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Articles tagged "Gene polymorphism"

  • 2022 American Transplant Congress

    Broad Panel Genetic Testing for Chronic Kidney Disease in the Transplant Center

    A. Bhalla1, D. Raible2, V. Balaraman1, M. Talwar1

    1James D. Eason Transplant Institute, Methodist University Hospital, Memphis, TN, 2Natera, Inc., Austin, TX

    *Purpose: Genetic testing is an emerging tool for ‌the evaluation of patients with end-stage renal disease (ESRD). In kidney transplantation (KT), testing can identify disease…
  • 2022 American Transplant Congress

    Utility of Genetic Testing in Kidney Transplant Evaluation

    N. Singh1, A. Palermini2, A. Qamar1, M. S. Naseer1, H. Shokouh-Amiri1, G. Zibari1, D. Aultman1, L. Beretich3, D. Luksic3, J. Gibson3, S. McCormick3, H. Tabriziani3, P. Billings3

    1Willis Knighton Physician's Network, John C. McDonald Regional Transplant Center, Shreveport, LA, 2Arkansas College of Osteopathic Medicine, Fort Smith, AR, 3Natera, Inc., Austin, TX

    *Purpose: Genetic testing is an emerging tool in pre-kidney transplant (KT) evaluations for individuals with end-stage renal disease (ESRD). A known genetic etiology can inform…
  • 2021 American Transplant Congress

    A Single Nucleotide Polymorphism within the FCGR3A 158 F/V Gene is Associated with Decreased Survival of Renal Allografts with Chronic Active Antibody-Mediated Rejection

    N. H. Litjens, A. M. Peeters, J. A. Kal-van Gestel, M. Klepper, M. G. Betjes

    Internal Medicine, Nephrology and Transplantation, Erasmus MC, University Medical Center, Rotterdam, Netherlands

    *Purpose: Long-term allograft survival has shown little improvement over the last decades. An important factor compromising long-term allograft survival in kidney transplantation is chronic active…
  • 2021 American Transplant Congress

    Cyp3a5 Extensive Metabolizer Phenotype May be Associated with an Increase in Class 2 Donor Specific Antibodies and Antibody-Mediated Rejection

    S. Mirza1, N. Wilson2, J. Van Zyl2, P. Nguyen2, T. Sam2, S. Hall2, M. Askar2, R. Patel2

    1Texas Tech Univeristy Health Sciences Center Jerry H. Hodge School of Pharmacy, Dallas, TX, 2Baylor University Medical Center at Dallas, Dallas, TX

    *Purpose: Tacrolimus (TAC) metabolism is highly dependent on CYP3A5, yet there is limited data on the effect of CYP3A5 genetic polymorphisms in heart transplant recipients…
  • 2021 American Transplant Congress

    Higher Number of Tacrolimus Dose Adjustments and Trough Level Measurements in Kidney Transplant Recipients with CYP3A5*1 Alleles

    K. Reininger1, G. Onyeaghala2, T. Anderson-Haag1, B. Wu2, W. Guan2, C. R. Dorr2, R. Remmel2, R. Mannon3, A. Matas2, W. Oetting2, A. Israni1, P. Stahler1, P. Jacobson2

    1Hennepin County Medical Center, Minneapolis, MN, 2University of Minnesota, Minneapolis, MN, 3University of Nebraska Medical Center, Omaha, NE

    *Purpose: Tacrolimus (TAC) metabolism is dependent on the functional status of the cytochrome P450 family enzyme CYP3A5 which has three common loss of function (LoF)…
  • 2021 American Transplant Congress

    Extreme Phenotype Sampling and Next Generation Sequencing to Identify Genetic Variants Associated with Tacrolimus Metabolism in African American Kidney Transplant Recipients

    C. R. Dorr1, B. Guo2, B. Wu2, J. Abrahante2, D. Schladt3, R. Remmel2, W. Guan2, A. Muthusamy3, G. Onyeaghala3, N. Pankratz2, A. Matas2, R. Mannon4, W. Oetting2, P. Jacobson2, A. K. Israni3

    1Hennepin Healthcare Research Institute, Minneapolis, MN, 2University of Minnesota, Minneapolis, MN, 3Nephrology, Hennepin Healthcare Research Institute, Minneapolis, MN, 4University of Nebraska Medical Center, Omaha, NE

    *Purpose: Tacrolimus (TAC) pharmacogenomics studies identified common genetic variants that alter TAC troughs suggesting strategic dosing for specific populations. Common variants and clinical factors explain…
  • 2020 American Transplant Congress

    Impact of CYP3A5 Phenotype on Early Time in Therapeutic Range among Pediatric Renal and Heart Transplant Recipients

    A. Leino, A. Pasternak

    University of Michigan, Ann Arbor, MI

    *Purpose: Tacrolimus time in therapeutic range (TTR) as a measure of intra-patient variability has been associated with poor long-term outcomes. Multiple factors may contribute to…
  • 2020 American Transplant Congress

    FcγRIIIb Inhibits Renal Transplant Rejection by Inducing Neutrophils Apoptosis

    J. Zhang, J. Chen

    Kidney Disease Center, The First Affiliated Hospital of Zhejiang University, Hangzhou, China

    *Purpose: Fcγ receptors (FcγR) have been proposed to be involved in the pathogenesis of acute rejection (AR) after organ transplantation. However, the mechanisms by which…
  • 2020 American Transplant Congress

    A Single Nucleotide Polymorphism of Tweak Predicts Arterio- and Arteriolohyalinosis in Kidney Transplants and is Associated with Allograft Survival

    A. Karolin1, D. Thottan1, J. Zinsli1, S. Rudloff1, U. Huynh-Do1, V. Banz2, T. Berney3, M. Pascual4, T. Müller5, P. d’Amico6, I. Binet7, D. Sidler1

    1Nephrology and Hypertension, University Bern, Bern, Switzerland, 2University Bern, Bern, Switzerland, 3University Hospital Genevia, Genevia, Switzerland, 4University Hospital Lausanne, Lausanne, Switzerland, 5University Hospital Zurich, Zurich, Switzerland, 6Hospital St.Gallen, St.Gallen, Switzerland, 7University Hospital Basel, Basel, Switzerland

    *Purpose: We have recently demonstrated that the TNF superfamily member is critical for the pathogenesis of Calcineurin Inhibitor Toxicity (CNT). CNT is a common side…
  • 2020 American Transplant Congress

    Impact of Donor Race on Tacrolimus Dose Requirement for Liver Transplant Recipients

    N. Nesselhauf1, S. January1, J. Hagopian1, K. Progar1, A. Khan2

    1Pharmacy, Barnes-Jewish Hospital, St. Louis, MO, 2Surgery, Washington University School of Medicine, St. Louis, MO

    *Purpose: It is well described that there is interpatient variability in tacrolimus dose requirements among transplant recipients. CYP3A5 plays a role in this variability. Black…
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