Articles tagged "Antibodies"

2019 American Transplant Congress
Donor-Derived Cell-Free DNA (dd-cfDNA) Course after Rejection in Pediatric Kidney Transplant Recipients
R. D. Swinford¹, A. M. De Golovine¹, C. Bell¹, A. Pai¹, A. R. Edwards¹, S. Connor², J. S. Bynon¹
¹Pediatrics, UTHealth, McGovern Medical School, University of Texas at Houston, Houston, TX, ²Transplantation, Memorial Hermann Hospital, Houston, TX
*Purpose: Accurate identification of successful treatment for rejection (R) without repeat kidney biopsy (KB) in kidney transplantation is an unmet need. The few existing biomarkers…
2019 American Transplant Congress
Long Term Outcomes Using Tocilizumab For The Treatment Of Chronic Antibody Mediated Rejection
J. Choi¹, E. Huang¹, O. Aubert², A. Vo¹, A. Peng¹, R. Najjar¹, S. Sethi¹, N. Ammerman¹, K. Lim¹, D. Puliyanda¹, A. Loupy², S. Jordan¹
¹Comprehensive Transplant Center, Cedars-Sinai Medical Center, Los Angeles, CA, ²Paris Translational Center for Organ Transplantation, Paris, France
*Purpose: Limited options exist for the treatment of kidney allograft rejection and preservation of allograft function. We reported our experience with anti-IL-6R (tocilizumab, TCZ) as…
2019 American Transplant Congress
Significance of Histopathologic Features for Predicting Progression in Patients with Transplant Glomerulopathy
X. Li, J. Chen, D. Cheng, R. Wang, W. Wang, M. Zhang, F. Xu, J. Wen, Z. Tang
National Clinical Research Center of Kidney Diseases, Nanjing, China
*Purpose: Transplant glomerulopathy (TG) represents a major cause of long-term allograft failure and is the leading cause of overall post-transplant proteinuria. We aimed to determine…
2019 American Transplant Congress
Circulating De Novo Donor Specific Antibodies and Carotid Intima-Media Thickness in Pediatric Kidney Transplant Recipients
K. Sgambat¹, S. Clauss², A. Moudgil¹
¹Nephrology, Children's National, Washington DC, DC, ²Cardiology, Children's National, Washington DC, DC
*Purpose: Emerging evidence suggests that circulating de novo donor specific anti-HLA antibodies (dnDSA) may be associated with increased risk of accelerated systemic arteriosclerosis and major…
2019 American Transplant Congress
CD4 T Cell is Essential in an Innate-Immune Driven Ischemia-Reperfusion Injury in Mouse and Human
S. Kageyama¹, K. Kadono¹, H. Hirao¹, K. Nakamura¹, T. Ito², K. J. Dery¹, D. Oncel¹, R. A. Sosa³, E. F. Reed³, F. M. Kaldas², R. W. Busuttil², J. W. Kupiec-Weglinski¹, Y. Zhai¹
¹Surgery, Dumont-UCLA Transplant Center, Los Angeles, CA, ²Surgery, Ronald Reagan UCLA Medical Center, Los Angeles, CA, ³Pathology and Laboratory Medicine, David Geffen School of Medicine at University of California, Los Angeles, CA
*Purpose: Although CD4 T cells are critical in the mechanism of allograft rejection, little is known about their role in the innate immune-driven ischemia-reperfusion injury…
2019 American Transplant Congress
MELD Score and Anti-Angiotensin Receptor Antibody Predict Long-Term Survival of Liver Re-Transplant
Q. Xu¹, A. Skaro², V. C. McAlister²
¹Pathology and Lab Medicine, London Health Science Center, London, ON, Canada, ²Surgery, London Health Science Center, London, ON, Canada
*Purpose: Recent reports indicated important while inconsistent roles of preformed donor specific antibody (DSA) to HLA in liver transplantation. Re-transplant liver patients were understudied due…
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
Anti-cmv Antibody (cmv-ab) And Cmv-specific Cytotoxic T Cell (cmv-tc) Positivity Are Essential To Control Severe Viremia In Seronegative (sero[-]) Pediatric Kidney Transplant Recipients (ped Ktx Pts).
B. Shin, H. Pizzo, D. Puliyanda, A. Petrosyan, D. Lovato, S. C. Jordan, M. Toyoda
Cedars-Sinai Medical Center, Los Angeles, CA
*Purpose: CMV infection represents a significant morbidity factor in KTx Pts, especially CMV sero(-) Ped Pts as infections tend to be more severe and recurrent.…
2019 American Transplant Congress
Timing, Duration, and Source of Hepatitis C Virus (HCV) Antibodies (Ab) among HCV-Negative Recipients of an Organ from an HCV-Infected Donor
P. Porrett¹, P. Reese¹, E. Blumberg¹, P. Abt¹, R. Bloom¹, K. Reddy¹, V. Holzmayer², K. Coller², M. Kuhns², G. Cloherty², D. Goldberg¹
¹University of Pennsylvania, Philadelphia, PA, ²Abbott Labs, Chicago, IL
*Purpose: The opioid epidemic has increased the number of deceased donors with active (Ab+/NAT+) or prior (Ab+/NAT-) HCV infection. Increased utilization of these donor organs…
2019 American Transplant Congress
De Novo Complement-Activating Donor Specific Antibodies in Pediatric Renal Transplant Recipients Are Highly Responsive to Therapy
V. Sigurjonsdottir, A. Chaudhuri, P. Grimm
Pediatric Nephrology, Stanford, Los Altos, CA
*Purpose: Antibody mediated rejection remains a common cause for pediatric renal allograft loss. After recognizing that graft failure was more common in our pediatric renal…