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Shetty MG, Pai P, Dey B, Satyamoorthy K, Shil S, Nayak UY, T A, Sundara BK. Evaluation of 1,10-phenanthroline-based hydroxamate derivative as dual histone deacetylases/ribonucleotide reductase inhibitor with antitumor activities. Daru 2024; 32:263-278. [PMID: 38683491 PMCID: PMC11087398 DOI: 10.1007/s40199-024-00514-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 04/07/2024] [Indexed: 05/01/2024] Open
Abstract
BACKGROUND Aberrant expression of histone deacetylases (HDACs) and ribonucleotide reductase (RR) enzymes are commonly observed in various cancers. Researchers are focusing on these enzymes in cancer studies with the aim of developing effective chemotherapeutic drugs for cancer treatment. Targeting both HDAC and RR simultaneously with a dual HDAC/RR inhibitor has exhibited enhanced effectiveness compared to monotherapy in cancer treatment, making it a promising strategy. OBJECTIVES The objective of the study is to synthesize and assess the anti-cancer properties of a 1,10-phenanthroline-based hydroxamate derivative, characterizing it as a novel dual HDAC/RR inhibitor. METHODS The N1-hydroxy-N8-(1,10-phenanthrolin-5-yl)octanediamide (PA), a 1,10-phenanthroline-based hydroxamate derivative, was synthesized and structurally characterized. The compound was subjected to in vitro assessments of its anti-cancer, HDAC, and RR inhibitory activities. In silico docking and molecular dynamics simulations were further studied to explore its interactions with HDACs and RRM2. RESULTS The structurally confirmed PA exhibited antiproliferative activity in SiHa cells with an IC50 of 16.43 μM. It displayed potent inhibitory activity against HDAC and RR with IC50 values of 10.80 μM and 9.34 μM, respectively. Co-inhibition of HDAC and RR resulted in apoptosis-induced cell death in SiHa cells, mediated by the accumulation of reactive oxygen species (ROS). In silico docking studies demonstrated that PA can effectively bind to the active sites of HDAC isoforms and RRM2. Furthermore, PA demonstrated a more favorable interaction with HDAC7, displaying a docking score of -9.633 kcal/mol, as compared to the standard HDAC inhibitor suberoylanilide hydroxamic acid (SAHA), which exhibited a docking score of -8.244 kcal/mol against HDAC7. CONCLUSION The present study emphasizes the prospect of designing a potential 1,10-phenanthroline hydroxamic acid derivative as a novel dual HDAC and RR-inhibiting anti-cancer molecule.
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Affiliation(s)
- Manasa Gangadhar Shetty
- Department of Biophysics, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Padmini Pai
- Department of Biophysics, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Bipasa Dey
- Department of Biophysics, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Kapaettu Satyamoorthy
- Shri Dharmasthala Manjunatheshwara (SDM) University, Manjushree Nagar, Sattur, Dharwad, 580009, Karnataka, India
| | - Suranjan Shil
- Department of Chemistry, Manipal Centre for Natural Sciences (Centre of Excellence), Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Usha Yogendra Nayak
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Ashwini T
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Babitha Kampa Sundara
- Department of Biophysics, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India.
