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Harnessing the immune system in the battle against breast cancer
Elizabeth S Nakasone1, Sara A Hurvitz2, Kelly E McCann2
1Department of Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA.
Abstract:
Breast cancer is the most prevalent malignancy in women and the second most common cause of cancer-related death worldwide. Despite major innovations in early detection and advanced therapeutics, up to 30% of women with node-negative breast cancer and 70% of women with node-positive breast cancer will develop recurrence. The recognition that breast tumors are infiltrated by a complex array of immune cells that influence their development, progression, and metastasis, as well as their responsiveness to systemic therapies has sparked major interest in the development of immunotherapies. In fact, not only the native host immune system can be altered to promote potent antitumor response, but also its components can be manipulated to generate effective therapeutic strategies. We present here a review of the major approaches to immunotherapy in breast cancers, both successes and failures, as well as new therapies on the horizon.
Insights
Breast cancer immunotherapy harnesses the immune system to fight tumors. This review covers current successes, failures, and emerging immunotherapies for breast cancer treatment.
Area of Science:
- Oncology
- Immunology
- Cancer Research
Background:
- Breast cancer is a leading cause of cancer death in women globally.
- Recurrence remains a significant challenge, affecting up to 30% of node-negative and 70% of node-positive cases.
- Tumor-infiltrating immune cells critically influence cancer progression and treatment response.
Purpose of the Study:
- To review major immunotherapy approaches for breast cancer.
- To analyze both successful and unsuccessful strategies.
- To highlight novel immunotherapies currently under development.
Main Methods:
- Literature review of existing breast cancer immunotherapy research.
- Analysis of clinical trial data and published outcomes.
- Synthesis of information on immune cell roles in breast cancer.
Main Results:
- Immunotherapy has shown promise but faces challenges in breast cancer treatment.
- Understanding the tumor immune microenvironment is key to effective immunotherapy.
- Various strategies exist, including modulating the host immune system and direct manipulation of immune components.
Conclusions:
- Immunotherapy represents a rapidly evolving field with significant potential for breast cancer.
- Continued research is essential to overcome current limitations and optimize therapeutic strategies.
- Emerging immunotherapies offer new hope for improving patient outcomes in breast cancer.
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