ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Neutrophils"

  • 2020 American Transplant Congress

    Alum Elicited MDSCs Delay the Rejection of Fully Mistmatched Islets in Mice

    A. Cuenca1, N. Feeney2, J. Ge1, K. Deng2, Q. Fu2, G. Huai2, K. Lee2, C. Rickert2, J. Markmann2

    1Boston Children's Hospital, Boston, MA, 2Massachusetts General Hospital, Boston, MA

    *Purpose: Myeloid derived suppressor cells (MDSCs) have been demonstrated to be critical for the induction of tumor induced T cell tolerance and have also been…
  • 2019 American Transplant Congress

    The Role of Neutrophil Extracellular Traps in Kidney Acute Antibody-Mediated Rejection

    R. Villca-Gonzales1, J. Torres-Ruiz2, D. Gomez-Martin2, L. Morales-Buenrostro1, J. Alberu3

    1Nephrology, Instituto Nacional de Ciencias Medicas y Nutrición Salvador Zubiran, Mexico, Mexico, 2Immunology, Instituto Nacional de Ciencias Medicas y Nutrición Salvador Zubiran, Mexico, Mexico, 3Transplantation, Instituto Nacional de Ciencias Medicas y Nutrición Salvador Zubiran, Mexico, Mexico

    *Purpose: Previously our group assessed the spontaneous and lipopolysaccharide-induced NETosis with confocal microscopy in kidney transplant recipients (KTR). We found an enhanced spontaneous NETosis regardless…
  • 2019 American Transplant Congress

    Soluble Fibrinogen-Like Protein 2 Regulates MDSCs Differentiation and Function in Allograft Immunity

    C. Yang

    Urology, Zhongshan Hospital, Fudan University, Shanghai, China

    *Purpose: Soluble fibrinogen-like protein 2 (sFGL2) is a novel immunoregulatory molecule, secreted mainly by regulatory T cells. CD11b+ Gr1+ myeloid-derived suppressor cells (MDSCs) are an…
  • 2019 American Transplant Congress

    Human Neutrophil Function against Pathogens in Solid Organ and Stem Cell Transplant Recipients

    N. Barros, N. Alexander, Z. Dagher, S. Knooihuizen, A. Viens, A. R. Hopke, D. Irimia, M. K. Mansour

    Transplant Infectious Diseases, Massachusetts General Hospital, Boston, MA

    *Purpose: The effects of solid organ (SOT) and allogeneic stem cell transplantation (SCT) on the neutrophil function is not well described. In this study, we…
  • 2018 American Transplant Congress

    Is the NETos Increased in Acute Antibody Mediated Rejection?

    R. Villca-Gonzales,1 J. Torres-Ruiz,2 D. Gomez-Martin,2 J. Alberu,3 L. Morales-Buenrostro.1

    1Nephrology, Inst. Nacional de Ciencias Médicas y Nutrición SZ, Mexico City, CDMX, Mexico; 2Immunology, Inst. Nacional de Ciencias Médicas y Nutrición SZ, Mexico City, CDMX, Mexico; 3Transplantation, Inst. Nacional de Ciencias Médicas y Nutrición SZ, Mexico City, CDMX, Mexico.

    Neutrophils can promote graft inflammation through a form of programmed cell death termed "NETosis". How alloantibodies contribute to neutrophil responses in grafts is not clear…
  • 2018 American Transplant Congress

    The Neutrophil to Lymphocyte Ratio is Confounded by MELD in Hepatocellular Carcinoma Patients Undergoing Liver Transplantation

    J. McVey, K. Sasaki, F. Dan, Q. Cristiano, H. Koji, M. Charles, A. Federico.

    Department of General Surgery Digestive Disease Institute, Cleveland Clinic, Cleveland, OH.

    Background: Biological markers such as the pre-operative neutrophil to lymphocyte ratio (NLR) have been suggested to be valuable indicators of recurrence and overall survival after…
  • 2018 American Transplant Congress

    Myeloid Derived Suppressor Cells Are Induced after Transplantation and Home to the Transplanted Kidney

    Y. Lee, E. Davila, J. Bromberg, J. Scalea.

    Surgery and Immunology, University of Maryland, Baltimore, MD.

    BACKGROUND: Myeloid-derived suppressor cells (MDSCs) are a naturally occurring, heterogeneous population of highly immunosuppressive cells which expand in response to inflammatory conditions such as cancer.…
  • 2018 American Transplant Congress

    Extracellular Vesicles Derived from Huc-MSCs Alleviate Rat Hepatic Ischemia-Reperfusion Injury by Suppressing Oxidative Stress and Neutrophil Inflammatory Response

    J. Yao,1,2 J. Cai,1,2 J. Zheng,1,2 L. Chen,1,2 Y. Zhang,1,2 Y. Yang.1,2

    1Department of Hepatic Surgery and Liver Transplantation Center of the Third Affiliated Hospital, Organ Transplantation Institute, Guangzhou, Guangdong, China; 2Guangdong Key Laboratory of Liver Disease Research, Key Laboratory of Liver Disease Biotherapy and Translational Medicine of Guangdong Higher Education Institutes, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, .

    Mesenchymal stem cells (MSCs) have been reported possessing therapeutic effects on immunoregulation, tissue repair and regeneration from bench to bedside. Extracellular vesicles (EVs) derived from…
  • 2018 American Transplant Congress

    The Role of CD46 in Early Islet Engraftment in a Dual Transplant Model

    Q. Gao, K. Samy, R. Davis, M. Song, A. MacDonald, F. Leopardi, T. How, K. Williams, G. Devi, B. Collins, A. Kirk.

    Department of Surgery, Duke University School of Medicine, Durham, NC.

    IntroductionMembrane cofactor protein (CD46) is known to attenuate the complement cascade by facilitating cleavage of C3b and C4b. In solid organ xenotransplantation, organs expressing CD46…
  • 2018 American Transplant Congress

    Recipient HO-1 Deficiency Decreases Post-Transplant Graft HO-1 Expression and Exacerbates Liver Transplant Damage

    S. Kageyama,1 K. Nakamura,1 T. Ito,1 A. Aziz,1 B. Ke,1 R. Sossa,2 E. Reed,2 F. Kaldas,1 R. Busuttil,1 J. Kupiec-Weglinski.1

    1Surgery, Liver Transplantation, UCLA, Los Angeles, CA; 2Pathology, UCLA, Los Angeles, CA.

    Many preclinical studies on protective functions of heme oxygenase-1 (HO-1; hsp32) in orthotopic liver transplantation (OLT) have encouraged application of HO-1 inducing regimens in clinical…
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