Mosquito salivary gland extracts induce EBV-infected NK cell oncogenesis via CD4+ T cells in patients with hypersensitivity to mosquito bites

Hideo Asada, Mamiko Saito-Katsuragi, Hironori Niizeki, Akira Yoshioka, Setsuo Suguri, Masaaki Isonokami, Toshiyuki Aoki, Shigehiko Ishihara, Yoshiki Tokura, Keiji Iwatsuki, Sachiko Miyagawa

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Severe hypersensitivity to mosquito bites (HMB) is characterized by intense local skin reactions and systemic symptoms such as high fever, lymphadenopathy, and hepatosplenomegaly. Patients with HMB often have natural killer (NK) cell lymphocytosis associated with Epstein-Barr virus (EBV) infection. Here we investigated whether mosquito bites have any influence on the oncogenesis of EBV-infected NK cells. We examined six HMB patients with EBV-infected NK cell lymphocytosis. We first demonstrated that CD4+ T cells, but not NK cells, proliferated well in response to mosquito salivary gland extracts (SGE), especially to SGE of Aedes albopictus. When NK cells were cocultured with autologous CD4+ T cells stimulated by mosquito SGE, the expression of viral oncogene latent membrane protein 1 (LMP1) was remarkably enhanced. Next, we stimulated mononuclear cells of the patients with mosquito SGE, and NK cell counts were monitored for 28 d. The counts changed little from initial levels in the culture with mosquito SGE, whereas they decreased steadily in the culture without the extracts. Furthermore, we detected LMP1 mRNA in the skin lesion induced by mosquito SGE. These results suggest that mosquito bites can induce expression of the viral oncogene LMP1 in NK cells via mosquito antigen-specific CD4+ T cells, which is involved in the oncogenesis of NK cells in vivo.

Original languageEnglish
Pages (from-to)956-961
Number of pages6
JournalJournal of Investigative Dermatology
Volume125
Issue number5
DOIs
Publication statusPublished - Nov 2005

Fingerprint

T-cells
Bites and Stings
Salivary Glands
Culicidae
Human Herpesvirus 4
Viruses
Natural Killer Cells
Hypersensitivity
Membrane Proteins
Carcinogenesis
T-Lymphocytes
Skin
Cells
Lymphocytosis
Antigens
Messenger RNA
Oncogenes
CD4 Antigens
Epstein-Barr Virus Infections
Aedes

Keywords

  • EVB
  • Hypersensitivity to mosquito bites
  • NK cells
  • Oncogenesis

ASJC Scopus subject areas

  • Dermatology

Cite this

Mosquito salivary gland extracts induce EBV-infected NK cell oncogenesis via CD4+ T cells in patients with hypersensitivity to mosquito bites. / Asada, Hideo; Saito-Katsuragi, Mamiko; Niizeki, Hironori; Yoshioka, Akira; Suguri, Setsuo; Isonokami, Masaaki; Aoki, Toshiyuki; Ishihara, Shigehiko; Tokura, Yoshiki; Iwatsuki, Keiji; Miyagawa, Sachiko.

In: Journal of Investigative Dermatology, Vol. 125, No. 5, 11.2005, p. 956-961.

Research output: Contribution to journalArticle

Asada, H, Saito-Katsuragi, M, Niizeki, H, Yoshioka, A, Suguri, S, Isonokami, M, Aoki, T, Ishihara, S, Tokura, Y, Iwatsuki, K & Miyagawa, S 2005, 'Mosquito salivary gland extracts induce EBV-infected NK cell oncogenesis via CD4+ T cells in patients with hypersensitivity to mosquito bites', Journal of Investigative Dermatology, vol. 125, no. 5, pp. 956-961. https://doi.org/10.1111/j.0022-202X.2005.23915.x
Asada, Hideo ; Saito-Katsuragi, Mamiko ; Niizeki, Hironori ; Yoshioka, Akira ; Suguri, Setsuo ; Isonokami, Masaaki ; Aoki, Toshiyuki ; Ishihara, Shigehiko ; Tokura, Yoshiki ; Iwatsuki, Keiji ; Miyagawa, Sachiko. / Mosquito salivary gland extracts induce EBV-infected NK cell oncogenesis via CD4+ T cells in patients with hypersensitivity to mosquito bites. In: Journal of Investigative Dermatology. 2005 ; Vol. 125, No. 5. pp. 956-961.
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