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Zhang H, Cao R, Zeng F, Fan W, Guo L, Ma Q, Ke S. Bivalent β-Carbolines Inhibit Colorectal Cancer Growth through Inducing Autophagy. Chem Pharm Bull (Tokyo) 2021; 69:1104-1109. [PMID: 34719593 DOI: 10.1248/cpb.c21-00588] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
In this study, a series of alkyl diamine linked bivalent β-carbolines was synthesized and evaluated as antitumor agent. The results demonstrated that most compounds displayed good antiproliferative activities with IC50 value lower than 10 µM against a panel of human tumor cell lines, and compound 8 was found to be the most potent antiproliferative agent with IC50 value of 1.39, 1.96, 1.42, 1.49, 1.32, 1.96 and 1.63 µM against human breast cancer cell line (MCF-7), human adenocarcinoma cell line (769-P), human malighant melanoma cell line (A375), human ovarian cancer cell line (SK-OV-3), human colon carcinoma cell line (HCT-116), human gastric cancer cell line (BGC-823) and human esophageal squamous carcinoma cell line (Eca-109), respectively. Further investigations on mechanism of action of this class of compound demonstrated that the representative compound 8 inhibited colorectal cancer growth through inducing autophagy.
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Affiliation(s)
- Huihui Zhang
- College of Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Department of Laboratory Medicine, Hunan Normal University School of Medicine
| | - Rihui Cao
- School of Chemistry, Sun Yat-sen University
| | - Feng Zeng
- Cancer Center, Renmin Hospital of Wuhan University
| | - Wenxi Fan
- Xinjiang Huashidan Pharmaceutical Co,. Ltd
| | - Liang Guo
- Xinjiang Huashidan Pharmaceutical Co,. Ltd
| | - Qin Ma
- Xinjiang Huashidan Pharmaceutical Co,. Ltd
| | - Shaobo Ke
- Cancer Center, Renmin Hospital of Wuhan University
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2
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Chen Q, Chen W, Fan W, Guo L, Ma Q, Zhang X, Du R, Cao R. Design, synthesis and biological evaluation of novel alkyl diamine linked bivalent β-carbolines as angiogenesis inhibitors. Bioorg Med Chem Lett 2016; 26:5065-5068. [DOI: 10.1016/j.bmcl.2016.08.084] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Revised: 08/22/2016] [Accepted: 08/26/2016] [Indexed: 11/16/2022]
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3
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Jayanthi E, Kalaiselvi S, Padma VV, Bhuvanesh NSP, Dharmaraj N. Solvent assisted formation of ruthenium(III) and ruthenium(II) hydrazone complexes in one-pot with potential in vitro cytotoxicity and enhanced LDH, NO and ROS release. Dalton Trans 2016; 45:1693-707. [PMID: 26699435 DOI: 10.1039/c5dt03849a] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A set each of new bivalent and trivalent ruthenium complexes, [Ru(III)(HL)Cl2(EPh3)2] and [Ru(II)(L)(CO)(EPh3)2] (E = P (complexes and ) or As (complexes and )) were synthesised from the reactions of [Ru(III)Cl3(EPh3)3] with 2-hydroxynaphthaldehyde benzoic acid hydrazone (H2L) in methanol-chloroform and characterized by elemental analysis, spectral data and XRD study. A suitable mechanism to account for the formation of bivalent ruthenium carbonyl complexes from the corresponding trivalent precursors is provided by considering the role of added base in the reaction. Interaction of complexes with CT-DNA/bovine serum albumin was analysed with absorption and emission spectral titration studies. In vitro cytotoxic potential of the above ruthenium hydrazone complexes assayed against the A549 cell line revealed a significant growth inhibition. The test complexes added in IC50 concentration into the cell culture medium enhanced the release of lactate dehydrogenase, NO and reactive oxygen species in comparison with the control. Cell death induced by the complexes was studied using a propidium iodide staining assay and showed noticeable changes in the cell morphology which resembled apoptosis.
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Affiliation(s)
- Eswaran Jayanthi
- Inorganic & Nanomaterials Research Laboratory, Department of Chemistry, Bharathiar University, Coimbatore - 641 046, India.
| | | | | | | | - Nallasamy Dharmaraj
- Inorganic & Nanomaterials Research Laboratory, Department of Chemistry, Bharathiar University, Coimbatore - 641 046, India.
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4
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Guo L, Chen W, Fan W, Ma Q, Sun R, Shao G, Cao R. Synthesis and preliminary evaluation of novel alkyl diamine linked bivalent β-carbolines as angiogenesis inhibitors. MEDCHEMCOMM 2016. [DOI: 10.1039/c6md00360e] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of novel bivalent β-carbolines were synthesized and evaluated as potent angiogenesis inhibitors.
