Articles tagged "Apoptosis"

2015 American Transplant Congress
Absence of Nucleotide-Binding Oligomerization Domain-Containing Protein 1 and 2 Modifies Adaptive Immune Responses
S. Kasimsetty, A. Shigeoka, D. McKay.
Medicine, UCSD, La Jolla, CA.
Background:The NOD family of intracellular pattern recognition receptors (PRRs) plays a key role in immune responses to microbial and danger signals. This family of proteins…
2015 American Transplant Congress
Phenotype of Renal Tubular Cell Death During Delayed Graft Function
S. Jain,¹ R. Plenter,¹ T. Nydam,¹ C. Ruller,¹ C. Edelstein,^1,2 A. Jani.^1,2
¹University of Colorado, Aurora, CO; ²Veterans Affairs Medical Center, Denver, CO.
Background: Delayed graft function (DGF) independently predicts reduced 5 yr kidney transplant survival. Treatments of DGF are lacking. Cold ischemia (CI) is a significant risk…
2015 American Transplant Congress
A Novel Signaling Approach for the Prevention of Ischemia/Reperfusion Injury (IRI)
S. Khalid,¹ M. Haller,¹ K. Koziel,¹ M. Enthammer,¹ M. Hermann,² M. Thurner,¹ L. Kremser,³ H. Lindner,³ J. Troppmair.¹
¹VTT, DSL, Innsbruck Medical University, Innsbruck, Austria; ²Anestesiology and Critical Care Medicine, Innsbruck Medical Unversity, Innsbruck, Austria; ³Division of Clinical Biochemistry, Innsbruck Medical University, Innsbruck, Austria.
Mitochondrial reactive oxygen species (ROS) produced during early reperfusion are important triggers for the development of ischemia/reperfusion injury (IRI). However, antioxidants yielded little clinical benefit…
2015 American Transplant Congress
Engagement of the Vasopressin Receptor On Hepatocytes Protects Liver from Ischemia-Reperfusion Injury Via the WNT-β-Catenin-SGK1-FOXO Pathway
X. Liu,¹ T. Billiar,² R. Tao.¹
¹Department of Hepatobiliary-Pancreatic Surgery, Zhejiang Provincial Peoples' Hospital, Hangzhou, Zhejiang Province, China; ²Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA.
The synthetic vasopressin analogue, terlipressin, has been extensively used in the management of certain complications associated with end-stage liver diseases (ESLDs), however concerns have been…
2015 American Transplant Congress
Loss of RIPK3 and Caspase-8 Enhance Intrinsic Apoptosis in Tubular Epithelial Cell (TEC) Death and Contributes to Kidney Ischemia Reperfusion Injury (IRI)
B. Sung,¹ Y. Su,³ A. Lau,³ J. Jiang,³ A. Haig,² D. Green,⁴ Z. Zhang,² A. Jevnikar.¹
¹Microbiology and Immunology, Western University, London, ON, Canada; ²Pathology, Western University, London, ON, Canada; ³Matthew Mailing Centre for Translational Transplant Studies, London Health Sciences Centre, London, ON, Canada; ⁴St. Jude Children's Research Hospital, Memphis, TN.
[Background] Ischemia-reperfusion injury (IRI), a complex limiting factor in organ transplant survival, is related to multiple death pathways. Eliminating the key necroptotic molecule (RIPK3) improves…
2015 American Transplant Congress
Losartan Benefits Are Mediated Through SIRT1 Activation in Rat Reduced Size Orthotopic Liver Transplantation
E. Pantazi,¹ M. Bejaoui,¹ M. Zaouali,¹ E. Folch-Puy,¹ A. Rolo,^2,3 A. Panisello,¹ C. Palmeira,² J. Rosello-Catafau.¹
¹Experimental Pathology, Institute of Biomedical Research of Barcelona (IIBB-CSIC), Barcelona, Spain; ²Department of Life Sciences, Faculty of Science and Technology, University of Coimbra, Coimbra, Portugal; ³Center for Neurosciences and Cell Biology, Department of Zoology, University of Coimbra, Coimbra, Portugal.
Background: Silent Information Regulator 1 (SIRT1) is a histone deacetylase that has been associated with protective mechanisms against IRI, but its role in liver transplantation…
2015 American Transplant Congress
Anti-Apoptotic But Not Mitotic Effects of 3,3',5-triiodo-l-thyronine in the Liver of Brain Dead Rats
A. van Erp,¹ R. Rebolledo,² J. Wiersema-Buist,¹ P. Ottens,¹ H. Leuvenink,¹ P. Romanque.²
¹Department of Surgery, University Medical Center Groningen, Groningen, Netherlands; ²Department of Surgery, University of Chile, Santiago, Chile.
Thyroid hormone treatment in brain dead organ donors has been extensively studied and applied in the clinical setting. However, its effectiveness remains controversial due to…
2015 American Transplant Congress
Human CD8⁺TCR^– Facilitating Cells Enhance HSC Engraftment In Vivo and Promote HSC Survival In Vitro
Y. Huang,¹ M. Elliott,¹ E. Yolcu,¹ T. Miller,¹ L. Bozulic,² Y. Wen,¹ H. Xu,¹ S. Ildstad.^1,2
¹Institute for Cellular Therapeutics, University of Louisville, Louisville, KY; ²Regenerex, LLC, Louisville, KY.
CD8+/TCR- facilitating cells (FC) in mouse BM significantly enhance engraftment of hematopoietic stem cells (HSC) in syngeneic and allogeneic recipients. Human FC phenotype and mechanism…
2015 American Transplant Congress
MiR-26a Regulates Mouse Hepatocyte Proliferation By Directly Targeting Their 3′ Untranslated Region of CCNE2/CCND2
J. Zhou, X. Yuan, W. Ju, X. Jiao, X. Wang, M. Han, D. Wang, X. Zhu, X. He.
Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China.
Objectives: The deficiency of liver regeneration needs to be addressed in the fields of liver surgery, split liver transplantation and living donor liver transplantation. Researches…
2015 American Transplant Congress
Down-Regulation of Autophagy Correlates With Increased Apoptosis in the Kidney, But Not in the Liver, of Brain Dead Rats
A. van Erp,¹ R. Rebolledo,³ P. Ottens,¹ J. Pirenne,² H. Leuvenink,¹ J.-P. Decuypere.²
¹Department of Surgery, University Medical Center Groningen, Groningen, Netherlands; ²Department of Microbiology and Immunology, Catholic University Leuven, Leuven, Belgium; ³Department of Surgery, University of Chile, Santiago, Chile.
Organs from brain dead donors have inferior quality and show higher rejection rates after transplantation compared to living donors. Brain death (BD) in the donor…