ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Gene expression"

  • 2016 American Transplant Congress

    Circulating miR-215, miR-let-7c miR-154, miR-193a, NR_036506.1 and NR_027669.1 as Biomarkers Predict Fungal Infection in Post-Transplanted Recipients.

    A. Yang, Z. Guo, W. Ju, C. Zhang, Z. Li, X. Yuan, Q. Zhao, H. Ye, Y. Liao, X. Zhu, X. He.

    Organ Transplantation Center, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China.

    Aims: The incidence of fungal infection in post-transplanted patients is 13%-17%, which seriously effecting perioperative survival and increasing their economic burden. We wanted to find…
  • 2016 American Transplant Congress

    Effect of Complement Inhibition Therapy (Eculizumab) in Patients with C1q-Binding Donor-Specific Anti-HLA Antibodies: A Molecular Appraisal.

    C. Lefaucheur,1 L. Hidalgo,2 J. Reeve,2 D. Viglietti,1 C. Gosset,1 O. Aubert,3 C. Ulloa,3 C. Legendre,3 D. Glotz,1 P. Halloran,2 A. Loupy.3

    1Saint-Louis Hospital, Paris, France; 2University of Alberta, Edmonton, Canada; 3Necker Hospital, Paris, France.

    Complement-binding anti-HLA DSA have demonstrated higher rejection rate and decreased allograft outcome. We investigated the effect of terminal complement inhibition (Eculizumab) in a cohort of…
  • 2016 American Transplant Congress

    Assessment of Molecular Mechanisms of Non-Transplant Cardiac Hypertrophy in Cardiac Allograft Hypertrophy – An Exploratory Gene Array Study of Myocardial Biopsy Samples.

    R. Araujo-Gutiérrez,1,2 S. Ibarra-Cortez,1,2 M. Park,1 J. Estep,1 G. Ashrith,1 B. Trachtenberg,1 G. Torre-Amione,1 K. Youker,1,2 A. Bhimaraj.1

    1Houston Methodist DeBakey Heart & Vascular Center, Houston, TX; 2Houston Methodist Research Institute, Houston, TX.

    Cardiac Allograft Hypertrophy (CAH) develops in up to 80% of patients as early as six months post-transplant, and is associated with decreased quality of life…
  • 2016 American Transplant Congress

    Marked Alterations in Gene Expression in Peripheral Blood Leukocytes of Kidney Transplant (tx) Recipients Following Mycophenolic Acid (MPA) Treatment.

    K. Sanghavi,1 B. Wu,1 C. Dorr,2 A. Muthuswamy,2 W. Guan,1 D. Schladt,2 R. Remmel,1 D. Ilke,3 A. Matas,1 A. Israni,2 W. Oetting,1 P. Jacobson.1

    1University of Minnestoa, Minneapolis; 2MMRC, Hennepin County Medical Center, Minneapolis; 3Rho.

    MPA exerts its immunosuppressive activity by inhibiting IMPDH2 enzyme, halting DNA synthesis in T and B lymphocytes. Cell culture models have shown MPA effects on…
  • 2016 American Transplant Congress

    Molecular Assessment of Kidney Transplant Biopsies Performs Similarly in Medulla and Cortex.

    K. Madill-Thomsen,1 J. Reeve,1 G. Bohmig,2 F. Eskandary,2 P. Halloran.1,3

    1Alberta Transplant Applied Genomics Center, Edmonton, AB, Canada; 2Department of Nephrology and Dialysis, Medical University of Vienna, Vienna, Austria; 3Department of Medicine, Division of Nephrology and Transplant Immunology, University of Alberta, Edmonton, AB, Canada.

    Histologic assessment of kidney biopsies is usually unable to interpret medulla, but molecular changes associated with rejection likely occur in both medulla and cortex. Analysis…
  • 2016 American Transplant Congress

    Gene Expression Levels of Advanced Heart Failure Patients in Terms of Coagulation and Its Effect within Multiple Organ Dysfunction Syndrome.

    R. Togashi, E. Chang, N. Wisniewski, M. Cadeiras, G. Bondar, E. Reed, M. Deng.

    Medicine Cardiology, UCLA, Los Angeles, CA.

    MOD is progressive organ failure amongst 2 or more organs. Innate-immunity/inflammation-related coagulopathies can cause disseminated clotting in vasculature leading to organ failure. Purpose is to…
  • 2016 American Transplant Congress

    Serial Peripheral Blood Mononuclear Cell Expression Profiling Reveals Inflammatory Genomic Storm Following Mechanical Circulatory Support Surgery.

    G. Godoy,1 G. Bondar,1 A. Esmaeili,1 E. Arellano,1 E. Chang,1 M. Bakir,1 J. Chittoor,1 R. Togashi,1 N. Fazli,1 C. Starling,1 E. Oh,1 S. Toluie,1 Z. Yang,2 D. Tran,1 M. Cadeiras,1 N. Wisniewski,1 M. Kwon,1 J. Schaenman,1 Y. Korin,1 M. Rosetti,1 E. Reed,1 M. Deng.1

    1University of California, Los Angeles, Los Angeles, CA; 2Shanxi Medical University First Hospital, Taiyuan, Shanxi, China.

    Introduction: The main cause of death in patients with Advanced Heart Failure (AdHF) is the Multi-Organ Dysfunction (MOD) Syndrome. Immune system aberrancy after Mechanical Circulatory…
  • 2016 American Transplant Congress

    Molecular Profiles of Renal Allograft Rejection.

    Z. Hajjiri, P. Finn, D. Perkins.

    Internal Medicine/Renal Medicine, University of Illinois at Chicago, Chicago, Il.

    Introduction: The gold standard for the diagnosis of allograft rejection is the Banff Classification, yet it shows substantial variability among pathologists. Using molecular signatures of…
  • 2016 American Transplant Congress

    Gene Expression Profiling Score and the Risk of Infection in Heart Transplant Recipients.

    J. Teuteberg,1 D. Budge,2 M. Shullo,1 S. Hall,3 J. Kobashigawa.4

    1University of Pittsburg, Pittsburgh, PA; 2Intermountain Medical Center, South Lake City, UT; 3Baylor University Medical Center, Dallas, TX; 4Cedars-Sinai Heart Institute, Los Angeles, CA.

    Purpose: This study assessed the association of gene expression profiling (GEP, AlloMap®) score with infections in heart transplant recipients (HTR). Although a GEP score below…
  • 2016 American Transplant Congress

    A New Diagnostic Score for Microvascular Inflammation in Antibody-Mediated Rejection in Heart Transplantation.

    M. Racapé,1 A. Loupy,2 R. Guillemain,1 A. François,3 P. Rouvier,4 C. Toquet,5 X. Jouven,1 J. Venner,6 L. Hidalgo,6 J. Reeve,6 P. Bruneval,1 J. Duong Van Huyen,2 P. Halloran.2

    1European Georges Pompidou Hospital, Paris, France; 2Necker Hospital, Paris, France; 3Rouen University Hospital, Rouen, France; 4La Pitié Salpêtrière Hospital, Paris, France; 5Laennec Hospital, Nantes, France; 6University of Alberta, Edmonton, Canada.

    BackgroundThe ISHLT working formulation defines Intravascular Activated Mononuclear Cells (IAMC) as one of the histopathologic features of antibody-mediated rejection (ABMR) in heart transplantation. However, no…
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