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Affiliation(s)
- Liang Guo
- School of Chemistry and Chemical Engineering
- Shihezi University
- Shihezi 832003
- PR China
- Xinjiang Huashidan Pharmaceutical Co. Ltd
| | - Wei Chen
- Xinjiang Huashidan Pharmaceutical Co. Ltd
- Urumqi 830011
- PR China
| | - Wenxi Fan
- Xinjiang Huashidan Pharmaceutical Co. Ltd
- Urumqi 830011
- PR China
| | - Qin Ma
- Xinjiang Huashidan Pharmaceutical Co. Ltd
- Urumqi 830011
- PR China
| | - Rongqin Sun
- School of Chemistry
- Sun Yat-sen University
- Guangzhou 510275
- PR China
| | - Guang Shao
- School of Chemistry
- Sun Yat-sen University
- Guangzhou 510275
- PR China
| | - Rihui Cao
- School of Chemistry
- Sun Yat-sen University
- Guangzhou 510275
- PR China
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5
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Affiliation(s)
- Ahmed A. Fadda
- Chemistry Department, Faculty of Science, Mansoura University, Mansoura, Egypt
| | - Khaled M. Elattar
- Chemistry Department, Faculty of Science, Mansoura University, Mansoura, Egypt
- Chemistry Department, Faculty of Education, Sert University, Sert, Libya
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6
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Kotali A, Dimoulaki F, Kotali E, Maniadaki A, Harris PA, Różycka-Sokołowska E, Bałczewski P, Joule JA. Synthesis of novel dehydroacetic acid N -aroylhydrazone-derived boron heterocycles. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.03.097] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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7
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Fox KR, Webster R, Phelps RJ, Fokt I, Priebe W. Sequence selective binding of bis-daunorubicin WP631 to DNA. ACTA ACUST UNITED AC 2004; 271:3556-66. [PMID: 15317591 DOI: 10.1111/j.0014-2956.2004.04292.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
We have used footprinting techniques on a wide range of natural and synthetic footprinting substrates to examine the sequence-selective interaction of the bis-daunorubicin antibiotic WP631 with DNA. The ligand produces clear DNase I footprints that are very different from those seen with other anthracycline antibiotics such as daunorubicin and nogalamycin. Footprints are found in a diverse range of sequences, many of which are rich in GT (AC) or GA (TC) residues. As expected, the ligand binds well to the sequences CGTACG and CGATCG, but clear footprints are also found at hexanucleotide sequences such GCATGC and GCTAGC. The various footprints do not contain any particular unique di-, tri- or tetranucleotide sequences, but are frequently contain the sequence (G/C)(A/T)(A/T)(G/C). All sequences with this composition are protected by the ligand, though it can also bind to some sites that differ from this consensus by one base pair.
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Affiliation(s)
- Keith R Fox
- School of Biological Sciences, University of Southampton, Bassett Crescent East, Southampton, UK.
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8
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Priebe W, Fokt I, Przewloka T, Chaires JB, Portugal J, Trent JO. Exploiting anthracycline scaffold for designing DNA-targeting agents. Methods Enzymol 2001; 340:529-55. [PMID: 11494869 DOI: 10.1016/s0076-6879(01)40441-1] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
Affiliation(s)
- W Priebe
- M. D. Anderson Cancer Center, University of Texas, Houston, Texas 77030, USA
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Lam W, Leung CH, Chan HL, Fong WF. Toxicity and DNA binding of dextran-doxorubicin conjugates in multidrug-resistant KB-V1 cells: optimization of dextran size. Anticancer Drugs 2000; 11:377-84. [PMID: 10912954 DOI: 10.1097/00001813-200006000-00008] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
We previously showed that conjugating doxorubicin to very large 70-500 kDa dextran decreased its removal rate from P-glycoprotein (P-gp) over-expressing, multidrug-resistant KB-V1 cells. Furthermore these conjugates could act synergistically with other cancer drugs. In the drug-sensitive 3-1 clone, but not in the V1 subclone which was 300-fold more resistant to free doxorubicin, conjugation led to a size-related decrease in toxicity. Here we identified the optimal size of dextran for avoiding P-gp-mediated efflux and yet preserving as much as possible doxorubicin toxicity. Chemically reduced, intracellularly stable 3.4-10 kDa conjugates were prepared. Confocal microscopy and fluorescence quenching experiments showed that these conjugates entered nuclei and interacted with DNA. In 3-1 cells, but not in V1 cells, cytotoxicity of conjugates decreased 14- to 45-fold linearly related to log size of the carrier (r=0.95). In V1 cells toxicity of the 10 kDa conjugate exceeded that of free doxorubicin. After conjugation the equilibrium binding constant of the DNA-drug complex (KA) decreased only by up to 3-fold. In 3-1 cells, but not in VI cells, DNA binding kinetics was an important factor and toxicity could be linearly correlated to 1/KA of conjugate (r=0.94). Drug accumulation decreased with an increase in dextran size but drug removal was decreased only in V1 cells. It appeared that drug uptake was also sensitive to dextran conjugation. In Vl cells drug removal was sensitive to the P-gp inhibitor verapamil or energy starvation. Ratios of V1/3-1 toxicity, drug accumulation and drug removal correlated linearly with log dextran size. When these ratios equaled 1, dextran sizes were estimated to be 32, 103 and 21 kDa, respectively.
