mg 1

MG 1是一种有效的 α1肾上腺素能受体拮抗剂。

(R)-MG-132 (Z-Leu-D-leu-leu-al) 是一种 MG-132 的对映异构体，是一种蛋白酶体 (proteasome) 抑制剂，细胞毒性比 MG-132 弱。

Docosahexaenoyl glycerol 是内源性大麻素的类似物，能刺激葡萄糖摄取，并具有抗炎活性。

1-Arachidoyl-rac-glycerol, a monoacylglycerol, features arachidic acid at the sn-1 position and has been detected in pork muscle.

1-Tridecanoyl-rac-glycerol, a monoacylglycerol featuring tridecanoic acid at the sn-1 position, serves as an internal standard for quantifying mono- and diacylglycerols in buttermilk.

(S)-Vamicamide 是一种新型抗抗胆碱能化合物。Vamicamide 在 32 mg kg 或更高 （p.o.） 时增加小鼠的自发运动活动，并在 100 mg kg 时抑制小鼠强直性惊厥。

1-Methylguanidine hydrochloride 是内源性代谢产物的一种。

N-Boc-4-pentyne-1-amine 是一种基于烷基链的PROTAC连结剂，用于PROTAC MG-277[1]的合成。

Tigecycline (GAR-936) 是甘氨酰环素抗生素，对 Acinetobacter baumannii(A. baumannii) 的 MIC50和 MIC90分别为 1 和 2 mg L。它对 E. coli(MG1655 菌株) 的平均抑制浓度 (MIC) 约 125 ng mL。

sn-Glycero-3-phosphocholine (Choline glycerophosphate) 是脑磷脂生物合成的前体，能够提高胆碱在神经组织中的生物利用度。它对认知功能有显著影响，同时具有良好的耐受性和安全性，因此能够用于阿尔茨海默病和痴呆症的研究。

Isoeugenol (4-Propenylguaiacol) 是肉豆蔻，丁香和肉桂的精油成分，具有抗菌活性。它抑制Escherichia coli 和Listeria innocua，MIC 值分别为 0.6 mg mL 和 1 mg mL。

Litoxetine 是一种选择性的5-HT 摄取抑制剂，是具有5-HT3受体拮抗剂。Litoxetine 可作为一种抗抑郁剂，在雪貂身上显示出止吐特性。Litoxetine （1和10毫克 公斤静脉注射）剂量依赖性地减少了反胃和呕吐的次数，延迟了呕吐的发生。Litoxetine 对大脑5HT3受体有亲和力（Ki = 85 nM）。

Unifiram 是一种认知增强剂。 Unifiram 诱导大鼠海马 CA1 区场兴奋性突触后电位 (fEPSP) 幅度的持久增加 (EC50= 27 nM) 并增加大鼠大脑皮层中乙酰胆碱 (ACh) 的释放。

SB 242084 hydrochloride is a 5-HT2C receptor antagonist(pKi=9.0) that displays 158- and 100-fold selectivity over 5-HT2A and 5-HT2B receptors respectively.IC50 value: 9.0(pKi) [1]Target: 5-HT2C antagonistin vitro: SB 242084 had over 100-fold selectivity over a range of other 5-HT, dopamine and adrenergic receptors. In studies of 5-HT-stimulated phosphatidylinositol hydrolysis using SH-SY5Y cells stably expressing the cloned human 5-HT2C receptor, SB 242084 acted as an antagonist with a pKb of 9.3, which closely resembled its corresponding receptor binding affinity [1].in vivo: SB 242084 potently inhibited m-chlorophenylpiperazine (mCPP, 7 mgkg i.p. 20 min pre-test)-induced hypolocomotion in rats, a model of in vivo central 5-HT2C receptor function, with an ID50 of 0.11 mg kg i.p., and 2.0 mg kg p.o. SB 242084 (0.1-1 mg kg i.p.) exhibited an anxiolytic-like profile in the rat social interaction test, increasing time spent in social interaction, but having no effect on locomotion. SB 242084 (0.1-1 mg kg i.p.) also markedly increased punished responding in a rat Geller-Seifter conflict test of anxiety, but had no consistent effect on unpunished responding [1].

