Sensitization to enhanced green fluorescence protein minor histocompatibility antigen by gene transduction into dendritic cells and peritoneal exudate macrophages.

Sensitization to enhanced green fluorescence protein minor histocompatibility antigen by gene transduction into dendritic cells and peritoneal exudate macrophages. Research Abstract Details 

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Sensitization to enhanced green fluorescence protein minor histocompatibility antigen by gene transduction into dendritic cells and peritoneal exudate macrophages. Abstract Text:

Eigo Satoh,Xiao-Kang Li,Yuhko Hara,Keiichi Ogata,Lei Guo,Yuhsuke Kitazawa,Naoko Funeshima-Fuji,Takashi Satoh,Tohko Miyagi,Wataru Sugiura,Naoki Yamamoto,Kenichi Teramoto,Shigeki Arii,Hiromitsu Kimura,Eigo Satoh,Xiao-Kang Li,Yuhko Hara,Keiichi Ogata,Lei Guo,Yuhsuke Kitazawa,Naoko Funeshima-Fuji,Takashi Satoh,Tohko Miyagi,Wataru Sugiura,Naoki Yamamoto,Kenichi Teramoto,Shigeki Arii,Hiromitsu Kimura,

Enhanced green fluorescence protein (EGFP) has been widely applied to gene transduction in cellular and molecular biology as a reporter element. When applied to cell transplantation, it raises fundamental issues concerning cell-associated antigens, in particular, a model of minor histocompatibility antigen(s). Although it is well known that immunological behavior of minor histocompatibility antigens mimic tumor associated antigens (TAA), identified genes coding minor histocompatibility antigens are few and far between. Inasmuch as immunity and tolerance to TAA are provided by immunological behavior of minor histocompatibility antigen such as histocompatibility antigen of the Y chromosome, H-Y, it occurs to us that transgenic as well as transduced EGFP provides a useful model system to be applied to tumor immunology. In this respect, genetic modification of specialized antigen-presenting cells (APC), i.e., dendritic cells (DC), such as gene transduction of EGFP into DC, would provide one of the most important strategies in transplantation as well as tumor immunology inasmuch as DC play a key role in initiating primary immune responses, As far as gene transduction into DC is concerned, others have reported that successful gene transduction occurs in DC by adenoviral vector systems. However, our previous studies concerning EGFP transduction into DC suggested that this view should be carefully examined and interpreted. Employing adenoviral and lentiviral vector systems as well as specialized APC of rat DC and peritoneal exudate macrophages (PEM), EGFP-transduced APC were examined to determine whether and to what extent the EGFP-transduced APC were able to sensitize non-transgenic littermates against transgenic EGFP as antigen(s). Thus EGFP-transgenic cardiac isografts were transplanted to non-transgenic littermates and examined to determine if sensitization of non-transgenic littermate recipients with the EGFP-transduced APC was able to reject the test grafts in an accelerated manner. In this study, we examined this and provide further evidence that widely used viral vector systems are unable to transfer the reporter gene EGFP into mature rat DC generated from bone marrow cells (BMC), driven by Flt3/Flk2 ligand and IL-6. Nevertheless, successful gene transduction was obtained by either applying a lentiviral vector system to the developing DC progenitor cells during a long-term culture of rat BMC or by applying an adenoviral vector system to PEM. Thus, successful gene transduction into specialized APC was verified by in vivo priming of non-transgenic littermates with the EGFP-transduced APC, followed by accelerated rejection of EGFP-transgenic cardiac isografts.

Sensitization to enhanced green fluorescence protein minor histocompatibility antigen by gene transduction into dendritic cells and peritoneal exudate macrophages. Publishing Authors By Initials

E Satoh,XK Li,Y Hara,K Ogata,L Guo,Y Kitazawa,N Funeshima-Fuji,T Satoh,T Miyagi,W Sugiura,N Yamamoto,K Teramoto,S Arii,H Kimura,E Satoh,XK Li,Y Hara,K Ogata,L Guo,Y Kitazawa,N Funeshima-Fuji,T Satoh,T Miyagi,W Sugiura,N Yamamoto,K Teramoto,S Arii,H Kimura,

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Sensitization to enhanced green fluorescence protein minor histocompatibility antigen by gene transduction into dendritic cells and peritoneal exudate macrophages. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Transplant immunology

VOLUME: 18

Page Numbers: 73-84

Journal Abbreviation: Transpl. Immunol.

ISSN: 0966-3274

DAY: 6

MONTH: 06

YEAR: 2007

Sensitization to enhanced green fluorescence protein minor histocompatibility antigen by gene transduction into dendritic cells and peritoneal exudate macrophages. Information

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LANGUAGE: eng

NlmUniqueID: 9309923

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AFFILIATION: Department of Research Surgery, National Research Center for Child Health and Development, Japan; Department of Surgery, Tokyo Medical and Dental University, Japan.

Country: England

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MEDLINETA: Transpl Immunol

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