Articles tagged "Immunoglobulins (Ig)"

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
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
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…
2020 American Transplant Congress
Carfilzomib-Based Desensitization: Effects on HLA, Non-HLA, Auto, and Antiviral Antibodies
S. Tremblay¹, E. Portwood¹, A. R. Shields², R. R. Alloway¹, P. A. Brailey¹, E. Woodle¹
¹U Cincinnati, Cincinnati, OH, ²U Cincinnati, Christ Hospital, Cincinnati, OH
*Purpose: An important question in plasma cell (PC) therapies is the specificity of therapy for PC populations. It is known that plasmablast populations are exquisitely…
2020 American Transplant Congress
Novel micro-RNA and Microbiome Signature Profiles as Biomarkers for Predicting the Risk of Autoimmune Type 1 Diabetes Development
P. Chhabra¹, G. Ricardo¹, A. Spano², V. Mas¹, M. Timko², K. Brayman¹
¹Dept of Surgery, University of Virginia Health System, Charlottesville, VA, ²Dept of Biology, University of Virginia Health System, Charlottesville, VA
*Purpose: To identify reliable microRNA (miRNA) and microbiome biomarkers for predicting risk of autoimmune beta-cell destruction in type 1 diabetes (T1D) and to investigate alterations…
2020 American Transplant Congress
Renal Safety of Entecavir and Tenofovir with Hepatitis B Immunoglobulin in Liver Transplant Patients
J. Lee¹, E. Kim¹, S. Yang¹, D. Kim², S. Kim¹, J. Park³, H. Choi⁴, B. Kim³, D. Joo¹, M. Kim¹, S. Kim¹, J. Lee¹
¹Department of Transplantation Surgery, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea, Republic of, ²Department of Surgery, Wonju Severance Hospital, Yonsei University College of Medicine, Wonju, Korea, Republic of, ³Department of Internal Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea, Republic of, ⁴Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea, Republic of
*Purpose: Combination of potent nucleos(t)ide analougues (NAs) and hepatitis B immunoglobulin is recommended after liver transplantation for the prevention of hepatitis B virus (HBV) recurrence.…
2020 American Transplant Congress
Long-Term Islet Allo- and Xenograft Survival is Promoted by Immunoglobulin M Immunotherapy
M. Ma, K. Brayman, P. Chhabra
Department of Surgery, University of Virginia Health System, Charlottesville, VA
*Purpose: To investigate if islet allo- and xenotransplant rejection is mitigated by IgM immunotherapy.*Methods: a) New onset diabetic NOD mice (n=14) were treated with IgM…
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…