Ensartinib (X-396) is a potent and dual ALK MET inhibitor with IC50s of <0.4 nM and 0.74 nM, respectively. The ability of Ensartinib (X-396) to inhibit the growth of different cancer cell lines harboring ALK fusions or point mutations is tested. Ensartinib is potent in H3122 lung cancer cells harboring EML4-ALK E13;A20 (IC50: 15nM). Ensartinib is also potent in H2228 lung cancer cells harboring EML4-ALK E6a b; A20 (IC50: 45 nM). Furthermore, X-376 is potent in SUDHL-1 lymphoma cells harboring NPM-ALK (IC50: 9 nM). X-376 also inhibits SY5Y neuroblastoma cells harboring ALK F1174L, MKN-45 gastric carcinoma cells harboring MET dependent, HepG2 cells and PC-9 lung cancer cell lines harboring EGFR exon 19 del with IC50s of 68 nM, 156 nM, 9.644 μM and 2.989 μM, respectively[1]. The effects of Ensartinib (X-396) in vivo against H3122 xenografts are examined. A pharmacokinetic study reveals that Ensartinib shows substantial bioavailability and moderate half-lives in vivo. Nude mice harboring H3122 xenografts are treated with Ensartinib at 25mg kg bid. Ensartinib significantly delays the growth of tumors compared to vehicle alone. In the xenograft experiments, Ensartinib appears well-tolerated in vivo. Mouse weight is unaffected by Ensartinib treatment. Drug-treated mice appear healthy and do not display any signs of compound related toxicity. To further assess potential side effects of Ensartinib, additional systemic toxicity and toxico-kinetic studies are performed in Sprague Dawley (SD) rats. Following 10 days of repeated oral administration of Ensartinib at 20, 40, 80 mg kg in SD rats, all animals survive to study termination. The no significant toxicity (NST) levels are determined to be 80mg kg for Ensartinib. At NST levels, Ensartinib achieves an AUC of 66 μM×hr and a Cmax of 7.19 μM[1]. [1]. Lovly CM, et al. Insights into ALK-driven cancers revealed through development of novel ALK tyrosine kinaseinhibitors. Cancer Res. 2011 Jul 15;71(14):4920-31.

Rupatadine (UR-12592) is a potent dual PAF H1 antagonist with Ki of 0.55 0.1 uM(rabbit platelet membranes guinea pig cerebellum membranes).IC50 value:Target: PAF H1 antagonistin vitro: Rupatadine competitively inhibited histamine-induced guinea pig ileum contraction (pA2 = 9.29 + - 0.06) without affecting contraction induced by ACh, serotonin or leukotriene D4 (LTD4). It also competitively inhibited PAF-induced platelet aggregation in washed rabbit platelets (WRP) (pA2 = 6.68 + - 0.08) and in human platelet-rich plasma (HPRP) (IC50 = 0.68 microM), while not affecting ADP- or arachidonic acid-induced platelet aggregation [1]. The IC50 for rupatadine in A23187, concanavalin A and anti-IgE induced histamine release was 0.7+ -0.4 microM, 3.2+ -0.7 microM and 1.5+ -0.4 microM, respectively whereas for loratadine the IC50 was 2.1+ -0.9 microM, 4.0+ -1.3 M and 1.7+ -0.5 microM. SR-27417A exhibited no inhibitory effect [2].in vivo: Rupatadine blocked histamine- and PAF-induced effects in vivo, such as hypotension in rats (ID50 = 1.4 and 0.44 mg kg i.v., respectively) and bronchoconstriction in guinea pigs (ID50 = 113 and 9.6 micrograms kg i.v.). Moreover, it potently inhibited PAF-induced mortality in mice (ID50 = 0.31 and 3.0 mg kg i.v. and p.o., respectively) and endotoxin-induced mortality in mice and rats (ID50 = 1.6 and 0.66 mg kg i.v.) [1]. rupatadine treatment improved the declined lung function and significantly decreased animal death. Moreover, rupatadine was able not only to attenuate silica-induced silicosis but also to produce a superior therapeutic efficacy compared to pirfenidone, histamine H1 antagonist loratadine, or PAF antagonist CV-3988 [3]. [1]. Merlos M, et al. Rupatadine, a new potent, orally active dual antagonist of histamine and platelet-activating factor (PAF). J Pharmacol Exp Ther. 1997 Jan;280(1):114-21. [2]. Queralt M, et al. In vitro inhibitory effect of rupatadine on histamine and TNF-alpha release from dispersed canine skin mast cells and the human mast cell line HMC-1. Inflamm Res. 2000 Jul;49(7):355-60. [3]. Lv XX, et al. Rupatadine protects against pulmonary fibrosis by attenuating PAF-mediated senescence in rodents. PLoS One. 2013 Jul 15;8(7):e68631.

