期刊
ONCOLOGY REPORTS
卷 34, 期 1, 页码 129-138出版社
SPANDIDOS PUBL LTD
DOI: 10.3892/or.2015.3951
关键词
Oncostatin M; endometrial cancer; STAT3; angiogenesis
类别
资金
- National Natural Science Foundation of China [81472427, 81272885, 81172476]
- Doctorial Innovation Fund of Shanghai Jiao Tong University School of Medicine [BXJ201338]
Oncostatin M (OSM), a pleiotropic cytokine, can either promote or inhibit the growth of tumors derived from specific tissues. However, little is known about the activity and expression pattern of OSM in endometrial cancers (ECs). Herein we show that expression of OSM in human ECs was significantly higher than that in hyperplastic or normal tissues. In EC tissues, high OSM levels were positively correlated with tumor stage, histological grade, myometrial invasion, and lymph node metastasis. Additionally, we demonstrated that recombinant human OSM (rhOSM) promoted tumor angiogenesis in EC cell lines by activating STAT3 (signal transducer and activator of transcription 3) and enhanced both cell migration and cell invasion. rhOSM did not, however, influence the proliferation of EC cells in vitro. In contrast, in our in vivo xenograft model, overexpression of rhOSM promoted cell proliferation, tumor growth, and angiogenesis in nude mice. Collectively, these experiments suggest that OSM may be a tumor promoter that encourages EC progression. OSM may thus serve as a potential target of antiangiogenic therapy for endometrial cancer.
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