IL-13, IL-1 beta, and TNF-alpha), which resulted in a decrease of eosinophils influx. Furthermore, neostigmine also conferred airway protection against oxidative stress, attenuating ROS production through the increase of antioxidant defense, evidenced by the catalase (CAT) activity. We propose, for the first time, that pharmacological activation of the CAP can lead to new possibilities in the therapeutic management of allergic asthma.
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