Selection of Implantation Sites for Transplantation of Encapsulated Pancreatic Islets. 2018

Haitao Zhu, and Wenjing Li, and Zhongwei Liu, and Wenliang Li, and Niuniu Chen, and Linlin Lu, and Wei Zhang, and Zhen Wang, and Bo Wang, and Kaili Pan, and Xiaoge Zhang, and Guoqiang Chen
1 Department of Pediatrics (No. 3 Ward), Northwest Women's and Children's Hospital , Xi'an, China .

Pancreatic islet transplantation has been validated as a valuable therapy for type 1 diabetes mellitus patients with exhausted insulin treatment. However, this therapy remains limited by the shortage of donor and the requirement of lifelong immunosuppression. Islet encapsulation, as an available bioartificial pancreas (BAP), represents a promising approach to enable protecting islet grafts without or with minimal immunosuppression and possibly expanding the donor pool. To develop a clinically implantable BAP, some key aspects need to be taken into account: encapsulation material, capsule design, and implant site. Among them, the implant site exerts an important influence on the engraftment, stability, and biocompatibility of implanted BAP. Currently, an optimal site for encapsulated islet transplantation may include sufficient capacity to host large graft volumes, portal drainage, ease of access using safe and reproducible procedure, adequate blood/oxygen supply, minimal immune/inflammatory reaction, pliable for noninvasive imaging and biopsy, and potential of local microenvironment manipulation or bioengineering. Varying degrees of success have been confirmed with the utilization of liver or extrahepatic sites in an experimental or preclinical setting. However, the ideal implant site remains to be further engineered or selected for the widespread application of encapsulated islet transplantation.

UI MeSH Term Description Entries
D003922 Diabetes Mellitus, Type 1 A subtype of DIABETES MELLITUS that is characterized by INSULIN deficiency. It is manifested by the sudden onset of severe HYPERGLYCEMIA, rapid progression to DIABETIC KETOACIDOSIS, and DEATH unless treated with insulin. The disease may occur at any age, but is most common in childhood or adolescence. Diabetes Mellitus, Brittle,Diabetes Mellitus, Insulin-Dependent,Diabetes Mellitus, Juvenile-Onset,Diabetes Mellitus, Ketosis-Prone,Diabetes Mellitus, Sudden-Onset,Diabetes, Autoimmune,IDDM,Autoimmune Diabetes,Diabetes Mellitus, Insulin-Dependent, 1,Diabetes Mellitus, Type I,Insulin-Dependent Diabetes Mellitus 1,Juvenile-Onset Diabetes,Type 1 Diabetes,Type 1 Diabetes Mellitus,Brittle Diabetes Mellitus,Diabetes Mellitus, Insulin Dependent,Diabetes Mellitus, Juvenile Onset,Diabetes Mellitus, Ketosis Prone,Diabetes Mellitus, Sudden Onset,Diabetes, Juvenile-Onset,Diabetes, Type 1,Insulin Dependent Diabetes Mellitus 1,Insulin-Dependent Diabetes Mellitus,Juvenile Onset Diabetes,Juvenile-Onset Diabetes Mellitus,Ketosis-Prone Diabetes Mellitus,Sudden-Onset Diabetes Mellitus
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D016381 Islets of Langerhans Transplantation The transference of pancreatic islets within an individual, between individuals of the same species, or between individuals of different species. Grafting, Islets of Langerhans,Pancreatic Islets Transplantation,Transplantation, Islets of Langerhans,Transplantation, Pancreatic Islets,Islands of Langerhans Transplantation,Islands of Pancreas Transplantation,Islet Transplantation,Transplantation, Islands of Langerhans,Transplantation, Islands of Pancreas,Transplantation, Islet,Islet Transplantations,Islets Transplantation, Pancreatic,Transplantations, Islet
D050417 Insulin-Secreting Cells A type of pancreatic cell representing about 50-80% of the islet cells. Beta cells secrete INSULIN. Pancreatic beta Cells,beta Cells, Pancreatic,Pancreatic B Cells,B Cell, Pancreatic,B Cells, Pancreatic,Cell, Insulin-Secreting,Cells, Insulin-Secreting,Insulin Secreting Cells,Insulin-Secreting Cell,Pancreatic B Cell,Pancreatic beta Cell,beta Cell, Pancreatic
D018914 Cells, Immobilized Microbial, plant, or animal cells which are immobilized by attachment to solid structures, usually a column matrix. A common use of immobilized cells is in biotechnology for the bioconversion of a substrate to a particular product. (From Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed) Immobilized Cells,Cell, Immobilized,Immobilized Cell
D021522 Bioartificial Organs Artificial organs that are composites of biomaterials and cells. The biomaterial can act as a membrane (container) as in BIOARTIFICIAL LIVER or a scaffold as in bioartificial skin. Bioartificial Organ,Organ, Bioartificial,Organs, Bioartificial

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