Sitravatinib (MGCD516) 是一种有口服活性的受体酪氨酸激酶抑制剂。它单独使用即具有有效的抗肿瘤功效，且通过促进抗肿瘤免疫微环境增强了 PD-1 阻断的活性。

MG-115 (Z-LL-Nva-CHO) 是一种有效且可逆的蛋白酶体抑制剂，对20S 和26S 蛋白酶体的 Ki 值分别为 21 nM 和 35 nM。MG-115 特异性抑制蛋白酶体的胰凝乳蛋白酶样活性，诱导 p53 依赖性细胞凋亡。

MTP 131 acetate 是一种小的线粒体靶向四肽。

CCG-203971 是一种Rho MRTF SRF 通路抑制剂，具有潜在的抗转移作用。它有效靶向 RhoA C 激活的 SRE 荧光素酶，IC50为 6.4 μM。它抑制 PC-3 细胞迁移，IC50为 4.2 μM。

Eperezolid (PNU-100592) 是一种在体外表现出良好抑制活性的恶唑烷酮类抗生素。

ARN-21934 是高选择性的人拓扑异构酶 II α 抑制剂，具有血脑屏障通透性。依托泊苷抑制 DNA 松弛的IC50为120 μM，ARN-21934 抑制 DNA 松弛的IC50为 2 μM。ARN-21934具有良好的体内药代动力学特性。

Crotonoside (Isoguanosine) 是从中草药巴豆中分离出来的一种天然产物。 它抑制 FLT3 和 HDAC3 6，有治疗急性髓性白血病 (AML)的研究潜力。

Thiacloprid 属于氯烟碱类杀虫剂，主要用于防治蔬菜和果园中的蚜虫。它会破坏 DNA 的稳定性，通过疏水或氢相互作用，结合到小沟槽中，改变 DNA 的结构和稳定性。

CP-609754 是高效的、可逆的法尼基转移酶抑制剂，对重组人 H-Ras 和重组 K-Ras 法尼基化的 IC50分别为 0.57 ng mL 和 46 ng mL。CP-609754有潜在的抗癌作用。

CS 2100 (1-[[4-Ethyl-5-[5-(4-phenoxyphenyl)-1,2,4-oxadiazol-3-yl]-2-thienyl]methyl]-3-azetidinecarboxylic acid) 是口服有活性 S1P3-sparingS1P1选择性激动剂，对人 S1P1的EC50值为 4.0 nM，对 HvGR 的ID50值为 0.407 mg/kg。它在大鼠体内具有免疫抑制作用。

COR659 是一种有效的 GABAB 的阳性变构调节剂。COR659具有缓解大鼠对酒精和巧克力成瘾的作用。

BMAP 28是一种合成抗菌肽，对应牛防御素-5的132-158氨基酸。对大肠杆菌(E. coli)、金黄色葡萄球菌(S. aureus)、耐甲氧西林金黄色葡萄球菌(MRSA)、表皮葡萄球菌(S. epidermidis)及白色念珠菌(C. albicans)具有活性(MICs分别为2、2、4、1和8 µM)。在200 nM浓度下，BMAP 28能够使大肠杆菌的内膜渗透。在5 µM浓度下，减少Vero 76细胞中单纯疱疹病毒1型(HSV-1)的复制。在30 µM浓度下，对分离的人类红细胞引起溶血，并对分离的人类嗜中性粒细胞具有细胞毒性。BMAP 28 (0.8 mg/kg)可提高大肠杆菌或MRSA感染的小鼠的生存率，但对铜绿假单胞菌(P. aeruginosa)感染的小鼠无效。

Antifungalagent 100 (compound 3i) 展现出对S. sclerotiorum的显著抗真菌活性，其EC50值为0.33 mg L。同时，Antifungalagent 100 对S. sclerotiorum琥珀酸脱氢酶 (SDH) 的IC50为0.63 mg mL。

