Articles tagged "Apoptosis"

2020 American Transplant Congress
Induction of Transplant Tolerance by Modulating the Metabolic Stress Pathways
X. Xiao, L. Zhang, Y. Ying, Y. Wang, P. Arnold, Z. Zhang, X. Li
Houston Methodist Research Institute, Houston, TX
*Purpose: T cell activation and effector differentiation precede graft rejection, and this process is associated with robust metabolic burst to meet the energy demand of…
2020 American Transplant Congress
Prophylactic Treatment with Antioxidant Nanoparticles Attenuate Ischemia/Reperfusion Injury in BALB/c Mice
S. Yoon¹, K. Lee¹, W. Hwang¹, S. Yun¹, K. Yoon²
¹Nephrology, Konyang University Hospital, Daejeon, Korea, Republic of, ²Chemistry, Hannam University, Daejeon, Korea, Republic of
*Purpose: Kidney is more susceptible to hypoxic damage than other organ because kidney tissue consumes most of oxygen to move various solute across membrane. Ischemia/reperfusion…
2020 American Transplant Congress
Cyclophilin-D Inhibition Mitigates Cardiac Allograft Ischemia-Reperfusion Injury and Rejection
A. Qamar¹, P. McLeod², J. Jiang², X. Huang², A. M. Jevnikar², Z. Zhang²
¹Pathology & Laboratory Medicine, University of Western Ontario, London, ON, Canada, ²London Health Sciences Center, London, ON, Canada
*Purpose: The clinical relevance of ischemia-reperfusion injury (IRI) in the context of organ transplantation is well-established. IRI is associated with various forms of programmed cell…
2020 American Transplant Congress
XIAP Enhances Xenoislet Survival: Novel Models to Evaluate Pretransplantation Gene Modifications
G. R. Devi¹, Z. Fitch¹, M. Song¹, M. Ribeiro¹, A. McGowan¹, X. Luo², B. H. Collins¹, A. D. Kirk¹
¹Department of Surgery, Duke Univesity School of Medicine, Durham, NC, ²Division of Nephrology, Duke Univesity School of Medicine, Durham, NC
*Purpose: Porcine islet xenotransplantation offers a reliable and near limitless supply of islets for the treatment of type 1 diabetes. Intraportal infusion of cells exposes…
2020 American Transplant Congress
Inhibiting NLRP3 Inflammasome Ameliorates Glucose Fluctuation Through Reducing Apoptosis and Infiltration of Inflammatory Cells after Intraportal Islet Transplantation in Rodent Model
G. Yoshimatsu, T. Matsuoka, K. Chinen, N. Sakata, S. Kodama
Department of Regenerative Medicine and Transplantation, Faculty of Medicine, Fukuoka University, Fukuoka, Japan
*Purpose: Islet transplantation is a useful treatment option for insulin dependent diabetes mellitus with severe hypoglycemic event. However, intraportal islet transplantation is known to induce…
2019 American Transplant Congress
Role of NF-kB in Release of Isletokines via Exosomes in Response to Islet Stress
P. Saravanan¹, M. Kanak¹, J. Kalivarathan¹, M. Lawrence², M. Levy¹, B. Naziruddin³
¹Department of Surgery, Virginia Commonwealth University, VCU Health, Richmond, VA, ²Islet Cell Lab, Baylor Scott and White Research Institute, Dallas, TX, ³Simmons Transplant Institute, Baylor Scott and White Medical Center, Dallas, TX
*Purpose: Human islets are exposed to a range of inflammatory stimuli upon transplantation that leads to poor graft survival. Identifying the various signaling events may…
2019 American Transplant Congress
Cyclo (his-pro) Protects Against Gentamicin Induced Cell Apoptosis And Cisplatin Induced Acute Kidney Injury Through Inhibiting P53 Mediated Apoptotic Pathway.
Y. Kim¹, J. Moon¹, J. Jeong¹, J. Kim¹, S. Lee¹, M. Yu², C. Lee³, Y. Kim¹, S. Yang⁴
¹Internal Medicine, Seoul National University Hospital, Seoul, Korea, Republic of, ²Internal Medicine, Hanyang University Medical Center, Seoul, Korea, Republic of, ³Internal Medicine, Cheju Halla General Hospital, Cheju, Korea, Republic of, ⁴Kidney Research Institute, Seoul National University Hospital, Seoul, Korea, Republic of
*Purpose: Cyclo(His-Pro) (CHP) is an endogenous cyclic dipeptide that exerts cellular protective effects against anti-oxdative damages. However, the role and mechanisms for CHP in preventing…
2019 American Transplant Congress
FcγRIIB is a Novel CD8⁺Effector T Cell Intrinsic Regulatory Pathway That Correlates with Freedom from Rejection in Renal Transplant Patients
A. B. Morris¹, D. F. Pinelli¹, D. Liu¹, J. M. Boss², C. D. Scharer², M. Fribourg³, P. Cravedi³, P. S. Heeger³, M. L. Ford¹
¹Surgery, Emory University, Atlanta, GA, ²Micro & Immuno, Emory University, Atlanta, GA, ³Center for Translational Transplant Research, Icahn SOM at Mount Sinai, New York, NY
*Purpose: To understand the functional role and clinical relevance of FcγRIIB on CD8+ T cells in transplantation.*Methods: See results*Results: FcγRIIB is the sole inhibitory Fcγ…
2019 American Transplant Congress
Bcl-2/Bcl-xL Inhibition by Navitoclax vs. Bcl-2 Alone Inhibition by Venetoclax for Induction of Mixed Chimerism in Non-Human Primates
H. Sasaki¹, D. Ma¹, T. Oura¹, A. Dehnadi¹, I. Rosales², B. Cosimi¹, P. Cippa³, T. Fehr³, T. Kawai¹
¹Surgery, Massachusetts General Hospital, Boston, MA, ²Pathology, Massachusetts General Hospital, Boston, MA, ³Medicine, University of Zurich, Zurich, Switzerland
*Purpose: We recently demonstrated that a specific Bcl-2 inhibitor, Venetoclax, can promote mixed chimerism and renal allograft tolerance in non-human primates (NHPs) with reduced myelosuppressive…
2019 American Transplant Congress
NQO-1 Attenuates Renal Ischemia-Reperfusion Injury in Mice
D. Choi¹, J. Hwang², J. Jeong³, K. Lee¹, K. Na¹, Y. Ham¹, J. Jeon¹, H. Kim¹, Y. Chang¹
¹Nephrology, Chungnam National University, Daejeon, Korea, Republic of, ²Laboratory Animal Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Korea, Republic of, ³Medical Science, Chungnam National University, Daejeon, Korea, Republic of
*Purpose: Ischemia-reperfusion (I-R)-induced reactive oxygen species (ROS) are thought to be a major factor in the development of acute renal injury by promoting the initial…