Articles tagged "Stem cells"

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…
2020 American Transplant Congress
Exosomes Derived from MSC Ameliorate Renal Ischemic-Reperfusion Injury Through Inhibiting Inflammation and Cell Apoptosis
Y. Jia, M. Xu, T. Zhu
Shanghai Key Laboratory of Organ Transplantation, Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
*Purpose: Investigate the underlying mechanism of mesenchymal stem cells (MSCs) on protection of renal ischemia reperfusion injury (IRI) .*Methods: Exosomes originated from MSCs (MSC-ex) were…
2020 American Transplant Congress
Mesenchymal Stromal Cell Treatment of Kidneys During Normothermic Machine Perfusion is Safe and Feasible with Effective Traceability after Transplantation
K. Rozenberg¹, S. Lohmann², M. Pool³, M. Eijken⁴, U. Møldrup⁵, B. Møller⁶, J. Sierra-Parraga⁷, M. Hoogduijn⁷, L. Lo Faro¹, C. Moers³, J. Hunter¹, A. Keller², H. Leuvenink³, C. Baan⁷, R. Ploeg¹, B. Jespersen²
¹Nuffield Department of Surgical Sciences, University of Oxford, Oxford, United Kingdom, ²Department of Clinical Medicine, Aarhus University, Aarhus, Denmark, ³Department of Surgery, University Medical Center Groningen, Groningen, Netherlands, ⁴Department of Renal Medicine, Aarhus University, Aarhus, Denmark, ⁵Department of Urology, Aarhus University, Aarhus, Denmark, ⁶Department of Clinical Immunology, Aarhus University, Aarhus, Denmark, ⁷Department of Internal Medicine, Nephrology and Transplantation, Erasmus MC, University Medical Center, Rotterdam, Netherlands
*Purpose: Marginal kidneys are increasingly being accepted to decrease waiting time for a transplant. Normothermic machine perfusion (NMP) is a technique that allows delivery of…
2020 American Transplant Congress
microRNA-223 in MSCS-Derived Exosomes Protects Against Renal Ischemia/Reperfusion Injury Through Inhibiting Pyroptosis Pathway via Directly Targeting NLRP3
C. Ding, W. Xue
Department of Renal Transplantation, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
*Purpose: miR-223 is a well-studied miRNA that has been tested for abnormal expression in many diseases, and it has been found to play a regulatory…
2020 American Transplant Congress
Stem Cell and Novel Neurotrophic Factors to Promote Functional Outcomes in Limb Transplantation
S. K. Salgar, J. Weiss, C. Phillips, E. Malin, V. Gorantla, J. Harding
Clinical Investigation, Madigan Army Medical Center, Tacoma, WA
*Purpose: Recently, transplantation of hand and face has become a new clinical specialty. The objective of this study was to determine whether adult Mesenchymal Stem…
2020 American Transplant Congress
Ischemic and Perfused Kidney Treated with Non-Cultured Adipose-Derived Regenerative Cells Increase the Immune and Regulatory Transcriptome
R. Lathan¹, R. Ghita¹, R. Touyz¹, M. Clancy², P. Mark¹
¹Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, United Kingdom, ²Renal Transplant Unit, Queen Elizabeth University Hospital, Glasgow, United Kingdom
*Purpose: Studies in our rat model of ischemic reperfusion injury (IRI) demonstrate improved kidney function post injection of non-cultured autologous adipose-derived regenerative cells (ADRC). The…
2020 American Transplant Congress
Gal9/Tim-3 Pathway was Required for Endometrial Stem Cells to Induce Peripheral Tolerance of Cardiac Allograft
Y. Zhao¹, Y. Hu¹, D. Yu¹, X. Li¹, W. Jin¹, Y. Qin¹, D. Kong¹, H. Wang¹, A. Alessandrini², H. Wang¹
¹Tianjin Medical University General Hospital, Tianjin, China, ²Massachusetts General Hospital, Boston, MA
*Purpose: The existing immunosuppressants seem to have little effect on Cardiac Allograft Vasculopathy but with obvious side effects. ERCs (Endometrial stem Cells), which are mesenchymal-like…
2020 American Transplant Congress
Novel Mechanism of Immune Evasion by Human Neonatal Cardiac Progenitor Cells Recovers Ailing Myocardium in Rat Myocardial Infarct Model
M. Gunasekaran, R. Mishra, S. Sharma, P. Saha, L. Wang, M. Yasir Arfat, L. Davidson, X. Fu, A. Shah, M. Abdullah, D. Li, S. Kaushal
Surgery, University of Maryland, Baltimore, MD
*Purpose: Immune rejection of transplanted stem/progenitor cells is a major stumbling block in designing effective therapy for myocardial infarction (MI). Human neonatal cardiac progenitor cells…