Immunological aspects of Epstein-Barr virus infection

Shouichi Ohga, Akihiko Nomura, Hidetoshi Takada, Toshiro Hara

Research output: Contribution to journalArticle

60 Citations (Scopus)

Abstract

Epstein-Barr virus (EBV) is a member of ubiquitous γ herpes viruses, which primarily induces acute infectious mononucleosis (IM) or subclinical infection in susceptible subjects. The host reactions account for the clinical manifestation of IM. This virus also contributes to the development of lymphoid or epithelial malignancies. The outgrowth of EBV-infected B-cells is first controlled by interferon (IFN)-γ and natural killer (NK) cells, and later by EBV-specific cytotoxic T-lymphocytes (CTL). To overcome the host responses and establish the persistent infection, EBV conducts the protean strategies of immune evasion. Several EBV genes modulate apoptotic signals and cytokine balances to persist B-cell infection without insulting the host. Uncontrolled lymphoproliferation occurs as EBV+ B-cell lymphoproliferative disease (LPD)/lymphoma in AIDS, posttransplant, or primary immunodeficiency diseases (PID). On the other hand, EBV+ T/NK cells are involved in EBV-associated hemophagocytic lymphohistiocytosis (EBV-HLH) or chronic active EBV infection (CAEBV) in children having no underlying immunodeficiencies, and at times lead to the clonal evolution of T/NK-cell LPD/lymphomas. Recent advance in molecular techniques has enabled us to analyze the clonality of EBV-infected lymphocytes and to quantify the gene expression of EBV and cytokines. Dominant autocrine loop of T helper (Th) 2 and Th1 may exert in EBV+ B-LPD and T-LPD, respectively. Intensive studies on the immunological interface between effector components and EBV+ target cells will provide more information on clarifying the pathogenesis of EBV-associated lymphoid malignancies, as well as on exploiting the therapeutic and preventive strategies for the formidable EBV-associated disease in childhood.

Original languageEnglish
Pages (from-to)203-215
Number of pages13
JournalCritical Reviews in Oncology/Hematology
Volume44
Issue number3
DOIs
Publication statusPublished - Dec 1 2002

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Epstein-Barr Virus Infections
Human Herpesvirus 4
Infectious Mononucleosis
Natural Killer T-Cells
B-Lymphocytes
Lymphoma
Clonal Evolution
Cytokines
Viruses
Hemophagocytic Lymphohistiocytosis
Immune Evasion
Asymptomatic Infections
Cytotoxic T-Lymphocytes
Virus Diseases
Natural Killer Cells
Interferons
Neoplasms
Acquired Immunodeficiency Syndrome

All Science Journal Classification (ASJC) codes

  • Hematology
  • Oncology

Cite this

Immunological aspects of Epstein-Barr virus infection. / Ohga, Shouichi; Nomura, Akihiko; Takada, Hidetoshi; Hara, Toshiro.

In: Critical Reviews in Oncology/Hematology, Vol. 44, No. 3, 01.12.2002, p. 203-215.

Research output: Contribution to journalArticle

Ohga, Shouichi ; Nomura, Akihiko ; Takada, Hidetoshi ; Hara, Toshiro. / Immunological aspects of Epstein-Barr virus infection. In: Critical Reviews in Oncology/Hematology. 2002 ; Vol. 44, No. 3. pp. 203-215.
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