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Detection and Visualization of DNA Damage-induced Protein Complexes in Suspension Cell Cultures Using the Proximity Ligation Assay
Published on: June 9, 2017
Damage-associated molecular patterns in cancer: a double-edged sword
C Hernandez1, P Huebener1,2, R F Schwabe1,3
1Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, USA.
Abstract:
Damage-associated molecular patterns (DAMPs) are released in response to cell death and stress, and are potent triggers of sterile inflammation. Recent evidence suggests that DAMPs may also have a key role in the development of cancer, as well as in the host response to cytotoxic anti-tumor therapy. As such, DAMPs may exert protective functions by alerting the immune system to the presence of dying tumor cells, thereby triggering immunogenic tumor cell death. On the other hand, cell death and release of DAMPs may also trigger chronic inflammation and, thereby promote the development or progression of tumors. Here, we will review the contribution of candidate DAMPs and their receptors, and discuss the evidence for DAMPs as tumor-promoting and anti-tumor effectors, as well as unsolved questions such as DAMP release from non-tumor cells as well as the existence of tumor-specific DAMPs.
Insights
Damage-associated molecular patterns (DAMPs) signal cell death and inflammation. Emerging research shows DAMPs can both promote and fight cancer, influencing tumor growth and anti-cancer therapies.
Area of Science:
- Immunology
- Oncology
- Cell Biology
Background:
- Damage-associated molecular patterns (DAMPs) are released during cell death and stress, initiating sterile inflammation.
- DAMPs are increasingly implicated in cancer development and the body's response to anti-cancer treatments.
Purpose of the Study:
- To review the role of DAMPs and their receptors in cancer.
- To discuss evidence for DAMPs acting as both tumor promoters and anti-tumor effectors.
- To highlight unresolved questions regarding DAMPs in the tumor microenvironment.
Main Methods:
- Literature review of existing research on DAMPs in cancer.
- Analysis of studies investigating DAMPs' impact on tumor cell death and inflammation.
- Examination of evidence for DAMPs' dual role in tumor progression and immune response.
Main Results:
- DAMPs can trigger immunogenic cell death, alerting the immune system to tumor cells.
- Conversely, DAMPs can fuel chronic inflammation, potentially promoting tumor growth and progression.
- The precise mechanisms and contexts for DAMPs' pro- or anti-tumor effects are complex and require further investigation.
Conclusions:
- DAMPs represent a critical link between cell death, inflammation, and cancer.
- Understanding DAMPs' multifaceted roles is essential for developing novel cancer therapies.
- Further research is needed on DAMP release from non-tumor cells and the existence of tumor-specific DAMPs.
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