Antitumor Compound 1

Antitumor Compound 1 is a potent compound which comprises a new imidazopyridine having excellent antitumor activity as an active ingredient. Reference: Polymer-linked imidazopyridines useful as tumor-targeting cytotoxic agents By Kasuya, Hiroshi; Miyazaki, Hideki; Hayakawa, Ichio; Kanno, Yuichi; Watanabe, Kazuyoshi From Jpn. Kokai Tokkyo Koho (2004), JP 2004002826 A 20040108. Pharmaceuticals containing imidazopyridines for prophylactic and therapeutic treatment of tumor By Hayakawa, Ichio; Kanno, Yuichi; Azuma, Toshiki; Furukawa, Hidehiko; Naruto, Shunji; Kurakata, Shinichi From Jpn. Kokai Tokkyo Koho (2003), JP 2003313126A 20031106. Preparation of imidazopyridine derivatives as antitumor agents By Hayakawa, Ichiro; Sugano, Yuichi; Agatsuma, Toshinori; Furukawa, Hidehiko; Kurakata, Shinichi; Naruto, Shunji From PCT Int. Appl. (2002), WO 2002034748 A1 20020502.

In vitro and in vivo antitumor activity of a novel carbonyl ruthenium compound, the ct-[RuCl(CO)(dppb)(bipy)]PF-6[dppb=1,4-bis(diphenylphosphine)butane and bipy=2,2'-bipyridine].[Pubmed:27613330]

J Inorg Biochem. 2016 Nov;164:42-48.

This study performed in vitro and in vivo biological assays of the ruthenium (II) compound ct-[RuCl(CO)(dppb)(bipy)]PF6 (where, dppb=1,4-bis(diphenylphosphine)butane and bipy=2,2'-bipyridine). The cytotoxic activity of this compound was evaluated against different tumor cell lines (HeLa, human cervical adenocarcinoma; MCF7, human breast adenocarcinoma; MO59J, human glioblastoma; HepG2, hepatocellular carcinoma and B16F10, murine melanoma) and healthy cell line (V79, Chinese hamster lung fibroblasts), by XTT (sodium 2,3'-bis(2-methoxy-4-nitro-5-sulfophenyl)-5-[(phenylamino)-carbonyl]-3,4-tetrazol ium-bis(4-methoxy-6-nitro)benzene-sulfonic acid hydrate) method. A syngeneic murine melanoma tumor model (B16F10) was used to evaluate its antitumor activity. Additionally, experiments were performed to assess the interactions with ctDNA (calf thymus DNA) and BSA (bovine serum albumin). The results showed that ct-[RuCl(CO)(dppb)(bipy)]PF6 was cytotoxic against all tumor cell lines tested. Furthermore, the compound was more effective against tumor cells compared to the normal cell line, indicating selectivity, especially in B16F10 cells. Significant tumor growth reduction was observed in animals treated with the compound compared to the untreated control. Histopathological analysis of tumor tissue revealed a significant reduction of mitosis in animals treated with the compound compared to the untreated control. In the ctDNA and BSA interaction experiments, the compound in study showed weak interactions with ctDNA and hydrophobic interactions with BSA. The ruthenium compound investigated showed promising results in in vitro and in vivo biological assays.

Antitumor effects of novel compound, guttiferone K, on colon cancer by p21Waf1/Cip1-mediated G(0) /G(1) cell cycle arrest and apoptosis.[Pubmed:22733377]

Int J Cancer. 2013 Feb 1;132(3):707-16.

