Related Experiment Videos
[Telomerase, a universal target in immunotherapy strategies against tumor?]
1Center for Cell and Gene Therapy, Baylor College of Medicine, Texas Children's Cancer Center, Houston, Texas, USA. rousseau@bcm.tmc.edu
Abstract:
Generating an antitumor immune response in tumor-bearing host has been impaired by several characteristics of both patient and tumor cells. Amongst those requirements is the necessity of generating immune effectors that are specific to tumor cells. The last two decades have seen the description of many so called tumor "specific" antigens. Indeed, strictly specific tumor antigens are scarce. Most antigens are tumor-associated antigens, also shared by normal tissues. Telomerase and its activity have recently been recognized as a major marker of tumoral growth in more than 80% of cancers. Some telomerase subunits might be ideal, if not universal, targets to an antitumor immune response in patients with cancer. Many other major parameters remain to be understood and to be mastered. Nevertheless, experiments reported in this overview give hope to the possibility of generating an immune response aimed at elements of telomerase, both in healthy subjects and in patients with advanced disease.
Insights
Generating an effective antitumor immune response is challenging. Targeting telomerase, a marker in over 80% of cancers, shows promise for cancer immunotherapy.
Area of Science:
- Oncology
- Immunology
- Molecular Biology
Context:
- Generating an effective antitumor immune response is hindered by patient and tumor cell characteristics.
- Tumor-specific antigens are rare; most are tumor-associated antigens shared with normal tissues.
Purpose:
- To explore the potential of telomerase as a universal target for cancer immunotherapy.
- To review the feasibility of generating an immune response against telomerase in cancer patients.
Summary:
- Telomerase activity is a hallmark of over 80% of cancers, making its subunits potential targets for immunotherapy.
- While challenges remain, research suggests that targeting telomerase can elicit an antitumor immune response.
Impact:
- This research offers hope for developing novel immunotherapies against a broad spectrum of cancers.
- Understanding telomerase as an antigen target could lead to new strategies for cancer treatment in both healthy individuals and patients.