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Anti-asthmatic effect of pitavastatin through aerosol inhalation is associated with CD4+ CD25+ Foxp3+ T cells in an asthma mouse model.

ABSTRACT: Statins are competitive inhibitors of 3-hydroxy-3-methylglutaryl-CoA (HMG-A) reductase, and studies have shown that statins also have anti-inflammatory and immunomodulatory properties. The purpose of this study was to investigate the anti-asthmatic effects of pitavastatin, a type of statin, in an asthma mouse model. Mice were sensitized and challenged with ovalbumin (OVA) to establish the asthma model. These mice were then treated with inhaled pitavastatin (5?mg/kg) or dexamethasone (2?mg/kg), the latter of which served as a positive control. The results of the study showed that pitavastatin reduced allergen-induced increases in airway resistance and alleviated bronchial tube thickness and goblet cell hyperplasia in lung tissues. In addition, the results showed that pitavastatin inhibited OVA-induced increases in eosinophil counts and total inflammatory cell counts in bronchoalveolar lavage fluid (BALF) and increased the percentage of CD4+ CD25+ Foxp3+ Treg in the BALF of asthmatic mice. IL-4 and IL-17 levels were decreased, whereas IFN-? levels were significantly increased in the BALF of pitavastatin-treated mice compared with the BALF of OVA-challenged mice. These results suggest that pitavastatin has potential as a therapy for allergic airway disease and that its effects are associated with its ability to regulate CD4+ CD25+ Foxp3+ T cell counts.

SUBMITTER: Wu S

PROVIDER: S-EPMC5519711 | biostudies-literature | 2017 Jul

REPOSITORIES: biostudies-literature

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Anti-asthmatic effect of pitavastatin through aerosol inhalation is associated with CD4+ CD25+ Foxp3+ T cells in an asthma mouse model.

Wu Songquan S Yang Ruhui R Wang Guangli G

Scientific reports 20170720 1

Statins are competitive inhibitors of 3-hydroxy-3-methylglutaryl-CoA (HMG-A) reductase, and studies have shown that statins also have anti-inflammatory and immunomodulatory properties. The purpose of this study was to investigate the anti-asthmatic effects of pitavastatin, a type of statin, in an asthma mouse model. Mice were sensitized and challenged with ovalbumin (OVA) to establish the asthma model. These mice were then treated with inhaled pitavastatin (5 mg/kg) or dexamethasone (2 mg/kg), t ...[more]

PMID: 28729731

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Project description:The use of oxygen-driven aerosol inhalation therapy with budesonide (suspension) and terbutaline sulfate for the treatment of pediatric asthmatic bronchitis was studied. Sixty pediatric patients diagnosed with asthmatic bronchitis in Xuzhou Children's Hospital during the period comprising April 2013 to December 2015 were enrolled in the study. After randomly dividing the patients into a control (conventional dexamethasone drip) and a treatment group (inhalation of budesonide with terbutaline sulfate) of 30 patients each, the symptoms were treated using antibiotics when necessary. The results of our evaluation showed the overall effective rate of treatment in the control group was 73.33% (40% with marked improvement, 33.33% with some improvement and 26.67% with no improvement) and that in the treatment group was 96.67% (73.73% with marked improvement, 23.33% with some improvement and only 3.33% with no improvement) with a statistically significant difference (p<0.05). The pulmonary functions of all pediatric patients showed no statistically significant differences in the pulmonary function indexes between the two groups before treatment (p>0.05). However, the differences in FEV1, FVC, FEV1/FVC and PEF between control and treatment groups before and after treatment were statistically significant (p<0.05), with overall improvement being higher in the treatment group. Finally, the erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) level in patients of the two groups improved significantly after treatment (p<0.05). The ESR and CRP level in the treatment group were improved to a higher degree than those in the control group (p<0.05). There were only minor adverse reactions in two patients in the treatment group, and the overall rate of adverse reactions was not significantly different between the two groups (p>0.05). Based on our evaluation the aerosol inhalation therapy of budesonide (suspension) with terbutaline sulfate has definite curative effects and is safe to use on pediatric asthmatic bronchitis patients. The approach is superior to the conventional dexamethasone treatment and is worth studying in larger populations for recommending it widely.

Dataset Information

Anti-asthmatic effect of pitavastatin through aerosol inhalation is associated with CD4+ CD25+ Foxp3+ T cells in an asthma mouse model.

Publications

Anti-asthmatic effect of pitavastatin through aerosol inhalation is associated with CD4+ CD25+ Foxp3+ T cells in an asthma mouse model.

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