Abstracts Archive - Page 1208 of 1683 - ATC Abstracts

2016 American Transplant Congress
Bile Acid Signaling Affects Metabolism and Prolongs Allograft Survival in Obese Recipients.
M. Quante, A. ElKhal, M. Seyda, J. Schuitenmaker, H. Uehara, S. Tullius.
Division of Transplant Surgery & Transplant Surgery Research Laboratory, Brigham and Women's Hospital / Harvard Medical School, Boston, MA.
Although obesity has been linked to impaired transplant outcomes, underlying mechanisms and consequences of obesity on alloimmunity are only poorly understood.Allogenic skin transplantations were performed…
2016 American Transplant Congress
Aging Is Critically Impacting the Efficacy of Immunosuppressants.
J. Schuitenmaker, K. Edtinger, M. Seyda, H. Uehara, M. Quante, A. ElKhal, S. Tullius.
Transplant Surgery Research Laboratory, Brigham and Women's Hospital, Harvard Medical School, Boston, MA.
Immunosenescence is broadly affecting alloimmunity with major implications on immunosuppression. Older recipients have thus far been mostly excluded from clinical trials. Here, we dissected the…
2016 American Transplant Congress
CMV-Accelerated Cardiac Allograft Rejection Is Associated with Dysregulation of Sphingolipid Metabolomics.
J. Burg,¹ T. Andoh,² N. Haese,² C. Kreklywich,² K. Watters,³ T. Metz,³ S. Orloff,¹ D. Streblow.²
¹Abdominal Organ Transplantation, OHSU, Portland, OR; ²VGTI, OHSU, Portland, OR; ³Biological Sciences Division, PNNL, Richland, WA.
PurposeCytomegalovirus (CMV) infection accelerates transplant vascular sclerosis (TVS) and chronic rejection (CR) in solid organ transplants. Sphingolipid metabolism plays an immunomodulatory role in transplant rejection,…
2016 American Transplant Congress
Aryl Hydrocarbon Receptor Expression Increases in Skin Graft-infiltrating Th1 and Treg Cells.
J. Fechner, W. Julliard, L. Owens, J. Mezrich.
Surgery, University of Wisconsin, Madison, WI.
Hypothesis: The expression of the aryl hydrocarbon receptor (AHR), a transcription factor activated by a variety of exogenous and endogenous ligands including the typtophan-metabolite kynuenine,…
2016 American Transplant Congress
Anti-BTLA Antibody (6B2) Induced Prolongation of Fully MHC-Mismatched Murine Cardiac Allograft and Generation of Foxp3+ Regulatory T Cells.
M. Uchiyama,^1,2 E. Yin,^2,3 X. Jin,^2,4 T. Shimokawa,¹ H. Yagita,⁵ M. Niimi.²
¹Cardiovascular Surgery, Teikyo University, Tokyo, Japan; ²Surgery, Teikyo University, Tokyo, Japan; ³Cardiovascular Surgery, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, China; ⁴Thoracic Surgery, The 3rd Affiliated Hospital of Harbin Medical University, Harbin, China; ⁵Immunology, Juntendo University Hospital, Tokyo, Japan.
Background: The co-inhibitory receptor B and T lymphocyte attenuator (BTLA; CD272) has been implicated in the regulation of autoimmune and may potentially play an important…
2016 American Transplant Congress
MicroRNA let-7i Regulates Dendritic Cells Maturation Targeting Interleukin-10 via JAK1-STAT3 Signal Pathway Subsequently Induces Prolonged Cardiac Allograft Survival in Rats.
X. Jin,¹ Y. Sun,² X. Liu,² J. Wang,¹ S. Xu,¹ L. Yao,¹ Z. Zhao,³ L. Jiang,⁴ Q. Wu,⁵ J. Wu.²
¹Thoracic Surgery, The Third Affiliated Hospital of Harbin Medical University, Harbin, China; ²Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China; ³Pediatric Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China; ⁴Otorhinolaryngology, The First Affiliated Hospital of Harbin Medical University, Harbin, China; ⁵Ophthalmology, The First Affiliated Hospital of Harbin Medical University, Harbin, China.
Background:Our previous study demonstrated that microRNA (MiR) let-7i could regulate dendritic cells (DCs) maturation and functional state via targeting SOCS1. In this study, we investigated…
2016 American Transplant Congress
B Lymphocyte-Induced Maturation Protein-1 Promotes Allograft Survival via Modulation of T Cell Development.
A. Wang,¹ C. Loh,^1,3,4 S.-J. Chen,² C.-H. Lin,¹ H.-K. Sytwu,² S.-H. Chuang,¹ F.-C. Wei.^1,4
¹VCA; PRS Dept., CGMH, Taoyuan, Taiwan; ²Department of Microbiology and Immunology, NDMC, Taipei, Taiwan; ³Division of Surgery and Interventional Science, University College London, London, United Kingdom; ⁴College of Medicine, Chang Gung University, Taoyuan, Taiwan.
*Equal contributionPurposeVascularized composite allotransplantation (VCA) is a promising new field in plastic surgery. Skin is known to be the most immunogenic component of a composite…
2016 American Transplant Congress
Neonatal Tolerance to Blood Group A-Antigen in a Mouse Model of ABO-Incompatible Heart Transplantation (ABOi HTx).
B. Motyka,¹ B. Lamarche,¹ K. Labonte,¹ S. Wang,¹ J. Pearcey,¹ K. Tao,¹ M. Mengel,¹ B. Sis,¹ P. Cowan,² L. West.¹
¹Alberta Transplant Institute/CNTRP, University of Alberta, Edmonton, Canada; ²Immunology Research Centre, St Vincent's Hospital, Melbourne, Australia.
Purpose: ABOi HTx can be performed safely in infants due to lack of natural anti-A/B antibodies (Ab), in contrast to adults. Following ABOi HTx, B…
2016 American Transplant Congress
Indefinite Survival of Fully MHC-Mismatched Murine Cardiac Allografts by Combination of Anti-BTLA mAb (6B2) and Anti-PD-1 mAb (PIM-2).
E. Yin,^1,2 M. Uchiyama,^1,3 X. Jin,^1,4 T. Shimokawa,³ H. Yagita,⁵ M. Niimi.¹
¹Surgery, Teikyo University, Tokyo, Japan; ²Cardiovascular Surgery, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, China; ³Cardiovascular Surgery, Teikyo University, Tokyo, Japan; ⁴Thoracic Surgery, The 3rd Affiliated Hospital of Harbin Medical University, Harbin, China; ⁵Immunology, Juntendo University Hospital, Tokyo, Japan.
Background: The co-inhibitory receptor B and T lymphocyte attenuator (BTLA) and Programmed death (PD)-1 had been suggested to have immunomodulatory activity. This study investigated the…
2016 American Transplant Congress
Recapitulating Peripheral T Cell Development in Neonatal Mice to Induce Transplant Tolerance.
R. Bascom, K. Tao, L. West.
University of Alberta, Edmonton, Canada.
Purpose: Neonatal mice are susceptible to tolerance induction with semi-allogeneic bone marrow and spleen cells (BMC/SC) while allogeneic BMC/SC cause acute lethal graft-versus-host disease (GVHD).…