Low selectivity is one of the major problems of currently used anticancer drugs, therefore, there is a high demand for novel, selective antitumor agents. In this study, the anticancer effects and mechanisms of guttiferone K (GUTK), a novel polyprenylated acylphloroglucinol derivative isolated from Garcinia cowa Roxb., were examined for its development as a novel drug targeting colon cancer. GUTK concentration- and time-dependently reduced the viability of human colon cancer HT-29 cells (IC(50) value 5.39 +/- 0.22 muM) without affecting the viability of normal human colon epithelial CCD 841 CoN cells and induced G(0) /G(1) cell cycle arrest in HT-29 cells by down-regulating cyclins D1, D3 and cyclin-dependent kinases 4 and 6, while selectively restoring p21Waf1/Cip1 and p27Kip1 to levels comparable to those observed in normal colon cells, without affecting their levels in normal cells. GUTK (10.0 muM) induced cleavage of PARP, caspases-3, -8 and -9 and chromatin condensation to stimulate caspase-3-mediated apoptosis. The addition of a JNK inhibitor, SP600125, partially reversed GUTK-induced caspase-3 activity, indicating the possible involvement of JNK in GUTK-induced apoptosis. Furthermore, GUTK (10 mg/kg, i.p.) significantly decreased the tumor volume in a syngeneic colon tumor model when used alone or in combination with 5-fluorouracil without toxicity to the mice. Immunohistochemical staining of the tumor sections revealed a mechanism involving an increase in cleaved caspase-3 and a decrease in cell proliferation marker Ki-67. Our results support GUTK as a promising novel, potent and selective antitumor drug candidate for colon cancer.

A novel, broad-spectrum antitumor compound containing the 1-hydroxycyclohexa-2,5-dien-4-one group: the disclosure of a new antitumor pharmacophore in protoapigenone 1.[Pubmed:21515048]

Bioorg Med Chem Lett. 2011 Jun 1;21(11):3427-30.

The synthesis of a new compound 9 containing the 4-hydroxy-2,5-cyclohexadien-1-one system, a key elements toward elucidation of the protoapigenone 1 antitumor pharmacophore, was described. The compound showed potent in vitro antitumor potency with low micromolar IC(50)'s against breast, ovarian, prostate, liver, pancreas, and blood cancer cell lines tested and could inhibit tumor growth in vivo but no significant impairment of hematopoiesis or immune function was observed. The minimum structural pharmacophore of 1 has now been refined.

The antidiabetic compound 2-dodecyl-6-methoxycyclohexa-2,5-diene-1,4-dione, isolated from Averrhoa carambola L., demonstrates significant antitumor potential against human breast cancer cells.[Pubmed:26203774]

Oncotarget. 2015 Sep 15;6(27):24304-19.

2-Dodecyl-6-methoxycyclohexa-2,5-diene-1,4-dione (DMDD) is a cyclohexanedione found in the roots of Averrhoa carambola L., commonly known as starfruit. Researchers have shown that DMDD has significant therapeutic potential for the treatment of diabetes; however, the effects of DMDD on human cancers have never been reported. We investigated the cytotoxic effects of DMDD against human breast, lung and bone cancer cells in vitro and further examined the molecular mechanisms of DMDD-induced apoptosis in human breast cancer cells. DMDD suppressed the growth of breast carcinoma cells, but not normal mammary epithelial cells, via induction of G1 phase cell cycle arrest, oxidative stress and apoptosis. DMDD increased the level of intracellular reactive oxygen species (ROS) and DMDD-induced ROS generation was found to be associated with the mitochondrial activity. The cytotoxicity that was induced by DMDD was attenuated by co-treatment with the antioxidant N-acetyl-L-cysteine (NAC). DMDD-induced cell apoptosis involved the activation of both the intrinsic mitochondrial pathway and the extrinsic receptor pathway. In addition, DMDD inhibited the canonical NF-kappaB signaling pathway at all steps, including TNF-alpha production, phosphorylation of NF-kappaB p65 and IkappaBalpha, as well as TNF-alpha activated NF-kappaB p65 nuclear translocation.Collectively, our studies indicate that DMDD has significant potential as a safe and efficient therapeutic agent for the treatment of breast cancer.

Antitumor agent-3 is a potent compound which comprises a new imidazopyridine having excellent antitumor activity as an active ingredient.

Antitumor Compound 1,420126-30-3,Natural Products,Others, buy Antitumor Compound 1 , Antitumor Compound 1 supplier , purchase Antitumor Compound 1 , Antitumor Compound 1 cost , Antitumor Compound 1 manufacturer , order Antitumor Compound 1 , high purity Antitumor Compound 1