Artificial cell microencapsulated stem cells in regenerative medicine, tissue engineering and cell therapy.
Adult stem cells, especially isolated from bone marrow, have been extensively investigated in recent years. Studies focus on their multiple plasticity oftransdifferentiating into various cell lineages and on their potential in cellular therapy in regenerative medicine. In many cases, there is the need for tissue engineering manipulation. Among the different approaches of stem cells tissue engineering, microencapsulation can immobilize stem cells to provide a favorable microenvironment for stem cells survival and functioning. Furthermore, microencapsulated stem cells are immunoisolated after transplantation. We show that one intraperitoneal injection of microencapsulated bone marrow stem cells can prolong the survival of liver failure rat models with 90% of the liver removed surgically. In addition to transdifferentiation, bone marrow stem cells can act as feeder cells. For example, when coencapsulated with hepatocytes, stem cells can increase the viability and function of the hepatocytes in vitro and in vivo.
Liu
Zun Chang
ZC
Artificial Cells and Organs Research Centre, Department of Physiology, Faculty of Medicine, McGill University, Montreal, Quebec, Canada.
Chang
Thomas Ming Swi
TM
D053687:Adult Stem Cells / Q000166:cytology / Q000502:physiology* / Q000637:transplantation; D000818:Animals; D001854:Bone Marrow Cells / Q000166:cytology / Q000502:physiology; D016026:Bone Marrow Transplantation; D019070:Cell Lineage; D002470:Cell Survival; D004339:Drug Compounding; D022781:Hepatocytes / Q000166:cytology / Q000502:physiology; D006801:Humans; D008099:Liver / Q000166:cytology / Q000502:physiology; D008567:Membranes, Artificial; D045164:Mesenchymal Stem Cell Transplantation; D059630:Mesenchymal Stem Cells / Q000166:cytology / Q000502:physiology*; D044968:Regenerative Medicine / Q000379:methods*; D023822:Tissue Engineering / Q000379:methods*
D008567:Membranes, Artificial
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