The role of cytokines and chemokines in the microenvironment of the blood-brain barrier in leukemia central nervous system metastasis

Cancer Management and Research
Mengya SiFang Jiang

Abstract

Central nervous system (CNS) metastasis is a major obstacle in the treatment of leukemia, and the underlying mechanisms of leukemia CNS metastasis are not fully understood. The present study is an investigation of the role of the CNS microenvironment in leukemia CNS metastasis. Analog blood-brain barrier (BBB) was set by coculturing human brain microvascular endothelial cells (HBMVECs) and leukemia cells (U937 and IL-60), as well as HBMVECs and sera from leukemia patients, in vitro. The permeability of the HBMVEC monolayer and the levels of tight junction proteins, cytokines and chemokines (C&Ckines) were measured. The permeability of HBMVECs increased when cocultured with leukemia sera. The expression of C&Ckines was significantly upregulated in HBMVECs cocultured with leukemia sera or leukemia cells, compared to the normal sera (P<0.05, respectively). Specifically, significantly higher levels of vascular endothelial growth factor A (VEGF-A) and matrix metalloprotease 9 (MMP-9) were found in HBMVECs and leukemia cells/sera coculturing systems. Both leukemia cells and the molecules in leukemia sera play an important role in leukemia CNS metastasis. VEGF-A and MMPs may be the main factors resulting in the degradation of the BBB ...Continue Reading

Citations

Dec 11, 2019·Cancer Metastasis Reviews·Fen ZhouHongbo Chen
Nov 16, 2019·Current Neuropharmacology·Katarzyna ChameraAgnieszka Basta-Kaim
Aug 6, 2020·International Journal of Molecular Sciences·Ulrike ErbMichael Karremann
Dec 19, 2019·International Journal of Hematologic Oncology·Neveen L MikhaelElshaymaa A Megahed
Aug 15, 2018·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Zhe YangXin Bai
Jan 7, 2021·Molecular Cancer Therapeutics·Ethan S SrinivasanMustafa Khasraw
Jul 14, 2018·Leukemia Research·Martin MärzMichael Karremann

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