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Bright SA, Erby M, Poynton FE, Monteyne D, Pérez-Morga D, Gunnlaugsson T, Williams DC, Elmes RBP. Tracking the cellular uptake and phototoxicity of Ru(ii)-polypyridyl-1,8-naphthalimide Tröger's base conjugates. RSC Chem Biol 2024; 5:344-359. [PMID: 38576718 PMCID: PMC10989513 DOI: 10.1039/d3cb00206c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 02/07/2024] [Indexed: 04/06/2024] Open
Abstract
Ruthenium(ii) complexes are attracting significant research attention as a promising class of photosensitizers (PSs) in photodynamic therapy (PDT). Having previously reported the synthesis of two novel Ru(ii)-polypyridyl-1,8-naphthalimide Tröger's base compounds 1 and 2 with interesting photophysical properties, where the emission from either the Ru(ii) polypyridyl centres or the naphthalimide moieties could be used to monitor binding to nucleic acids, we sought to use these compounds to investigate further and in more detail their biological profiling, which included unravelling their mechanism of cellular uptake, cellular trafficking and cellular responses to photoexcitation. Here we demonstrate that these compounds undergo rapid time dependent uptake in HeLa cells that involved energy dependent, caveolae and lipid raft-dependent mediated endocytosis, as demonstrated by confocal imaging, and transmission and scanning electron microscopy. Following endocytosis, both compounds were shown to localise to mostly lysosomal and Golgi apparatus compartments with some accumulation in mitochondria but no localisation was found to the nucleus. Upon photoactivation, the compounds increased ROS production and induced ROS-dependent apoptotic cell death. The photo-activated compounds subsequently induced DNA damage and altered tubulin, but not actin structures, which was likely to be an indirect effect of ROS production and induced apoptosis. Furthermore, by changing the concentration of the compounds or the laser used to illuminate the cells, the mechanism of cell death could be changed from apoptosis to necrosis. This is the first detailed biological study of Ru(ii)-polypyridyl Tröger's bases and clearly suggests caveolae-dependent endocytosis is responsible for cell uptake - this may also explain the lack of nuclear uptake for these compounds and similar results observed for other Ru(ii)-polypyridyl complexes. These conjugates are potential candidates for further development as PDT agents and may also be useful in mechanistic studies on cell uptake and trafficking.
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Affiliation(s)
- Sandra A Bright
- School of Biochemistry and Immunology, Biomedical Sciences Institute, Trinity College Dublin 2 Ireland +353 1 8962596
- School of Chemistry, Centre for Synthesis and Chemical Biology, Biomedical Sciences Institute, Trinity College Dublin Dublin 2 Ireland +353 1 8963459
| | - MariaLuisa Erby
- School of Biochemistry and Immunology, Biomedical Sciences Institute, Trinity College Dublin 2 Ireland +353 1 8962596
| | - Fergus E Poynton
- School of Chemistry, Centre for Synthesis and Chemical Biology, Biomedical Sciences Institute, Trinity College Dublin Dublin 2 Ireland +353 1 8963459
| | - Daniel Monteyne
- Laboratoire de Parasitologie Moléculaire, IBMM-DBM Université Libre de Bruxelles Gosselies Belgium
| | - David Pérez-Morga
- Laboratoire de Parasitologie Moléculaire, IBMM-DBM Université Libre de Bruxelles Gosselies Belgium
- Center for Microscopy and Molecular Imaging CMMI Université Libre de Bruxelles Gosselies Belgium
| | - Thorfinnur Gunnlaugsson
- School of Chemistry, Centre for Synthesis and Chemical Biology, Biomedical Sciences Institute, Trinity College Dublin Dublin 2 Ireland +353 1 8963459
- Synthesis and Solid State Pharmaceutical Centre (SSPC), University of Limerick Ireland
| | - D Clive Williams
- School of Biochemistry and Immunology, Biomedical Sciences Institute, Trinity College Dublin 2 Ireland +353 1 8962596
| | - Robert B P Elmes
- Synthesis and Solid State Pharmaceutical Centre (SSPC), University of Limerick Ireland
- Department of Chemistry, Maynooth University, National University of Ireland Maynooth Co. Kildare Ireland +353 1708 4615
- Kathleen Lonsdale Institute for Human Health Research, Maynooth University Maynooth Co. Kildare Ireland
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3
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Targeting emerging cancer hallmarks by transition metal complexes: Epigenetic reprogramming and epitherapies. Part II. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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4
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Pang E, Zhao S, Wang B, Niu G, Song X, Lan M. Strategies to construct efficient singlet oxygen-generating photosensitizers. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Tang C, Wang X, Jin Y, Wang F. Recent advances in HDAC-targeted imaging probes for cancer detection. Biochim Biophys Acta Rev Cancer 2022; 1877:188788. [PMID: 36049581 DOI: 10.1016/j.bbcan.2022.188788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 08/23/2022] [Accepted: 08/24/2022] [Indexed: 10/14/2022]
Abstract
Histone Deacetylases (HDACs) are abnormally high expressed in various cancers and play a crucial role in regulating gene expression. While HDAC-targeted inhibitors have been rapidly developed and approved in the last twenty years, noninvasive monitoring and visualizing the expression levels of HDACs in tumor tissues might help to early diagnosis in cancer and predict the response to HDAC-targeted cancer therapy. In this review, we summarize the recent advancements in the development of HDAC-targeted probes and their applications in cancer imaging and image-guided surgery. We also discuss the design strategies, advantages and disadvantages of these probes. We hope that this review will provide guidance for the design of HDAC-targeted imaging probes and clinical applications in future.
