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MRI tracking of human Wharton’s jelly stem cells seeded onto acellular dermal matrix labeled with superparamagnetic iron oxide nanoparticles in burn wounds

引用

Burns & Trauma 2022年第1期10卷 129-141页

作者： Davood Mehrabani Mehra Nazempour Rouhollah Mehdinavaz-Aghdam Seyedeh-Sara Hashemi Reza Jalli Mahdi Saeedi Moghadam Shahrokh Zare iman jamhiri Javad Moayedi Feridoun Karimi-Busheri Stem Cell Technology Research Center Shiraz University of Medical SciencesShirazFars T6G 2E171348-14336Iran Burn and Wound Healing Research Center Shiraz University of Medical SciencesShirazFars 71987-74731Iran Comparative and Experimental Medicine Center Shiraz University of Medical SciencesShirazFars 71348-14336Iran Li Ka Shing Center for Health Research and Innovation University of AlbertaEdmontonAlbertaCanada Department of Biomedical and Tissue Engineering Science and Research BranchIslamic Azad UniversityTehranIran School of Metallurgy and Materials Engineering College of EngineeringUniversity of TehranTehran ***Iran Medical Imaging Research Center Department of RadiologyShiraz University of Medical SciencesShirazFars 71348-14336Iran Department of Biochemistry School of Biotechnology and AgricultureShiraz BranchIslamic Azad UniversityShirazFars 71987-74731Iran Department of Oncology Faculty of MedicineUniversity of AlbertaEdmontonAlbertaT6G 1Z2Canada

Background:In vivo cell tracking after transplantation in regenerative medicine remains an unmet challenge and limits current understanding of the wound healing mechanism through cell-based *** study investigated tracking of human Wharton’s jelly stem cells(hWJSCs)seeded onto an acellular dermal matrix(ADM)and labeled with superparamagnetic iron oxide nanoparti-cles(SPIONs)by magnetic resonance imaging(MRI)in burn ***:The hWJSCs were characterized and assessed for growth kinetics.A total of 30 rats were enrolled in three equal *** 1 underwent scald burn injury left without treatment,the group 2 was treated by an ADM that was prepared from cosmetic surgery skin samples and the group 3 received hWJSCs labeled with SPIONs seeded onto an *** strength was evaluated before and after interventions,real time PCR assessed apoptosis,and Prussian blue staining,scanning electron microscopy(SEM)and MRI were used for the tracking of labeled ***:The hWJSCs exhibited mesenchymal stem cell *** doubling time was 40.1 *** did not show any toxic *** hWJSCs seeded onto an ADM decreased Bax and increased Bcl-2 gene *** of SPIONs within hWJSCs was confirmed by Prussian blue staining,SEM and MRI until day *** was a significant difference between the Young’s moduli of normal skin and the group receiving hWJSCs seeded onto an *** observations and SEM imaging confirmed that MRI is an accurate method to track SPION-labeled hWJSCs in ***:This study showed that SPION labeling coupled with MRI can be used to further understand the fate of stem cells after transplantation in a burn model.

关键词： Wharton’s jelly stem cells Superparamagnetic iron oxide nanoparticles Acellular dermal matrix Magnetic resonance imaging Healing Burn

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