Articles tagged "Reverse transcriptase PCR"

2022 American Transplant Congress
EBV+ PTLD Tumor MicroRNAs Detected in Circulating Extracellular Vesicles Are Decreased in Pediatric Transplant Recipients with EBV+ PTLD
A. Sen¹, J. Enriquez¹, M. Rao¹, M. Glass¹, Y. Balachandran¹, S. Syed¹, C. Twist¹, K. Weinberg¹, S. D. Boyd¹, D. Bernstein¹, A. Trickey¹, D. Gratzinger¹, B. Tan¹, M. G. Lapasaran¹, M. A. Robien², M. Brown³, B. Armstrong⁴, M. Sever⁴, D. Desai⁵, G. Mazariegos⁶, C. Chin⁷, T. Fishbein⁸, R. S. Venick⁹, A. Tekin¹⁰, H. Zimmermann¹¹, R. U. Trappe¹², C. O. Esquivel¹, O. M. Martinez¹, S. M. Krams¹
¹Stanford U, Palo Alto, CA, ²NIH, Bethesda, MD, ³NIAID, Bethesda, MD, ⁴Rho, Durham, NC, ⁵UT Southwestern, Dallas, TX, ⁶Pittsburgh U, Pittsburgh, PA, ⁷CCHMC, Cincinnati, OH, ⁸Georgetown U, Washington, DC, ⁹UCLA, LA, CA, ¹⁰Miami U, Miami, FL, ¹¹DIAKO Ev. Diakonie-Krankenhaus, Bremen, Germany, ¹²Charité - Universitätsmedizin, Berlin, Germany
*Purpose: Post-transplant lymphoproliferative disorder (PTLD) is a serious complication of solid organ transplantation. Predisposing factors for PTLD include primary Epstein-Barr virus (EBV) infection in children,…
2022 American Transplant Congress
Kidney Transplantation Utilizing SARS-CoV-2 Rt-PCR Positive Donor Kidneys with Immediate Post Exposure Casirivimab /Imdevimab Followed by Thymoglobulin Induction
S. K. Patel¹, E. Siskind¹, M. Laftavi¹, J. Splinter¹, E. Shipman², S. Shah¹, S. Nijim¹, A. Adekile¹, S. Asad¹
¹Center for Transplantation, University Medical Center of Southern Nevada, Las Vegas, NV, ²Nevada Donor Network, Las Vegas, NV
*Purpose: At the beginning of the pandemic, kidneys from SARS-CoV-2 (COVID) RT-PCR positive donors were not utilized for transplantation, due to the risk of viral…
2021 American Transplant Congress
A Noninvasive Diagnostic Approach for Molecular Monitoring of Face Transplant Recipients
C. Snopkowski¹, P. Rabbani², H. Yang¹, Z. Berman², G. Diep², C. Li¹, T. Muthukumar¹, R. Ding¹, D. Ceradini², M. Suthanthiran¹
¹Weill Cornell Medical Institute, Department of Medicine, Division of Nephrology, NY, NY, ²NYU Langone Health, Hansjörg Wyss Department of Plastic Surgery, NY, NY
*Purpose: Skin biopsies are currently the gold standard for evaluating the inflammatory status of face allografts. However, “tape stripping” is emerging as a noninvasive technique…
2021 American Transplant Congress
Results of Litmus (nct 02541916): The Liver Immune Tolerance Bio Marker Utilization Study
A. Chruscinski¹, V. Rojas-Luengas¹, A. Issacher¹, L. Lilly¹, E. Renner¹, M. Epstein¹, O. Adeyi¹, S. Fischer¹, Z. Galvin¹, S. Moshkelgosha¹, E. Jaeckel², S. Juvet¹, N. Selzner¹, G. Levy¹
¹Multi-Organ Transplantation, University Health Network, Toronto, ON, Canada, ²Hannover Medical School, Hannover, Germany
*Purpose: Although it is known that some liver transplant recipients are operationally tolerant and can be weaned off immunosuppression (IS), there is not currently a…
2019 American Transplant Congress
Results of Litmus (nct 02541916): The Liver Immune Tolerance Bio Marker Utilization Study
A. Chruscinski¹, V. Rojas-Luengas¹, S. Moshkelgosha¹, J. Luo², H. Yowanto², Z. Galvin¹, L. Lilly¹, R. Smith¹, E. Renner¹, J. Zhang¹, D. Grant¹, O. Adeyi¹, H. Atkins³, P. Juni⁴, N. Selzner¹, S. Juvet¹, G. Levy¹
¹Multi-Organ Transplantation, University Health Network, Toronto, ON, Canada, ²Sciex, Brea, CA, ³Ottawa Hospital Research Institute, Ottawa, ON, Canada, ⁴University of Toronto, Toronto, ON, Canada
*Purpose: Previously we reported a novel biomarker gene set for the identification of tolerance in murine models of rapamycin-induced cardiac tolerance and spontaneous hepatic tolerance.…
2017 American Transplant Congress
Biopsies (Bx) of Renal Allografts with Antibody- + Cell-Mediated Rejection (ABMR/CMR) Exhibit Gene Expression Signatures from Both Types of Rejection.
