Mutation Screening of the TP53 Gene by Temporal Temperature Gradient Gel Electrophoresis

  • Therese Sørlie
  • Hilde Johnsen
  • Phuong Vu
  • Guro Elisabeth Lind
  • Ragnhild Lothe
  • Anne-Lise Børresen-Dale
Part of the Methods in Molecular Biology™ book series (MIMB, volume 291)


A protocol for detection of mutations in the TP53 gene using temporal temperature gradient gel 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 (DGGE) and constant denaturant gel electrophoresis (CDGE) and eliminates some of the problems. The result is a rapid and sensitive screening technique that is robust and easily set up in smaller laboratory environments.

Key Words

TP53 TTGE DGGE CDGE mutation screening 


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Copyright information

© Humana Press Inc. 2005

Authors and Affiliations

  • Therese Sørlie
    • 1
  • Hilde Johnsen
    • 1
  • Phuong Vu
    • 1
  • Guro Elisabeth Lind
    • 1
  • Ragnhild Lothe
    • 1
  • Anne-Lise Børresen-Dale
    • 1
  1. 1.Department of GeneticsThe Norwegian Radium HospitalOsloNorway

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