Articles tagged "Immunogenicity"

2022 American Transplant Congress
Functional Recellularized Patient Derived Endothelium; A Human Vascular Graft Approach
H. Tejeda Mora¹, J. Willemse², Y. den Hartog¹, I. Schurink², M. M. Verstegen², J. de Jonge², R. C. Minnee², M. W. van den Hoogen², C. C. Baan¹, L. J. van der Laan², M. J. Hoogduijn¹
¹Transplant Institute - Internal Medicine, Erasmus Medical Center, Rotterdam, Netherlands, ²Transplant Institute - Department of Surgery, Erasmus Medical Center, Rotterdam, Netherlands
*Purpose: In transplantation, the endothelial lining is the first barrier between the donor organ and recipient immune system. Damaged endothelium exposes extracellular matrix (ECM) molecules…
2022 American Transplant Congress
Immunogenicity of a Quadrivalent Human Papillomavirus Vaccine in Pediatric Kidney and Liver Transplant Recipients
T. Kitano¹, K. Schwartz², M. Abdulnoor¹, H. Garfield³, N. K. Booran¹, Y. Avitzur¹, C. Teoh¹, D. Hebert⁴, U. Allen³
¹Hospital for Sick Children, Toronto, ON, Canada, ²Public Health Ontario, Toronto, ON, Canada, ³University of Toronto, Toronto, ON, Canada, ⁴The Hospital for Sick Children, Toronto, ON, Canada
*Purpose: Solid-organ transplant recipients are at increased risk of developing human papillomavirus (HPV)-related diseases. The immunogenicity of HPV vaccine for solid-organ transplant population needs further…
2022 American Transplant Congress
Additional Dose of SARS-CoV-2 Vaccine Increases Neutralization Capacity in Solid Organ Transplant Recipients
Y. Yoo¹, J. Husson², T. Iraguha³, S. Niederhaus⁴, X. Wen⁵, A. Crane⁵, A. Carrier⁵, J. Avruch⁵, A. Ahuja⁶, M. Mathew⁷, S. Dahiya⁸, A. P. Rapoport⁸, D. Atanackovic⁸, K. K. Saharia²
¹Inst of Human Virology, Baltimore, MD, ²Div of Infect Diseases, Univ of Maryland School of Med. and Inst of Human Virology, Baltimore, MD, ³Univ of Maryland School of Med. and Greenebaum Comprehensive Cancer Center, Baltimore, MD, ⁴Dept of Surgery, Univ of Maryland School of Med., Baltimore, MD, ⁵Dept of Surgery, Univ of Maryland Med. Center, Baltimore, MD, ⁶Dept of Medicine, Univ of Maryland Med. Center, Baltimore, MD, ⁷Div of Infect. Diseases, Univ of Maryland Med. Center, Baltimore, MD, ⁸Dept of Medicine, Univ of Maryland School of Med. and Greenebaum Comprehensive Cancer Center, Baltimore, MD
*Purpose: Solid organ transplant recipients (SOTR) develop weak antibody responses after SARS-CoV-2 vaccination. Published data on neutralizing activity of plasma, a better measure of protection,…
2022 American Transplant Congress
Identification of Soluble and Cellular Biomarkers in Blood of End-Stage Patients Before Pediatric Liver Transplantation (pLTx)
E. Chichelnitskiy¹, L. Ruhl², I. Goldschmidt³, A. Karch⁴, L. Antiga⁵, D. Debray⁶, L. Hierro⁷, D. Kelly⁸, V. McLin⁹, E. Nicastro⁵, J. Pawlowska¹⁰, R. Mikolajczyk¹¹, U. Baumann¹², C. Falk¹³
¹Institute of Transplant Immunology, Hannover Medical School (MHH), Hannover, Germany, ²Institute of Transplant Immunology, MHH, Hannover, Germany, ³Division of Pediatric Gastroenterology and Hepatology, MHH; European Paediatric Liver Transplantation Network, Hannover, Germany, ⁴Research Group Epidemiological and Statistical Methods, Helmholtz Centre for Infection Research, Braunschweig; German Center for Infection Research, TTU-IICH Hannover; Institute for Epidemiology and Social Medicine, University of Münster, Münster, Germany, ⁵Ospedali Riuniti di Bergamo, Bergamo, Italy, ⁶Hôpital Necker-Enfants Malades, Paris, France, ⁷Hospital Infantil Universitario La Paz, Madrid, Spain, ⁸Birmingham Children's Hospital, Birmingham, United Kingdom, ⁹Service Spécialités Pédiatriques, Genève, Switzerland, ¹⁰Gastroenterology, Hepatology, Nutritional Disorders and Pediatrics, The Children’s Memorial Health Institute, Warsaw, Poland, ¹¹German Center for Infection Research, TTU-IICH Hannover; Institute of Medical Epidemiology, Biostatistics and Medical Informatics, University of Halle, Halle, Germany, ¹²Division of Pediatric Gastroenterology and Hepatology, MHH; Birmingham Children’s Hospital, UK; European Paediatric Liver Transplantation Network, Hannover, Germany, ¹³Institute of Transplant Immunology, MHH; German Center for Infection Research, TTU-IICH, Hannover, Germany
*Purpose: In the European multicentre “ChilSFree” study we aimed to identify soluble and cellular biomarkers in blood of various end-stage diseases before pLTx.*Methods: Using flow…
2022 American Transplant Congress
QSant, a Novel Urine Test Monitors Recovery of Allograft Injury After DGF
S. Ghosh¹, H. Tedesco², R. Sarwal¹, N. Titzler¹, W. Yazar¹, M. Nakamura², J. Pestana², M. Sarwal¹
¹Nephrosant, Brisbane, CA, ²Hospital do Rim, Sao Paolo, Brazil
*Purpose: We evaluate urine QSant assay to non-invasively monitor recovery of allograft injury, post delayed graft function(DGF).*Methods: 65 HLA-DR matched, renal allograft recipients, on TAC/MMF/prednisone…
