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Updated: Mar 17, 2026

Author Spotlight: Investigating Immune Cell Dynamics in the Tumor Microenvironment — Challenges and Innovations in Cancer Prognosis
Published on: April 12, 2024
Harnessing immunosurveillance: current developments and future directions in cancer immunotherapy
Maureen L Drakes1, Patrick J Stiff1
1Department of Medicine, Division of Hematology and Oncology, Stritch School of Medicine, Loyola University Chicago, Maywood, IL, USA.
Abstract:
Despite improved methods of cancer detection and disease management over the last few decades, cancer remains a major public health problem in many societies. Conventional therapies, such as chemotherapy, radiation, and surgery, are not usually sufficient to prevent disease recurrence. Therefore, efforts have been focused on developing novel therapies to manage metastatic disease and to prolong disease-free and overall survival, by modulating the immune system to alleviate immunosuppression, and to enhance antitumor immunity. This review discusses protumor mechanisms in patients that circumvent host immunosurveillance, and addresses current immunotherapy modalities designed to target these mechanisms. Given the complexity of cancer immunosuppressive mechanisms, we propose that identification of novel disease biomarkers will drive the development of more targeted immunotherapy. Finally, administration of different classes of immunotherapy in combination regimens, will be the ultimate route to impact low survival rates in advanced cancer patients.
Insights
Cancer immunotherapy aims to enhance the immune system against tumors by overcoming immunosuppression. Novel biomarkers and combination therapies are crucial for improving survival in advanced cancer patients.
Area of Science:
- Oncology
- Immunology
- Cancer Research
Background:
- Cancer remains a significant public health issue despite advances in detection and conventional treatments.
- Conventional therapies like chemotherapy, radiation, and surgery often fail to prevent cancer recurrence.
- Novel therapeutic strategies are needed to manage metastatic disease and improve patient survival.
Purpose of the Study:
- To review protumor mechanisms that evade immune surveillance in cancer patients.
- To discuss current immunotherapies targeting these immunosuppressive mechanisms.
- To highlight the role of biomarkers and combination immunotherapy for advanced cancer.
Main Methods:
- Literature review of protumor mechanisms and immunotherapy modalities.
- Analysis of current strategies to enhance antitumor immunity.
- Discussion on the potential of novel biomarkers and combination regimens.
Main Results:
- Protumor mechanisms effectively circumvent host immunosurveillance in cancer patients.
- Current immunotherapies aim to target these immunosuppressive pathways.
- Biomarker discovery and combination immunotherapy approaches show promise.
Conclusions:
- Targeted immunotherapy development requires identification of novel cancer biomarkers.
- Combination immunotherapy regimens are essential for improving survival rates in advanced cancer.
- Modulating the immune system is key to overcoming cancer recurrence and metastasis.
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