Asian Pacific Journal of Cancer Prevention

Asian Pacific Journal of Cancer Prevention (아시아태평양암예방학회)
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Shelterin Proteins and Cancer

  • Patel, Trupti NV (Department of Medical Biotechnology, Vellore Institute of Technology) ;
  • Vasan, Richa (Department of Medical Biotechnology, Vellore Institute of Technology) ;
  • Gupta, Divanshu (Department of Medical Biotechnology, Vellore Institute of Technology) ;
  • Patel, Jay (Department of Medical Biotechnology, Vellore Institute of Technology) ;
  • Trivedi, Manjari (Department of Medical Biotechnology, Vellore Institute of Technology)
  • Published : 2015.04.29
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Abstract

The telomeric end structures of the DNA are known to contain tandem repeats of TTAGGG sequence bound with specialised protein complex called the "shelterin complex". It comprises six proteins, namely TRF1, TRF2, TIN2, POT1, TPP1 and RAP1. All of these assemble together to form a complex with double strand and single strand DNA repeats at the telomere. Such an association contributes to telomere stability and its protection from undesirable DNA damage control-specific responses. However, any alteration in the structure and function of any of these proteins may lead to undesirable DNA damage responses and thus cellular senescence and death. In our review, we throw light on how mutations in the proteins belonging to the shelterin complex may lead to various malfunctions and ultimately have a role in tumorigenesis and cancer progression.

Keywords

References

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