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Journal ArticleDOI

Type, Density, and Location of Immune Cells Within Human Colorectal Tumors Predict Clinical Outcome

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TLDR
In situ analysis of tumor-infiltrating immune cells may be a valuable prognostic tool in the treatment of colorectal cancer and possibly other malignancies.
Abstract
The role of the adaptive immune response in controlling the growth and recurrence of human tumors has been controversial. We characterized the tumor-infiltrating immune cells in large cohorts of human colorectal cancers by gene expression profiling and in situ immunohistochemical staining. Collectively, the immunological data (the type, density, and location of immune cells within the tumor samples) were found to be a better predictor of patient survival than the histopathological methods currently used to stage colorectal cancer. The results were validated in two additional patient populations. These data support the hypothesis that the adaptive immune response influences the behavior of human tumors. In situ analysis of tumor-infiltrating immune cells may therefore be a valuable prognostic tool in the treatment of colorectal cancer and possibly other malignancies.

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NCCN Task Force Report: Evaluating the Clinical Utility of Tumor Markers in Oncology

TL;DR: An NCCN Task Force was convened on the topic of evaluating the clinical utility of tumor markers in oncology and describes the ways biomarkers have been developed and used and proposes the use of a combination level of evidence score to aid in the evaluation of novel biomarker tests as they arise.
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What are regulatory T cells (Treg) regulating in cancer and why

TL;DR: Adaptive or inducible Treg or Tr1 are the major subset of regulatory cells present in cancer that mediate powerful suppression of effector T cells via diverse mechanisms, produce immunosuppressive cytokines, notably TGF-β as well as prostaglandin E2 and adenosine, and are resistant to apoptosis or oncological therapies.
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Radiotherapy: Changing the Game in Immunotherapy

TL;DR: Evidence that radiotherapy is not only an occasional enhancer of immunotherapy's effects but a "game changer" is reviewed, and a blueprint to test this is proposed.
References
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Journal ArticleDOI

Inflammation and cancer

TL;DR: It is now becoming clear that the tumour microenvironment, which is largely orchestrated by inflammatory cells, is an indispensable participant in the neoplastic process, fostering proliferation, survival and migration.
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Cancer immunoediting: from immunosurveillance to tumor escape.

TL;DR: The historical and experimental basis of cancer immunoediting is summarized and its dual roles in promoting host protection against cancer and facilitating tumor escape from immune destruction are discussed.
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A gene encoding an antigen recognized by cytolytic T lymphocytes on a human melanoma

TL;DR: In this paper, a gene was identified that directed the expression of antigen MZ2-E on a human melanoma cell line, which belongs to a family of at least three genes.
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Tumour-educated macrophages promote tumour progression and metastasis

TL;DR: Macrophages are educated by the tumour microenvironment, so that they adopt a trophic role that facilitates angiogenesis, matrix breakdown and tumour-cell motility — all of which are elements of the metastatic process.
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