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Monitoring of Nanodrug Accumulation in Murine Breast Cancer Metastases
Published on: August 23, 2024
Nanomedicine as a Promising Tool to Overcome Immune Escape in Breast Cancer
Alba Navarro-Ocón1,2, Jose L Blaya-Cánovas1,2,3, Araceli López-Tejada1,2,4
1GENYO, Centre for Genomics and Oncological Research, Pfizer/University of Granada/Andalusian Regional Government, 18016 Granada, Spain.
Abstract:
Breast cancer is the most common type of malignancy and leading cause of cancer death among women worldwide. Despite the current revolutionary advances in the field of cancer immunotherapy, clinical response in breast cancer is frequently below expectations, in part due to various mechanisms of cancer immune escape that produce tumor variants that are resistant to treatment. Thus, a further understanding of the molecular events underlying immune evasion in breast cancer may guarantee a significant improvement in the clinical success of immunotherapy. Furthermore, nanomedicine provides a promising opportunity to enhance the efficacy of cancer immunotherapy by improving the delivery, retention and release of immunostimulatory agents in targeted cells and tumor tissues. Hence, it can be used to overcome tumor immune escape and increase tumor rejection in numerous malignancies, including breast cancer. In this review, we summarize the current status and emerging trends in nanomedicine-based strategies targeting cancer immune evasion and modulating the immunosuppressive tumor microenvironment, including the inhibition of immunosuppressive cells in the tumor area, the activation of dendritic cells and the stimulation of the specific antitumor T-cell response.
Insights
Nanomedicine enhances cancer immunotherapy for breast cancer by overcoming immune evasion. This approach improves treatment efficacy by targeting immunosuppressive tumor microenvironments and boosting anti-tumor immune responses.
Area of Science:
- Oncology
- Immunology
- Nanomedicine
Background:
- Breast cancer is a leading cause of cancer death globally.
- Current cancer immunotherapy shows limited clinical response in breast cancer due to immune escape mechanisms.
- Understanding molecular events in breast cancer immune evasion is crucial for improving immunotherapy success.
Purpose of the Study:
- To review nanomedicine-based strategies for targeting cancer immune evasion in breast cancer.
- To explore methods for modulating the immunosuppressive tumor microenvironment.
- To highlight emerging trends in enhancing anti-tumor immune responses.
Main Methods:
- Review of current literature on nanomedicine applications in cancer immunotherapy.
- Analysis of strategies targeting immunosuppressive cells and pathways.
- Examination of nanomedicine's role in dendritic cell activation and T-cell stimulation.
Main Results:
- Nanomedicine can improve delivery, retention, and release of immunostimulatory agents.
- Targeting immunosuppressive cells and modulating the tumor microenvironment are key strategies.
- Nanomedicine shows potential to overcome immune escape and enhance tumor rejection.
Conclusions:
- Nanomedicine offers a promising approach to enhance breast cancer immunotherapy efficacy.
- Modulating the tumor microenvironment via nanomedicine can overcome treatment resistance.
- Further research into nanomedicine-based strategies is essential for clinical advancement.
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