Triple-negative breast cancer influences a mixed M1/M2 macrophage phenotype associated with tumor aggressiveness

Triple-negative breast cancer (TNBC) is characterized by excessive accumulation of tumor-infiltrating immune cells, including tumor-associated macrophages (TAMs). TAMs consist of a heterogeneous population with high plasticity and are associated with tumor aggressiveness and poor prognosis. Moreover...

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Veröffentlicht in:PloS one 2022-08, Vol.17 (8), p.e0273044-e0273044
Hauptverfasser: Pe, Kristine Cate S, Saetung, Rattana, Yodsurang, Varalee, Chaotham, Chatchai, Suppipat, Koramit, Chanvorachote, Pithi, Tawinwung, Supannikar
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container_title PloS one
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creator Pe, Kristine Cate S
Saetung, Rattana
Yodsurang, Varalee
Chaotham, Chatchai
Suppipat, Koramit
Chanvorachote, Pithi
Tawinwung, Supannikar
description Triple-negative breast cancer (TNBC) is characterized by excessive accumulation of tumor-infiltrating immune cells, including tumor-associated macrophages (TAMs). TAMs consist of a heterogeneous population with high plasticity and are associated with tumor aggressiveness and poor prognosis. Moreover, breast cancer cells can secrete factors that influence TAM polarization. Therefore, this study aimed to evaluate the crosstalk between cancer cells and macrophages in the context of TNBC. Cytokine-polarized M2 macrophage were used as control. Distinct from the classical M2 macrophage, TAMs generated from TNBC-conditioned media upregulated both M1- and M2-associated genes, and secreted both the anti-inflammatory cytokine interleukin IL-10 and the proinflammatory cytokine IL-6 and tumor necrosis factor- [alpha]. Theses TNBC-induced TAMs exert aggressive behavior of TNBC cells. Consistently, TCGA and MTABRIC analyses of human breast cancer revealed upregulation of M1- associated genes in TNBC comparing with non-TNBC. Among these M1-associated genes, CXCL10 and IL1B were revealed to be independent prognostic factors for disease progression. In conclusion, TNBC cells induce macrophage polarization with a mixture of M1 and M2 phenotypes. These cancer-induced TAMs further enhance tumor cell growth and aggressiveness.
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subjects Biology and Life Sciences
Breast cancer
Cell growth
Chemokines
Crosstalk
CXCL10 protein
Cytokines
Development and progression
Diagnosis
Flow cytometry
Gene expression
Genes
Genotype & phenotype
Growth factors
Health aspects
IL-1β
Immune system
Inflammation
Interleukin 10
Interleukin 6
Macrophages
Medical prognosis
Medicine and Health Sciences
Phenotypes
Polarization
Polymerase chain reaction
Survival analysis
Tumor necrosis factor-TNF
Tumor-infiltrating lymphocytes
title Triple-negative breast cancer influences a mixed M1/M2 macrophage phenotype associated with tumor aggressiveness
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