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A study of toxicity of 5-fluorouracil on bovine trabecular meshwork cells in vitro

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Summary

In order to explore whether the conventional use of 5-fluorouracil (5-Fu) had any toxic effects on trabecular meshwork cells, bovine trabecular meshwork cells were cultured in vitro and exposed to 5-Fu at different concentrations. The cellular morphology, ultrastructure, mortality and phagocytosis were studied under light microscopy, transmission electron microscopy and methods of Wright’s stain. It was found that the toxic effects of 5-Fu on the cells were in a dose-dependent mode. 1 X 10-1 mg/ml of 5-Fu caused a large part of cells rounded up, while 1 X 10-3 mg/ml of the drug only a rough appearance of the cell surface. Exposure to 1 X 10-2 mg/ml of 5-Fu made mitochrone swollen and rough endoplasmic reticulum enlarged, with the cell mortality being 50. 5%. The latex microspheres engulfed in cytoplasm in cells receiving 1 X 10-1 and 1 X 10-2 mg/ml of 5-Fu were significantly decreased as compared with those in the control group (P<0. 01). It was concluded that the safe concentration of 5-Fu on bovine trabecular meshwork cells was 1 X 10-3 mg/ml and the conventional dosage of 5-Fu in clinical practice would not cause injury to trabecular meshwork cells.

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Authors and Affiliations

  1. Department of Ophthalmology, Xiehe Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430030, Wuhan

    Jiang Fagang (Associate Professor), Wei Houren & Lu Yuanshu

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  1. Jiang Fagang
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  2. Wei Houren
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  3. Lu Yuanshu
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Fagang, J., Houren, W. & Yuanshu, L. A study of toxicity of 5-fluorouracil on bovine trabecular meshwork cells in vitro. Current Medical Science 21, 82–85 (2001). https://doi.org/10.1007/BF02888046

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