ArticleAmerican journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons2014
Enhancing human islet transplantation by localized release of trophic factors from PLG scaffolds.
Article in American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
What it found
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The trial behind it
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Who cites it
24 citing papers in PubMed, 49 citations in OpenAlex.
- A novel self-assembling peptide nanofiber hydrogel with glucagon-like peptide-1 functionality enhances islet survival to improve islet transplantation outcome in diabetes treatment.Journal of nanobiotechnology · 2024Article
- A gelatin hydrogel nonwoven fabric improves outcomes of subcutaneous islet transplantation.Scientific reports · 2023Article
- Extrahepatic transplantation of 3D cultured stem cell-derived islet organoids on microporous scaffolds.Biomaterials science · 2023Article
- Restoring normal islet mass and function in type 1 diabetes through regenerative medicine and tissue engineering.The lancet. Diabetes & endocrinology · 2021Review
- Modulation of adipocyte size and fat pad weight via resveratrol releasing scaffolds implanted into the epididymal adipose tissue.Journal of biomedical materials research. Part A · 2021Article
- Integration of Islet/Beta-Cell Transplants with Host Tissue Using Biomaterial Platforms.Endocrinology · 2020Review
- A Collagen Based Cryogel Bioscaffold that Generates Oxygen for Islet Transplantation.Advanced functional materials · 2020Article
- Biologically inspired approaches to enhance human organoid complexity.Development (Cambridge, England) · 2019Review
- An elastin-based vasculogenic scaffold promotes marginal islet mass engraftment and function at an extrahepatic site.Journal of immunology and regenerative medicine · 2019Article
- Review
- Resveratrol Delivery from Porous Poly(lactide- co-glycolide) Scaffolds Promotes an Anti-Inflammatory Environment within Visceral Adipose Tissue.ACS applied materials & interfaces · 2018Article
- Evaluation of encapsulating and microporous nondegradable hydrogel scaffold designs on islet engraftment in rodent models of diabetes.Biotechnology and bioengineering · 2018Article
- Microporous Polymer Scaffolds for the Transplantation of Embryonic Stem Cell Derived Pancreatic Progenitors to a Clinically Translatable Site for the Treatment of Type I Diabetes.ACS biomaterials science & engineering · 2018Article
- 3D-Models of Insulin-Producing β-Cells: from Primary Islet Cells to Stem Cell-Derived Islets.Stem cell reviews and reports · 2018Review
- Evaluation of biomaterial scaffold delivery of IL-33 as a localized immunomodulatory agent to support cell transplantation in adipose tissue.Journal of immunology and regenerative medicine · 2018Article
- An engineered macroencapsulation membrane releasing FTY720 to precondition pancreatic islet transplantation.Journal of biomedical materials research. Part B, Applied biomaterials · 2018Article
- Article
- Immune Tolerance for Autoimmune Disease and Cell Transplantation.Annual review of biomedical engineering · 2016Review
- Report from IPITA-TTS Opinion Leaders Meeting on the Future of β-Cell Replacement.Transplantation · 2016Article
- Transforming growth factor-beta 1 delivery from microporous scaffolds decreases inflammation post-implant and enhances function of transplanted islets.Biomaterials · 2016Article
Corrections and comments
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
Abstract
Islet transplantation represents a potential cure for type 1 diabetes, yet the clinical approach of intrahepatic delivery is limited by the microenvironment. Microporous scaffolds enable extrahepatic transplantation, and the microenvironment can be designed to enhance islet engraftment and function. We investigated localized trophic factor delivery in a xenogeneic human islet to mouse model of islet transplantation. Double emulsion microspheres containing exendin-4 (Ex4) or insulin-like growth factor-1 (IGF-1) were incorporated into a layered scaffold design consisting of porous outer layers for islet transplantation and a center layer for sustained factor release. Protein encapsulation and release were dependent on both the polymer concentration and the identity of the protein. Proteins retained bioactivity upon release from scaffolds in vitro. A minimal human islet mass transplanted on Ex4-releasing scaffolds demonstrated significant improvement and prolongation of graft function relative to blank scaffolds carrying no protein, and the release profile significantly impacted the duration over which the graft functioned. Ex4-releasing scaffolds enabled better glycemic control in animals subjected to an intraperitoneal glucose tolerance test. Scaffolds releasing IGF-1 lowered blood glucose levels, yet the reduction was insufficient to achieve euglycemia. Ex4-delivering scaffolds provide an extrahepatic transplantation site for modulating the islet microenvironment to enhance islet function posttransplant.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.