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Neomorphic IDH Heterodimer Mutants: An Underestimated Point in Cancer Pathogenesis.

Olga V Dorovatovskaia1, Mikhail Yu Oliferenko1,2, Anatoly A Sorokin1

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Mutations in isocitrate dehydrogenase (IDH) enzymes impact cancer cell metabolism and survival. Quantifying mutant and wild-type IDH proteoforms is crucial for developing personalized cancer therapies.

Keywords:
Cancerheterodimer mutant.isocitrate dehydrogenasemetabolic reprogrammingmetabolismmutation

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Area of Science:

  • Biochemistry
  • Oncology
  • Molecular Biology

Background:

  • Mutations in isocitrate dehydrogenase (IDH) are prevalent across various cancers.
  • IDH mutations alter enzyme activity, affecting cellular metabolism and proliferation.

Purpose of the Study:

  • To review the influence of IDH mutations and proteoform expression on different cancer types.
  • To highlight knowledge gaps regarding proteoform distribution in cancer cells.
  • To emphasize the need for quantitative assessment of IDH proteoforms for personalized therapy.

Main Methods:

  • Literature review on IDH mutations in cancer.
  • Analysis of IDH proteoform expression and its metabolic consequences.
  • Summary of IDH mutation detection methods.

Main Results:

  • The balance of wild-type and mutant IDH proteoforms significantly impacts enzyme neomorphic activity and cell fate.
  • IDH mutations drive metabolic reprogramming in cancer cells.
  • Current understanding of proteoform mutual distribution in cancer cells is limited.

Conclusions:

  • Quantitative assessment of wild-type and mutant IDH proteoform expression is essential.
  • This assessment can facilitate the development of personalized tumor treatment strategies.
  • Further research is needed to elucidate proteoform dynamics in various cancers.