A DNA repair defect in a radiation-sensitive clone of a human bladder carcinoma cell line.

DNA repair was measured in an ionising radiation-sensitive mutant of a human bladder carcinoma cell line. No difference in the rate or extent of double-strand break rejoining was found using the techniques of neutral filter elution and pulsed-field gel electrophoresis. In contrast, significant diffe...

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Detalles Bibliográficos
Autores principales: Powell, S. N., Whitaker, S. J., Edwards, S. M., McMillan, T. J.
Formato: Texto
Lenguaje:English
Publicado: Nature Publishing Group 1992
Materias:
Research Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1977752/
https://www.ncbi.nlm.nih.gov/pubmed/1616851
Descripción
Sumario:DNA repair was measured in an ionising radiation-sensitive mutant of a human bladder carcinoma cell line. No difference in the rate or extent of double-strand break rejoining was found using the techniques of neutral filter elution and pulsed-field gel electrophoresis. In contrast, significant differences in repair fidelity, measured by plasmid reconstitution, were found. The parent line had a repair fidelity of 84.7% compared with 58.9% for S40b (P = 0.0003). It is suggested that repair fidelity can be an important determinant of radiosensitivity in human tumour cells.

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