2022 American Transplant Congress
Defining the Longitudinal Dynamics of Immune Cells in Blood in the First Year After Pediatric Liver Transplantation (pLTx)
E. Chichelnitskiy¹, L. Ruhl², I. Goldschmidt³, A. Karch⁴, L. Antiga⁵, D. Debray⁶, L. Hierro⁷, D. Kelly⁸, V. McLin⁹, E. Nicastro¹⁰, J. Pawlowska¹¹, P. Czubkowski¹¹, R. Mikolajczyk¹², U. Baumann¹³, C. Falk¹⁴
¹Institute of Transplant Immunology, Hannover Medical School (MHH), Hannover, Germany, ²Institute of Transplant Immunology, MHH, Hannover, Germany, ³Division of Pediatric Gastroenterology and Hepatology, MHH; European Paediatric Liver Transplantation Network, Hannover, Germany, ⁴Research Group Epidemiological and Statistical Methods, Helmholtz Centre for Infection Research; German Center for Infection Research, TTU-IICH Hannover; Institute for Epidemiology and Social Medicine, University of Münster, Münster, Germany, ⁵Hannover; Ospedali Riuniti di Bergamo, Bergamo, Italy, ⁶Hannover; Hôpital Necker-Enfants Malades, Paris, France, ⁷Hannover; Hospital Infantil Universitario La Paz, Madrid, Spain, ⁸Birmingham Children's Hospital, Birmingham, United Kingdom, ⁹Service Spécialités Pédiatriques, Genève, Switzerland, ¹⁰Ospedali Riuniti di Bergamo, Bergamo, Italy, ¹¹Gastroenterology, Hepatology, Nutritional Disorders and Pediatrics, The Children’s Memorial Health Institute, Warsaw, Poland, ¹²German Center for Infection Research, TTU-IICH Hannover; MHH; Institute of Medical Epidemiology, Biostatistics and Medical Informatics, University of Halle, Halle, Germany, ¹³Birmingham Children’s Hospital, UK; Division of Pediatric Gastroenterology and Hepatology, MHH, Hannover, Germany, ¹⁴Institute of Transplant Immunology, MHH; German Center for Infection Research, TTU-IICH, Hannover, Germany
*Purpose: In the European multicentre “ChilSFree” study we aimed for a deep characterisation of the longitudinal immune dynamics during the first year after pLTx.*Methods: Absolute…
2022 American Transplant Congress
Sars-cov-2 Antibody and T Cell Response After Vaccination with or without Intensified Immunosuppression Among Pediatric Renal Transplant Recipients
H. Pizzo¹, B. Shin², P. R. Soni³, S. Nadipuram³, J. Garrison², R. Zhang², S. C. Jordan², D. Puliyanda¹
¹Pediatric Nephrology, Cedars-Sinai Medical Center, Los Angeles, CA, ²Comprehensive Transplant Center, Cedars-Sinai Medical Center, Los Angeles, CA, ³Pediatric Infectious Disease, Cedars-Sinai Medical Center, Los Angeles, CA
*Purpose: Recent data has shown poor antibody response to SARS-CoV-2 vaccination among adult kidney transplant (tx) recipients, with seroconversion ranging between 22%-58% after two mRNA…
2022 American Transplant Congress
Induction of Tolerance After Intestinal Transplantation in a Porcine Model
S. Merl, R. Jones, B. Chen, M. Sykes, K. Yamada, J. Weiner
Columbia Center for Translational Immunology, Columbia University, New York, NY
*Purpose: We describe a case of tolerance from our study investigating multilineage chimerism under immunological conditions after intestinal transplantation using a porcine model with defined…
2022 American Transplant Congress
Do Clinical & Pathologic Signs of Rejection Develop Following Transplantation of Tissue Containing Non-Autologous Mitochondria in an Autologous Nuclear Cloned Host?
S. Jacob¹, M. L. Baack², A. Savinov³, P. J. Wettstein⁴
¹Cardiothoracic Surgery and transplantation, Mayo Clinic, Jacksonville, FL, ²Division of Neonatology, University of South Dakota – Sanford School of Medicine, Sioux Falls, SD, ³Sanford Research, University of South Dakota School of Medicine, Sioux Falls, SD, ⁴Departments of Surgery and Immunology, Mayo Clinic, Rochester, MN
*Purpose: Recent studies have yielded conflicting results on the capacity of oocyte-encoded mtDNA polymorphisms to stimulate rejection . Therefore, there are still questions as to…
2022 American Transplant Congress
First-in-human Study Of Lis1, A Novel Glyco-humanized Anti-lymphocyte Swine Polyclonal Antibody, In Kidney Transplantation: Safety And Efficacy
J. Slatinska¹, B. Vanhove², M. Kolarova¹, F. Shneiker², J. Rousse², C. Galli³, J. Bach⁴, E. Cozzi⁵, J. Soulillou⁶, O. Duvaux², O. Viklicky¹
¹Institute for Clinical and Experimental Medicine, Prague, Czech Republic, ²Xenothera, Nantes, France, ³Laboratorio di Tecnologie della Riproduzione, Cremone, Italy, ⁴IECM, Immunoendocrinology, USC1383, Oniris, INRAE, Nantes, France, ⁵Transplantation Immunology Unit, Padua University Hospital, Padova, Italy, ⁶Nantes Universités, Nantes, France
*Purpose: to assess safety, T cell depletion, PK/PD and determine the therapeutic dose of LIS1, a purified anti-lymphocyte glyco-humanized polyclonal swine IgG, derived by immunizing…