W-7 hydrochloride_product_DataBase

Bioactivity	W-7 hydrochloride is a selective calmodulin antagonist. W-7 hydrochloride inhibits the Ca2+-calmodulin-dependent phosphodiesterase and myosin light chain kinase with IC50 values of 28 μM and 51 µM, respectively[1][2]. W-7 hydrochloride induces apoptosis and has antitumor activity[3].
Invitro	W-7 is distributed mainly in the cytoplasm, and inhibits proliferation of Chinese hamster ovary K1 (CHO-K1) cells. W-7 selectively blocks the phase of the cell cycle (G1/S boundary phase) in a manner. 25 μM W-7 arrests the growth of the cells at the G1/S boundary phase of the cell cycle[1].W-7 (100 μM) exhibits a similar extent of antagonism between the contractile responses to carbachol and KCl. The increase in myosin light chain (P-LC) phosphate content in response to 1-min stimulation with 10 μM carbachol is inhibited by W-7. W-7 antagonizes the smooth muscle contraction through the inhibition of the initial increase in the P-LC phosphorylation[2].Treatment with W-7 results in the dose-dependent inhibition of cell proliferation in various human multiple myeloma cell lines. W-7 induces G1 phase cell cycle arrest by downregulating cyclins and upregulating p21cip1. W-7 induces apoptosis via caspase activation; this occurred partly through the elevation of intracellular calcium levels and mitochondrial membrane potential depolarization and through inhibition of the STAT3 phosphorylation and subsequent downregulation of Mcl-1 protein[3]. W-7 competitively inhibits Ca2+/calmodulin-dependent phosphodiesterase with a Ki value of 300 μM[4].
Name	W-7 hydrochloride
CAS	61714-27-0
Formula	C16H22Cl2N2O2S
Molar Mass	377.33
Transport	Room temperature in continental US; may vary elsewhere.
Storage	4°C, sealed storage, away from moisture *In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

PeptideDB

W-7 hydrochloride

CAS: 61714-27-0 F: C16H22Cl2N2O2S W: 377.33