Aflatoxin G2-13C17is intended for use as an internal standard for the quantification of aflatoxin G2by GC- or LC-MS. Aflatoxin G2is a mycotoxin that has been found inAspergillus.1It is lethal to ducklings (LD50= 2.83 mg kg) but is non-toxic to rats when administered at a dose of 200 mg kg.2 1.Bennett, J.W., and Klich, M.MycotoxinsClin. Microbiol. Rev.16(3)497-516(2003) 2.Wogan, G.N., Edwards, G.S., and Newberne, P.M.Structure-activity relationships in toxicity and carcinogenicity of aflatoxins and analogsCancer Res.31(12)1936-1942(1971)

NMD670 是一种具有口服活性的骨骼肌特异性氯离子通道 ClC-1 的部分抑制剂。NMD670 能提高肌肉对运动命令的兴奋性，增强神经肌肉传递，恢复肌肉功能并改善肌肉活动能力。NMD670 具有良好的安全性，并在 MG 大鼠模型中改善了大鼠的肌肉功能。

RGH-122 (compound 43)是一种口服活性良好、选择性高、有效的V1a拮抗剂，Ki值为0.3 nM。

Chlorhexidine-d8 is intended for use as an internal standard for the quantification of chlorhexidine by GC- or LC-MS. Chlorhexidine is a bis(biguanide) antimicrobial disinfectant and antiseptic agent. It inhibits growth of clinical methicillin-resistant S. aureus (MRSA) isolates (MIC90 = 4 μg/ml). It is also active against canine isolates of MRSA, methicillin-susceptible S. aureus (MSSA), methicillin-resistant S. pseudintermedius (MRSP), and methicillin-susceptible S. pseudintermedius (MSSP; MIC90s = 4, 2, 2, and 1 mg/L, respectively). Chlorhexidine inhibits growth of E. faecium strains (MICs = 1.2-19.6 μg/ml) and C. albicans (MIC = 5.15 μg/ml). It generates cations that bind to and destabilize the bacterial cell wall to induce death.6 Chlorhexidine also completely inhibits matrix metalloproteinase-2 (MMP-2) and MMP-9 when used at concentrations of 0.0001 and 0.002%, respectively, in a gelatin degradation assay. Formulations containing chlorhexidine have been used in antisept......

Nitisinone-13C6is intended for use as an internal standard for the quantification of nitisinone by GC- or LC-MS. Nitisinone is an inhibitor of 4-hydroxyphenylpyruvate dioxygenase (HPPD), which converts 4-hydroxyphenylpyruvate (HPPA) to homogentisate in the tyrosine catabolic pathway.1Nitisinone increases urinary levels of HPPA and 4-hydroxyphenyllactate (HPLA) in rats when administered at a dose of 10 mg kg. Nitisinone (3 mg kg) prevents the neonatal lethality of fumarylacetoacetate hydrolase (FAH) deficiency in mice when administered to pregnant dams.2It exhibits hepatoprotective effects inFAH- -mice, such as prevention of increases in plasma levels of aspartate serine aminotransferase (AST) and conjugated bilirubin, when administration is continued following birth at a dose of 1 mg kg. Nitisinone (100 μg) decreases urinary excretion of homogentisate and increases urinary excretion of HPPA, HPLA, and 4-hydroxyphenylacetate in a mouse model of alkaptonuria induced by ethylnitrosourea.3Formulations containing nitisinone have been used in the treatment of hereditary tyrosinemia type 1 (HT-1). 1.Ellis, M.K., Whitfield, A.C., Gowans, L.A., et al.Inhibition of 4-hydroxyphenylpyruvate dioxygenase by 2-(2-nitro-4-trifluoromethylbenzoyl)-cyclohexane-1,3-dione and 2-(2-chloro-4-methanesulfonylbenzoyl)-cyclohexane-1,3-dioneToxicol. Appl. Pharmacol.133(1)12-19(1995) 2.Grompe, M., Lindstedt, S., al-Dhalimy, M., et al.Pharmacological correction of neonatal lethal hepatic dysfunction in a murine model of hereditary tyrosinaemia type INat. Genet.10(4)453-460(1995) 3.Suzuki, Y., Oda, K., Yoshikawa, Y., et al.A novel therapeutic trial of homogentisic aciduria in a murine model of alkaptonuriaJ. Hum. Genet.44(2)79-84(1999)

