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Eta-1 (Osteopontin): An Early Component of Type-1 (Cell-Mediated) Immunity
Abstract
Cell-mediated (type-1) immunity is necessary for immune protection against most intracellular pathogens and, when excessive, can mediate organ-specific autoimmune destruction. Mice deficient in Eta-1 (also called osteopontin) gene expression have severely impaired type-1 immunity to viral infection [herpes simplex virus–type 1 (KOS strain)] and bacterial infection ( Listeria monocytogenes ) and do not develop sarcoid-type granulomas. Interleukin-12 (IL-12) and interferon-γ production is diminished, and IL-10 production is increased. A phosphorylation-dependent interaction between the amino-terminal portion of Eta-1 and its integrin receptor stimulated IL-12 expression, whereas a phosphorylation-independent interaction with CD44 inhibited IL-10 expression. These findings identify Eta-1 as a key cytokine that sets the stage for efficient type-1 immune responses through differential regulation of macrophage IL-12 and IL-10 cytokine expression.
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Molecular Mechanisms RegulatinG Th1 Immune Responses
Szabo, S. J., Sullivan, B. M., Peng, S. L., & Glimcher, L. H. (2003) · Annual Review of Immunology · doi:10.1146/annurev.immunol.21.120601.140942 · Cited by 1,019
The influence of the proinflammatory cytokine, osteopontin, on autoimmune demyelinating disease
Chabas, D., Baranzini, S. E., Mitchell, D., Bernard, C. C. A., Rittling, S. R., Denhardt, D. T., Sobel, R. A., Lock, C., Karpuj, M., Pedotti, R., et al. (2001) · Science · doi:10.1126/science.1062960 · Cited by 829
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Metadata
- Authors
- Ashkar, S., Weber, G. F., Panoutsakopoulou, V., Sanchirico, M. E., Jansson, M., Zawaideh, S., Rittling, S. R., Denhardt, D. T., Glimcher, M. J., & Cantor, H.
- Venue
- Science
- Published
- 2000-02-04
- Volume
- 287
- Issue
- 5454
- Pages
- 860-864
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2006877529
- Cited by
- 1,125
- References
- 0
- FWCI
- 35.29
- Type
- journal article
- Language
- en
- Open access
- closed
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- Ashkar, S., Weber, G. F., Panoutsakopoulou, V., Sanchirico, M. E., Jansson, M., Zawaideh, S., Rittling, S. R., Denhardt, D. T., Glimcher, M. J., & Cantor, H. (2000). Eta-1 (Osteopontin): An Early Component of Type-1 (Cell-Mediated) Immunity. Science. https://doi.org/10.1126/science.287.5454.860
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