Abstract:
:Acute lung injury (ALI) is among the most common causes of mortality in intensive care units. Recent in vivo and in vitro studies have suggested that mesenchymal stem cells (MSCs) attenuate pulmonary edema and inflammatory factors, but the mechanisms of the effects of MSCs on pulmonary vascular function remain unknown. It is believed that nitric oxide (NO) and endothelial nitric oxide synthase (eNOS) play an essential role in the regulation of vascular function and homeostasis. In the present study, we investigated the effect of adipose tissue-derived stem cells (ADSCs) on pulmonary microvascular endothelial cells (PMVECs) and the lung in a lipopolysaccharide (LPS)-induced ALI model in vitro and in vivo. Our results showed that ADSCs were able to attenuate the severity of ALI and pulmonary edema. Increased expression of the eNOS protein was also observed in pulmonary PMVECs and in the lung following treatment with ADSCs. Furthermore, ADSCs increased the concentration of eNOS-derived NO to remodel ALI. The results suggest that ADSCs may be a promising candidate for ALI treatment through interaction with eNOS and eNOS-derived NO.
journal_name
Int J Mol Medjournal_title
International journal of molecular medicineauthors
Gao P,Yang X,Mungur L,Kampo S,Wen Qdoi
10.3892/ijmm.2013.1328subject
Has Abstractpub_date
2013-06-01 00:00:00pages
1313-8issue
6eissn
1107-3756issn
1791-244Xjournal_volume
31pub_type
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