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Affiliation(s)
- Chu Tang
- Engineering Research Center of Molecular and Neuro Imaging, Ministry of Education, School of Life Science and Technology, Xidian University, Xi'an, Shaanxi 710126, China; Xianyang Key Laboratory of Molecular Imaging and Drug Synthesis, School of Pharmacy, School of Pharmacy, Shaanxi Institute of International Trade & Commerce, Xianyang 712046, Shaanxi, China
| | - Xinan Wang
- Engineering Research Center of Molecular and Neuro Imaging, Ministry of Education, School of Life Science and Technology, Xidian University, Xi'an, Shaanxi 710126, China
| | - Yushen Jin
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Prevention and Control, Beijing 100013, China
| | - Fu Wang
- Engineering Research Center of Molecular and Neuro Imaging, Ministry of Education, School of Life Science and Technology, Xidian University, Xi'an, Shaanxi 710126, China; Xianyang Key Laboratory of Molecular Imaging and Drug Synthesis, School of Pharmacy, School of Pharmacy, Shaanxi Institute of International Trade & Commerce, Xianyang 712046, Shaanxi, China; Institute of Medical Engineering, School of Basic Medical Sciences, Xi'an Jiaotong University, Xi'an 710061, China.
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Ma X, Lu J, Yang P, Huang B, Li R, Ye R. Synthesis, Characterization and Antitumor Mechanism Investigation of Heterometallic Ru(Ⅱ)-Re(Ⅰ) Complexes. Front Chem 2022; 10:890925. [PMID: 35711955 PMCID: PMC9196629 DOI: 10.3389/fchem.2022.890925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 05/09/2022] [Indexed: 11/17/2022] Open
Abstract
The development of heteronuclear metal complexes as potent anticancer agents has received increasing attention in recent years. In this study, two new heteronuclear Ru(Ⅱ)-Re(Ⅰ) metal complexes, [Ru(bpy)2LRe(CO)3(DIP)](PF6)3 and [Ru(phen)2LRe(CO)3(DIP)](PF6)3 [RuRe-1 and RuRe-2, L = 2-(4-pyridinyl)imidazolio[4,5-f][1,10]phenanthroline, bpy = 2,2′-bipyridine, DIP = 4,7-diphenyl-1,10-phenanthroline, phen = 1,10-phenanthroline], were synthesized and characterized. Cytotoxicity assay shows that RuRe-1 and RuRe-2 exhibit higher anticancer activity than cisplatin, and exist certain selectivity toward human cancer cells over normal cells. The anticancer mechanistic studies reveal that RuRe-1 and RuRe-2 can induce apoptosis through the regulation of cell cycle, depolarization of mitochondrial membrane potential (MMP), elevation of intracellular reactive oxygen species (ROS), and caspase cascade. Moreover, RuRe-1 and RuRe-2 can effectively inhibit cell migration and colony formation. Taken together, heteronuclear Ru(Ⅱ)-Re(Ⅰ) metal complexes possess the prospect of developing new anticancer agents with high efficacy.
