at 61

AT-61 is a nonnucleoside analogue inhibitor of hepatitis B virus (HBV) replication.

BP 897 is a potent and selective agonist of dopamine D3 receptor and it is a weak dopamine D2 receptor antagonist, with Kis of 0.92 nM and 61 nM for D3 and D2 receptors. Which shows low affinities at D1 and D4 receptors (Kis, 3 and 0.3 μM, respectively).

CS4 is a selective HDAC inhibitor, with IC50 values for HDAC1, HDAC6, HDAC8, HDAC4, and HDAC11 reported as 38 nM, 12 nM, 5.8 μM, 19 μM, and 61 μM, respectively. It enhances the acetylation of α-tubulin and histone 3 (histone 3). Additionally, CS4 activates PPARγ and blocks glycolysis (glycolysis). It induces cell cycle arrest at the G2 phase and triggers apoptosis (apoptosis), exhibiting anticancer effects both in vitro and in vivo.

PKI-179 is a potent, orally active compound that functions as a dual PI3K mTOR inhibitor. It demonstrates IC50 values of 8 nM for PI3K-α, 24 nM for PI3K-β, 74 nM for PI3K-γ, 77 nM for PI3K-δ, and 0.42 nM for mTOR. Additionally, it is effective against E545K and H1047R mutations, with IC50s of 14 nM and 11 nM, respectively. In vivo studies have shown that PKI-179 possesses anti-tumor capabilities[1][2].

(E)-Ajoene is a disulfide that has been found inA. sativumand has diverse biological activities.1,2,3,4It is active against Gram-positive and Gram-negative bacteria (MICs = 10-250 and 150->500 μg/ml, respectively) and fungi (MICs = 15-50 μg/ml).1(E)-Ajoene inhibits proliferation of a variety of cancer cells, including MDA-MB-231 breast, HeLa cervical, and WHCO1 esophageal cancer cells (IC50s = 18.6, 61, and 39.2 μM, respectively).2It also inhibits human glutathione reductase andT. cruzitrypanothione reductase when used at a concentration of 200 μM.3(E)-Ajoene (25 mg/kg) is neuroprotective in a gerbil model of ischemia-reperfusion injury, reducing reactive astrocytosis and microgliosis in the hippocampal CA1 region.4 1.Yoshida, H., Iwata, N., Katsuzaki, H., et al.Antimicrobial activity of a compound isolated from an oil-macerated garlic extractBiosci. Biotechnol. Biochem.62(5)1014-1017(1998) 2.Kaschula, C.H., Hunter, R., Hassan, H.T., et al.Anti-proliferation activity of synthetic ajoene analogues on cancer cell-linesAnticancer Agents Med. Chem.11(3)260-266(2011) 3.Gallwitz, H., Bonse, S., Martinez-Cruz, A., et al.Ajoene is an inhibitor and subversive substrate of human glutathione reductase and Trypanosoma cruzi trypanothione reductase: Crystallographic, kinetic, and spectroscopic studiesJ. Med. Chem.42(3)364-372(1999) 4.Yoo, D.Y., Kim, W., Nam, S.M., et al.Neuroprotective effects of Z-ajoene, an organosulfur compound derived from oil-macerated garlic, in the gerbil hippocampal CA1 region after transient forebrain ischemiaFood Chem. Toxicol.721-7(2014)

8(E),10(E),12(Z)-Octadecatrienoic acid is a conjugated polyunsaturated fatty acid (PUFA) that has been found inC. officinalisseed oil and has anticancer activity.1,2,3It inhibits the growth of Caco-2 cells when used at concentrations ranging from 10 to 50 μM.28(E),10(E),12(Z)-Octadecatrienoic acid (10 μM) induces formation of thiobarbituric acid reactive substances (TBARS) and apoptosis in DLD-1 colorectal adenocarcinoma cells.3It also inhibits prostaglandin biosynthesis in sheep vesicular gland microsomes (IC50= 31 μM).4 1.Crombie, L., and Holloway, S.J.The biosynthesis of calendic acid, octadeca-(8E,10E, 12Z)-trienoic, acid, by developing marigold seeds: origins of (E,E,Z) and (Z,E,Z) conjugated triene acids in higher plantsJ. Chem. Soc. Perk. T. 12425-2434(1985) 2.Yasui, Y., Hosokawa, M., Kohno, H., et al.Growth inhibition and apoptosis induction by all-trans-conjugated linolenic acids on human colon cancer cellsAnticancer Res.26(3A)1855-1860(2006) 3.Shinohara, N., Ito, J., Tsuduki, T., et al.Jacaric acid, a linolenic acid isomer with a conjugated triene system, reduces stearoyl-CoA desaturase expression in liver of miceJ. Oleo Sci.61(8)433-441(2012) 4.Nugteren, D.H., and Christ-Hazelhof, E.Naturally occurring conjugated octadecatrienoic acids are strong inhibitors of prostaglandin biosynthesisProstaglandins33(3)403-417(1987)

