LY2334737 is an orally available valproic acid ester of gemcitabine, a broad-spectrum antimetabolite with antineoplastic activity. Gemcitabine is converted into the active metabolites difluorodeoxycytidine diphosphate and triphosphate (dFdCDP and dFdCTP) by deoxycytidine kinase. dFdCDP inhibits ribonucleotide reductase, thereby decreasing the deoxynucleotide pool available for DNA replication; dFdCTP is incorporated into DNA, resulting in premature termination of DNA replication and eventually the induction of apoptosis.
In vivo: Oral treatment of xenograft models with 3.2 mg/kg LY2334737 once a day for 21 days showed greater tumor growth inhibition of CES2 transfectant than the mock transfectant (P ≤ 0.001).
|Body Surface Area (m2)||0.007||0.025||0.15||0.05||0.02||0.5|
|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.
|Solubility||DMSO 10 mM|
Human carboxylesterase-2 hydrolyzes the prodrug of gemcitabine (LY2334737) and confers prodrug sensitivity to cancer cells.
Pratt SE, et al. Clin Cancer Res. 2013 Mar 1;19(5):1159-68. PMID: 23325581.
Low-dose metronomic oral dosing of a prodrug of gemcitabine (LY2334737) causes antitumor effects in the absence of inhibition of systemic vasculogenesis.
Francia G, et al. Mol Cancer Ther. 2012 Mar;11(3):680-9. PMID: 22188817.
Phase I study of Oral gemcitabine prodrug (LY2334737) alone and in combination with erlotinib in patients with advanced solid tumors.
Koolen SL, et al. Clin Cancer Res. 2011 Sep 15;17(18):6071-82. PMID: 21753156.
ML-281 is a potent ans selective STK33 inhibitor with IC50 value of 14 nM.
ML-265 (TEPP-46) is a potent and selective activator of recombinant pyruvate kinase M2 (PKM2).
LB-100 is a water soluble protein phosphatase 2A (PP2A) inhibitor, with IC50 of 0.85 μM and 3.87 μM in BxPc-3 and Panc-1 cells.
Compstatinis is a 13-residue cyclic peptide, binds to complement component C3 and inhibits complement activation with IC50 of 12 μM.
Azaserine is an inhibitor of the rate limiting step of the hexosamine biosynthethic pathway (HBP) and an irreversible inhibitor of GGT1 (gamma-Glutamyltranspeptidase).
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