Articles tagged "Oxidant stress"

2018 American Transplant Congress
Extracellular Vesicles Derived from Huc-MSCs Alleviate Rat Hepatic Ischemia-Reperfusion Injury by Suppressing Oxidative Stress and Neutrophil Inflammatory Response
J. Yao,^1,2 J. Cai,^1,2 J. Zheng,^1,2 L. Chen,^1,2 Y. Zhang,^1,2 Y. Yang.^1,2
¹Department of Hepatic Surgery and Liver Transplantation Center of the Third Affiliated Hospital, Organ Transplantation Institute, Guangzhou, Guangdong, China; ²Guangdong Key Laboratory of Liver Disease Research, Key Laboratory of Liver Disease Biotherapy and Translational Medicine of Guangdong Higher Education Institutes, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, .
Mesenchymal stem cells (MSCs) have been reported possessing therapeutic effects on immunoregulation, tissue repair and regeneration from bench to bedside. Extracellular vesicles (EVs) derived from…
2018 American Transplant Congress
Assessment of Hepatic Ischemia-Reperfusion Injuries by NRF2-Dependent Transcriptional Activities of Bile Transporters in Rats
J. Kim,¹ A. Martin,¹ J. Yee,¹ L. Fojut,¹ A. Geurts,² K. Oshima,³ M. Zimmerman,¹ J. Hong.¹
¹Surgery, Medical College of Wisconsin, Milwaukee, WI; ²Physiology, Medical College of Wisconsin, Milwaukee, WI; ³Pathology, Johns Hopkins University School of Medicine, Baltimore, MD.
Background: The effect of hepatic ischemia and reperfusion injury (IRI) on bile transporter (BT) gene expression and the role of Nrf2 in BT regulation during…
2018 American Transplant Congress
Neuropeptide PACAP Protects Hepatocyte against Liver Ischemia/Reperfusion Injury by Promoting Yes-Associated Protein (YAP) Function
Z. Xue, Y. Liu, C. Zhang, R. Busuttil, J. Kupiec-Weglinski, H. Ji.
Dept of Surgery, The DumontUCLA Transplant Center, Los Angeles, CA.
Background: Previously we have demonstrated that neuropeptide pituitary adenylate cyclase-activating polypeptides (PACAP) suppressed local inflammation, and protected liver against IRI by innervating the liver and…
2018 American Transplant Congress
Dehydropeptidase-Iinhibitor Reduces Tacrolimus-Induced Kidney Injury by Anti-Oxidative and Anti-Apoptotic Effect
K. Luo,¹ S. Lim,¹ J. Il,¹ Y. Shin,¹ E. Ko,^1,2 B. Chung,^1,2 H. Hwang,^1,2 C. Yang.^1,2
¹Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Republic of Korea; ²Transplant Research Center, The Catholic University of Korea, Seoul, Republic of Korea.
Background:Cilastatin is an inhibitor of dehydropeptidase-I which enhances the antibacterial activity of imipenem.Dehydropeptidase I is associated with not only the metabolism of the enzyme but…
2018 American Transplant Congress
Effect of Conversion to CTLA4Ig Treatment on Tacrolimus-Induced Diabetic Rats
J. Il,¹ L. Jin,¹ K. Luo,¹ S. Lim,¹ Y. Shin,¹ E. Ko,^1,2 B. Chung,^1,2 C. Yang.^1,2
¹Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Republic of Korea; ²Transplant Research Center, The Catholic University of Korea, Seoul, Republic of Korea.
Background: The effect of conversion to cytotoxic T-lymphocyte-associated protein 4 immunoglobulin (CTLA4Ig) treatment on tacrolimus (TAC)-induced renal dysfunction is well known, but its effect on…
2017 American Transplant Congress
Gene Editing of Keap1/Nrf2 in Human T Cells Using CRISPR-Cas9 to Improve Outcome from Ischemia Reperfusion Injury and Other T Cell Mediated Diseases.
S. Noel,¹ S. Lee,¹ M. Sadasivam,² A. Hamad,² H. Rabb.¹
¹Department of Medicine, Johns Hopkins University, Baltimore, MD; ²Department of Pathology, Johns Hopkins University, Baltimore, MD
Background: T lymphocytes are important mediators of ischemia reperfusion injury (IRI) during organ transplantation. Using genetically engineered mice, we demonstrated that augmentation of Nrf2 dependent…
2017 American Transplant Congress
Omega 3 Attenuates Ischemia Reperfusion Renal Injury via Enhancement of Autophagy Flux.
J.-J. Kim,¹ J. Jeong,² D. Choi,³ K. Na,³ K. Lee.³
¹Chungnam National University, Anatomy, Daejeon, Korea; ²Chungnam National University, Department of Medical Science, Daejeon, Korea; ³Chungnam National University, Nephrology, Daejeon, Korea
Purpose: Omega 3 fatty acid showed the protective effect against various renal injuries. Recently, it is reported that Omega 3 regulates the autophagy. Using fat-1…
2017 American Transplant Congress
Neuropeptide PACAP Prevents Hepatocyte Damage by Promoting Yes-Associated Protein (YAP) in Mouse Liver Ischemia/Reperfusion Injury.
Y. Liu,^1,2 C. Zhang,^1,3 R. Busuttil,¹ J. Kupiec-Weglinski,¹ Q. Xia,^1,2 H. Ji.¹
¹Department of Surgery, Dumont-UCLA Transplant Center, Los Angeles, CA; ²Liver Surgery, Ren Ji Hospital, Shanghai Jiao Tong University, Shanghai, China; ³Liver Surgery, 1st Affiliated Hospital, Zhejiang University, Hangzhou, China
Background: Yes-associated protein (YAP), a regulator of cellular anti-oxidation and regeneration, drives cell proliferation and promotes survival. We have previously demonstrated that neuropeptide pituitary adenylate…
2017 American Transplant Congress
ERK and HIF1 Play a Major Role in Hypothermic Protection Against Renal Ischemia-Reperfusion Injury.
K. Lee,¹ J. Jeong,² D. Choi,¹ K. Na,¹ H. Bae,¹ Y. Ham.¹
¹Chungnam National University, Nephrology, Daejeon, Korea; ²Chungnam National University, Department of Medical Science, Daejeon, Korea
Purpose: Hypothermia attenuates the renal injury induced by ischemia-reperfusion. However, the detailed molecular pathway remains unknown. ERK and HIF1 are known to protect against ischemia-reperfusion…
2016 American Transplant Congress
Calcineurin Inhibitor (CNI) Nephrotoxicity Is Mediated by Defective Amp-Activated Protein Kinase (AMPK) Activation.
A. Zmijewska, J. Chen, J. Zmijewski, R. Mannon.
Medicine, UAB, Birmingham, AL.
Background: CNIs are potent immunosuppressant therapies, but associated with nephrotoxicity manifested by interstitial fibrosis and progressive graft dysfunction. AMPK is a major sensor and regulator…