Articles tagged "Immunoglobulins (Ig)"

2019 American Transplant Congress
Successful Use of Hizentra to Address BK Viremia in Pediatric Transplant Population
K. Gruenkemeyer, E. Wood, A. Beck, C. Belsha
Pediatric Nephrology, Saint Louis University, Saint Louis, MO
*Purpose: BK viremia is an important problem in the pediatric renal transplant population leading to increased risk for viral associated nephropathy in the transplant. Early…
2019 American Transplant Congress
Extracellular Vesicles (EV) Mediate Antibody-Independent Tubular Senescence via Cyclin-Dependent Kinase Inhibitors p21/p16 in Antibody-Mediated Rejection (AMR)
C. Divella¹, A. Stasi¹, R. Franzin¹, F. Sallustio², C. Curci¹, G. Merlotti³, M. Quaglia³, L. Gesualdo¹, V. Cantaluppi¹, G. Castellano¹
¹Emergency and Organ Transplantation, University of Bari, Bari, Italy, ²Emergency and Organ Transplantation / Basic Medical Sciences, Neuroscience and Sense Organs, University of Bari, Bari, Italy, ³Department of Translational Medicine, University of Piemonte Orientale, Novara, Italy
*Purpose: Recent data suggest a strong correlation between kidney injury and the occurrence of accelerated senescence process, known as “Inflammaging”. However, the role of TEC…
2019 American Transplant Congress
Alloreactive B Cells in Transplant Tolerant Recipients Cannot Differentiate into Antibody-Secreting Cells but Can Suppress Donor-Specific IgG Production By Naïve B Cells
S. H. Khiew¹, J. Chen¹, D. Jain¹, Q. Wang¹, D. Yin¹, M. Alegre², A. S. Chong¹
¹Department of Surgery, Section of Transplant, University of Chicago, Chicago, IL, ²Department of Medicine, University of Chicago, Chicago, IL
*Purpose: Donor specific transplantation tolerance has long been the goal of clinical transplantation. Clinical observations suggest that donor-specific antibodies (DSA) are a major cause of…
2019 American Transplant Congress
B Cell Immunophenotypes in Transplantation
M. Cascalho¹, M. de Mattos-Barbosa², E. A. Farkash³, J. L. Platt²
¹University of Michigan, Ann Arbor, MI, ²Surgery, University of Michigan, Ann Arbor, MI, ³Pathology, University of Michigan, Ann Arbor, MI
*Purpose: B cells and B cell responses have been associated with favorable outcomes of transplantation in some setting and unfavorable outcomes in others. For example,…
2019 American Transplant Congress
Next Gen ABO Antibody Assessment: Development of a Bead-Based ABO Antibody Detection Assay
A. Halpin¹, J. Pearcey², B. Motyka², S. Maier², J. Zhou³, T. L. Lowary⁴, C. W. Cairo⁴, L. J. West¹
¹Dept of Pediatrics, Dept of Laboratory Medicine, GlycoNet, ATI, CDTRP, University of Alberta, Edmonton, AB, Canada, ²Dept of Pediatrics, ATI, GlycoNet, CDTRP, University of Alberta, Edmonton, AB, Canada, ³Dept of Laboratory Medicine, University of Alberta, Edmonton, AB, Canada, ⁴Dept of Chemistry, GlycoNet, CDTRP, University of Alberta, Edmonton, AB, Canada
*Purpose: Accurate characterization of ABO antibodies (ABO-Ab) is critical to assess their impact in ABO incompatible (ABOi) transplantation. The current ABO-Ab detection method using erythrocyte…
2019 American Transplant Congress
Clazakizumab (CLZ, Anti-IL-6 Monoclonal Antibody) Treatment of Patients (Pts) with Chronic Antibody-Mediated Rejection (cABMR) Reduces Total Immunoglobulin (Ig) and Anti-HLA IgG Antibody Levels
B. Shin, N. F. Ammerman, A. A. Vo, X. Zhang, S. C. Jordan, M. Toyoda
Cedars-Sinai Medical Center, Los Angeles, CA
*Purpose: We have recently reported successful use of Tocilizumab (TCZ), an anti-IL-6 receptor (R) monoclonal antibody, for cABMR treatment in HLA-sensitized kidney transplant (KTx) Pts.…
2019 American Transplant Congress
Desensitization Using Only IVIG: Is That an Option for Highly-Sensitized Patients Waiting for Kidneys from Cadaveric Donors?
J. O. Paixão, L. R. Ulisses, P. S. Souza, G. Bezerra, F. Agena, H. P. Rodrgues, N. Panajotopoulos, F. J. Paula, E. David-Neto, M. R. Castro
Nefrologia, Hospital das Clínicas da Universidade de São Paulo, São Paulo, Brazil
*Purpose: The reduction of anti-HLA has been proven to be efficient and safe in transplants of highly-sensitized with living donors (LD). The results of adopting…
2019 American Transplant Congress
The Effect of Intravenous Immunoglobulin on Human Complement-Dependent Cytotoxicity of Pig Cells: Benefit? Or Harm?
T. Yamamoto¹, Q. Li¹, A. Banks¹, H. Iwase¹, D. Ayares², D. K. Cooper¹, H. Hara¹
¹Xenotransplantation Program, Department of Surgery, University of Alabama at Birmingham, Birmingham, AL, ²Revivicor, Blacksburg, VA
*Purpose: Xenoreactive antibodies and complement play an important role in pig xenograft rejection. Intravenous immunoglobulin (IVIG) is widely used in desensitization protocols and for the…
2019 American Transplant Congress
A Clinical Analysis for Low-Dose Immunoglobulin United with Plasmapheresis in High Sensitization Renal Transplantation Recipients
L. Xu¹, J. Zhang²
¹Chinese PLA General Hospital Eighth Medical Centre, Beijing, China, ²Nursing Department, Chinese PLA General Hospital, Beijing, China
*Purpose: To analyze the role of low-dose intravenous immunoglobulin (IVIG) united with plasmapheresis in high sensitization renal transplantation recipients.*Methods: Four patients with high levels of…
2019 American Transplant Congress
Prevention of Islet Allo- and Xenograft Rejection with Immunoglobulin M Immunotherapy
M. Ma, P. Chhabra, K. Brayman
Surgery, University of Virginia, Charlottesville, VA
*Purpose: To investigate if IgM therapy mitigates islet allo- and xenotransplant rejection and promotes permanent islet survival.*Methods: 1) New onset diabetic NOD mice (n=14) were…