期刊
MOLECULAR THERAPY
卷 5, 期 2, 页码 125-132出版社
CELL PRESS
DOI: 10.1006/mthe.2002.0525
关键词
adenovirus; adeno-associated virus; subretinal space; immune privilege; immune deviation
资金
- NEI NIH HHS [EY12156, EY10820] Funding Source: Medline
The immune response after ocular exposure to foreign antigens varies substantially from that of a typical systemic response. Anterior chamber associated immune deviation (ACAID) has been well documented. The immune response of the subretinal space has not been studied in as much detail. Here, we characterized the immune response of the subretinal space when it encounters the antigens AdV-GFP and AAV-GFP (recombinant adenovirus or adeno-associated virus, respectively), each delivering the reporter gene encoding green fluorescent protein (GFP). Results indicate that the subretinal space possesses an immune-deviant property similar to ACAID. AdV-elicited immune responses following subretinal injections are significantly reduced compared with systemic responses elicited by intradermal injections of the same virus. Furthermore, subretinal AdV administration results in transduction of retinal pigment epithelial cells (RPE), which are the potential antigen presenting cells of the retina. This subsequently generates a population of immunosuppressive Th2-type, cytokine-secreting, splenic T cells. This response may be advantageous to the development of ocular gene therapy.
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