Peng, Jun Radiation-resistance increased by overexpression of microRNA-21 and inhibition of its target PTEN in esophageal squamous cell carcinoma. [electronic resource] - The Journal of international medical research Apr 2020 - 300060519882543 p. digital Publication Type: Journal Article ISSN: 1473-2300 Standard No.: 10.1177/0300060519882543 doi Subjects--Topical Terms: Apoptosis--geneticsCell Line, TumorCell Proliferation--geneticsEsophageal Neoplasms--pathologyEsophageal Squamous Cell Carcinoma--geneticsGene Expression Regulation, Neoplastic--geneticsHumansMicroRNAs--geneticsPTEN Phosphohydrolase--geneticsRadiationRadiation Tolerance--geneticsRadiotherapy--methods