The DOI matches its Crossref record; 56 of the 56 references it cites were found in a registry or an index.
Differential T Cell Costimulatory Requirements in CD28-Deficient Mice
Abstract
T cell receptor stimulation without costimulation is insufficient for the induction of an optimal immune response. It is thought that engagement of the CD28 molecule with its ligand B7 provides an essential costimulatory signal without which full activation of T cells cannot occur. A mouse strain with a defective CD28 gene was established. Development of T and B cells in the CD28-deficient mice appeared normal. However, T lymphocytes derived from CD28 -/- mutant mice had impaired responses to lectins. Lectin stimulation did not trigger interleukin-2 (IL-2) production, IL-2 receptor α expression was significantly decreased, and exogenous IL-2 only partially rescued the CD28 defect. Basal immunoglobulin (Ig) concentrations in CD28-deficient mice were about one-fifth of those found in wild-type controls, with low titers of IgG1 and IgG2b but an increase in IgG2a. In addition, activity of T helper cells in CD28 -/- mice was reduced and immunoglobulin class switching was diminished after infection with vesicular stomatitis virus. However, cytotoxic T cells could still be induced and the mice showed delayed-type hypersensitivity after infection with lymphocytic choriomeningitis virus. Thus, CD28 is not required for all T cell responses in vivo, suggesting that alternative costimulatory pathways may exist.
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Cites
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A new member of the immunoglobulin superfamily—CTLA-4
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Cited by
Molecular mechanisms of T cell co-stimulation and co-inhibition
Chen, L., & Flies, D. B. (2013) · Nature Reviews Immunology · doi:10.1038/nri3405 · Cited by 3,114
Follicular Helper CD4 T Cells (T FH )
Crotty, S. (2011) · Annual Review of Immunology · doi:10.1146/annurev-immunol-031210-101400 · Cited by 2,738
Lymphoproliferative Disorders with Early Lethality in Mice Deficient in Ctla-4
Waterhouse, P., Penninger, J. M., Timms, E., Wakeham, A., Shahinian, A., Lee, K. P., Thompson, C. B., Griesser, H., & Mak, T. W. (1995) · Science · doi:10.1126/science.270.5238.985 · Cited by 2,766
Self-citationCD28/B7 SYSTEM OF T CELL COSTIMULATION
Lenschow, D. J., Walunas, T. L., & Bluestone, J. A. (1996) · Annual Review of Immunology · doi:10.1146/annurev.immunol.14.1.233 · Cited by 2,717
Takahashi, T., Tagami, T., Yamazaki, S., Uede, T., Shimizu, J., Sakaguchi, N., Mak, T. W., & Sakaguchi, S. (2000) · The Journal of Experimental Medicine · doi:10.1084/jem.192.2.303 · Cited by 2,233
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Metadata
- Authors
- Shahinian, A., Pfeffer, K., Lee, K. P., Kündig, T. M., Kishihara, K., Wakeham, A., Kawai, K., Ohashi, P. S., Thompson, C. B., & Mak, T. W.
- Venue
- Science
- Published
- 1993-07-30
- Volume
- 261
- Issue
- 5121
- Pages
- 609-612
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2090481553
- Cited by
- 1,257
- References
- 56
- FWCI
- 24.77
- Type
- journal article
- Language
- en
- Open access
- closed
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