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Volume 17, Number 4—April 2011
Dispatch

Highly Pathogenic Avian Influenza Virus Infection in Feral Raccoons, Japan

Taisuke HorimotoComments to Author , Ken Maeda, Shin Murakami, Maki Kiso, Kiyoko Iwatsuki-Horimoto, Mariko Sashika, Toshihiro Ito, Kazuo Suzuki, Mayumi Yokoyama, and Yoshihiro Kawaoka
Author affiliations: Author affiliations: University of Tokyo, Tokyo, Japan (T. Horimoto, S. Murakami, M. Kiso, K. Iwatsuki-Horimoto, Y. Kawaoka); Yamaguchi University, Yamaguchi, Japan (K. Maeda); Obihiro University of Agriculture and Veterinary Medicine, Hokkaido, Japan (M. Sashika); Tottori University, Tottori, Japan (T. Ito); Hikiiwa Park Center, Wakayama, Japan (K. Suzuki); Wildlife Management Research Center, Hyogo, Japan (M. Yokoyama)

Main Article

Figure 1

Western blot analysis of virus neutralization (VN)–positive raccoon serum specimens. A/whooper swan/Mongolia/4/05 (H5N1) virus (clade 2.2) was purified through a 25% sucrose cushion and used as an antigen under nonreducing conditions in the Western blot assay. After blocking with 5% skim milk, each raccoon serum specimen (1:100 dilution) was incubated for 1 h and then reacted with horseradish peroxidase (HRP)–labeled protein A/G (Pierce Chemical Co., Rockford, IL, USA) and subjected to chemilumi

Figure 1. Western blot analysis of virus neutralization (VN)–positive raccoon serum specimens. A/whooper swan/Mongolia/4/05 (H5N1) virus (clade 2.2) was purified through a 25% sucrose cushion and used as an antigen under nonreducing conditions in the Western blot assay. After blocking with 5% skim milk, each raccoon serum specimen (1:100 dilution) was incubated for 1 h and then reacted with horseradish peroxidase (HRP)–labeled protein A/G (Pierce Chemical Co., Rockford, IL, USA) and subjected to chemiluminescence detection (ECL Plus, GE Healthcare UK, Ltd, Chalfont St. Giles, UK). Serum from a mouse infected with A/whooper swan/Mongolia/4/05 was used as a marker. The negative control reaction when only HRP-protein A/G is used is also shown. HA, hemagglutinin; Ab, antibody. Lane 1, anti-H5N1 polyclonal Ab; lanes 2–11, VN-positive serum (2, A-1; 3, A-2; 4, A-3; 5, A-4; 6, A-5; 7, A-6; 8, B-1; 9, B-2; 10, C-1; 11, C-2); lane 12, VN-negative serum; lane 13, negative control.

Main Article

Page created: July 25, 2011
Page updated: July 25, 2011
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