2020
DOI: 10.1002/1878-0261.12701
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Estrogen receptor α promotes lung cancer cell invasion via increase of and cross‐talk with infiltrated macrophages through the CCL2/CCR2/MMP9 and CXCL12/CXCR4 signaling pathways

Abstract: Data analysis of clinical samples suggests that higher estrogen receptor a (ERa) expression could be associated with worse overall survival in some patients with non-small-cell lung cancer (NSCLC). Immunofluorescence results further showed that higher ERa expression was linked to larger numbers of infiltrated macrophages in NSCLC tissues. However, the detailed mechanisms underlying this phenomenon remain unclear. Results from in vitro studies with multiple cell lines revealed that, in NSCLC cells, ERa can acti… Show more

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Cited by 35 publications
(18 citation statements)
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“…GSEA analysis revealed that B3GNT3 might contribute to the chemokine-mediated activity of the PI3K signaling pathway, and indicated the negative correlation between B3GNT3 expression and immunostimulator expression. CCL2 is required for tumor-associated macrophages to induce immune evasion ( 26 ), to promote cancer cell progression ( 27 ) and invasion ( 28 ). Furthermore, CCL4 is associated with a T cell-inflamed phenotype in primary and metastatic pancreatic cancer ( 29 ).…”
Section: Discussionmentioning
confidence: 99%
“…GSEA analysis revealed that B3GNT3 might contribute to the chemokine-mediated activity of the PI3K signaling pathway, and indicated the negative correlation between B3GNT3 expression and immunostimulator expression. CCL2 is required for tumor-associated macrophages to induce immune evasion ( 26 ), to promote cancer cell progression ( 27 ) and invasion ( 28 ). Furthermore, CCL4 is associated with a T cell-inflamed phenotype in primary and metastatic pancreatic cancer ( 29 ).…”
Section: Discussionmentioning
confidence: 99%
“…In addition, the CCL2-CCR2 signaling pathway regulates macrophage polarization during cancer treatment. In a mouse model of non-small-cell lung cancer (NSCLC), it has been shown that estrogen receptor alpha (Erα) can activate the CCL2-CCR2 axis to promote macrophage infiltration, M2 polarization and MMP9 production, which increased NSCLC cell invasion [ 83 ]. Mechanistically, ERα was shown to bind to estrogen response elements on the CCL2 promoter, thereby increasing CCL2 expression.…”
Section: Macrophages In Tumor Therapymentioning
confidence: 99%
“…Mechanistically, ERα was shown to bind to estrogen response elements on the CCL2 promoter, thereby increasing CCL2 expression. Using anti-estrogens or CCR2 antagonists to target the CCL2-CCR2 axis may improve outcomes in NSCLC [ 83 ]. In a murine breast tumor model, targeting the CCL2-CCR2 axis by complexes of CCR2 siRNAs and TAT cell penetrating peptides enhanced the efficacy of immunotherapy and promoted the reprogramming of TAMs [ 84 ].…”
Section: Macrophages In Tumor Therapymentioning
confidence: 99%
“…On the other hand, the expression of ER is related to the secretion of chemokines, which acts as the bridge between cancer cells and immune cells. The estrogen and ERα expression enhances the secretion of CCL2 and increases the expression level of macrophage-induced C-X-C Motif Chemokine Ligand 12 (CXCL12) [ 125 , 126 ]. Meanwhile, ERα can also promote the CXCL11 secretion of cancer cells and activate EMT induced by CXCR7 [ 127 ].…”
Section: Cytokines and Chemokinesmentioning
confidence: 99%