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Leucinostatin A

Cat. No. M30588
Leucinostatin A Structure
Synonym:

Antibiotic P168

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Biological Activity

Leucinostatin A (Antibiotic P168) is a nonapeptide exerting a remarkable activity especially against Candida albicans and Cryptococcus neoformans. Leucinostatin A is a hydrophobic nonapeptide antibiotic. Leucinostatin A inhibits prostate cancer growth through reduction of insulin-like growth factor-I expression in prostate stromal cells. Antiprotozoal activies.

Chemical Information
Molecular Weight 1218.61
Formula C62H111N11O13
CAS Number 76600-38-9
Storage Please store the product under the recommended conditions in the Certificate of Analysis.
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] Cedric Kiss, et al. Acta Crystallogr D Struct Biol. Structure of a hydrophobic leucinostatin derivative determined by host lattice display

[2] Takumi Watanabe, et al. Chem Rec. Catalytic Asymmetric Total Synthesis of Leucinostatin A

[3] Qingkang Lyu, et al. Cell Stress Chaperones. Leucinostatin acts as a co-inducer for heat shock protein 70 in cultured canine retinal pigment epithelial cells

[4] Manabu Kawada, et al. Int J Cancer. Leucinostatin A inhibits prostate cancer growth through reduction of insulin-like growth factor-I expression in prostate stromal cells

[5] P Csermely, et al. Biochim Biophys Acta. The nonapeptide leucinostatin A acts as a weak ionophore and as an immunosuppressant on T lymphocytes

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