Articles tagged "Ischemia"

2018 American Transplant Congress
Gene Silencing with p53 si-RNA Downregulates Inflammatory Markers in the Liver: Potential Utilization during Normothermic Machine Preservation
C. Moore,¹ M. Thijssen,^1,2 X. Wang,³ P. Mandrekar,³ E. Xiaofei,³ R. Abdi,⁴ R. Porte,² A. Bozorgzadeh,¹ H. Leuvenink,² T. Kowalik,³ P. Martins.¹
¹Dept of Surgery, University of Massachusetts, Worcester, MA; ²Dept of Surgery, Groningen University, Gronigen, Netherlands; ³Dept of Medicine, Univ. of Massachusetts, Worcester, MA; ⁴Transplant Research Institute, Harvard University, Boston, MA.
Background: RNA interference (RNAi) is a process through which RNA induces the activation of endogenous cellular pathways of RNA degradation, resulting in selective and potent…
2018 American Transplant Congress
Ischemia-Free Liver Transplantation in Pigs: Ischemia Reperfusion Injury is Avoidable?
Z. Guo, X. He, Y. Tang, F. Ji, Z. Zhang, Q. Zhao, S. Huang, Z. Zhu, W. Ju, G. Chen.
Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China.
BACKGROUND&AIMS: In organ transplantation, ischemia and reperfusion injury (IRI) is considered as an inevitable event and the major contributor of graft failure. Great efforts have…
2018 American Transplant Congress
DAP12 and Its Triggering Co-Receptor TREM2 Play Key Roles in Regulation of Mouse and Human Liver DC Function and Control of Liver Ischemia-Reperfusion Injury
T. Nakao,¹ Y. Ono,¹ H. Dai,¹ A. Perez-Gutierrez,¹ G. Camirand,¹ H. Huang,¹ D. Geller,^1,2 A. Thomson.^1,3
¹Thomas E. Starzl Transplantation Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA; ²Liver Cancer Center, University of Pittsburgh Medical Center, Pittsburgh, PA; ³Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA.
Background: Liver interstitial dendritic cells (DCs) have been implicated in the control of liver ischemia/reperfusion injury (IRI) and in the induction of liver transplant tolerance.…
2018 American Transplant Congress
HO-1 Regulates SIRT1– Autophagy Pathway in Liver Transplantation: From Mouse-to-Human
K. Nakamura,¹ S. Kageyama,¹ S. Yue,¹ A. Aziz,¹ T. Ito,¹ D. Oncel,¹ B. Ke,¹ R. Sosa,² E. Reed,² F. Kaldas,¹ R. Busuttil,¹ J. Kupiec-Weglinski.¹
¹Surgery, Division of Liver Transplantation, UCLA, Los Angeles, CA; ²Pathology and Laboratory Medicine, UCLA, Los Angeles, CA.
Liver ischemia-reperfusion injury (IRI) represents a major risk factor for early graft dysfunction and a key obstacle to expanding the donor pool in orthotopic liver…
2018 American Transplant Congress
Hyperglycemia-Triggered ATF6-CHOP Pathway Exacerbates Liver Ischemia/Reperfusion Injury: Immunomodulation by Regulating β-Catenin Signaling
J. Rao,^1,2 C. Yang,¹ Y. Hu,¹ S. Yang,¹ Y. Xia,¹ F. Zhang,¹ X. Wang,¹ Y. Zhai,² L. Lu.^1,2
¹Department of Liver Surgery/Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China; ²Division of Liver and Pancreas Transplantation, Department of Surgery, David Geffen School of Medicine at University of California Los Angeles, Los Angeles.
Background & Aims: Hyperglycemia is a risk factor for hepatic ischemia/reperfusion injury (IRI) during liver transplantation or hepatectomy; however, the underlying mechanism remains unclear. Our…
2018 American Transplant Congress
The Role of Ex Vivo Normothermic Preservation in Minimizing Postreperfusion Syndrome in Liver Transplantation
A. Hassan, J. Cywinski, Q. Liu, D. Pezzati, D. Yang, L. Liu, G. Iuppa, K. Hashimoto, F. Aucejo, M. Fujiki, B. Eghtesad, S. Irefin, J. Fung, K. Abu-Elmagd, C. Miller, C. Quintini.
Transplant Surgery, Cleveland Clinic, Cleveland.
Background:Graft reperfusion holds a major challenge during liver transplantation. NMP may improve post-reperfusion hemodynamics, reduce vasopressor and blood product transfusion.Methods:15 patients with liver transplantation after…
2018 American Transplant Congress
Ischemia-Free Liver Transplantation for Fatty Liver Grafts in Human
W. Ju, S. Huang, Z. Guo, G. Chen, X. He.
Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.
BACKGROUND&AIMS: Fatty liver diseases have led to a continuous increase of available donor livers containing fat. Fatty liver grafts were identified as an independent risk…
2018 American Transplant Congress
Early Blockade of Toll-Like Receptor 4 Reduces Ischemia-Reperfusion Injury and Improves Islet Transplantation Outcomes
C. Chang,¹ M. Lawrence,² R. Kane,¹ B. Naziruddin.³
¹Institute of Biomedical Studies, Baylor University, Waco; ²Baylor Scott & White Research Institute, Dallas; ³Baylor Simmons Transplant Institute, Dallas.
Purpose: Inflammatory damage to islets during isolation is a major hurdle for success in transplantation. We investigated the safety and therapeutic potential of pharmacological blockade…
2018 American Transplant Congress
PGE2/Beta-Catenin/XBP1 Signaling Controls Mesenchymal Stem Cell-Mediated Immune Regulation in Liver Ischemia and Reperfusion Injury
C. Li, S. Yue, L. Jiang, Q. Zhu, D. Farmer, R. Busuttil, J. Kupiec-Weglinski, B. Ke.
The Dumont-UCLA Transplant Center, Department of Surgery, Los Angeles, CA.
Background: Mesenchymal stem cells (MSCs) display profound immunomodulatory properties and tissue repairing capability under inflammatory conditions. However, it is unknown how MSCs may affect immunity…
2018 American Transplant Congress
Hyperglycemia-Triggered S1P/SIPR3signaling Exacerbates Liver Ischemia/Reperfusion Injury by Regulating M1/M2 Polarization
J. Rao,^1,2 Y. Hu,¹ C. Yang,¹ S. Yang,¹ F. Cheng,¹ F. Zhang,¹ X. Wang,¹ Y. Zhai,^1,2 L. Lu.^1,2
¹Department of Liver Surgery/Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China; ²Division of Liver and Pancreas Transplantation, Department of Surgery, David Geffen School of Medicine at University of California Los Angeles, Los Angeles.
Background and Aims: Hyperglycemia/Diabetes is an adverse risk factor for hepatic ischemia/reperfusion injury (IRI) during liver transplantation or hepatectomy; however, the underlying mechanism remains unclear.Sphingosine…