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Didemnin B

Cat. No. M21592
Didemnin B  Structure
Size Price Availability Quantity
5mg USD 1035  USD1035 In stock
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Quality Control & Documentation
Biological Activity

Didemnin B is a cyclic separation peptide isolated from trididemum solidum extract. It has antiviral and antitumor effects.

Chemical Information
Molecular Weight 1112.36
Formula C57H89N7O15
CAS Number 77327-05-0
Form Solid
Solubility (25°C) DMSO ≥ 60 mg/mL
Storage Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Conversion of different model animals based on BSA (PMID: 27057123)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.

References

[1] Manuel F Juette, et al. Elife. Didemnin B and ternatin-4 differentially inhibit conformational changes in eEF1A required for aminoacyl-tRNA accommodation into mammalian ribosomes

[2] Rachel B Wilson, et al. Pharmacol Res. The marine compound and elongation factor 1A1 inhibitor, didemnin B, provides benefit in western diet-induced non-alcoholic fatty liver disease

[3] Alexandra M Hetherington, et al. Physiol Rep. Treatment with didemnin B, an elongation factor 1A inhibitor, improves hepatic lipotoxicity in obese mice

[4] D M Shin, et al. Invest New Drugs. Phase II clinical trial of didemnin B in previously treated small cell lung cancer

[5] H G Chun, et al. Invest New Drugs. Didemnin B. The first marine compound entering clinical trials as an antineoplastic agent

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