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Affiliation(s)
- Xiurong Ma
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
| | - Junjian Lu
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
| | - Peixin Yang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
| | - Bo Huang
- Faculty of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, China
- *Correspondence: Bo Huang, ; Ruirong Ye,
| | - Rongtao Li
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
| | - Ruirong Ye
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
- *Correspondence: Bo Huang, ; Ruirong Ye,
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Zhang Y, Fei W, Zhang H, Zhou Y, Tian L, Hao J, Yuan Y, Li W, Liu Y. Increasing anticancer effect in vitro and vivo of liposome-encapsulated iridium(III) complexes on BEL-7402 cells. J Inorg Biochem 2021; 225:111622. [PMID: 34624670 DOI: 10.1016/j.jinorgbio.2021.111622] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Revised: 09/20/2021] [Accepted: 09/28/2021] [Indexed: 01/04/2023]
Abstract
The studies of iridium (III) complexes as potent anticancer reagents have attracted great attention. Here, a new iridium (III) complex [Ir(bzq)2(PYIP)](PF6) (Ir1, bzq = benzo[h]quinoline, PYIP = 2-(pyren-1-yl)-1H-imidazo[4,5-f][1,10]phenanthroline) was synthesized and its liposomes (Ir1Lipo) was prepared. The 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) method was used to detect the cytotoxic activity of Ir1 and Ir1Lipo on HepG2, SGC-7901, BEL-7402, HeLa, B16, A549 and normal NIH3T3 cells. The complex Ir1 displays no obvious inhibitory effect on the growth of BEL-7402 cells, while the Ir1Lipo shows significant cytotoxic activity on BEL-7402 cells (IC50 = 2.6 ± 0.03 μM). In further studies, Ir1Lipo induced apoptosis by the mitochondrial pathways, such as increasing intracellular reactive oxygen species (ROS) content and intracellular Ca2+ level, decreasing the mitochondrial membrane potential (MMP). In addition, after incubation with Ir1Lipo, the colony formation of BEL-7402 cells was significantly inhibited. Moreover, flow cytometry was used to detect the impact of Ir1Lipo on cell cycle distribution, and western blot was used to detect the expression of caspases and Bcl-2 (B-cell lymphoma-2) family proteins. Furthermore, Ir1Lipo exhibited significant antitumor activity in vivo with an inhibitory rate of 65.8%. These results indicated that Ir1Lipo induces apoptosis in BEL-7402 cells through intrinsic mitochondrial pathway.
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Affiliation(s)
- Yuanyuan Zhang
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Weidong Fei
- Department of Pharmacy, Women's Hospital, Zejiang University School of Medicine, Hangzhou 310006, PR China
| | - Huiwen Zhang
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Yi Zhou
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Li Tian
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Jing Hao
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Yuhan Yuan
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Wenlong Li
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Yunjun Liu
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, PR China.
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Anti-Proliferative, Anti-Angiogenic and Safety Profiles of Novel HDAC Inhibitors for the Treatment of Metastatic Castration-Resistant Prostate Cancer. Pharmaceuticals (Basel) 2021; 14:ph14101020. [PMID: 34681244 PMCID: PMC8540814 DOI: 10.3390/ph14101020] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/24/2021] [Accepted: 09/24/2021] [Indexed: 12/13/2022] Open
Abstract
Metastatic castration-resistant prostate cancer (CRPC) has a five-year survival rate of 28%. As histone deacetylases (HDACs) are overexpressed in CRPC, the HDAC inhibitor suberoylanilide hydroxamic acid (SAHA) was trialled in CRPC patients but found to be toxic and inefficacious. Previously, we showed that novel HDAC inhibitors (Jazz90 (N1-hydroxy-N8-(4-(pyridine-2-carbothioamido)phenyl)octanediamide) and Jazz167 ([chlorido(η5-pentamethylcyclopentadieny[1–4](N1-hydroxy-N8-(4-(pyridine-2-carbothioamido-κ2N,S)phenyl)octanediamide)rhodium(III)] chloride) had a higher cancer-to-normal-cell selectivity and superior anti-angiogenic effects in CRPC (PC3) cells than SAHA. Thus, this study aimed to further investigate the efficacy and toxicity of these compounds. HUVEC tube formation assays revealed that Jazz90 and Jazz167 significantly reduced meshes and segment lengths in the range of 55–88 and 43–64%, respectively. However, Jazz90 and Jazz167 did not affect the expression of epithelial-to-mesenchymal transitioning markers E-cadherin and vimentin. Jazz90 and Jazz167 significantly inhibited the growth of PC3 and DU145 spheroids and reduced PC3 spheroid branching. Jazz90 and Jazz167 (25, 50 and 75 mg/kg/day orally for 21 days) were non-toxic in male BALB/c mice. The efficacy and safety of these compounds demonstrate their potential for further in vivo studies in CRPC models.
