Gene expression of leucocytes in vaccinated Japanese flounder (Paralichthys olivaceus) during the course of experimental infection with Edwardsiella tarda.

Gene expression of leucocytes in vaccinated Japanese flounder (Paralichthys olivaceus) during the course of experimental infection with Edwardsiella tarda. Research Abstract Details 

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Gene expression of leucocytes in vaccinated Japanese flounder (Paralichthys olivaceus) during the course of experimental infection with Edwardsiella tarda. Abstract Text:

Tomomasa Matsuyama,Atushi Fujiwara,Chihaya Nakayasu,Takashi Kamaishi,Norihisa Oseko,Ikuo Hirono,Takashi Aoki,

In this paper, we focused on the detection of differentially expressed genes in peripheral blood leucocytes (PBL) during the course of Edwardsiella tarda infection in vaccinated and non-vaccinated Japanese flounder (Paralichthys olivaceus). cDNA microarray analysis was performed to compare the gene expression patterns of the PBL between the vaccinated and non-vaccinated fish in response to E. tarda inoculation. Fish were vaccinated twice, at a two-week interval and experimentally challenged with E. tarda two weeks after the second vaccination. Among the 1187 analyzed genes, 42 genes were up-regulated during the course of infection either in vaccinated or non-vaccinated fish. These genes included immune-related genes, such as MMP-9, MMP-13, CXC chemokine, CD20 receptor and hepcidin. Some immune-related genes were down-regulated after the E. tarda challenge, i.e. interferon inducible Mx protein, MHC class II-associated invariant chain, MHC class II alpha and MHC class II beta encoding genes, immunoglobulin light chain precursor, immunoglobulin light chain and IgM. These responses are thought to be a common reaction of Japanese flounder PBL in the course of edwardsiellosis, irrespective of immunized condition. Ten genes were significantly up-regulated only in vaccinated fish, and 11 genes were significantly up-regulated only in non-vaccinated fish. These genes may have a correlation with the efficacy of vaccination, although we have no evidence to link the different gene expression patterns and the efficacy of vaccination at present.

Gene expression of leucocytes in vaccinated Japanese flounder (Paralichthys olivaceus) during the course of experimental infection with Edwardsiella tarda. Publishing Authors By Initials

T Matsuyama,A Fujiwara,C Nakayasu,T Kamaishi,N Oseko,I Hirono,T Aoki,

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Gene expression of leucocytes in vaccinated Japanese flounder (Paralichthys olivaceus) during the course of experimental infection with Edwardsiella tarda. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Fish & shellfish immunology

VOLUME: 22

Page Numbers: 598-607

Journal Abbreviation: Fish Shellfish Immunol.

ISSN: 1050-4648

DAY: 16

MONTH: 08

YEAR: 2006

Gene expression of leucocytes in vaccinated Japanese flounder (Paralichthys olivaceus) during the course of experimental infection with Edwardsiella tarda. Information

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LANGUAGE: eng

NlmUniqueID: 9505220

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Grant and Affiliation Information for Gene expression of leucocytes in vaccinated Japanese flounder (Paralichthys olivaceus) during the course of experimental infection with Edwardsiella tarda.

AFFILIATION: National Research Institute of Aquaculture, Fisheries Research Agency, Nansei, Mie 516-0193, Japan. matsuym@fra.affrc.go.jp

Country: England

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MEDLINETA: Fish Shellfish Immunol

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