Fenspiride-d5 is intended for use as an internal standard for the quantification of fenspiride by GC- or LC-MS. Fenspiride is an antagonist of histamine H1 receptors and a non-steroidal anti-inflammatory drug (NSAID). It inhibits histamine-induced contraction of isolated guinea pig trachea but not histamine-induced inotropy of isolated guinea pig heart. It also inhibits phosphodiesterase 4 (PDE4), PDE5, and PDE3 (IC50s = 69, ~158, and 363 µM, respectively, in isolated human bronchi derived from patients with lung cancer). It is selective for these phosphodiesterases over PDE1 and PDE2, where it provides less than 25% inhibition. Fenspiride potentiates the airway relaxant effects of isoproterenol and sodium nitroprusside indicating an effect on cAMP and cGMP phosphodiesterases, respectively. Aerosolized fenspiride (1 mg/ml) reverses bronchoconstriction induced by capsaicin and, when used at aerosolized concentrations ranging from 1-10 mg/ml, reduces cough induced by citric aci......

Murepavadin (POL7080) (TFA)，一种 14 个氨基酸的环肽，是一种高效的特异性抗生素。Murepavadin 对P. aeruginosa 表现出有效的抗菌活性。MIC50和MIC90值均为 0.12 mg/L。Murepavadin 还可以靶向脂多糖转运蛋白 D。Murepavadin 可用于细菌耐药性的研究。

Sec61-IN-4（Compound 16b）作为Sec61抑制剂，其IC50值在U87-MG细胞中为0.04 nM。

Antifungalagent 61 (Compound 38)是一种有效的抗真菌剂，其对V. mali的EC50值为0.50 mg/L。该化合物通过诱导细胞畸变和收缩、减少线粒体数量、增厚细胞壁和提高细胞膜透性来实现其抑制作用。

TG2-179-1是BRCA1相关蛋白1（BAP1）的抑制剂。它在25 µM至1.5 mM的浓度范围内，通过无细胞测定法抑制BAP1的去泛素化活性。TG2-179-1对八种结肠癌细胞系表现出细胞毒性（IC50s = 4.48-7.52 µM）。在体内，TG2-179-1（10和30 mg/kg）能够减少HCT116结肠癌小鼠异种移植模型中的肿瘤体积。

GABA-IN-2 (Compound 5) 为GABA抑制剂，展现出杀幼虫效果和显著的杀虫能力，在浓度50 mg/L下的死亡率达到87%。

S1PL-IN-31是一种鞘氨醇-1-磷酸(S1P)裂解酶的抑制剂(IC50 = 210 nM)，同时也是Smoothened(Smo)受体的对抗剂(IC50 = 440 nM)。在体内，S1PL-IN-31 (每天2 mg/kg)能够防止实验性自身免疫性脑炎(EAE)模型大鼠中，由髓鞘少突胶质细胞糖蛋白(MOG)肽段MOG29-152诱发的颈部及胸部淋巴细胞渗透和神经肌肉虚弱。该化合物降低了大鼠的淋巴细胞总数及CD4+ T细胞、CD8+ T细胞和B细胞的水平。S1PL-IN-31 (每天3及10 mg/kg剂量)在雄性和雌性大鼠心脏和淋巴结中增加了S1P水平，并且在雌性大鼠中降低了心率。

Spirorenone is an androstadienone derivative as a highly effective aldosterone antagonist. Spirorenone is 8.6 times as potent as spironolactone, but showed a lower affinity for the mineralocorticoid receptors. In phase I clinical trials Spirorenone was absorbed with a half-life of 20-30 min, achieving maximum concentrations of about 100 ng/ml (10 mg) and 260 ng/ml (40 mg) after 1-2 h. Disposition of the parent drug was biphasic with half-lives of 50-60 min (distribution) and 5-6 h (elimination). Neither significant accumulation nor enzyme induction was observed after prolonged treatment.

2,3,4,5-Tetrachlorophenol is a metabolite of the insecticide γ-lindane.1It is toxic to fathead minnows and rainbow trout (LC50s = 0.496 and 0.304 mg/L, respectively, in tank water).2 1.Chadwick, R.W., and Freal, J.J.The identification of five unreported lindane metabolites recovered from rat urineBull. Environ. Contam. Toxicol.7(2)137-146(1972) 2.Holcombe, G.W., Phipps, G.L., Knuth, L., et al.The acute toxicity of selected substituted phenols, benzenes and benzoic acid esters to fathead minnows Pimephales promelasEnviron. Pollut.35(4)367-381(1984)

