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Monoclonal antibodies as applied to tumor-associated antigens: the CO17-1A antigen
A H Ross1, D Herlyn, Z Steplewski
1Wistar Institute of Anatomy and Biology, Philadelphia, Pennsylvania.
Abstract:
The development of antitumor MAbs has led to the identification of many TAAs but no TSAs. It now seems unlikely that there are antigens exclusively associated with any tumor type. Nonetheless, there are numerous applications of the antitumor MAbs. They are used in serum assays to monitor tumor burden and in histologic assays to identify the tumor type. Initial attempts to use MAbs therapeutically have benefited some patients, but much work is needed to better understand the mechanism and to enhance this tumoricidal effect. Finally, the antitumor MAbs will allow biochemical and genetic analyses of the roles of TAAs in tumor progression.
Insights
Monoclonal antibodies (MAbs) targeting tumors identify tumor-associated antigens (TAAs) but not tumor-specific antigens (TSAs). These MAbs have diagnostic and therapeutic applications, aiding in tumor monitoring and treatment strategies.
Area of Science:
- Oncology
- Immunology
- Biochemistry
Background:
- Monoclonal antibodies (MAbs) have been developed targeting tumors.
- This has led to the identification of numerous tumor-associated antigens (TAAs).
- However, no tumor-specific antigens (TSAs) exclusively linked to a single tumor type have been discovered.
Purpose of the Study:
- To explore the applications of antitumor MAbs.
- To discuss their role in diagnosis and therapy.
- To highlight future research directions for understanding TAAs.
Main Methods:
- Utilizing antitumor MAbs for serum and histologic assays.
- Analyzing initial therapeutic applications of MAbs.
- Biochemical and genetic analyses of TAAs.
Main Results:
- Antitumor MAbs are valuable tools for identifying TAAs, not TSAs.
- MAbs are effective in serum assays for monitoring tumor burden.
- Histologic assays using MAbs aid in tumor type identification.
Conclusions:
- Antitumor MAbs have diverse applications in cancer diagnostics and monitoring.
- Therapeutic use of MAbs shows promise but requires further research for enhanced efficacy.
- MAbs facilitate crucial biochemical and genetic studies on TAAs and tumor progression.