PKUMDL-LC-101-D04 is a potent allosteric activator of glutathione peroxidase 4 (GPX4), a regulator of ferroptosis. GPX4 activity was increased to 150% of control levels when used at a concentration of 20 μM in a cell-free assay, and at a concentration of 61 μM in wild-type, but not Gpx4-/-, mouse embryonic fibroblast (MEF) extracts.PKUMDL-LC-101-D04 (200 μM) reduced cholesterol peroxide-induced MEF death.

PD-85639 is a voltage-gated sodium (Na+) channel blocker (75% in 10 min & >95% in 25 min blockage of Na+ current by 25 μM PD85,639; whole-cell patch clamp using primary rat brain neurons) that is shown to target rat brain Nav1.2 with simultaneous high- and low-affinity modes of binding (EC50 = 56 nM 40% & 20 μM 60% at pH 9.0, 5 nM 28% & 3 μM 72% at pH 7.4, against 2 nM [3H]-PD85,639 for binding rat brain synaptosomes; EC50 = 17 nM 39% & 10 μM 61% using at pH 9.0 using rat brain synaptosome membranes) and a fast kinetic (t1 2 = 1.2 at 4°C, <0.5 min at 25°C), competitive against the local anesthetic Na+ channel blockers tetracaine, bupivacaine, and mepivacaine, as well as Na+ channel activators veratridine and batrachotoxin (K1 = 0.26 μM against 5 nM [3H]-BTX for binding rat neocrotical membranes).

Metallo-β-lactamase-IN-11 (compound 5f), a potent inhibitor of Metallo-β-lactamases (MBLs), demonstrates efficacy against bacterial metallophyllactamase CphA with an IC50 value of 45 µM. At 10 µM, it inhibits NDM-1 by 49% and AIM-1 by 61%, indicating its potential for research on countering antibiotic resistance [1].

ML-252 is a potent, selective inhibitor of the Kv7.2 voltage-gated potassium channel, demonstrating an IC50 value of 69 nM in patch clamp assays. It exists as the (S)-enantiomer, which is significantly more effective than both its (R)-enantiomer counterpart and the racemic mixture, with respective IC50 values of 944 nM and 160 nM. ML-252 exhibits high selectivity for Kv7.2 over other potassium channel subtypes and shows minimal activity against more than 68 G protein-coupled receptors, various transporters, L- and N-type calcium channels, K_ATP, and hERG potassium channels. However, it does inhibit the melatonin MT1 receptor by 61% at a 10 µM concentration.

Tubulin polymerization-IN-61 (Compound 9a), a tubulin polymerization inhibitor, disrupts the microtubule skeleton, arrests the cell cycle at the G2 M phase, induces Apoptosis, and impedes cancer cell migration and colony formation. This compound demonstrates antitumor efficacy in vivo within the 4T1 xenograft model [1].

BP 897 (2-Naphthalenecarboxamide, N-[4-[4-(2-methoxyphenyl)-1-piperazinyl]butyl]-) is a potent and selective dopamine D3 receptor agonist, and a weak dopamine D2 receptor antagonist, with Kis of 0.92 nM and 61 nM for D3 and D2 receptors, and shows low affinities at D1 and D4 receptors (Kis, 3 and 0.3 μM, respectively).

Osteogenic Growth Peptide, OGP acetate is a short, naturally occurring 14-mer growth factor peptide found in serum at μM concentrations. Osteogenic growth peptide OGP is a key factor in the mechanism of the systemic osteogenic response to local bone marro