Articles tagged "Immunoglobulins (Ig)"

2021 American Transplant Congress
Dynamics of IgG Subclass as a Mechanism of Desensitization Using Rituximab for Presensitized Patients Undergoing Living Related Liver Transplantation
H. Egawa¹, K. Ide², T. Ishizuka³, H. Ohdan⁴, Y. Kotera¹, T. Kato¹, A. Ohmori¹, Y. Hirata¹, G. Shibuya¹, S. Yamashita¹, S. Ariizumi¹
¹Tokyo Women's Medical University, Tokyo, Japan, ²Surgery, Hiroshima University, Hiroshima, Japan, ³Clinical Laboratory, Tokyo Women's Medical University, Tokyo, Japan, ⁴Hiroshima University, Hiroshima, Japan
*Purpose: Although impact of preformed HLA-related donor specific antibody (DSA) and necessity of desensitization in liver transplantation (LT) has been recognized, mechanisms of desensitization in…
2021 American Transplant Congress
Kidney Transplant Associated Allergy Transfer After Living Donation
K. López-Vega, S. Davis
Division of Renal Diseases and Hypertension, Anschutz Medical Campus, University of Colorado, Aurora, CO
*Purpose: Donor to recipient IgE-mediated food allergy transfer has been described in non-kidney solid organ transplant. Here, we report a novel case of an adult…
2021 American Transplant Congress
Autoantibodies Against Ro/SS-A, CENP-B, and La/SS-B are Increased in Patients with Kidney Allograft Antibody-mediated Rejection
S. Clotet-Freixas¹, M. Kotlyar², C. M. McEvoy¹, C. Pastrello², S. Rodríguez-Ramírez¹, S. Farkona¹, H. Cardinal³, M. Dieudé³, M. Hébert³, Y. Li¹, O. Famure¹, P. Chen¹, S. Kim¹, E. Chan⁴, I. Jurisica², R. John¹, A. Chruscinski¹, A. Konvalinka¹
¹Toronto General Hospital Research Institute, University Health Network, Toronto, ON, Canada, ²Krembil Research Institute, University Health Network, Toronto, ON, Canada, ³Centre de Recherche du Centre Hospitalier de l’Université de Montréal, Montreal, QC, Canada, ⁴Department of Medicine, Division of Nephrology, University Health Network, Toronto, ON, Canada
*Purpose: Antibody-mediated rejection (AMR) causes >50% of late kidney graft losses. Although donor-specific antibodies (DSA) against HLA cause AMR, antibodies against non-HLA antigens are also…
2021 American Transplant Congress
Use of a Novel Bead-based Assay to Measure the Impact of Imlifidase on ABO IgG Antibodies
A. Halpin¹, B. Motyka², T. Ellis², J. Pearcey², T. L. Lowary³, A. Runström⁴, L. Winstedt⁴, R. Bockermann⁴, S. Järnum⁴, A. Robertson⁴, L. J. West⁵
¹Department of Pediatrics and Laboratory Medicine and Pathology, University of Alberta and Alberta Precision Laboratories, Edmonton, AB, Canada, ²Department of Pediatrics, University of Alberta, Edmonton, AB, Canada, ³Department of Chemistry, University of Alberta, Edmonton, AB, Canada, ⁴Hansa Biopharma, Lund, Sweden, ⁵Department of Pediatrics and Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB, Canada
*Purpose: The accurate assessment and measurement of ABO antibodies (ABO-Ab) is a critical component of ABO-incompatible (ABOi) transplantation. ABO-Ab comprise both IgG and IgM, which…
2021 American Transplant Congress
The Role of Notch2 in Antibody-mediated Alloimmune Response
R. Benedetti Gassen¹, N. Murakami², T. J Borges¹, A. Al Jurdi¹, A. Alessandrini¹, L. V Riella¹
¹Center of Transplantation Science, Massachusetts General Hospital, Boston, MA, ²Brigham and Women's Hospital, Boston, MA
*Purpose: Antibody mediated rejection is the leading cause of chronic allograft rejection. Developing a novel therapeutic target to inhibit chronic rejection is an urgent need…
2021 American Transplant Congress
Outcomes of IVIG Monotherapy for Donor-Specific Antibodies After Lung Transplantation
K. Spence, S. Heeney, M. Morrison, S. A. Rega, F. D. Irene, K. B. Harrison, C. M. Shaver
Vanderbilt University Medical Center, Nashville, TN
*Purpose: De novo donor-specific antibodies (DSA) are a risk factor for antibody mediated rejection (AMR) and poor clinical outcomes after lung transplant (LT). Intravenous immune…
2021 American Transplant Congress
Post-Transplant Idiopathic Immune Complex Glomerulonephritis
F. Aziz, T. Singh, N. Garg, D. Mandelbrot
University of Wisconsin, Madison, WI
*Purpose: The appropriate treatment for post-kidney transplant immune complex glomerulonephritis (ICGN) of unknown cause is unclear.*Methods: From 01/2004 to 12/2018, 71 patients were diagnosed with…
2020 American Transplant Congress
Recurrence of IgA Nephropathy after Kidney Transplantation – Tango Multicenter Study
A. Uffing¹, P. Cravedi², L. V. Riella¹
¹Brigham and Women's Hospital, Harvard Medical School, Boston, MA, ²Icahn School of Medicine at Mount Sinai, New York, NY
*Purpose: In patients with IgA nephropathy as the cause of ESKD, IgA deposits can recur in the transplanted kidney. However,the incidence and clinical impact of…
2020 American Transplant Congress
IgA Nephropathy Outcomes after Kidney Transplantation in an Early Corticosteroid Withdrawal Center
S. Kurian¹, S. Spierling², B. Barrick¹, J. Rice¹, J. Case¹, C. Marsh¹
¹Scripps Center for Organ and Cell Transplantation, La Jolla, CA, ²Scripps Whittier Diabetes Institute, La Jolla, CA
*Purpose: IgA nephropathy (IgAN) is the most frequent biopsy-proven primary glomerular disease. Recurrent IgA after transplantation often leads to allograft loss. A lower risk of…
2020 American Transplant Congress
Conversion to Belatacept (BLT)- from Calcineurin Inhibitor (CNI)-Based Immunosuppression During the First Year Post-Transplant (<1yr Tx) Increases Risk for CMV Infection Through Inhibition of Anti-CMV Humoral Immunity
B. Shin, N. Ammerman, S. Sethi, A. Vo, S. C. Jordan, M. Toyoda
Cedars-Sinai Medical Center, Los Angeles, CA
*Purpose: We have shown a higer CMV infection rate in kidney Tx patients (KTx Pts) who were converted to BLT 1yr post-Tx. Viral infections are…

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