Nemorosone is a polycyclic polyprenylated acylphloroglucinol (PPAP) originally isolated from C. rosea that has antiproliferative properties.1 Nemorosone inhibits growth of NB69, Kelly, SK-N-AS, and LAN-1 neuroblastoma cells (IC50s = 3.1-6.3 μM), including several drug-resistant clones, but not MRC-5 human embryonic fibroblasts (IC50 = >40 μM).2 It increases DNA fragmentation in LAN-1 cells in a dose-dependent manner, and decreases N-Myc protein levels and phosphorylation of ERK1/2 by MEK1/2. Nemorosone also inhibits growth of Capan-1, AsPC-1, and MIA-PaCa-2 pancreatic cancer cells (IC50s = 4.5-5.0 μM following a 72-hour treatment) but not human dermal and foreskin fibroblasts (IC50s = >35 μM).1 It induces apoptosis, abolishes the mitochondrial membrane potential, and increases cytosolic calcium concentration in pancreatic cancer cells in a dose-dependent manner. Nemorosone activates the caspase cascade in a dose-dependent manner and inhibits cell cycle progression, increasing the proportion of cells in the G0/G1 phase, in both neuroblastoma and pancreatic cancer cells.1,2 Nemorosone (50 mg/kg, i.p., per day) also reduces tumor growth in an MIA-PaCa-2 mouse xenograft model.3References1. Holtrup, F., Bauer, A., Fellenberg, K., et al. Microarray analysis of nemorosone-induced cytotoxic effects on pancreatic cancer cells reveals activation of the unfolded protein response (UPR). Br. J. Pharmacol. 162(5), 1045-1059 (2011).2. Díaz-Carballo, D., Malak, S., Bardenheuer, W., et al. Cytotoxic activity of nemorosone in neuroblastoma cells. J. Cell. Mol. Med. 12(6B), 2598-2608 (2008).3. Wold, R.J., Hilger, R.A., Hoheisel, J.D., et al. In vivo activity and pharmacokinetics of nemorosone on pancreatic cancer xenografts. PLoS One 8(9), e74555 (2013). Nemorosone is a polycyclic polyprenylated acylphloroglucinol (PPAP) originally isolated from C. rosea that has antiproliferative properties.1 Nemorosone inhibits growth of NB69, Kelly, SK-N-AS, and LAN-1 neuroblastoma cells (IC50s = 3.1-6.3 μM), including several drug-resistant clones, but not MRC-5 human embryonic fibroblasts (IC50 = >40 μM).2 It increases DNA fragmentation in LAN-1 cells in a dose-dependent manner, and decreases N-Myc protein levels and phosphorylation of ERK1/2 by MEK1/2. Nemorosone also inhibits growth of Capan-1, AsPC-1, and MIA-PaCa-2 pancreatic cancer cells (IC50s = 4.5-5.0 μM following a 72-hour treatment) but not human dermal and foreskin fibroblasts (IC50s = >35 μM).1 It induces apoptosis, abolishes the mitochondrial membrane potential, and increases cytosolic calcium concentration in pancreatic cancer cells in a dose-dependent manner. Nemorosone activates the caspase cascade in a dose-dependent manner and inhibits cell cycle progression, increasing the proportion of cells in the G0/G1 phase, in both neuroblastoma and pancreatic cancer cells.1,2 Nemorosone (50 mg/kg, i.p., per day) also reduces tumor growth in an MIA-PaCa-2 mouse xenograft model.3 References1. Holtrup, F., Bauer, A., Fellenberg, K., et al. Microarray analysis of nemorosone-induced cytotoxic effects on pancreatic cancer cells reveals activation of the unfolded protein response (UPR). Br. J. Pharmacol. 162(5), 1045-1059 (2011).2. Díaz-Carballo, D., Malak, S., Bardenheuer, W., et al. Cytotoxic activity of nemorosone in neuroblastoma cells. J. Cell. Mol. Med. 12(6B), 2598-2608 (2008).3. Wold, R.J., Hilger, R.A., Hoheisel, J.D., et al. In vivo activity and pharmacokinetics of nemorosone on pancreatic cancer xenografts. PLoS One 8(9), e74555 (2013).

