This article reviews how key interactions between tumor cells and surrounding mesenchymal and immune cells in the TME can promote tumor progression and it highlights cellular and molecular elements that might represent novel therapeutic targets. Special emphasis is given on therapies targeted towards tumor-associated macrophages. As main class of drugs the bisphosphonates are covered with their properties to repolarize a pro-tumorigenic, immunosuppressive environment to a tumor growth inhibiting and immunocompetent microenvironment. Properties and advantages of liposome-encapsulated bisphosphonates as macrophage depleting or modulating agents as well as the latest developments towards clinical applications of compounds targeting cellular and molecular components of the TME are described and reviewed.
Total Pages: 3-68 (66)
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