Articles tagged "Non-invasive diagnosis"

2022 American Transplant Congress
dd-cfDNA Varies Among Diagnostics Groups of Pulmonary AMR
D. Levine¹, C. Giner¹, C. Pham², R. Woodward³, A. Roux⁴
¹University of Texas Health System San Antonio, San Antonio, TX, ²CareDX, South San Francisco, CA, ³CareDx, South San Francisco, CA, ⁴Pneumology, Adult CF Center and Lung Transplantation Department, Foch Hospital, Suresnes, France
*Purpose: Antibody mediated rejection (AMR) in lung transplant remains complex, with differential diagnosis often overlapping with other causes of lung dysfunction. Diagnostic certainty declines to…
2022 American Transplant Congress
The Unique Course of dd-cfDNA After Lung Transplant
D. Levine¹, C. Giner¹, C. Pham², R. Woodward³, A. Roux⁴
¹University of Texas Health System San Antonio, San Antonio, TX, ²CareDX, South San Francisco, CA, ³CareDx, South San Francisco, CA, ⁴Pneumology, Adult CF Center and Lung Transplantation Department, Foch Hospital, Suresnes, France
*Purpose: The time necessary for dd-cfDNA to reach baseline levels following transplantation has been reported in kidney, heart, and liver as 14-21 days. We explored…
2022 American Transplant Congress
Urinary Cell mRNA Profile Diagnosis of Borderline TCMR in Kidney Allografts
T. Salinas¹, C. Li¹, C. Snopkowski¹, K. Chen¹, S. Albakry¹, S. P. Salvatore², S. Seshan², J. R. Lee¹, M. Thangamani¹, D. Dadhania¹, M. Suthanthiran¹
¹Nephrology, Weill Cornell-NYPH, New York, NY, ²Pathology, Weill Cornell-NYPH, New York, NY
*Purpose: Borderline T cell-mediated rejection (BR) is associated with inferior outcomes. In the multicenter CTOT-04 study, we discovered and validated a urinary cell three-gene signature…
2022 American Transplant Congress
Clinical Validation of Automated Urinary Chemokine Assays for Non-Invasive Detection of Kidney Transplant Rejection: A Large Prospective Cohort Study
E. Van Loon¹, C. Tinel¹, J. Callemeyn¹, M. Coemans¹, A. Van Craenenbroeck¹, T. Vaulet², D. Anglicheau³, M. Naesens¹
¹Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium, ²ESAT STADIUS Center for Dynamical Systems, KU Leuven, Leuven, Belgium, ³Department of Nephrology and Kidney Transplantation, Necker Hospital, Paris, France
*Purpose: Non-invasive diagnostic markers for kidney transplant rejection can provide useful information but often do not reach the clinical implementation stage. The chemokines CXCL9 and…
2022 American Transplant Congress
Development and Validation of a Machine Learning Based Virtual Biopsy System in Kidney Transplant Patients
D. Yoo¹, G. Divard¹, M. Raynaud¹, A. Bentall², M. Stegall³, M. Naesens⁴, I. Batal⁵, S. Coley⁶, J. Gill⁷, M. Mengel⁸, L. Cornell³, M. P. Alexander², T. Coates⁹, C. Legendre¹⁰, P. Reese¹¹, c. lefaucheur¹², O. Aubert¹, A. Loupy¹
¹Paris Transplant Group, Paris, France, ²-, -, AL, ³Mayo Clinic, Rochester, MN, ⁴Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium, ⁵Columbia University Medical Center, Scarsdale, NY, ⁶Columbia University, New York, NY, ⁷University of British Columbia, Vancouver, BC, Canada, ⁸University of Alberta, Edmonton, AB, Canada, ⁹University of Adelaide, Adelaide, Australia, ¹⁰Hopital Necker, Paris, France, ¹¹University of Pennsylvania, Philadelphia, PA, ¹²Hôpital Saint-Louis, Paris, France
*Purpose: In kidney TX, day-zero biopsies are used to assess organ quality and discriminate lesions inherited from the donor or acquired after transplantation. However, many…
2022 American Transplant Congress
Urinary Cell CTOT-04 Signature is Diagnostic of Glomerulitis in Kidney Allograft Biopsies
T. Salinas¹, C. Li¹, C. Snopkowski¹, K. Chen¹, S. Albakry¹, S. Salvatore², S. Seshan², J. R. Lee¹, M. Thangamani¹, D. Dadhania¹, M. Suthanthiran¹
¹Nephrology, Weill Cornell-NYPH, New York, NY, ²Pathology, Weill Cornell-NYPH, New York, NY
*Purpose: Antibody mediated rejection is a significant complication after kidney transplantation and is an important cause of allograft failure. In the multicenter CTOT-04 study, we…
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…

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