Hodgkinsine is a pyrrolidinoindoline alkaloid that has been found inP. colorataand has analgesic activity.1It increases latency to paw licking in the hot plate test and latency to tail withdrawal in the tail-flick test in mice when administered at a dose of 5 mg/kg. 1.Amador, T.A., Verotta, L., Nunes, D.S., et al.Antinociceptive profile of hodgkinsinePlanta Med.66(8)770-772(2000)

Urdamycin A is a bacterial metabolite originally isolated fromS. fradiaethat has antibacterial and anticancer activities.1,2It is active against a variety of Gram-positive and Gram-negative bacteria, includingB. subtilisand strains ofArthrobacterandStreptomyces, but not the fungusS. cerevisiae, in a disc assay when used at a concentration of 1 mg/ml.2Urdamycin A is cytotoxic to L1210 and HT-29, but not A549, cancer cells (IC50s = 7.5, 5, and >10 μg/ml, respectively).1

PtdIns-(3,4,5)-P3 (PIP3) serves as an anchor for the binding of signal transduction proteins bearing pleckstrin homology (PH) domains such as phosphatidylinositol 3-kinase (PI3K) or PTEN. Protein binding to PIP3 is important for cytoskeletal rearrangement and membrane trafficking and initiates an intricate signaling cascade that has been implicated in cancer. 3,5-dimethyl PIT-1 is a dimethyl analog of PIT-1, the selective inhibitor of PIP3/Akt PH domain binding, that is designed for more favorable solubility in vivo. 3,5-dimethyl PIT-1 inhibits PI3K/Akt signaling (IC50 = 27 μM), suppressing PI3K-PDK1-Akt-dependent phosphorylation, which has been shown to reduce cell viability and induce apoptosis in PTEN-deficient U87MG glioblastoma cells (IC50 = 36 μM). 4T1 breast cancer growth is significantly attenuated in BALB/c mice with a dose of 1 mg/kg of 3,5-dimethyl PIT-1 per day.

OPC-167832 is a potent and orally active dprE1 Inhibitor with an IC50 of 0.258 μM. OPC-167832 has antituberculosis activity and can be used for the research of tuberculosis caused by Mycobacterium tuberculosis[1]. OPC-167832 exhibits very low MICs against laboratory strains of M. tuberculosis H37Rv (MIC: 0.0005 μg/ml) and Kurono (MIC: 0.0005 μg/ml) and strains with monoresistance to rifampin (RIF), isoniazid (INH), ethambutol (EMB), streptomycin (STR), and pyrazinamide (PZA) (MIC: 0.00024-0.001 μg/ml). However, OPC-167832 has minimal or no activity against standard strains of nonmycobacterial aerobic and anaerobic bacteria[1].The IC90 values of OPC-167832 against intracellular M. tuberculosis strains H37Rv and Kurono are 0.0048 and 0.0027 μg/ml, respectively. OPC-167832 shows bactericidal activity against intracellular M. tuberculosis at a low concentration, and the bactericidal activity is saturated at concentrations of 0.004 μg/ml or higher[1]. OPC-167832 (oral administration; 0.625-10 mg/kg) exhibits a good pharmacokinetic characteristic. The plasma reaches peak at 0.5 h to 1.0 h (tmax) and is eliminated with a half-life (t1/2) of 1.3 h to 2.1 h OPC-167832 distribution in the lungs is approximately 2 times higher than that in plasma, and the Cmax and AUCt of OPC-167832 in plasma and the lungs shows dose dependency[1].OPC-167832 (oral administration; 0.625-10 mg/kg; 4 weeks) significantly reduces lung CFU compared to the vehicle group. The dose-dependent decrease of lung CFU is observed from 0.625 mg/kg to 2.5 mg/kg. In a M. tuberculosis Kurono-infected ICR female mice model. OPC-167832 combines with DMD, BDQ, or LVX via oral gavage exhibits significantly higher efficacies than each single agent alone[1].[1].OPC-167832 (oral gavage; 2.5 mg/kg; combination with DCMB; 12 weeks) demonstrates the most potent efficacy when compares with DC, DCB. The lung CFU count after 6 weeks of treatment is below the detection limit, and at the end of just 8 weeks of treatment, the bacteria in the lungs of all the evaluated mice had already been eradicate[1]. [1]. Norimitsu Hariguchi, et al. OPC-167832, a Novel Carbostyril Derivative with Potent Antituberculosis Activity as a DprE1 Inhibitor.Antimicrob Agents Chemother. 2020 May 21;64(6):e02020-19.