RRC ID 63856
著者 Okamoto M, Koma YI, Kodama T, Nishio M, Shigeoka M, Yokozaki H.
タイトル Growth Differentiation Factor 15 Promotes Progression of Esophageal Squamous Cell Carcinoma via TGF-β Type II Receptor Activation.
ジャーナル Pathobiology
Abstract OBJECTIVES:Growth differentiation factor 15 (GDF15), which is derived from tumor-associated macrophages (TAM) and cancer cells, promotes progression of esophageal squamous cell carcinomas (ESCC). However, its role in the ESCC microenvironment remains unclear. Here, we examined the effects of GDF15 on ESCC cell lines and tissues.
METHODS:Western blotting, MTS, and Transwell migration/invasion assays were used to evaluate cell signaling, proliferation, and migration/invasion, respectively, in ESCC cell lines treated with recombinant human GDF15 (rhGDF15). ESCC cell lines were administered a TGF-βRI/II inhibitor (LY2109761), small interfering RNA against TGF-β type II receptor (TGF-βRII), or neutralizing antibody against TGF-βRII to study the role of TGF-βRII in mediating the effects of rhGDF15. The localization of GDF15 and TGF-βRII in ESCC cell lines was observed by immunofluorescence. TGF-βRII expression in ESCC tissues was analyzed by immunohistochemistry, and the relationship between clinicopathological factors and prognosis in ESCC patients was evaluated.
RESULTS:rhGDF15 increased levels of phosphorylated Akt, Erk1/2, and TGF-βRII in ESCC cell lines. Inhibition/knockdown of TGF-βRII suppressed rhGDF15-induced activation of Akt and Erk1/2 and enhancement of cellular proliferation, migration, and invasion. Immunofluorescence revealed that TGF-βRII and GDF15 were colocalized in ESCC cell lines. High TGF-βRII expression in ESCC tissues, as determined by immunohistochemistry, correlated with depth of invasion and increased number of infiltrating TAMs. ESCC patients with high TGF-βRII expression showed a tendency toward poor prognosis.
CONCLUSIONS:GDF15 promotes ESCC progression by increasing cellular proliferation, migration, and invasion via TGF-βRII signaling.
巻・号 87(2)
ページ 100-113
公開日 2020-1-1
DOI 10.1159/000504394
PII 000504394
PMID 31896114
MeSH Aged Cell Line, Tumor Cell Proliferation Disease Progression Esophageal Squamous Cell Carcinoma / genetics* Esophageal Squamous Cell Carcinoma / pathology* Fluorescent Antibody Technique Gene Expression Regulation, Neoplastic Growth Differentiation Factor 15 / genetics* Growth Differentiation Factor 15 / pharmacology* Humans Middle Aged Neoplasm Invasiveness / genetics Paraffin Embedding Phosphorylation Receptor, Transforming Growth Factor-beta Type II / genetics* Recombinant Proteins / pharmacology Signal Transduction / genetics*
IF 1.985
リソース情報
ヒト・動物細胞 TE-8(RCB2098) TE-9(RCB1988) TE-10(RCB2099) TE-11(RCB2100) TE-15(RCB1951)