Articles tagged "Stem cells"

2020 American Transplant Congress
Construction of Three-Dimensional Vascularized Functional Beta-Cells Tissues Using a Layer-by-Layer Cell Coating Technique
S. Takaichi¹, T. Akagi², Y. Tomimaru¹, S. Kobayashi¹, Y. Iwagami¹, H. Akita¹, T. Noda¹, K. Gotoh¹, Y. Doki¹, M. Akashi², H. Eguchi¹
¹Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita, Japan, ²Building Block Science Joint Research Chair, Graduate School of Frontier Biosciences, Osaka University, Suita, Japan
*Purpose: Regenerative therapy for type I Diabetes Mellitus has been expected to be a promising treatment. A subcutaneous site is an ideal candidate for stem…
2020 American Transplant Congress
Long-term Functional Survival of Human Stem Cell-Derived Islets Microencapsulated in Alginate with CXCL12 in Non-Human Primates without Immunosuppression
M. C. Poznansky¹, D. Alagpulinsa¹, J. Lei², R. Pop³, D. Sobell⁴, M. Chapin¹, S. Collins³, A. Veres³, H. Deng², D. Melton³, J. Markmann²
¹Vaccine and Immunotherapy Center, Massachusetts General Hospital, Charlestown Navy Yard, MA, ²Transplant Surgery, Massachusetts General Hospital, Boston, MA, ³Harvard Stem Cell Institute, Harvard University, Cambridge, MA, ⁴Vaccine and Immunotherapy Center, Massachusetts General Hospital, Boston, MA
*Purpose: Human pluripotent stem cell-derived islet-like cells (SC-islets) represent a practical source for beta-cell replacement to achieve a functional cure for type 1 diabetes. Long-term…
2020 American Transplant Congress
Building Kidneys from Stem Cells for Transplantation
I. M. Rogers¹, J. Whiteley², T. Chow², T. Bongolan², L. Mazilescu³, P. Urbanellis³, S. Ganesh³, M. Selzner³
¹Physiology, University of Toronto, Toronto, ON, Canada, ²LTRI-Sinai Health System, Toronto, ON, Canada, ³MOTU, University Health Network, Toronto, ON, Canada
*Purpose: Our vision is to build a human kidney by combining human stem cells with porcine kidney extracellular matrix.*Methods: Kidneys were decellularized followed by repopulation…
2020 American Transplant Congress
Pancreatic Mesenchymal Stromal Cells (MSC) Contain a Subset of Islet Progenitor Cells Capable of Regenerating Islets and Reversing Diabetes
C. M. Darden¹, S. Vasu², K. Kumano¹, Y. Liu², P. Saravanan³, B. Naziruddin², M. Lawrence²
¹Institute of Biomedical Studies, Waco, TX, ²Baylor University Medical Ctr, Dallas, TX, ³Transplant Surgery Department, VCU, Richmond, VA
*Purpose: To identity islet precursor cells residing in pancreatic MSC culture preparations that contribute to islet regeneration and restoration of islet cell function in both…
2020 American Transplant Congress
Donor Mesenchymal Stem Cells in Combination with Co-Stimulation Blockade Prolong Allograft Survival
A. J. Matar, B. P. Lovasik, S. C. Kim, C. A. Breeden, D. A. Faber, D. V. Mathews, J. Regenold, A. Ghosh, A. Stephenson, W. H. Kitchens, A. B. Adams
Surgery and Transplantation, Emory University, Atlanta, GA
*Purpose: Co-stimulation blockade (CoB) has emerged as a promising immunosuppression strategy and potential alternative to calcineurin inhibitors in solid organ transplantation. Despite recent advancements, CoB…
2020 American Transplant Congress
CD47/SIRPα Signaling Controls TLR4-Driven Inflammatory Response via Regulating the Akt-β-Catenin Axis in Mesenchymal Stem Cell (MSC)-Mediated Immune Regulation in Liver Ischemia and Reperfusion Injury
M. Sheng, Y. Lin, C. Li, Y. Tian, D. Xu, Y. Zhan, A. J. Coito, D. G. Farmer, R. W. Busuttil, J. W. Kupiec-Weglinski, B. Ke
Surgery, Dumont - UCLA Transplant Ctr, Los Angeles, CA
*Purpose: Innate immune-driven local inflammation induced by ischemia/reperfusion injury (IRI) causes hepatic dysfunction and failure following liver transplantation. Although mesenchymal stem cell (MSC)-based therapy has…
2019 American Transplant Congress
AMD3100 (Plerixafor) as a Single-Dose Stem Cell Mobilizing Agent in Vascularized Composite Tissue Allograft (VCA) Transplantation in a Canine DLA-Mismatch Model
B. Swearingen¹, S. Graves², R. Storb², D. W. Mathes¹
¹University of Colorado School of Medicine, Aurora, CO, ²Fred Hutchinson Cancer Research Center, Seattle, WA
*Purpose: Vascularized Composite Allograft (VCA) transplantation is a clinical reality but limited by toxicities of chronic immunosuppression and rejection. Current clinical tolerance protocols rely on…
2019 American Transplant Congress
Pharmacological Mobilization of Host Stem Cells Prevents Delayed Graft Function Following Kidney Transplantation in Rats
W. Wang, L. Qi, J. Huang, A. Ahmadi, A. Krishnan, R. Wesson, A. Cameron, Z. Sun
Johns Hopkins University School of Medicine, Baltimore, MD
*Purpose: Delayed graft function (DGF) caused by ischemia-reperfusion injury (IRI) is an early complication that occurs in nearly a quarter of all deceased-donor kidneys and…
2019 American Transplant Congress
Human Mesenchymal Stem Cells Inhibits Hypoxia-Induced Islets Apoptosis via Regulation of Autophagy
R. Pengfei, X. Yuzhi
The Third Xiang Ya Hospital,Central South University, ChangSha, China
*Purpose: Xenotransplantation of porcine islets has been an emerging and effective option for clinicians to treat type 1 diabetes recently. Comparing with other damage, hypoxic…
2019 American Transplant Congress
Human Neutrophil Function against Pathogens in Solid Organ and Stem Cell Transplant Recipients
N. Barros, N. Alexander, Z. Dagher, S. Knooihuizen, A. Viens, A. R. Hopke, D. Irimia, M. K. Mansour
Transplant Infectious Diseases, Massachusetts General Hospital, Boston, MA
*Purpose: The effects of solid organ (SOT) and allogeneic stem cell transplantation (SCT) on the neutrophil function is not well described. In this study, we…