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Affiliation(s)
- W Lam
- Department of Biology and Chemistry, City University of Hong Kong, Kowloon, SAR, China
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Leng F, Priebe W, Chaires JB. Ultratight DNA binding of a new bisintercalating anthracycline antibiotic. Biochemistry 1998; 37:1743-53. [PMID: 9485299 DOI: 10.1021/bi9720742] [Citation(s) in RCA: 94] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Differential scanning calorimetry and absorption spectroscopy were used to characterize the interaction of the new bisintercalating anthracycline antibiotic, WP631, with DNA. The method of continuous variations revealed five distinct binding modes for WP631, corresponding to 6, 3, 1.3, 0.5, and 0.25 mol of base pairs (bp) per mole of ligand. The binding of one drug to 6 bp corresponds to the bisintercalative binding mode determined previously, and was the mode studied in detail. UV melting experiments and differential scanning calorimetry were used to measure the ultratight binding of WP631 to DNA. The binding constant for the interaction of WP631 with herring sperm DNA was determined to be 3.1 (+/- 0.2) x 10(11) M-1 at 20 degrees C. The large, favorable binding free energy of -15.3 kcal mol-1 was found to result from a large, negative enthalpic contribution of -30.2 kcal mol-1. DNA melting curves at different concentrations of WP631 were fitted to McGhee's model of DNA melting in the presence of ligands, yielding an independent estimate of DNA binding parameters. The salt dependence of the WP631 binding constant was examined, yielding a slope SK = delta (log K)/delta (log[Na+]) = 1.63. The observed salt dependence of the equilibrium constant, interpreted according to polyelectrolyte theory, indicates that there is a significant nonpolyelectrolyte contribution to the binding free energy. DNA melting studies using a homogeneous 214 bp DNA fragment showed that WP631 binds preferentially to the GC-rich region of the DNA.
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Affiliation(s)
- F Leng
- Department of Biochemistry, University of Mississippi Medical Center, Jackson 39216-4505, USA
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Chaires JB, Leng F, Przewloka T, Fokt I, Ling YH, Perez-Soler R, Priebe W. Structure-based design of a new bisintercalating anthracycline antibiotic. J Med Chem 1997; 40:261-6. [PMID: 9022792 DOI: 10.1021/jm9607414] [Citation(s) in RCA: 135] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
A new bisintercalating anthracycline antibiotic, WP631, has been designed and synthesized. The rational design of the new compound was based upon the geometry of monomeric anthracyclines bound to DNA oligonucleotides observed in high-resolution crystal structures. Monomeric units of daunorubicin have been linked through their reactive 3' NH2 substituents on the daunosamine moieties to form the new bisanthracycline WP631. Viscosity studies confirmed that WP631 binds to DNA by bisintercalation. Differential scanning calorimetry and UV melting experiments were used to measure the ultratight binding of WP631 to DNA. The binding constant for the interaction of WP631 with herring sperm DNA was determined to be 2.7 x 10(11) M-1 at 20 degrees C. The large, favorable binding free energy of -15.3 kcal mol-1 was found to result from a large, negative enthalpic contribution of -30.2 kcal mol-1. A molecular model was generated that shows the favorable stereochemical fit of the linker in the DNA minor groove. The cytotoxicity of WP631 was compared to that of doxorubicin using MCF-7-sensitive and MCF-7/VP-16 MRP-mediated multidrug-resistant cell lines. These initial studies showed that while WP631 is slightly less cytotoxic than doxorubicin in the sensitive cell line, it appears to overcome MRP-mediated multidrug resistance and was much more cytotoxic against the MCF-7/VP-16 cell line than was doxorubicin. The design of new potential anticancer agents based on known structural principles was found to produce a compound with significantly increased DNA binding affinity and with interesting biological activity.
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Affiliation(s)
- J B Chaires
- Department of Biochemistry, University of Mississippi Medical Center, Jackson 39216-4505, USA
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