Combined immunodeficiency and Epstein-Barr virus-induced B cell malignancy in humans with inherited CD70 deficiency

Hassan Abolhassani, Emily S. J. Edwards, Aydan Ikinciogullari, Huie Jing, Stephan Borte, Marcus Buggert, Likun Du, Mami Matsuda-Lennikov, Rosa Romano, Rozina Caridha, Sangeeta Bade, Yu Zhang, Juliet Wairimu Frederiksen, Mingyan Fang, Sevgi Kostel Bal, Sule Haskologlu, Figen Dogu, Nurdan Tacyildiz, Helen F. Matthews, Joshua J McElweeEmma Gostick, David A. Price, Umaimainthan Palendira, Asghar Aghamohammadi, Bertrand Boisson, Nima Rezaei, Annika C Karlsson, Michael J. Lenardo, Jean-Laurent Casanova, Lennart Hammarström, Stuart G. Tangye, Helen C Su, Qiang Pan-Hammarström

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    Abstract

    In this study, we describe four patients from two unrelated families of different ethnicities with a primary immunodeficiency, predominantly manifesting as susceptibility to Epstein-Barr virus (EBV)-related diseases. Three patients presented with EBV-associated Hodgkin's lymphoma and hypogammaglobulinemia; one also had severe varicella infection. The fourth had viral encephalitis during infancy. Homozygous frameshift or in-frame deletions in CD70 in these patients abolished either CD70 surface expression or binding to its cognate receptor CD27. Blood lymphocyte numbers were normal, but the proportions of memory B cells and EBV-specific effector memory CD8+ T cells were reduced. Furthermore, although T cell proliferation was normal, in vitro-generated EBV-specific cytotoxic T cell activity was reduced because of CD70 deficiency. This reflected impaired activation by, rather than effects during killing of, EBV-transformed B cells. Notably, expression of 2B4 and NKG2D, receptors implicated in controlling EBV infection, on memory CD8+ T cells from CD70-deficient individuals was reduced, consistent with their impaired killing of EBV-infected cells. Thus, autosomal recessive CD70 deficiency is a novel cause of combined immunodeficiency and EBV-associated diseases, reminiscent of inherited CD27 deficiency. Overall, human CD70-CD27 interactions therefore play a nonredundant role in T and B cell-mediated immunity, especially for protection against EBV and humoral immunity.
    Original languageEnglish
    JournalThe Journal of Experimental Medicine
    Volume214
    Issue number1
    Pages (from-to)91-106
    Number of pages16
    ISSN0022-1007
    DOIs
    Publication statusPublished - 2017

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