Visfatin enhances breast cancer progression through CXCL1 induction in tumor-associated macrophages

Wang, Y.-Y., Chen, H.-D., Lo, S. , Chen, Y.-K., Huang, Y.-C., Hu, S. C.-S., Hsieh, Y.-C., Hung, A. C., Hou, M.-F. and Yuan, S.-S. F. (2020) Visfatin enhances breast cancer progression through CXCL1 induction in tumor-associated macrophages. Cancers, 12(12), e3526. (doi: 10.3390/cancers12123526) (PMID:33256011) (PMCID:PMC7760195)

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Abstract

Visfatin, an adipocytokine highly expressed in breast tumor tissues, is associated with breast cancer progression. Recent studies showed that adipocytokines mediate tumor development through adipocytokine tumor-stromal interactions in the tumor microenvironment. This study focused on the interaction between one key stromal constituent—tumor-associated macrophages—and visfatin. Pretreatment of THP-1 and peripheral blood mononuclear cells (PBMCs) with recombinant visfatin resulted in M2-polarization determined by CD163 and CD206 expression. Indirect co-culture with visfatin-treated THP-1 (V-THP-1) promoted the viability, migration, tumorsphere formation, EMT, and stemness of breast cancer cells. Cytokine array identified an increased CXCL1 secretion in V-THP-1 conditioned medium and recombinant CXCL1 enhanced cell migration and invasion, which were abrogated by the CXCL1-neutralizing antibody. Additionally, visfatin induced pERK in THP-1 cells and clinical samples confirmed a positive CXCL1/pERK correlation. In an orthotopic mouse model, the tumor bioluminescent signal of luciferase-expressing MDA-MB-231 (Luc-MDA-MB-231) cells co-cultured with V-THP-1 and the expression of proliferation marker Ki67 were significantly higher than that co-cultured with THP-1. Furthermore, tail vein-injected Luc-MDA-MB-231 pretreated with V-PBMCs conditioned medium metastasized to lungs more frequently compared to control, and this was reversed by CXCL1 blocking antibody. In summary, this study demonstrated that visfatin enhanced breast cancer progression via pERK/CXCL1 induction in macrophages.

Item Type:Articles
Keywords:Visfatin, breast cancer, tumor-associated macrophages, CXCL1.
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Hsieh, Dr Ya-Ching and Lo, Mr Steven
Creator Roles:
Lo, S.Conceptualization, Writing – original draft
Hsieh, Y.-C.Conceptualization, Writing – original draft
Authors: Wang, Y.-Y., Chen, H.-D., Lo, S., Chen, Y.-K., Huang, Y.-C., Hu, S. C.-S., Hsieh, Y.-C., Hung, A. C., Hou, M.-F., and Yuan, S.-S. F.
College/School:College of Medical Veterinary and Life Sciences > Institute of Cancer Sciences
College of Medical Veterinary and Life Sciences > School of Medicine, Dentistry & Nursing
Journal Name:Cancers
Publisher:MDPI
ISSN:2072-6694
ISSN (Online):2072-6694
Copyright Holders:Copyright © 2020 The Authors
First Published:First published in Cancers 12(12):e3526
Publisher Policy:Reproduced under a Creative Commons licence

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