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Articles tagged "Immunogenicity"

  • 2016 American Transplant Congress

    Immunogenic HLA-DR Eplet Mismatches as Predictors of Transplant Glomerulopathy.

    D. Blum,1 K. Tinckam,2 M. Marrari,3 J. Kim,2 R. Sapir-Pichhadze.1

    1McGill University, Montreal, Canada; 2University Health Network, Toronto, Canada; 3University of Pittsburgh Medical Center, Pittsburgh.

    BackgroundThe number of HLA-DR eplet mismatches (eplet load) is a risk factor for the development of anti-HLA antibodies and transplant glomerulopathy (TG). In the case…
  • 2016 American Transplant Congress

    High Concentrations of CXCL9 and CXCL10 Chemokines but Not CXCL8 (IL-8), IL-6, TNF-a or IFN-g in Biopsy Tissue Are Associated with Pathological Staging of Rejection After Kidney Transplantation.

    C. Falk,1 C. Neudörfl,1 K. Daemen,1 J. Keil,1 F. Lehner,2 H. Haller,3 J. Schmitz,4 C. Blume,5 J.-H. Bräsen.4

    1Institute of Transplant Immunology, IFB-Tx, Hannover Medical School, Hannover, Germany; 2Department of Abdominal and Transplantation Surgery, Hannover Medical School, Hannover, Deutschland, Germany; 3Department of Nephrology and Hypertension, Hannover Medical School, Hannover, Deutschland, Germany; 4Institute of Pathology, Hannover Medical School, Hannover, Deutschland, Germany; 5Institute of Technical Chemistry, Leibniz University Hannover, Hannover, Deutschland, Germany.

    Background: Extensive expression profiling efforts of biopsy tissue after kidney transplantation indicate that rejection, especially antibody-mediated rejection (AMR) can be defined by distinct signatures. Thus,…
  • 2016 American Transplant Congress

    A Novel Humanized Mouse Model Incorporating Non-Fetal Tissue.

    M. Brown, I. Norman, Y. Zhou, W. Lou, J. Sullivan, W. Burlingham.

    Surgery/Transplant Division, University of Wisconsin-Madison, Madison, WI.

    Pre-clinical research into allogeneic tissue transplantation therapies, as well as patient-specific regenerative medicine studies, require animal models that closely mimic the typical patient's immune response.…
  • 2016 American Transplant Congress

    Activation of Innate Immunity During Human OLT-IRI Triggers Adaptive Immunity and Correlates with the Degree of IRI Injury.

    A. Zarrinpar,1 R. Sosa,2 P. Rao,2 C. Lassman,2 R. Busuttil,1 D. Gjertson,2 J. Kupiec-Weglinski,1 E. Reed.2

    1Surgery, Dumont-UCLA Transplant Ctr, Los Angeles, CA; 2Pathology, UCLA, Los Angeles, CA.

    Ischemia reperfusion injury (IRI) in orthotopic liver transplantation (OLT) can severely compromise graft and recipient survival. We postulate this is mediated by interactions between the…
  • 2016 American Transplant Congress

    Optimizing the Immunogenicity and Immunomodulatory Properties of MSC for Cellular Therapy.

    S. de Witte,1 M. Franquesa,1 T. Strini,1 S. Korevaar,1 F. Luk,1 S. Elliman,2 P. Newsome,3 M. Gargesha,4 D. Roy,4 A. Merino,1 C. Baan,1 M. Hoogduijn.1

    1ErasmusMC, Rotterdam, Netherlands; 2Orbsen Therapeutics, Galway, Ireland; 3University of Birmingham, Birmingham, United Kingdom; 4Bioinvision, Mayfield Village.

    Mesenchymal stromal cells (MSC) are candidates for immunotherapy after transplantation. MSC have shown to be immunomodulatory and low immunogenic, which is favorable for cellular therapy…
  • 2016 American Transplant Congress

    Dendritic Cells and Damage-Associated Molecular Patterns in Aging.

    M. Seyda, H. Li, G. Liu, M. Quante, H. Uehara, J. Schuitenmaker, A. Elkhal, S. Tullius.

    Division of Transplant Surgery and Transplant Surgery Research Laboratory, Brigham and Women's Hospital, Boston.

    Recently, it has been shown that Dendritic Cells (DCs) of old organs accelerate graft rejection by orchestrating IL-17A-mediated T cell responses. Moreover, cell-free DNA has…
  • 2015 American Transplant Congress

    Immune Rejection of iPS Cells Is Triggered By Gamete-Associated Proteins (GAPs)

    E.-M. Kim, G. Manzar, N. Zavazava.

    Internal Medicine, University of Iowa, Iowa City, IA; Internal Medicine, University of Iowa, Iowa City, IA; Internal Medicine, University of Iowa, Iowa City, IA.

    Induced pluripotent stem (iPS) cells have emerged as a new source for cell based therapies. However, the safety of iPS cells in autologous recipients has…
  • 2015 American Transplant Congress

    Identifying Barriers Specific to Xenoislets by Direct Comparison to Alloislets in a Dual Transplant Model

    K. Samy,1 B. Martin,2 P. Thompson,2 A. Farris,2 M. Song,2 V. Leopardi,1 B. Collins,1 A. Kirk.1

    1Department of Surgery, Duke University Medical Center, Durham, NC; 2Emory Transplant Center, Emory University, Atlanta, GA.

    Purpose:The xenotransplantation of neonatal porcine islets (NPIs) may alleviate the shortage of islets currently limiting islet allotransplantation. However, successful implementation requires understanding of the immune…
  • 2015 American Transplant Congress

    Immunologic, Proangiogenic and Neurogenic Assessment of Allogenic Epineurium of the Human Peripheral Nerve for Potential Application in Prevention of Neuroma Formation

    A. Klimczak,1 K. Futoma,2 A. Jundzill,3 D. Patrzalek,4 M. Siemionow.5

    1Clinical Immunology Department, Institute of Immunology and Experimental Therapy PAS, Wroclaw, Poland; 2Wroclaw Research Centre EIT+, Wroclaw, Poland; 3Regenerative Medicine Tissue Engineering Department, Nicolaus Copernicus University Collegium Medicum, Bydgoszcz, Poland; 4Department of Surgery, 4th Military Clinical Hospital, Wroclaw, Poland; 5Department of Orthopaedics, The University of Illinois at Chicago, Chicago, IL.

    Purpose: Transplantation of epineural sheath may support nerve regeneration after traumatic nerve injuries. Unsolved problem after nerve injury is painful neuroma formation. Natural biologic material,…
  • 2015 American Transplant Congress

    Immunological Evaluation of Acellular Extracellular Matrix Upon Transplantation

    M. Ketaki,1 P. Pradeep,1 N. Nikhil,1 G. Dellgren,3 H. Suchitra, M. Olausson.2

    1Laboratory for Transplantation Regenerative Medicine, Surgery, Gothenburg University, Gothenburg, Sweden; 2Department of Surgery, SU/Sahlgrenska University Hospital, SE 41345, Gothenburg, Sweden; 3Cardiothoracic Surgery, Transplant Institute, Sahlgrenska University Hospital, University of Gothenburg, Gothenburg, Sweden.

    Background : To mitigate the scanty supply of donor organs, porcine tissues can be utilized since, it embrace the potential to accomplish the task of…
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