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Published on: May 14, 2021
Interactions between tumor cells and microenvironment in breast cancer: a new opportunity for targeted therapy
Shreya Mitra1, Katherine Stemke-Hale, Gordon B Mills
1Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
Abstract:
Breast cancer remains the leading cause of morbidity and second-leading cause of death in women. Despite efforts to uncover new targeted therapies, a vast number of women die due to refractory or recurrent breast tumors. Most breast cancer studies have focused on the intrinsic characteristics of breast tumor cells, including altered growth, proliferation, and metabolism. However, emerging research suggests that the tumor microenvironment can substantially affect relapse rates and therapeutic responses. In this review, we discuss the interactions between the tumor and microenvironment in breast cancer, with regard to mutational profiles and altered metabolism that could serve as potential therapeutic targets. We also describe current technologies available to study these interactions.
Insights
Breast cancer relapse is influenced by the tumor microenvironment, not just tumor cells. Understanding these interactions offers new therapeutic targets for refractory breast cancer.
Area of Science:
- Oncology
- Cancer Biology
- Tumor Microenvironment Research
Background:
- Breast cancer is a leading cause of death in women, with many cases becoming refractory or recurrent.
- Traditional research focuses on intrinsic tumor cell characteristics, neglecting the tumor microenvironment's role.
- Emerging evidence highlights the tumor microenvironment's significant impact on breast cancer relapse and treatment outcomes.
Purpose of the Study:
- To review the complex interactions between breast tumors and their microenvironment.
- To identify potential therapeutic targets within these interactions, focusing on mutational profiles and metabolism.
- To discuss current technologies for studying tumor-microenvironment interactions in breast cancer.
Main Methods:
- Literature review of recent studies on breast cancer and tumor microenvironment.
- Analysis of research on mutational profiles and metabolic alterations in breast cancer.
- Overview of technological advancements for studying tumor-microenvironment dynamics.
Main Results:
- The tumor microenvironment significantly influences breast cancer progression, relapse, and therapeutic response.
- Specific mutational profiles and metabolic pathways within the tumor microenvironment present viable therapeutic targets.
- Various technologies are available to investigate these intricate tumor-microenvironment interactions.
Conclusions:
- Targeting the tumor microenvironment, alongside tumor cells, is crucial for overcoming breast cancer refractoriness and recurrence.
- Further research into tumor-microenvironment interactions and associated metabolic and mutational changes is warranted.
- Advancements in technology will facilitate a deeper understanding and more effective therapeutic strategies for breast cancer.
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