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LY3200882

Cat. No. M9222
LY3200882 Structure
Size Price Availability Quantity
5mg USD 180 In stock
10mg USD 277 In stock
25mg USD 597 In stock
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Quality Control
Biological Activity

LY3200882 is a next generation small molecule inhibitor of TGF-β receptor type 1 (TGFβRI). It is an ATP competitive inhibitor of the serine-threonine kinase domain of TGFβRI. LY3200882 potently inhibits TGFβ mediated SMAD phosphorylation in vitro in tumor and immune cells and in vivo in subcutaneous tumors in a dose dependent fashion.

In preclinical tumor models, LY3200882 showed potent anti-tumor activity in the orthotopic 4T1-LP model of triple negative breast cancer and this activity correlated with enhanced tumor infiltrating lymphocytes in the tumor microenvironment. Durable tumor regressions in the orthotopic 4T1-LP model were observed and rechallenge of congenic tumors resulted in complete rejection in all mice.

In in vitro immune suppression assays, LY3200882 has shown the ability to rescue TGFβ1 suppressed or T regulatory cell suppressed naïve T cell activity and restore proliferation. Therefore, LY3200882 shows promising activity as an immune modulatory agent. In addition, LY3200882 has shown anti-metastatic activity in vitro in migration assays as well as in vivo in an experimental metastasis tumor model (intravenous EMT6-LM2 model of triple negative breast cancer).

Finally, LY3200882 shows combinatorial anti-tumor benefits with checkpoint inhibition (anti-PD-L1) in the syngeneic CT26 model.

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 435.52
Formula C24H29N5O3
CAS Number 1898283-02-7
Purity 99.88%
Solubility DMSO: ≥ 90 mg/mL
Storage at -20°C
References

Abstract 955: LY3200882, a novel, highly selective TGFβRI small molecule inhibitor.
Huaxing Pei, et al. AACR; Cancer Res. 2017 Jul;77(13 Suppl)pp.955.

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  Catalog
Abmole Inhibitor Catalog 2017




Keywords: LY3200882 supplier, TGF-beta/Smad, inhibitors

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