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Abstracts tagged "human leukocyte antigens (HLA) and natural killer (NK) cells"

  • Abstract Number: 164 • ACR/ARHP Annual Meeting 2017

    Association of Natural Killer Cell Ligand Polymorphism, HLA-C Asn80Lys, with the Development of Anti-SSA/Ro Associated Congenital Heart Block

    Hannah C. Ainsworth1, Miranda C Marion1, Antonio Brucato2, Nathalie Costedoat-Chalumeau3, Tiziana Bertero4, Rolando Cimaz5, Micaela Fredi6, Patrick M. Gaffney7, Jennifer A. Kelly7, Kateri Levesque8, Alice Maltret8, Nathalie Morel8, Véronique Ramoni9, Amelia Ruffatti10, Carl D Langefeld1, Jill P. Buyon11 and Robert M Clancy11, 1Wake Forest University, Winston Salem, NC, 2Ospedale Papa Giovanni XXIII, Bergamo, Italy, 3Service de médecine interne Pôle médecine, Hôpital Cochin, Centre de référence maladies auto-immunes et systémiques rares de l’île de France, Paris, France, 4Ospedale Mauriziano, Torino, Italy, 5Department of Paediatrics, University of Florence and Anna Meyer Children's Hospital, Florence, Italy, Florence, Italy, 6Department of Rheumatology and Clinical Immunology, Rheumatology and Clinical Immunology, Rheumatology and Clinical Immunology, Spedali Civili of Brescia, Brescia, Italy, 7Oklahoma Medical Research Foundation, Oklahoma City, OK, 8Université Paris Descartes-Sorbonne Paris Cité, Paris, France, 9Ospedale Papa Giovanni XXIII of Bergamo, Policlinico San Matteo of Pavia, Bergamo, Pavia, Italy, 10Unità di Reumatologia, Dipartimento di Medicina-DIMED, Università di Padova., Padova, Italy, 11NYU Langone Medical Center, New York, NY

    Background/Purpose: Fetal exposure to maternal anti-SSA/Ro antibodies is necessary but insufficient for the development of congenital heart block (CHB), suggesting the potential of a fetal…
  • Abstract Number: 2495 • ACR/ARHP Annual Meeting 2013

    Ankylosing Spondylitis Protective Endoplasmic Reticulum Aminopeptidase 1 Variants Lead To Decreased Natural Killer Cell Conjugation and Activation

    Hasan Abdullah1, Zhenbo Zhang2, Robert Inman3 and Nigil Haroon4, 1IMS, University of Toronto, Toronto, ON, Canada, 2Toronto Western Research Institute, Toronto, ON, Canada, 3Immunlogy and Institute of Medical Science, University of Toronto and Toronto Western Hospital, Toronto, ON, Canada, 4Medicine/Rheumatology, Toronto Western Research Institute, University Health Network and University of Toronto, Toronto, ON, Canada

    Background/Purpose:  Ankylosing Spondylitis (AS) is an inflammatory arthritis affecting the axial and peripheral joints. Human Leukocyte Antigen (HLA)-B27 and Endoplasmic Reticulum Aminopeptidase (ERAP) 1 genes…

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