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Periostin Upregulated in Cancer-Associated Fibroblasts upon Direct Contact with Cancer Cells Promotes Esophageal Squamous Cell Carcinoma Progression by Enhancing the Migration of Cancer Cells and Stromal Cells

ABSTRACT: Cancer-associated fibroblasts (CAFs) in the tumor microenvironment are involved in the progression of esophageal squamous cell carcinoma (ESCC). We generated CAF-like cells by direct co-culture of human bone marrow-derived mesenchymal stem cells (MSCs), one of the origins of CAFs, with ESCC cell lines and found that periostin is highly expressed in CAF-like cells. Periostin activated Akt and Erk signaling pathways in ESCC cells, enhancing survival and migration via integrin β4, one of the receptors for periostin. Periostin also enhanced migration of MSCs and macrophages and caused macrophages to acquire tumor-associated macrophage (TAM)-like properties. High periostin expression in cancer stroma was associated with several clinicopathological factors and expressions of CAF markers and numbers of infiltrating TAMs. Moreover, ESCC patients with high periostin expression exhibited significantly poor postoperative outcomes. Thus, periostin secreted from CAFs enhanced the migration of ESCC cells, MSCs, and macrophages and contributed to developing the tumor microenvironment. These results indicate that periostin may be a novel therapeutic target for ESCC.

ORGANISM(S): Homo sapiens

PROVIDER: GSE244020 | GEO | 2024/01/08

REPOSITORIES: GEO

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Project description:Carcinoma-associated fibroblasts (CAFs) that express ?-smooth-muscle-actin (?SMA+) contribute to cancer progression, but their precise origin and role in tumorigenesis is not established. Using mouse models of inflammation-induced gastric cancer, we show that at least 20% of CAFs originate from bone marrow and derive from mesenchymal stem cells (MSCs). Surprisingly, we find that ?SMA+ myofibroblasts (MF) are niche cells normally present in bone marrow and increase markedly in the bone marrow and blood during progression to dysplasia. MSC-derived CAFs that are recruited to the dysplastic stomach express IL-6, Wnt5? and BMP4 and show DNA hypomethylation. Bone marrow (BM)-derived CAFs strongly promote tumor growth in organotypic and xenograft models. In addition, CAFs are generated from MSCs and are recruited to distant tumor sites in a TGF-?- and SDF-1?-dependent manner. Carcinogenesis therefore involves the expansion and relocation of normal bone marrow niche cells to the tumor site where they create a new niche to sustain cancer progression. Since resident (non-BM-derived) CAFs could not be cultured and directly compared to BM-derived CAFs, we additionally isolated total RFP(+) gastric CAFs from aSMA-RFP mice with Helicobacter felis-induced dysplasia, and compared them to GFP(+) BM-derived gastric CAFs from mice with H. felis-induced dysplasia mice that had been transplanted with UBC-EGFP bone marrow. The RFP+ CAFs (HF CAF) represent total CAFs (of which only 20% were BM-derived), while the latter represented only BM-derived CAFs (BM CAF). We compared their gene expression using the Illumina array (MouseWG-6v2) directly after FACS sorting. Interestingly, the GFP+ BM-derived CAFs expressed higher levels of inflammatory genes (IL-6, IL-1?, IL-33) and a number of tumor and stem cell associated factors (CCL5, SPP1, Notch3, MMP9, CD47, CXCR4, PARP10,) compared to the total (RFP+) population of gastric CAFs. Comparison of bone marrow-derived GFP-labeled gastric CAFs versus all gastric CAFs.

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Periostin Upregulated in Cancer-Associated Fibroblasts upon Direct Contact with Cancer Cells Promotes Esophageal Squamous Cell Carcinoma Progression by Enhancing the Migration of Cancer Cells and Stromal Cells

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