ArticleZhongguo fei ai za zhi = Chinese journal of lung cancer2011
[Effects of magnetic fluid hyperthermia induced by an alternative magnetic field on human carcinoma A549 cell in vitro].
Article in Zhongguo fei ai za zhi = Chinese journal of lung cancer, 2011. 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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6 authors at 1 institution in 1 country.
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Abstract
BACKGROUND AND
objectiveMagnetic fluid hyperthermia (MFH) is a method of heat therapy using nanometer techniques and hyperthermia. It has the advantage of high specificity of targeting. The aim of this study is to detect the effects of MFH induced by an alternating magnetic field on human being carcinoma A549 cells in vitro.
methodsA human adenocarcinoma cell line A549 was cultured with various concentrations of ferroferric oxide (Fe₃O₄) magnetic fluid (1.5-6.0) mg/mL and exposed to an alternative magnetic field (AMF) for 30 min. And then the optical density (OD) of viable cell, cytotocixity index, growth curve of cells, morphologic changes of cell, cell cycle and aposptosis were measured.
resultsThe proliferation of the A549 cells were remarkably inhibited, the OD value of viable cells decreased and cytotoxity index (CI) increased; Apoptosis of the A549 cells were observed to have cell shrinkage, chromatin condensation, margination, unclear fragmentation and intact cell membrane by light and electron microscopy; The cells were inhibited in the stage S.
conclusionsMFH induced by AMF could inhibit the proliferation, which promotes apoptosis and arrest at S stage of the A549 cells.
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