ArticleOncology letters2017
Efficacy of pEgr-1-endostatin combined with ionizing radiation on hypoxic conditions in nude mice bearing SKOV3 ovarian carcinoma.
Article in Oncology letters, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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0 citing papers in PubMed, 2 citations in OpenAlex.
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6 authors at 2 institutions in 1 country.
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Abstract
Hypoxia occurs in a wide range of solid tumors, and is strongly associated with radio-resistance of malignant tumors. The aim of the present study was to investigate the effect of endostatin combined with ionizing radiation (IR) on hypoxic conditions. A total of 24 mice bearing SKOV3 ovarian carcinoma were divided into three groups. Following injection with pEgr-1-endostatin plasmid for 12 h, the mice in the endostatin-IR-treated group were exposed to 300 cGy/min X-ray for 48 h, and the IR-treated group was exposed to the same condition. Then, the expression of endostatin, hypoxia-inducible factor (HIF)-1α and vascular endothelial growth factor (VEGF) was detected by reverse transcription-polymerase chain reaction, ELISA, immunohistochemistry and western blotting. In addition, the tumor microvessel density (MVD) was examined by immunohistochemistry analysis of cluster of differentiation 31-positive cells. The results revealed that pEgr-1-endostatin was successfully induced by IR. The level of endostatin messenger RNA in the endostatin-IR-treated group was significantly higher than that in the control and IR-treated groups (F=380.078, P<0.001). Statistical differences were also examined at the protein level by western blotting and ELISA. An obvious increase in MVD was observed in the IR-treated group compared with that in the control group (
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