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Infection and Immunity, November 1999, p. 6203-6205, Vol. 67, No. 11
0019-9567/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.
Inhibition of Neutrophil Apoptosis by Verotoxin 2 Derived from Escherichia coli O157:H7
Jiajia
Liu,
Tohru
Akahoshi,*
Takeshi
Sasahana,
Hidero
Kitasato,
Rie
Namai,
Takeji
Sasaki,
Matsuhisa
Inoue, and
Hirobumi
Kondo
Department of Internal Medicine and
Microbiology, Kitasato University School of Medicine, Sagamihara,
Kanagawa 228-8555, Japan
Received 6 July 1999/Returned for modification 30 July
1999/Accepted 20 August 1999
In order to evaluate the pathological role of verotoxin 2 (VT2), we
investigated the effects of VT2 on neutrophil apoptosis in vitro. The
results showed that VT2 caused a significant delay in spontaneous
neutrophil apoptosis and that the effect was abrogated by a protein
kinase C inhibitor. These data indicate that longer survival of
neutrophils may aggravate neutrophil-mediated tissue damage in
VT2-associated diseases.
*
Corresponding author. Mailing address: Department of
Internal Medicine and Microbiology, Kitasato University School of
Medicine, 1-15-1 Kitasato, Sagamihara, Kanagawa 228-8555, Japan. Phone: 42-778-9347. Fax: 42-778-8441. E-mail:
akahoshi{at}med.kitasato-u.ac.jp.
Infection and Immunity, November 1999, p. 6203-6205, Vol. 67, No. 11
0019-9567/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.
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