Articles tagged "Gene expression"

2020 American Transplant Congress
Evolution of Molecular MMDx Scores after Kidney Transplantationin Different Donor Categories
P. Hruba¹, K. S. Madill-Thomsen², M. Mackova², J. Maluskova³, E. Honsova³, J. Slatinska⁴, P. F. Halloran², O. Viklicky⁴
¹Transplant Laboratory, IKEM, Prague, Czech Republic, ²ATAGC, University of Alberta, Edmonton, AB, Canada, ³Department of Pathology, IKEM, Prague, Czech Republic, ⁴Department of Nephrology, IKEM, Prague, Czech Republic
*Purpose: The outcome of kidney transplantation is highly affected by donor category. Little is known about molecular processes which may underline this phenomenon.*Methods: Using Molecular…
2020 American Transplant Congress
Coagulation and Cd46 Transgene Modification in Neonatal Porcine Islet Xenotransplantation
M. Song, Z. Fitch, K. Samy, Q. Gao, R. P. Davis, F. Leopard, R. Schmitz, N. Huffman, G. Devi, B. Collins, A. D. Kirk
Surgery, Duke University, Durham, NC
*Purpose: Vascular thrombosis is a potential cause for early intraportal xeno-islet loss. To better understand the relationship between coagulation and inflammation in early xeno-islet transplantation,…
2020 American Transplant Congress
To Donate or Not to Donate? The Balancing Act of Apol-1 Genetic Testing in Potential Living Kidney Donors of African Descent in Resource Limited Countries
O. Ekwenna¹, C. Okwuonu², I. Thoms³
¹University of Toledo College of Medicine, Toledo, OH, ²Nephrology and Medicine, Federal Medical Center Umuahia, Umuahia, Nigeria, ³Nephrology and Medicine, Mt. St John Medical Center, St. John, Antigua and Barbuda
*Purpose: To report our findings of APOL-1 testing in individuasl of African descent presenting as potential living kidney donors in resource limited countries; Antigua and…
2020 American Transplant Congress
Noninvasive Detection of Subclinical Rejection in Urine RNA
K. S. Keslar¹, D. Margeta¹, J. J. Friedewald², M. Abecassis², R. B. Mannon³, P. S. Heeger⁴, R. L. Fairchild¹
¹Cleveland Clinic, Cleveland, OH, ²Northwestern University, Chicago, IL, ³University of Alabama at Birmingham, Birmingham, AL, ⁴Icahn School of Medicine, New York, NY
*Purpose: Subclinical rejection may lead to long-term graft injury and can currently only be detected by repeated biopsies. A noninvasive method is needed to monitor…
2020 American Transplant Congress
A Monocyte-Derived MicroRNA Signature for Antibody-Mediated Rejection in Kidney Transplantation
C. Tinel¹, B. Lamarthée¹, F. Von Tokarski¹, M. Rabant², C. Legendre¹, W. Gwinner³, M. Naesens⁴, P. Marquet⁵, D. Anglicheau¹
¹Kidney Transplantation, Inserm U1151, Necker Hospital, Paris, France, ²Pathology, Necker Hospital, Paris, France, ³Nephrology, Hannover Medical School, Hannover, Germany, ⁴Nephrology and Renal Transplantation, University Hospitals Leuven, Leuven, Belgium, ⁵Nephrology, Dialysis and Transplantation, Inserm U850, Limoges University Hospital, Limoges, France
*Purpose: MicroRNAs (miRNAs) are small noncoding RNAs which regulate mRNA expression at the posttranscriptional level. We investigated blood miRNAs as non-invasive biomarkers in kidney transplantation…
2020 American Transplant Congress
The Effect of Human Thrombomodulin on Thrombotic Complications in Life Supporting Pig-to-Baboon Cardiac Xenotransplantation
C. E. Goerlich¹, A. Singh¹, D. Kaczorowski¹, M. Abdullah¹, B. Lewis¹, I. Tatarov¹, A. Hershfeld¹, T. Zhang¹, P. Odonkor¹, E. Strauss¹, B. Williams¹, D. Ayares², M. Mohiuddin¹
¹Surgery, University of Maryland School of Medicine, Baltimore, MD, ²Revivicor, Blacksburg, VA
*Purpose: Transplantation of organs from animals to humans (xenotransplantation) has been proposed to address the critical shortage of organs for transplantation. The use of genetically…
2020 American Transplant Congress
Femto Pulse Analysis of Exosome RNA from Plasma of Renal Transplant Patients Confirmed the Unique Benefits of Plasma Exosome for Messenger RNA (mRNA) Transcript Analysis
H. Zhang¹, K. Wong², S. C. Jordan³, D. Warzak², M. Toyoda¹
¹Transplant Immunology Laboratory, Cedars-Sinai Medical Center, Los Angeles, CA, ²Agilent Technologies, Inc., Ankeny, IA, ³Comprehensive Transplant Center, Cedars-Sinai Medical Center, Los Angeles, CA
*Purpose: Previously, we reported the feasibility of measuring the mRNA transcript levels of various genes in plasma exosomes of renal transplant patients for prediction of…
2020 American Transplant Congress
Gene Expression Dynamics Demonstrate Perturbations in Innate and Adaptive Immunity in Kidney Transplantation Patients with Cytomegalovirus Viremia
R. Ahn, J. Schaenman, Z. Qian, V. Groysberg, M. Rossetti, A. Hoffmann, D. Gjertson, M. Deng, E. F. Reed
University of California Los Angeles, Los Angeles, CA
*Purpose: Cytomegalovirus (CMV) viremia and disease continues to cause significant morbidity and mortality in kidney transplant patients with clinical complications including organ rejection and death.…
2020 American Transplant Congress
In Silico Deconvolution of Whole Blood RNA-Seq Data from Iscalimab Phase IIa Study in Renal Transplant Reveals Insights Into Mechanism of Action and Superiority of Iscalimab Compared to Tacrolimus
J. S. Rush
Autoimmunity, Transplantation and Inflammation, Novartis Institutes for Biomedical Research, Basel, Switzerland
*Purpose: A recent Phase 2 clinical study indicated that iscalimab, a pathway blocking, non-depleting anti-CD40 antibody, showed non-inferiority on a composite clinical endpoint, and improved…
2020 American Transplant Congress
Genome-Wide Transcriptome Analysis of Extreme Marginal Renal Grafts Indicates Earlier Repair and Less Damage Following Normothermic Ex-Vivo Kidney Perfusion Preservation
P. Urbanellis¹, L. Mazilescu¹, C. McEvoy¹, S. Ganesh¹, R. John¹, I. Mucsi¹, A. Ghanekar¹, D. Bagli², A. Konvalinka¹, L. Robinson¹, M. Selzner¹
¹University Health Network, Toronto, ON, Canada, ²The Hospital for Sick Children, Toronto, ON, Canada
*Purpose: Normothermic ex-vivo kidney perfusion (NEVKP) was shown to prevent delayed graft function of kidneys subjected to prolonged warm ischemia (WI) compared to static cold…