Articles tagged "Mice"

2018 American Transplant Congress
IL23R is a Pathogenic Gene in Type 1 Regulatory T Cells during Mouse Cardiac Transplantation Models
G. Gu, T. Lu, N. Xu, Q. Xia.
Department of Liver Surgery, Renji Hospital, Affiliated by Shanghai Jiaotong University School of Medicine, Shanghai, China.
IL23R has been confirmed to be a pathogenic gene in Th17 cells. However, its role in type 1 regulatory T cells (Tr1 cells) is not…
2018 American Transplant Congress
Histone Deacetylase Inhibition Mitigates Limb Ischemia Reperfusion Injury
S. Concors,¹ D. Aufhauser,¹ D. Murken,¹ Z. Wang,¹ G. Ge,¹ T. Bhatti,⁴ W. Hancock,^3,4 M. Levine.^1,2
¹Surgery, University of Pennsylvania, Philadelphia, PA; ²Surgery, Children's Hospital of Philadelphia, Philadelphia, PA; ³Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA; ⁴Pathology and Laboratory Medicine, Children's Hospital of Philadelphia, Philadelphia, PA.
Introduction: Vascular composite allotransplantation (VCA) of the limb involves cold and warm ischemia, further limiting organ availability beyond the constraints of blood type, HLA compatibility,…
2018 American Transplant Congress
Tipping the “Immune Balance” towards Tolerance by Specific and Systematic Depletion of Donor and Host Effector Cells
R. Bascom, K. Tao, L. West.
Alberta Transplant Institute, Canadian National Transplant Research Program, University of Alberta, Edmonton, Canada.
Purpose: To induce robust transplant tolerance in neonates with fully allogeneic spleen and bone marrow cells (SC/BMC) it is crucial to define the complex interplay…
2018 American Transplant Congress
Upregulated IL-33 in Heart Transplants Modulates Local Myeloid Populations to Protect against Chronic Allograft Rejection
Z. Zhang,¹ Q. Liu,¹ G. Hussey,² J. Dziki,² L. Mathews,¹ H. Dai,¹ G. Dwyer,^1,3 A. Lucas,¹ M. Oberbarnscheidt,¹ S. Badylak,² H. Turnquist.^1,3
¹University of Pittsburgh, Starzl Transplant Institute, Pittsburgh, PA; ²University of Pittsburgh, McGowan Institute for Regenerative Medicine, Pittsburgh, PA; ³Immunology, University of Pittsburgh, Pittsburgh, PA.
Purpose: Interleukin-33 (IL-33) is an “alarmin”, or a self-derived molecule that triggers pleotropic immune responses after release from damaged tissue. Yet, how IL-33 shapes alloresponses…
2018 American Transplant Congress
α-1 Antitrypsin Facilitate Apoptosis Donor Cells Inducing Donor Specific Protection to Mice Cardiac Allografts
G. Chen, X. Lai, L. Qiu, Y. Zhao, S. Yu, C. Wang, J. Zhang, F. Ning, L. Chen.
Organ Transplant Center, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China.
Previous study has shown that intravenous infusion of ethylene carbodiimide fixed donor splenocytes(ECDI-SPs) can induce tolerance of mice cardiac allografts with rapidly apoptosis of ECDI-SPs…
2018 American Transplant Congress
mTORC2 Deficiency in CD11c⁺dendritic Cells Promotes Acute Kidney Injury
H. Dai,^1,2 A. Watson,¹ D. Fantus,¹ L. Peng,² A. Thomson,¹ N. Rogers.¹
¹Starzl Transplantation Institute, University of Pittsburgh School of Medicine, Pittsburgh; ²Department of Urological Organ Transplantation, The Second Xiangya Hospital of Central South University, Changsha, China.
Introduction: The role of the mammalian/mechanistic target of rapamycin (mTOR) in the pathophysiology of renal ischemia-reperfusion injury (IRI) is poorly characterized; furthermore, the influence of…
2018 American Transplant Congress
Ablation of Both mTOR and STAT3 in T Cells Induces Heart Transplant Acceptance in Donor Skin-Sensitized Mice
A. Xie,^1,2 W. Chen.^2,3
¹Division of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China; ²Center for Immunobiology and Transplantation Research, Houston Methodist Research Institute, Houston, TX; ³Department of Surgery, Weill Cornell Medical College of Cornell University, New York, NY.
Allogeneic memory T cell response precludes the induction of transplant acceptance; how this process is regulated at the molecular level remains unclear. Both mTOR and…
2018 American Transplant Congress
NOS2 Deficiency Limits Long Term Survival of Murine Kidney Allografts
I. Aljabban,^1,2 B. Jiang,¹ C. Yang,¹ T. O'Shea,¹ D. Ndishabandi,¹ R. White,¹ P. Russell,¹ R. Colvin,¹ J. Madsen,¹ A. Alessandrini.¹
¹Center for Transplantation Sciences, Massachusetts General Hospital, Boston, MA; ²Pennsylvania State University College of Medicine, Hershey, PA.
Nitric oxide (NO) is a small molecule derived from L-arginine that governs a myriad of physiologic processes including the antimicrobial and tumoricidal responses. Although NO…
2018 American Transplant Congress
Glycolytic Bias in mTORC2-Deficient Dendritic Cells Potentiates Antigen-Specific Immunity and Accelerates Graft Rejection
A. Watson,¹ H. Dai,¹ J. Diaz-Perez,² A. Menk,³ M. Killeen,² G. Delgoffe,³ A. Mathers,² A. Thomson.¹
¹Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA; ²Dermatology, University of Pittsburgh, Pittsburgh, PA; ³Cancer Institute, University of Pittsburgh, Pittsburgh, PA.
The mechanistic target of rapamycin (mTOR) is known to function in two complexes: mTOR complex 1 (mTORC1) and mTORC2. While the function of mTORC1 in…
2018 American Transplant Congress
Lymph Node Stromal Laminins Affect Graft Survival through Regulation of CD4 T Cell Proliferation and Migration
L. Li, T. Simon, W. Piao, Y. Xiong, V. Saxena, T. Zhang, C. Wagner, J. Bromberg.
University of Maryland, Baltimore, MD.
Background: Our prior studies demonstrated that tolerance and immunity are associated with differential expression of lymph node (LN) stromal laminins α4β1γ1 (411) and α5β1γ1 (511),…