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Methods Mol Biol. 2014;1105:315-24. doi: 10.1007/978-1-62703-739-6_25.

Mutation screening of the TP53 gene by temporal temperature gel electrophoresis (TTGE).

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Department of Genetics, Oslo University Hospital The Norwegian Radium Hospital, Institute for Cancer Research, 4953, Nydalen, 0424, Oslo, Norway,


A protocol for detection of mutations in the TP53 gene using temporal temperature gradient electrophoresis (TTGE) is described. TTGE is a mutation detection technique that separates DNA fragments differing by single base pairs according to their melting properties in a denaturing gel. It is based on constant denaturing conditions in the gel combined with a temperature gradient during the electrophoretic run. This method combines some of the advantages of the related techniques, denaturing gradient gel electrophoresis and constant denaturant gel electrophoresis, and eliminates some of the problems. The result is a rapid and sensitive screening technique which is robust and easily set up in smaller laboratory environments.

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