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Mol Med Rep. 2016 Nov;14(5):4374-4382. doi: 10.3892/mmr.2016.5756. Epub 2016 Sep 21.

CD38 gene-modified dendritic cells inhibit murine asthma development by increasing IL-12 production and promoting Th1 cell differentiation.

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Department of Respiratory Medicine, Nanjing Medical University, Affiliated Hangzhou Hospital (Hangzhou First People's Hospital), Hangzhou, Zhejiang 310006, P.R. China.
Department of Cardiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310003, P.R. China.
Division of Infection Disease, Zhejiang Key Laboratory for Neonatal Diseases, Children Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, P.R. China.
Department of Gynecology and Obstetrics, The Second Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325035, P.R. China.
Department of Oncology, Hangzhou First People's Hospital, Hangzhou Hospital Affiliated to Nanjing Medical University, Hangzhou, Zhejiang 310006, P.R. China.


Predominant T helper (Th)2 and impaired Th1 cell polarization has a crucial role in the development of asthma. Cluster of differentiation (CD)38 is associated with the increased release of interleukin (IL)‑12 from dendritic cells (DCs) and DC‑induced Th1 cell polarization. However, whether CD38 expression affects DC function in asthma development remains unknown. In the current study, adenoviruses were constructed containing the murine CD38 gene. Overexpression of CD38 protein level in DCs induced from bone‑marrow derived DCs (BMDCs) by recombinant mouse granulocyte macrophage colony‑stimulating factor and IL‑4 was achieved through 24 h adenovirus infection. The results demonstrated that BMDCs with CD38 overexpression exhibited no phenotypic change; however, following stimulation with lipopolysaccharide (LPS), maturation and IL‑12 secretion were increased. In addition, CD38‑overexpressing BMDCs stimulated with LPS exhibited more effective Th1 cell differentiation. Mice that were administered CD38‑overexpressing BMDCs exhibited milder symptoms of asthma. Furthermore, decreased IL‑4, IL‑5 and IL‑13 levels were detected in bronchoalveolar lavage fluid (BALF), reduced immunoglobulin E levels were measured in the sera, and increased interferon‑γ was detected in BALF from the recipients of CD38‑overexpressing BMDCs. Increased phosphorylated‑p38 expression was also detected in LPS-stimulated CD38-overexpressing BMDCs, whereas pretreatment with a p38‑specific inhibitor was able to abolish the effects of LPS stimulation and CD38 overexpression on IL‑12 release and Th1 cell differentiation in BMDCs. These results suggested that CD38 may be involved in the DC function of alleviating asthma via restoration of the Th1/Th2 balance, thus providing a novel strategy for asthma therapy.

[Indexed for MEDLINE]

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