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Review
. 2017 Aug 9:8:939.
doi: 10.3389/fimmu.2017.00939. eCollection 2017.

Metabolic Plasticity of Stem Cells and Macrophages in Cancer

Jelena Krstic  1   2 , Drenka Trivanovic  1 , Aleksandra Jaukovic  1 , Juan F Santibanez  1 , Diana Bugarski  1
Affiliations
Review

Metabolic Plasticity of Stem Cells and Macrophages in Cancer

Jelena Krstic et al. Front Immunol. .

Abstract

In addition to providing essential molecules for the overall function of cells, metabolism plays an important role in cell fate and can be affected by microenvironmental stimuli as well as cellular interactions. As a specific niche, tumor microenvironment (TME), consisting of different cell types including stromal/stem cells and immune cells, is characterized by distinct metabolic properties. This review will be focused on the metabolic plasticity of mesenchymal stromal/stem cells (MSC) and macrophages in TME, as well as on how the metabolic state of cancer stem cells (CSC), as key drivers of oncogenesis, affects their generation and persistence. Namely, heterogenic metabolic phenotypes of these cell populations, which include various levels of dependence on glycolysis or oxidative phosphorylation are closely linked to their complex roles in cancer progression. Besides well-known extrinsic factors, such as cytokines and growth factors, the differentiation and activation states of CSC, MSC, and macrophages are coordinated by metabolic reprogramming in TME. The significance of mutual metabolic interaction between tumor stroma and cancer cells in the immune evasion and persistence of CSC is currently under investigation.

Keywords: cancer; cancer stem cells; macrophages; mesenchymal stem cells; metabolism; plasticity; tumor microenvironment.

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Figures

Figure 1
Figure 1
Metabolic plasticity of cells in tumor microenvironment. Selected metabolic features of (A) cancer stem cells (CSC), (B) mesenchymal stromal/stem cells (MSC)/cancer-associated fibroblasts (CAF), and (C) macrophages. Refer to the text for further details.
See this image and copyright information in PMC

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