iPSC-derived mesenchymal stem cells exert SCF-dependent recovery of cigarette smoke-induced apoptosis/proliferation imbalance in airway cells

被引:51
|
作者
Li, Xiang [1 ]
Zhang, Yuelin [1 ,2 ]
Liang, Yingmin [1 ]
Cui, Yuting [1 ]
Yeung, Sze C. [1 ]
Ip, Mary S. M. [1 ,3 ]
Tse, Hung-fat [1 ]
Lian, Qizhou [1 ,2 ,3 ,4 ]
Mak, Judith C. W. [1 ,3 ,4 ,5 ]
机构
[1] Univ Hong Kong, Dept Med, Hong Kong, Hong Kong, Peoples R China
[2] Univ Hong Kong, Dept Ophthalmol, Hong Kong, Hong Kong, Peoples R China
[3] Univ Hong Kong, Res Ctr Heart Brain Hormone & Hlth Aging, Hong Kong, Hong Kong, Peoples R China
[4] Univ Hong Kong, Shenzhen Inst Res & Innovat, Hong Kong, Hong Kong, Peoples R China
[5] Univ Hong Kong, Dept Pharmacol & Pharm, Hong Kong, Hong Kong, Peoples R China
关键词
apoptosis; cigarette smoke; mesenchymal stem cell; proliferation; stem cell factor; OBSTRUCTIVE PULMONARY-DISEASE; STROMAL CELLS; LUNG BIOLOGY; COPD; APOPTOSIS; PATHOGENESIS; EMPHYSEMA; THERAPIES; MORTALITY; CAPACITY;
D O I
10.1111/jcmm.12962
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
Mesenchymal stem cells (MSCs) have emerged as a potential cell-based therapy for pulmonary emphysema in animal models. Our previous study demonstrated that human induced pluripotent stem cell-derived MSCs (iPSC-MSCs) were superior over bone marrow-derived MSCs (BM-MSCs) in attenuating cigarette smoke (CS)-induced airspace enlargement possibly through mitochondrial transfer. This study further investigated the effects of iPSC-MSCs on inflammation, apoptosis, and proliferation in a CS-exposed rat model and examined the effects of the secreted paracrine factor from MSCs as another possible mechanism in an in vitro model of bronchial epithelial cells. Rats were exposed to 4% CS for 1 hr daily for 56 days. At days 29 and 43, human iPSC-MSCs or BM-MSCs were administered intravenously. We observed significant attenuation of CS-induced elevation of circulating 8-isoprostane and cytokine-induced neutrophil chemoattractant-1 after iPSC-MSC treatment. In line, a superior capacity of iPSC-MSCs was also observed in ameliorating CS-induced infiltration of macrophages and neutrophils and apoptosis/proliferation imbalance in lung sections over BM-MSCs. In support, the conditioned medium (CdM) from iPSC-MSCs ameliorated CS medium-induced apoptosis/proliferation imbalance of bronchial epithelial cells in vitro. Conditioned medium from iPSC-MSCs contained higher level of stem cell factor (SCF) than that from BM-MSCs. Deprivation of SCF from iPSC-MSC-derived CdM led to a reduction in anti-apoptotic and pro-proliferative capacity. Taken together, our data suggest that iPSC-MSCs may possess anti-apoptotic/pro-proliferative capacity in the in vivo and in vitro models of CS-induced airway cell injury partly through paracrine secretion of SCF.
引用
收藏
页码:265 / 277
页数:13
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