Phytochemical Name : Isotrilobine

Properties Information
PhytoCAT-ID PhytoCAT-606
Phytochemical name or plant extracts Isotrilobine
PMID 9392886
Literature evidence An alkaloidal extract of the vines of Stephania japonica showed multidrug-resistance-reversing activity as demonstrated by the bicinchoninic acid assay.
IUPAC name (8S,21S)-13,27-dimethoxy-7,22-dimethyl-15,29,31-trioxa-7,22-diazaoctacyclo[19.9.3.216,19.14,30.110,14.03,8.025,33.028,32]heptatriaconta-1(30),2,4(34),10(37),11,13,16,18,25,27,32,35-dodecaene
Phytochemicals’ class or type of plant extracts Alkaloid
Source of phytochemicals or plant Extracts Stephania japonica
Geographical availability Andaman Is., Assam, Bangladesh, Borneo, Cambodia, China South-Central, China Southeast, East Himalaya, Hainan, India, Japan, Jawa, Korea, Laos, Lesser Sunda Is., Malaya, Maluku, Marquesas, Myanmar, Nansei-shoto, Nepal, New Caledonia, New Guinea, New South Wales, Nicobar Is., Norfolk Is., Northern Territory, Philippines, Queensland, Samoa, Society Is., Solomon Is., Sri Lanka, Sulawesi, Sumatera, Thailand, Tonga, Vanuatu, Vietnam
Plant parts Vines
Other cancers Breast cancer
Target gene or protein NA
Gene or Protein evidence NA
Target pathways NA
IC50 NA
Potency The compounds were not significantly toxic to resistant cells (MCF-7/ADR) in the absence of doxorubicin (ED50: 2 µg/mL for isotrilobine and 1 µg/mL for trilobine)
Cell line/ mice model MCF-7/ADR
Additional information  Isotrilobine (1) was shown to be as active as verapamil (3) in reversing doxorubicin resistance in human breast cancer cells.
PubChem ID 12310578
Additional PMIDs NA
Additional sources of information https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:581449-1
Safety NA