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IIAEK

Cat. No. M43811
IIAEK Structure
Synonym:

lactostatin

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Biological Activity

IIAEK is a novel cholesterol-lowering pentapeptide derived from bovine milk β-lactoglobulin that targets intestinal alkaline phosphatase (IAP) and improves cholesterol metabolism through the specific activation of IAP and down-regulation of ABCA1. Sequence: Ile-Ile-Ala-Glu-Lys

Chemical Information
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] Asahi Takeuchi et al. Biosci Biotechnol Biochem. Pentapeptide IIAEK ameliorates cholesterol metabolism via the suppression of intestinal cholesterol absorption in mice

[2] Asahi Takeuchi et al. Nutrients. IIAEK Targets Intestinal Alkaline Phosphatase (IAP) to Improve Cholesterol Metabolism with a Specific Activation of IAP and Downregulation of ABCA1

[3] Satoshi Nagaoka. J Food Biochem. Structure-function properties of hypolipidemic peptides

[4] Krisna Prak et al. J Agric Food Chem. Production of a bioactive peptide (IIAEK) in Escherichia coli using soybean proglycinin A1ab1b as a carrier

[5] Krisna Prak et al. Peptides. Design of genetically modified soybean proglycinin A1aB1b with multiple copies of bioactive peptide sequences

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Keywords: IIAEK, lactostatin supplier, Phospholipase, inhibitors, activators


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