ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Rejection"

  • 2018 American Transplant Congress

    The BEST Trial: A Prospective Randomized Multicenter Trial of Belatacept-Based CNI- and Corticosteroid-Free Immunosuppression

    E. Woodle,1 D. Kaufman,2 A. Shields,1 J. Leone,3 A. Wiseman,4 A. Matas,5 P. West-Thielke,6 E. King,1 R. Alloway.1

    1U Cincinnati, Cincinnati; 2U Wisconsin, Madison; 3Tampa General, Tampa; 4U Colorado, Denver; 5U Minnesota, Minneapolis; 6UIC, Chicago.

    Previous large multicenter belatacept (BELA)-based CNI- and steroid-free immunosuppressive trials have not enrolled to completion due to safety concerns. The BEST Trial (Belatacept-based Early Steroid…
  • 2018 American Transplant Congress

    Autologous Adipose-Derived Stem Cells with In Vivo Immunomodulatory Properties Can Be Generated in Allograft Recipients under Immunosuppression

    A. Sicard,1 J. Rodriguez,2 P. Petruzzo,3 J. Kanitakis,4 O. Damour,2 L. Badet,5 A. Gazarian,6 F. Buron,1 O. Thaunat,1 K. Tarte,7 C. Mesnard,7 C. Auxenfans,2 E. Morelon.1

    1Department of Transplantation, Nephrology and Clinical Immunology, Edouard Herriot Hospital, Lyon, France; 2Cells and Tissue Bank, Edouard Herriot Hospital, Lyon, France; 3University of Cagliari, Cagliari, Italy; 4Department of Dermatology, Edouard Herriot Hospital, Lyon, France; 5Department of Urology and Transplantation, Edouard Herriot Hospital, Lyon, France; 6Clinique du Parc, Lyon, France; 7University Hospital of Rennes, Rennes, France.

    PurposeTo determine if it is possible to generate mesenchymal stem cells (MSC) with potent in vivo immunomodulatory properties in allograft recipients under immunosuppression, we analyzed…
  • 2018 American Transplant Congress

    CD40 Signaling in Proximal Tubules Regulates Fibrosis in Both Hypertension and Chronic Allograft Rejection

    V. Bletsos, J. Breidenbach, S. Haller, S. Stepkowski.

    University of Toledo College of Medicine and Life Sciences, Toledo, OH.

    Background: We explored the role of CD40 signaling in kidney proximal tubule epithelial cells on renal interstitial fibrosis (IF) in two models: hypertension; and chronic…
  • 2018 American Transplant Congress

    Long Term Histologic Allograft Health is Preserved Despite Rejection during Protocolized Immunosuppression Withdrawal (ISW) in Stable Pediatric Liver Transplant Recipients

    V. Venkat,1 J. Bucuvalas,2 M. Martinez,3 K. Spain,4 G. Mazariegos,1 A. Demetris,5 S. Feng.6

    1Children's Hospital, Pittsburgh; 2CCHMC, Cincinnati; 3Columbia, NY; 4Rho, Chapel Hill; 5UPMC, Pittsburgh; 6UCSF, San Francisco.

    Background: Long term allograft health after rejection during ISW has not been previously assessed. We compare baseline and 4yr graft histology of 20 rejectors in…
  • 2018 American Transplant Congress

    A Pre-Transplant Blood-Based Lipid Signature for Prediction of Antibody-Mediated Rejection in Kidney Transplant Patients

    G. Gupta, S. Bobba, D. Contaifer, P. Kimball, A. King, D. Kumar, M. Levy, J. Stern, D. Wijesinghe.

    Virginia Commonwealth University, Richmond.

    BACKGROUNDThere is a lack of biomarkers for pre-kidney transplant immune risk stratification to avoid over- or under-immunosuppression. Since the circulating lipidome is integrally involved in…
  • 2018 American Transplant Congress

    NK Cells in Allograft Kidney Biopsies during Rejection: Detection, Quantification, and Precise Localization Using Multiplex Immunofluorescence

    M. Terada,1 J. Duong Van Huyen,2 F. Drieux,4 C. Legendre,3 P. Bruneval,1 M. Rabant.2

    1Pathology Department, Georges Pompidou European Hospital, Paris, France; 2Pathology Department, Necker-Enfants Malades Hospital, Paris, France; 3Kidney Transplantation Department, Necker-Enfants Malades Hospital, Paris, France; 4Pathology Department, Centre Henri Becquerel, Rouen, France.

    Introduction: Among the complex cellular interplay engaged in renal rejection, recent transcriptomic analysis of renal biopsies has detected NK cell transcripts in the setting of…
  • 2018 American Transplant Congress

    Elevated Levels of CD19+ B Cells before or after Rituximab Administration is a Risk Factor for the Early Rejection of a Living Kidney Transplant

    M. Kono,1 H. Shirakawa,2 S. Wakai.1

    1Nephrology, Ohkubo Hospital, Tokyo, Japan; 2Urology, Ohkubo Hospital, Tokyo, Japan.

    [Introduction]Rituximab (RTX) is used for desensitization in highly sensitized patients, such as those undergoing ABO-incompatible (ABOi) kidney transplantation. Although RTX is generally effective, some patients…
  • 2018 American Transplant Congress

    Intensified Immunosuppression Improves Early Renal Allograft Function after Transplantation in a Porcine Model with Extended Asystolic Warm Ischemic Time

    M. Xu,1 X. Wang,1 S. Garcia-Aroz,1 B. Banan,1 B. Rabe,1 Z. Zhang,1 J. Jia,1 G. Upadhya,1 P. Manning,2 J. Gaut,3 Y. Lin,1 W. Chapman.1

    1Department of Surgery, Section of Abdominal Transplantation, Washington University School of Medicine, St. Louis, MO; 2Arch Oncology, St. Louis, MO; 3Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO.

    PURPOSE: Extensive ischemia-reperfusion injury significantly increases the immunogenicity of renal allograft which may be associated with increased risk of acute rejection (AR). This study investigated…
  • 2018 American Transplant Congress

    Impact of Psychosocial Variables on Renal Allograft Rejection Risk: A Multivariate Analysis

    D. Chernobylsky, K. Carsky, C. McDermott, P. Ferrin, R. Fernandez, I. Gaines, M. Killackey, R. Zhang, A. Paramesh, J. Buell.

    Transplant Surgery, Tulane University School of Medicine, New Orleans, LA.

    Transplant-specific risk factors for rejection are well documented, yet psychosocial variable correlation with rejection risk is not; this analysis seeks to determine the relationship between…
  • 2018 American Transplant Congress

    Reassessment of Virtual Crossmatch: The Clinical Meaning of Cell-Based Actual Crossmatch for Kidney Transplantation

    B. Peng,1,2 M. Yu,1,2 Q. Zhuang,1,2 H. Liu,1,2 L. Zhu,1,2 Y. Liu,1,2 K. Cheng,1,2 Y. Ming.1,2

    1Transplantation Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China; 2Engineering & Technology Research Center for Transplantation Medicine, National Ministry of Health, Changsha, Hunan, China.

    Background: Due to the high sensitivity and specificity of Luminex technique, the Luminex single antigen beads (LSAB) assays are widely used in detecting the HLA…
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