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Datasheet of LY3200882
Description: LY3200882 is a next generation small molecule inhibitor of TGF-β receptor type 1 (TGFβRI). The molecule is a potent, highly selective inhibitor of TGFβRI embodied in a structural platform with a synthetically scalable route. It is an ATP competitive inhibitor of the serine-threonine kinase domain of TGFβRI. Mechanism of action studies reveal revealed that LY3200882 inhibits various pro-tumorigenic activities. 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 na?ve 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. In conclusion, we have developed a novel potent and highly selective small molecule inhibitor of TGFβRI for the treatment of cancer. Abstract 955: LY3200882, a novel, highly selective TGFβRI small molecule inhibitor.
Chemical Information Catalog
DC10675
Purity of current batch:
>98%
Molecular Weight (MW)
435.52
Molecular Formula
C24H29N5O3
CAS No.
1898283-02-7
Solubility (25°C)
DMSO
Storage
Store at -20°C (desiccating conditions).
Handling: Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months. Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in
advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.