PMID- 23635079 OWN - NLM STAT- MEDLINE DCOM- 20131213 LR - 20210915 IS - 1532-2513 (Electronic) IS - 0892-3973 (Linking) VI - 35 IP - 3 DP - 2013 Jun TI - Dihydroartemisinin suppresses ovalbumin-induced airway inflammation in a mouse allergic asthma model. PG - 382-9 LID - 10.3109/08923973.2013.785559 [doi] AB - Asthma is a complex disease characterized by reversible airway obstruction, airway hyper-responsiveness (AHR) and chronic inflammation of the airways. Dihydroartemisinin (DHA), a semi-synthetic derivative of artemisinin isolated from the traditional Chinese herb Artemisia annua, has been shown to possess antimalarial and antitumor activities, but whether it can be used in asthma treatment has not been investigated. In this study, we attempted to determine whether DHA regulates inflammatory mediators in the ovalbumin (OVA)-induced mouse asthma model. BALB/c mice were sensitized and challenged by OVA to induce chronic airway inflammation. The intragastrical administration of DHA at 30 mg/kg significantly decreased the number of infiltrating inflammatory cells, T-helper type 2 (Th2) cytokines, OVA-specific immunoglobulin E (IgE) and AHR. Treatment with DHA also attenuated OVA-induced mRNA expression of Muc5ac and chitinase 3-like protein 4 (Ym2) in lung tissues. In addition, lung histopathological studies revealed that DHA inhibited inflammatory cell infiltration and mucus hypersecretion. Then signal transduction studies showed that DHA significantly inhibited extracellular signal-regulated protein kinase (ERK), p38 mitogen-activated protein kinase phosphorylation. DHA also inhibited nuclear factor-kappaB (NF-kappaB) activation via the inhibition of phosphorylation of IkappaBalpha. These findings provide new insight into the immunopharmacological role of DHA in terms of its effects in a mouse model of asthma. FAU - Wei, Miaomiao AU - Wei M AD - Key Laboratory of Zoonosis, Ministry of Education, Institute of Zoonosis, College of Animal Science and Veterinary Medicine, Jilin University, Changchun, China. FAU - Xie, Xianxing AU - Xie X FAU - Chu, Xiao AU - Chu X FAU - Yang, Xiaofeng AU - Yang X FAU - Guan, Mingfeng AU - Guan M FAU - Wang, Dacheng AU - Wang D LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20130501 PL - England TA - Immunopharmacol Immunotoxicol JT - Immunopharmacology and immunotoxicology JID - 8800150 RN - 0 (Anti-Asthmatic Agents) RN - 0 (Artemisinins) RN - 0 (Cytokines) RN - 0 (Inflammation Mediators) RN - 37341-29-0 (Immunoglobulin E) RN - 6A9O50735X (artenimol) RN - 9006-59-1 (Ovalbumin) SB - IM MH - Animals MH - Anti-Asthmatic Agents/administration & dosage/*therapeutic use MH - Artemisinins/administration & dosage/*therapeutic use MH - Asthma/immunology/pathology/*prevention & control MH - Bronchoalveolar Lavage Fluid/chemistry/cytology/immunology MH - Cytokines/blood/immunology MH - Disease Models, Animal MH - Female MH - Goblet Cells/drug effects/immunology/pathology MH - Immunoglobulin E/blood/immunology MH - Inflammation/immunology/pathology MH - Inflammation Mediators/metabolism MH - Mice MH - Mice, Inbred BALB C MH - Mucus/metabolism MH - Ovalbumin/immunology MH - Respiratory Hypersensitivity/immunology/prevention & control MH - Respiratory System/*drug effects/immunology/pathology MH - Th2 Cells/drug effects/immunology EDAT- 2013/05/03 06:00 MHDA- 2013/12/18 06:00 CRDT- 2013/05/03 06:00 PHST- 2013/05/03 06:00 [entrez] PHST- 2013/05/03 06:00 [pubmed] PHST- 2013/12/18 06:00 [medline] AID - 10.3109/08923973.2013.785559 [doi] PST - ppublish SO - Immunopharmacol Immunotoxicol. 2013 Jun;35(3):382-9. doi: 10.3109/08923973.2013.785559. Epub 2013 May 1.