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Archives of Pharmacal Research

, Volume 42, Issue 1, pp 1–13 | Cite as

Tumor endothelial cells as a potential target of metronomic chemotherapy

  • Ji Yoon Kim
  • Young-Myeong KimEmail author
Review
  • 263 Downloads

Abstract

Drug resistance and toxic side effects are major therapeutic hurdles affecting cancer patients receiving conventional chemotherapy based on the maximum tolerated dose. Metronomic chemotherapy (MCT), a new therapeutic approach developed to avoid these problems generally, consists of the continuous administration of low-dose cytotoxic agents without extended intervals. This therapy targets the tumor microenvironment, rather than exerting a direct effect on tumor cells. As a result, the MCT regimen functionally impairs tumor endothelial cells and circulating endothelial progenitor cells, leading to tumor dormancy via anti-angiogenesis. Over the past 10 years, several studies have highlighted the impact of MCT on the tumor microenvironment and angiogenesis and demonstrated its potential as a switch from the pro-angiogenic to the anti-angiogenic state. However, the mechanisms of action are still obscure. Here, we systematically review the evidence regarding the anti-angiogenic potential of MCT as a crucial determinant of tumor dormancy and cancer treatment.

Keywords

Tumor Metronomic chemotherapy Endothelial cells Angiogenesis Vessel normalization 

Notes

Acknowledgements

This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) (NRF-2017R1A2B3004565).

Compliance with Ethical Standards

Conflict of interest

The authors declare that there are no conflicts of interest.

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© The Pharmaceutical Society of Korea 2019

Authors and Affiliations

  1. 1.Department of Anesthesiology and Pain MedicineHanyang University HospitalSeoulSouth Korea
  2. 2.Department of Molecular and Cellular Biochemistry School of MedicineKangwon National University School of MedicineChuncheonSouth Korea

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