{"title":"PDGF/PDGFR effects in osteosarcoma and the \"add-on\" strategy.","authors":"Jie Xu, Lu Xie, Wei Guo","doi":"10.1186/s13569-018-0102-1","DOIUrl":null,"url":null,"abstract":"<p><p>New treatment options for advanced osteosarcoma have remained limited. The platelet-derived growth factor (PDGF)/platelet-derived growth factor receptor (PDGFR) pathway plays an important role in the development and metastasis of osteosarcoma, via either direct autocrine stimulation of tumor cells, or paracrine stimulation on tumor stromal cells. It promotes angiogenesis to overcome hypoxia in the tumor microenvironment, and modulates tumor interstitial fluid pressure to control the influx and efflux of other agents. Targeting the PDGF/PDGFR pathway is a promising therapeutic method to overcome drug resistance and improve patients' outcome in osteosarcoma. Further evidence is needed to define the detailed mechanism. Results from clinical trials using PDGF/PDGFR inhibitor as a single agent were disappointing, both in osteosarcoma and soft tissue sarcoma. However, when combined with other agents, named as \"add-on\" strategy, a synergistic antitumor effect has been confirmed in soft tissue sarcoma, and should be attempted in osteosarcoma.</p>","PeriodicalId":10684,"journal":{"name":"Clinical Sarcoma Research","volume":"8 ","pages":"15"},"PeriodicalIF":0.0000,"publicationDate":"2018-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1186/s13569-018-0102-1","citationCount":"26","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Clinical Sarcoma Research","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1186/s13569-018-0102-1","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2018/1/1 0:00:00","PubModel":"eCollection","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 26
Abstract
New treatment options for advanced osteosarcoma have remained limited. The platelet-derived growth factor (PDGF)/platelet-derived growth factor receptor (PDGFR) pathway plays an important role in the development and metastasis of osteosarcoma, via either direct autocrine stimulation of tumor cells, or paracrine stimulation on tumor stromal cells. It promotes angiogenesis to overcome hypoxia in the tumor microenvironment, and modulates tumor interstitial fluid pressure to control the influx and efflux of other agents. Targeting the PDGF/PDGFR pathway is a promising therapeutic method to overcome drug resistance and improve patients' outcome in osteosarcoma. Further evidence is needed to define the detailed mechanism. Results from clinical trials using PDGF/PDGFR inhibitor as a single agent were disappointing, both in osteosarcoma and soft tissue sarcoma. However, when combined with other agents, named as "add-on" strategy, a synergistic antitumor effect has been confirmed in soft tissue sarcoma, and should be attempted in osteosarcoma.
期刊介绍：
Clinical Sarcoma Research considers for publication articles related to research on sarcomas, including both soft tissue and bone. The journal publishes original articles and review articles on the diagnosis and treatment of sarcomas along with new insights in sarcoma research, which may be of immediate or future interest for diagnosis and treatment. The journal also considers negative results, especially those from studies on new agents, as it is vital for the medical community to learn whether new agents have been proven effective or ineffective within subtypes of sarcomas. The journal also aims to offer a forum for active discussion on topics of major interest for the sarcoma community, which may be related to both research results and methodological topics.
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