Articles tagged "Non-invasive diagnosis"

2022 American Transplant Congress
Correlation of Donor-Derived Cell-Free DNA with Histology and Molecular Diagnoses of T-cell Mediated Rejection in Kidney Transplant Biopsies
D. Kumar¹, I. Moinuddin¹, L. Kamal¹, M. Shinbashi¹, N. Raju¹, R. Minniti¹, F. Moran¹, P. Halloran², G. Gupta¹
¹Virginia Commonwealth University, Richmond, VA, ²University of Alberta, Edmonton, AB, Canada
*Purpose: We have reported the correlation of donor-derived cell-free DNA (dd-cfDNA) with histologic and molecular diagnosis (MMDx) of kidney transplant biopsies (Gupta et al, Transplantation…
2022 American Transplant Congress
Diagnostic Performance of Donor-Derived Cell-Free DNA Assay (AlloSure®) in Kidney Transplant Recipients with Graft Dysfunction: A Single Center Study
M. S. Naseer¹, H. Shokouh-Amiri², T. Creamer¹, R. McMillan², S. Tandukar¹, D. Aultman¹, G. B. Zibari¹, N. Singh¹
¹Transplant, John C. McDonald Regional Transplant Center - Willis Knighton Health System, Shreveport, LA, ²John C. McDonald Regional Transplant Center - Willis Knighton Health System, Shreveport, LA
*Purpose: Circulating donor-derived cell-free DNA (dd-cf-DNA) is a non-invasive biomarker of kidney allograft injury with a high negative predictive value for ruling out active rejection…
2022 American Transplant Congress
Can dd-cf DNA Eliminate Unnecessary Biopsies? The Answer is Yes!
K. Andreoni, Y. Chalicheemala, M. Debroy, M. Maklad, K. Zhao, M. Aeder, A. Jittirat, D. Ecabert, A. Bixby, C. Burrelli, K. Chavin
University Hospitals Cleveland Medical Center, Cleveland, OH
*Purpose: Historically our center has been one that routinely performs biopsies. We perform them pre-perfusion, for slowly recovering allografts between day 10-14, and routinely at…
2022 American Transplant Congress
Interleukin-31 (IL-31) and Leukemia Inhibitory Factor (LIF) Are Upregulated in Acute Rejection of Kidney Allograft
I. Striz, L. Krupickova, M. Fialova, M. Novotny, E. Cecrdlova, O. Viklicky
Institute for Clinical and Experimental Medicine, Praha, Czech Republic
*Purpose: Interleukin-31 (IL-31) and leukemia inhibitory factor (LIF) belong to the IL-6 cytokine family clustered by their pro-inflammatory properties and a shared signaling pathway of…
2022 American Transplant Congress
Can Fibroscan Evaluation Of A Liver Predict Transplantability As Accurately As A Biopsy?
S. J. Sander¹, M. Moncure²
¹Organ Procurement, Midwest Transplant Network, Westwood, KS, ²Midwest Transplant Network, Westwood, KS
*Purpose: Liver transplants are essential procedures that can impact a patient with chronic liver disease’s overall survival. Historically liver biopsies are the gold standard in…
2022 American Transplant Congress
Tissue Engineering Scaffolds for Minimally Invasive Immunosurveillance of Acute Cellular Graft Rejection
R. R. Urie¹, D. Farris², A. Morris¹, E. Lombard¹, J. Z. Li³, D. Goldstein², L. Shea¹
¹Biomedical Engineering, University of Michigan, Ann Arbor, MI, ²Internal Medicine, University of Michigan, Ann Arbor, MI, ³Human Genetics, University of Michigan, Ann Arbor, MI
*Purpose: As there is no assay to predict the risk of acute cellular allograft rejection (ACAR), clinicians rely on protocol graft biopsy and aggressive, one-size-fits-all…
2021 American Transplant Congress
Kidney Transplant Rejection Can Be Diagnosed or Even Predicted by Tracking Donor Reactive T Cell Clones in Post-transplant Samples
Y. Sambandam¹, M. Kandpal¹, J. He¹, X. Huang¹, T. S. Taylor¹, A. A. Shetty², J. M. Mathew¹, J. R. Leventhal¹
¹Surgery-Comprehensive Transplant Center, Northwestern University Feinberg School of Medicine, Chicago, IL, ²Medicine, Nephrology Division, Northwestern University Feinberg School of Medicine, Chicago, IL
*Purpose: To test if kidney transplant (KTx) rejection can be diagnosed by monitoring for donor reactive T-cell (DRTC) clones in post-transplant (post-tx) biopsy and non-invasively…
2021 American Transplant Congress
Donor-Derived Cell-Free DNA Levels Risk-Stratify Polyoma BK Viremia and Associated Clinical Events After Kidney Transplantation – Preliminary Results from ADMIRAL Study
A. Pai¹, L. Bu², J. S. Bromberg³, G. Gupta⁴, I. Moinuddin⁴, T. Alhamad⁵, V. Bowers⁶, S. Ghosh⁷, W. Tian⁷, E. Stites⁸, S. Anand⁹
¹University of Texas McGovern Medical School, Houston, TX, ²University of Minnesota, Minneapolis, MN, ³University of Maryland School of Medicine, Baltimore, MD, ⁴Virginia Commonwealth University, Richmond, VA, ⁵Washington University in St. Louis, St. Louis, MO, ⁶Tampa General Hospital, Tampa, FL, ⁷CareDx, Brisbane, CA, ⁸University of Colorado, Aurora, CO, ⁹Intermountain Medical Center, Murray, UT
*Purpose: The threshold of 10,000 copies for blood Quant BK PCR has been used as a surrogate for BK nephropathy (BKN) in kidney transplant recipients…
2021 American Transplant Congress
High Donor-Derived Cell-Free DNA Levels Predict Development of De Novo HLA Donor-Specific Antibodies After Kidney Transplantation – Data from the ADMIRAL Study
G. Gupta¹, T. Alhamad², V. Bowers³, I. Moinuddin¹, S. Ghosh⁴, J. Zeng⁴, E. Stites⁵, A. Pai⁶, J. S. Bromberg⁷, S. Anand⁸
¹Virginia Commonwealth University, Richmond, VA, ²Washington University in St. Louis, St. Louis, MO, ³Tampa General Hospital, Tampa, FL, ⁴CareDx, Brisbane, CA, ⁵University of Colorado, Aurora, CO, ⁶University of Texas McGovern Medical School, Houston, TX, ⁷University of Maryland School of Medicine, Baltimore, MD, ⁸Intermountain Medical Center, Murray, UT
*Purpose: Donor-derived cell-free DNA (dd-cfDNA) as a marker of injury can serve to quantify subclinical inflammation and molecular injury. As the release of graft genomic…
2021 American Transplant Congress
Urinary Exosomal Cystatin C and Lipopolysaccharide Binding Protein as Biomarkers for Monitoring Antibody-mediated Rejection After Kidney Transplantation
M. Kim, S. Lim, S. Shin
Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea, Republic of
*Purpose: This study aims to discover and validate urinary exosomal biomarkers for antibody-mediated rejection (ABMR) after kidney transplantation.*Methods: A total of 60 urine samples from…