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Trabectedin Marine Alkaloid

Tetrahydroisoquinoline alkaloid from marine tunicate Ecteinascidia turbinata for soft tissue sarcoma and ovarian cancer.

By Encyclopeptide Editorial | 1 min read
trabectedin marine alkaloid sarcoma ovarian-cancer

Chemical Identity

PropertyValue
Chemical FormulaC39H43N3O11
Molecular Weight761.85 g/mol
CAS Number114899-77-3
Product NameYondelis
SourceEcteinascidia turbinata (marine tunicate)

Structure

Trabectedin is a tetrahydroisoquinoline alkaloid that binds to the minor groove of DNA, forming adducts that interfere with DNA repair mechanisms and transcription.

Mechanism of Action

  1. Binds DNA minor groove (N2 of guanine)
  2. Forms DNA adducts
  3. Recruits nucleotide excision repair (NER)
  4. Disrupts transcription-coupled NER
  5. Induces apoptosis

Clinical Applications

  • Soft tissue sarcoma (advanced, liposarcoma)
  • Relapsed platinum-sensitive ovarian cancer

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