ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Histology"

  • 2016 American Transplant Congress

    Plasma Cell Frequency in Renal Rejection After Treatment with Alemtuzumab.

    L. Mugge, A. Zimmerman, N. Varshney, A. Gohara, M. Rees, J. Ortiz.

    Transplantation, The University of Toledo, Toledo, OH.

    Background: The highly successful induction drug Alemtuzumab (Campath) is commonly used prior to renal transplant. Yet, it does not completely ablate plasma cell which, in…
  • 2016 American Transplant Congress

    Don't Judge a Book by Its Cover: Normal Liver Enzymes After Transplantation Can Be Associated with Pathologies Requiring Intervention.

    C. Sanchez,1 S. Kumer,2 S. Olson,1 R. Gilroy,1 T. Schmitt,2 B. Kane,2 R. Taylor.1

    1Hepatology/Transplant, University of Kansas, Kansas City, KS; 2Surgery, University of Kansas, Kansas City, KS.

    Background:Liver biopsies are employed post-transplant generally to evaluate abnormal liver enzymes (LE); however they are not without risk. Whether post-transplant protocol biopsies (PB) serve any…
  • 2016 American Transplant Congress

    Digital Kidney Biopsy Evaluation: Quantification of Macrophage Prevalence in a Cross Sectional Study.

    J. Schmitz,1 A. Khalifa,1 H. Haller,2 H. Kreipe,1 F. Feuerhake,1 J. Bräsen.1

    1Institute of Pathology, Hannover Medical School, Hannover, Germany; 2Department of Nephrology and Hypertension, Hannover Medical School, Hannover, Germany.

    Standardized markers based on quantitative and qualitative evaluation of immune cell mass and localization in kidney biopsies may help in diagnosis and prognosis in transplantation…
  • 2016 American Transplant Congress

    The Impact of Microvascular Inflammation (MVI) in Kidney Transplant Biopsies (KTxBx) Is Independent of Time Post-Transplant.

    R. Gaston,1 J. Grande,2 R. Leduc,3 The DeKAF Study Group.

    1Dept. of Medicine, University of Alabama at Birmingham, Birmingham, AL; 2Dept of Lab Medicine & Pathology, Mayo Clinic College of Medicine, Rochester, MN; 3Division of Biostatistics, U. Minnesota School of Public Health, Minneapolis, MN.

    Detection of MVI in a KTxBx, often associated with antibody mediated rejection, is associated with a poor prognosis for kidney graft survival. However most information…
  • 2016 American Transplant Congress

    Decellularized Rat Liver Scaffolds Support Multilineage Xenogenic and Heterogenic Cell Growth.

    W. Hassanein, U. Dhru, J. Woodall, M. Uluer, A. Cimeno, D. Parsell, C. Rivera, S. Klepfer, C. Drachenberg, R. Barth, J. LaMattina.

    University of Maryland School of Medicine, Baltimore, MD.

    Background:Recent years have seen a proliferation of methods leading to successful organ decellularization. Nonetheless, the ability to reproducibly generate a robust recellularized construct remains challenging.…
  • 2016 American Transplant Congress

    Treatment of Post-Transplant Focal Glomerulosclerosis: The Effect on Histopathology Lesions and Podocyte Foot Process Effacement.

    K. Koutroutsos,1 J. Moss,2 L. Moran,2 T. Cook,2 R. Charif,1 D. Taube,1 C. Roufosse,2 M. Loucaidou.1

    1Renal and Transplant Centre, Imperial Healthcare NHS Trust, London, United Kingdom; 2Department of Histopathology, Imperial Healthcare NHS Trust, London, United Kingdom.

    Background: Post-transplant Focal Segmental Glomerulosclerosis (FSGS) is associated with increased risk for renal allograft failure. It has been reported in the literature that podocyte foot…
  • 2015 American Transplant Congress

    Association Between Histological Abnormalities in Time-Zero Renal Biopsies and Post-Donation eGFR in Live Donors

    L. Fahmy, A. Massie, B. Orandi, S. Bagnasco, J. Alejo, B. Boyarsky, S. Anjum, R. Montgomery, N. Dagher, D. Segev.

    Johns Hopkins, Baltimore.

    Time-zero biopsies (T0-RBx) of live-donor kidneys may reveal histological abnormalities at the time of organ recovery. The association between T0-RBx and subsequent kidney function in…
  • 2015 American Transplant Congress

    Deceased Donor and Class II Donor Specific Antibody Predict Interface Activity While Increased Age at Time of Biopsy Predicts Fibrosis in Long-Term Pediatric Liver Allografts With Normal Liver Tests: iWITH Clinical Trial

    S. Feng,1 J. Bucuvalas,2 A. Demetris,3 K. Spain,4 G. Mazariegos,3 B. Burrell,5 iWITH Investigators.6

    1UCSF, SF; 2U Cincinnati, Cincinnati; 3U Pittsburgh, Pittsburgh; 4Rho, Chapel Hill; 5ITN, Bethesda; 6NIAID/NIDDK/ITN, Bethesda.

    Background: Although multiple single centers have reported deterioration of pediatric liver grafts in the face of normal liver tests, neither risk nor mechanism is understood.Methods:…
  • 2015 American Transplant Congress

    IL-21 Regulates Creation of Tertiary Lymphoid Organs in Chronic Allograft Rejection

    C. Baum,1 M. Khattar,2 P. Schroder,1 W. Chen,3 S. Stepkowski.1

    1Medical Microbiology and Immunology, University of Toledo College of Medicine, Toledo, OH; 2Department of Cancer Immunology and AIDS, Dana-Farber Cancer Institute, Boston, MA; 3Transplant Immunology Research Program, Houston Methodist Research Institute, Houston, TX.

    BACKGROUND: IL-21 is a cytokine expressed almost exclusively by cells of the adaptive immune system. This makes it an attractive target for reducing chronic allograft…
  • 2015 American Transplant Congress

    A Clinical Signature Surrogate of Histological Lesions to Avoid Unnecessary One Year Surveillance Biopsy After Renal Transplantation

    E. Dantan, K. Renaudin, S. Brouard, A. Huneau, C. Paul, M. Giral.

    Biostatitics, Nantes University, Nantes, France; Anatomo Pathology, University Hospital, Nantes, France; Immunology, Inserm UMR1064, Nantes, France; Biostatistics, Nantes University, Nantes, France; Immunology, Inserm UMR1064, Nantes, France; Nephrology, University Hospital, Nantes, France.

    Introduction:Surveillance biopsy remains debated after renal transplantation since the histological diagnostic do not lead to clear therapeutic recommendations. The main objective for this study was…
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