Search Results - "Smink, Alexandra M"
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Acetate and Butyrate Improve β-cell Metabolism and Mitochondrial Respiration under Oxidative Stress
Published in International journal of molecular sciences (24-02-2020)“…Islet dysfunction mediated by oxidative and mitochondrial stress contributes to the development of type 1 and 2 diabetes. Acetate and butyrate, produced by gut…”
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Zwitterionically modified alginates mitigate cellular overgrowth for cell encapsulation
Published in Nature communications (20-11-2019)“…Foreign body reaction (FBR) to implanted biomaterials and medical devices is common and can compromise the function of implants or cause complications. For…”
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3
The directed differentiation of human iPS cells into kidney podocytes
Published in PloS one (28-09-2012)“…The loss of glomerular podocytes is a key event in the progression of chronic kidney disease resulting in proteinuria and declining function. Podocytes are…”
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A Retrievable, Efficacious Polymeric Scaffold for Subcutaneous Transplantation of Rat Pancreatic Islets
Published in Annals of surgery (01-07-2017)“…OBJECTIVE:We aim on developing a polymeric ectopic scaffold in a readily accessible site under the skin. SUMMARY BACKGROUND DATA:The liver as transplantation…”
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Mechanisms of Foreign Body Giant Cell Formation in Response to Implantable Biomaterials
Published in Polymers (01-03-2023)“…Long term function of implantable biomaterials are determined by their integration with the host's body. Immune reactions against these implants could impair…”
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Enzymes for Pancreatic Islet Isolation Impact Chemokine-Production and Polarization of Insulin-Producing β-Cells with Reduced Functional Survival of Immunoisolated Rat Islet-Allografts as a Consequence
Published in PloS one (01-01-2016)“…The primary aim of this study was to determine whether normal variations in enzyme-activities of collagenases applied for rat-islet isolation impact longevity…”
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7
Successful Islet Transplantation Into a Subcutaneous Polycaprolactone Scaffold in Mice and Pigs
Published in Transplantation direct (01-01-2023)“…Islet transplantation is a promising treatment for type 1 diabetes. It has the potential to improve glycemic control, particularly in patients suffering from…”
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In vitro determination of the immunosuppressive effect, internalization, and release mechanism of squalene-gusperimus nanoparticles for managing inflammatory responses
Published in Artificial cells, nanomedicine, and biotechnology (01-01-2021)“…Gusperimus is an anti-inflammatory drug that has shown to be effective in managing autoimmunity and preventing graft rejection. This is unstable and easily…”
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Impact of Exogenous Nitric Oxide Treatment on Vascularization of a Subcutaneous Device for Cell Transplantation
Published in Macromol (01-09-2022)“…Subcutaneous polymer scaffolds have shown potential for creating an optimal transplantation site in cellular replacement therapy, e.g., when transplanting…”
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In Vitro Studies of Squalene‐Gusperimus Nanoparticles in Islet‐Containing Alginate Microcapsules to Regulate the Immune Response in the Immediate Posttransplant Period
Published in Advanced NanoBiomed Research (Online) (01-11-2021)“…Grafting of microencapsulated pancreatic islets has been proposed as an alternative to exogenous insulin for the treatment of type 1 diabetes mellitus…”
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Enhancing longevity of immunoisolated pancreatic islet grafts by modifying both the intracapsular and extracapsular environment
Published in Acta biomaterialia (01-09-2023)“…Type 1 diabetes mellitus (T1DM) is a chronic metabolic disease characterized by autoimmune destruction of pancreatic β cells. Transplantation of immunoisolated…”
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Therapeutic Strategies for Modulating the Extracellular Matrix to Improve Pancreatic Islet Function and Survival After Transplantation
Published in Current diabetes reports (01-07-2018)“…Purposes of Review Extracellular matrix (ECM) components modulate the interaction between pancreatic islet cells. During the islet isolation prior to…”
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The Effect of a Fast-Releasing Hydrogen Sulfide Donor on Vascularization of Subcutaneous Scaffolds in Immunocompetent and Immunocompromised Mice
Published in Biomolecules (Basel, Switzerland) (06-05-2020)“…Islet transplantation into subcutaneous polymer scaffolds has shown to successfully induce normoglycemia in type 1 diabetes models. Vascularization of these…”
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230-LB: A Composite Capsule Strategy Support Longevity of Microencapsulated Pancreatic ß Cells
Published in Diabetes (New York, N.Y.) (20-06-2023)“…Microencapsulation of islets in immunoprotective membranes offers an alternative treatment for type 1 diabetes in absence of systemic immunosuppression…”
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Low methyl-esterified pectin protects pancreatic β-cells against diabetes-induced oxidative and inflammatory stress via galectin-3
Published in Carbohydrate polymers (01-12-2020)“…•Pectins prevent pancreatic β-cell damage during oxidative and inflammatory stress.•Pectin with lower DM value is more efficacious than higher-DM pectins in…”
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Toll-like receptor 2-modulating pectin-polymers in alginate-based microcapsules attenuate immune responses and support islet-xenograft survival
Published in Biomaterials (01-01-2021)“…Encapsulation of pancreatic islets in alginate-microcapsules is used to reduce or avoid the application of life-long immunosuppression in preventing rejection…”
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Extracellular matrix inclusion in immunoisolating alginate-based microcapsules promotes longevity, reduces fibrosis, and supports function of islet allografts in vivo
Published in Acta biomaterialia (01-03-2023)“…Immunoisolation of pancreatic-islets in alginate-microcapsules is applied to treat diabetes. However, long-term islet function is limited, which might be due…”
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Necrostatin‐1 releasing nanoparticles: In vitro and in vivo efficacy for supporting immunoisolated islet transplantation outcomes
Published in Journal of biomedical materials research. Part A (01-02-2024)“…Immunoisolation of pancreatic islets in alginate microcapsules allows for transplantation in the absence of immunosuppression but graft survival time is still…”
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Applying Immunomodulation to Promote Longevity of Immunoisolated Pancreatic Islet Grafts
Published in Tissue engineering. Part B, Reviews (01-02-2022)“…Islet transplantation is a promising therapy for insulin-dependent diabetes, but large-scale application is hampered by the lack of a consistent source of…”
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Inclusion of extracellular matrix molecules and necrostatin-1 in the intracapsular environment of alginate-based microcapsules synergistically protects pancreatic β cells against cytokine-induced inflammatory stress
Published in Acta biomaterialia (01-07-2022)“…Immunoisolation of pancreatic islets in alginate-based microcapsules is a promising approach for grafting of islets in absence of immunosuppression. However,…”
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