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Cat. No. M9083
Disitertide Structure


Size Price Availability
5mg USD 550 Custom Synthesis
10mg USD 940 Custom Synthesis
25mg USD 2000 Custom Synthesis
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Quality Control
  • Current batch:
  • Purity >98%
  • COA
  • MSDS
Biological Activity

Disitertide (P144) prevents TGF-β1-dependent inhibition of MV1Lu proliferation in vitro and markedly reduces binding of TGF-β1 to its receptors. Disitertide blocks TGF-β1-dependent stimulation of a reporter gene under the control of human α2(I) collagen promoter.

In vivo, treatment with Disitertide at low doses causes a significant inhibition of HSC activation and a marked reduction in liver fibrosis in a rat model of chronic exposure to CCl4. A dose as low as 70 μg of the 15-mer peptide Disitertide, given to rats (300 g body weight) on alternate days, decreases fibrogenesis significantly during chronic exposure to CCl4.

Conversion of different model animals based on BSA (Value based on data from FDA Draft Guidelines)
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 resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 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 resveratrol of 11.2 mg/kg.

Chemical Information
Molecular Weight 1580.82
Formula C68H109N17O22S2
CAS Number 272105-42-7
Purity >98%
Solubility DMSO: ≥ 100 mg/mL
Storage at -20°C

A synthetic peptide from transforming growth factor beta type III receptor inhibits liver fibrogenesis in rats with carbon tetrachloride liver injury.
Ezquerro IJ, et al. Cytokine. 2003 Apr;22(1-2):12-20. PMID: 12946101.

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Abmole Inhibitor Catalog 2017

Keywords: Disitertide, P144 supplier, TGF-beta/Smad, inhibitors

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