H. Zhang,¹ C. Nast,² J. Doldron,² M. Cheung,² J. Mirocha,³ J. Kahwaji,¹ A. Vo,¹ S. Jordan,¹ M. Toyoda.¹
¹Transplant Immunology Laboratory, Cedars-Sinai Medical Center, Los Angeles; ²Pathology, Cedars-Sinai Medical Center, Los Angeles; ³Biostatistics Center, Cedars-Sinai Medical Center, Los Angeles
Background: In HLA-sensitized kidney transplant patients (Pts) the concomitant presence of ABMR/CMR on Bx is associated with a more severe and (&) usually irreversible injury…
2017 American Transplant Congress
Similar Elevation of Gene Expression Associated with Antibody-Mediated Rejection (ABMR) of Renal Allografts Can Be Detected in Both Plasma Exosomes (pExo) and Biopsies (Bx) by Assessing mRNA Transcript Profiles.
H. Zhang,¹ C. Nast,² J. Doldron,² M. Cheung,² J. Mirocha,³ J. Kahwaji,¹ A. Vo,¹ S. Jordan,¹ M. Toyoda.¹
¹Transplant Immunology Laboratory, Cedars-Sinai Medical Center, Los Angeles; ²Pathology, Cedars-Sinai Medical Center, Los Angeles; ³Biostatistics Center, Cedars-Sinai Medical Center, Los Angeles
Background: ABMR is a major obstacle for successful transplant in HLA-sensitized patients (Pts). Prediction of ABMR by non-invasive diagnostic tools is desirable. Previously we showed…
2016 American Transplant Congress
Identification of MicroRNAs in EBV⁺ B Cell Lymphomas and Secreted Exosomes.
V. Kaul, A. Harris-Arnold, C. Esquivel, O. Martinez, S. Krams.
Division of Abdominal Transplantation, Dept. of Surgery, Stanford University, Stanford.
Introduction Post-transplant lymphoproliferative disorder (PTLD) is a potentially fatal complication of organ transplantation commonly associated with Epstein Barr virus (EBV) infection. EBV viral loads are…
2015 American Transplant Congress
Non-Invasive Diagnosis of Post Kidney Transplant Complications by Urinary Exosomal mRNA Analysis
H. Harada,¹ T. Murakami,² C. Yamamoto,² M. Mitsuhashi.²
¹Kidney Transplant Surgery, Sapporo City General Hospital, Sapporo, Japan; ²Hitachi Chemical Research Center, Inc., Irvine, CA.
IntroductionMonitoring of kidney allograft status is important for the graft longevity. Conventional urinary markers are not sensitive and specific enough to diagnose graft injuries so…
2015 American Transplant Congress
Hypothermic Machine Preservation Reduces Inflammatory, Hypoxic and Apoptotic Injuries in Human Liver Transplantation
J. Guarrera, C. Bae, S. Henry.
Center for Liver Disease and Transplantation, Columbia University Medical Center, New York, NY.
Introduction: Hypothermic machine perfusion (HMP) is in its infancy in Liver Transplantation. We analyzed all molecular samples from our cumulative clinical experience at Columbia University.Methods:…