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Chitoheptaose

Cat. No. M31253
Chitoheptaose Structure
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Biological Activity

Chitoheptaose is a chitosan oligosaccharide. Chitoheptaose has cardioprotective effects and improves cardiac parameters (left ventricular internal size, end-systolic and end-diastolic, ejection fraction and shortening fraction), inflammatory cytokines (IL-1β) in vanishing models.

Chemical Information
Molecular Weight 1146.11
Formula C42H79N7O29
CAS Number 68232-35-9
Form Solid
Storage -20°C, sealed
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] Qini Zhao, et al. Oxid Med Cell Longev. Chitoheptaose Promotes Heart Rehabilitation in a Rat Myocarditis Model by Improving Antioxidant, Anti-Inflammatory, and Antiapoptotic Properties

[2] De-Xing Xue, et al. J Exp Bot. LYK4 is a component of a tripartite chitin receptor complex in Arabidopsis thaliana

[3] Ping Zou, et al. Carbohydr Polym. Size effects of chitooligomers with certain degrees of polymerization on the chilling tolerance of wheat seedlings

[4] Tian Liu, et al. J Biol Chem. Structure, Catalysis, and Inhibition of Of Chi-h, the Lepidoptera-exclusive Insect Chitinase

[5] Xiaoqian Zhang, et al. Carbohydr Polym. Size effects of chitooligomers on the growth and photosynthetic characteristics of wheat seedlings

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