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Cancer and the tumor microenvironment: a review of an essential relationship

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Abstract

Purpose

The role of the microenvironment during the initiation and progression of carcinogenesis is now realized to be of critical importance, both for enhanced understanding of fundamental cancer biology, as well as exploiting this source of relatively new knowledge for improved molecular diagnostics and therapeutics.

Methods

This review focuses on: (1) the approaches of preparing and analyzing secreted proteins, (2) the contribution of tumor microenvironment elements in cancer, and (3) the potential molecular targets for cancer therapy.

Results

The microenvironment of a tumor is an integral part of its physiology, structure, and function. It is an essential aspect of the tumor proper, since it supplies a nurturing environment for the malignant process. A fundamental deranged relationship between tumor and stromal cells is essential for tumor cell growth, progression, and development of life threatening metastasis. Improved understanding of this interaction may provide new and valuable clinical targets for cancer management, as well as risk assessment and prevention. Non-malignant cells and secreted proteins from tumor and stromal cells are active participants in cancer progression.

Conclusions

Monitoring the change in the tumor microenvironment via molecular and cellular profiles as tumor progresses would be vital for identifying cell or protein targets for cancer prevention and therapy.

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Authors and Affiliations

  1. Department of Molecular and Structural Biochemistry, North Carolina State University, 128 Polk Hall, Campus Box 7622, Raleigh, NC, 27695, USA

    Flaubert Mbeunkui

  2. Center for Cancer Research, Medical Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA

    Donald J. Johann Jr

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Correspondence to Flaubert Mbeunkui or Donald J. Johann Jr.

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Mbeunkui, F., Johann, D.J. Cancer and the tumor microenvironment: a review of an essential relationship. Cancer Chemother Pharmacol 63, 571–582 (2009). https://doi.org/10.1007/s00280-008-0881-9

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