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Published on: June 12, 2021
Tumor cell intrinsic mechanisms of immune escape
Ganapathy Sriram1,2, Ahmed Aquib3, Robert Glassman4
1Department of Biological, Chemical and Environmental Sciences, Wheaton College, 26 E Main St, Norton, MA, 02766, USA. Sriram_ganapathy@wheatoncollege.edu.
Abstract:
Cancer arises in a multi-step process involving acquisition of mutations, activation of oncogenes and the loss of tumor suppressive mechanisms in normal cells. Such intrinsic genetic events lead to cellular transformation and gain of aggressive traits including enhanced proliferation and survival, as well as invasion and metastasis of tumor cells. Recent evidence suggests that tumor cell-intrinsic signaling pathways can also lead to suppression of the immune response against tumor cells resulting in failure of cancer cells to be recognized and eliminated by the host immune system. Insights into the tumor-intrinsic mechanisms of immune escape will not only expand our understanding of tumor development and progression but help develop new combinations of therapeutic strategies in immuno-oncology to better align them with targeted therapeutics. Historically, the literature on oncogenes and tumor suppressor mechanisms has focused on signaling pathways leading to tumor cell proliferation, survival, and metastasis. Here, in this special thematic collection published in Cell Communication and Signaling ( https://link.springer.com/collections/dbbfcgaece ), we featured commentaries, review articles, and primary research articles that highlight recent work focused on the molecular and mechanistic links between intrinsic oncogenic signaling and mechanisms of immune escape. We conclude with commentary and open questions and challenges that remain in this emerging field.
Insights
Cancer cells utilize intrinsic signaling pathways to evade immune detection, hindering effective cancer therapies. Understanding these mechanisms is crucial for developing novel immuno-oncology treatments targeting cancer immune escape.
Area of Science:
- Oncology
- Immunology
- Molecular Biology
Background:
- Cancer develops through genetic mutations, oncogene activation, and loss of tumor suppressors, leading to aggressive cellular traits.
- Tumor-intrinsic signaling pathways can suppress the host immune response, enabling cancer cells to evade immune surveillance.
- Previous research primarily focused on oncogenic signaling related to proliferation, survival, and metastasis.
Purpose of the Study:
- To explore the molecular and mechanistic links between intrinsic oncogenic signaling and cancer immune escape mechanisms.
- To highlight recent advancements in understanding how cancer cells suppress immune responses.
- To identify challenges and future directions in the field of tumor-intrinsic immune escape.
Main Methods:
- Thematic collection of commentaries, review articles, and primary research.
- Focus on molecular and mechanistic investigations.
- Synthesis of current knowledge and identification of open questions.
Main Results:
- Recent evidence links tumor-intrinsic signaling pathways to immune suppression and evasion.
- This connection expands understanding of tumor development, progression, and immune escape.
- The thematic collection showcases diverse research on oncogenic signaling and immune escape.
Conclusions:
- Understanding tumor-intrinsic immune escape mechanisms is vital for advancing cancer therapy.
- New therapeutic strategies in immuno-oncology can be developed by combining insights from targeted therapeutics and immune escape mechanisms.
- Further research is needed to address remaining challenges in this emerging field.
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