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Chen BC, Lu JJ, Jiang N, Ma XR, Li RT, Ye RR. Synthesis, characterization and antitumor mechanism investigation of ruthenium(II) polypyridyl complexes with artesunate moiety. J Biol Inorg Chem 2021; 26:909-918. [PMID: 34545414 DOI: 10.1007/s00775-021-01901-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Accepted: 09/08/2021] [Indexed: 12/14/2022]
Abstract
Six artesunate (ART) conjugated ruthenium(II) complexes (Ru(II)-ART conjugates) with the formula [Ru(N^N)2bpy(4-CH3-4'-CH2OART)](PF6)2 (Ru-ART-1-3) and [Ru(N^N)2bpy(4-CH2OART-4'-CH2OART)](PF6)2 (Ru-ART-4-6) (N^N = 2,2'-bipyridine (bpy, in Ru-ART-1 and Ru-ART-4), 1,10-phenanthroline (phen, in Ru-ART-2 and Ru-ART-5) and 4,7-diphenyl-1,10-phenanthroline (DIP, in Ru-ART-3 and Ru-ART-6)), were synthesized and characterized. Among them, Ru-ART-1-3 and Ru-ART-4-6 carry one and two ART moieties, respectively. Ru-ART-3 and Ru-ART-6 exhibit better cytotoxicity among six Ru(II)-ART conjugates. These two complexes can be effectively taken up by human cervical carcinoma (HeLa) cells. In addition, they selectively kill cancer cell lines while mildly affect normal cells. Mechanism studies have shown that HeLa cells treated with Ru-ART-3 and Ru-ART-6 show typical apoptotic characteristics (morphology changes, mitochondrial dysfunction, caspase cascade, etc.). On the other hand, the up regulation of Beclin-1 and conversion of LC3-I to LC3-II note the appearance of autophagy. As a result, Ru-ART-3 and Ru-ART-6 induce autophagy-dependent cell apoptosis via mitochondrial dysfunction and reactive oxygen species (ROS) accumulation. In this work, six artesunate (ART) conjugated ruthenium(II) complexes (Ru(II)-ART conjugates) have been synthesized and characterized. Among them, Ru-ART-3 and Ru-ART-6 exhibit better cytotoxicity. Mechanism studies have shown that HeLa cells treated with Ru-ART-3 and Ru-ART-6 show typical apoptotic characteristics (morphology changes, mitochondrial dysfunction, caspase cascade, etc.). On the other hand, the up regulation of Beclin-1 and conversion of LC3-I to LC3-II note the appearance of autophagy.
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Affiliation(s)
- Bi-Chun Chen
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, People's Republic of China
| | - Jun-Jian Lu
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, People's Republic of China
| | - Ning Jiang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, People's Republic of China
| | - Xiu-Rong Ma
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, People's Republic of China
| | - Rong-Tao Li
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, People's Republic of China
| | - Rui-Rong Ye
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, People's Republic of China.
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Peng YB, Tao C, Tan CP, Zhao P. Inhibition of Aβ peptide aggregation by ruthenium(II) polypyridyl complexes through copper chelation. J Inorg Biochem 2021; 224:111591. [PMID: 34450410 DOI: 10.1016/j.jinorgbio.2021.111591] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 08/18/2021] [Accepted: 08/18/2021] [Indexed: 10/20/2022]
Abstract
Alzheimer's disease (AD) is known as a complex multifactorial syndrome and both metal chelators and amyloid β peptide (Aβ) inhibitors show promise against AD. Herein, four small hybrid compounds have been designed and synthesized utilizing 8-hydroxyquinoline, pyridine or imidazole as chelators and benzimidazole as the recognition moiety for AD treatment. These conjugates can capture Cu2+ from Aβ and become dimers upon Cu2+ coordination and show high efficiency for both Cu2+ elimination and Aβ assembly inhibition. Besides, these designed complexes can inhibit the production of Aβ-induced reactive oxygen species (ROS), protect mitochondria from damage, and improve the survival rate of neuron cells. Our work provides a new strategy to combine hydrophobic interaction and metal ion chelation to design amyloid inhibitors.
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Affiliation(s)
- Yan-Bo Peng
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Education Mega Centre, No. 280, Waihuandong Road, Guangzhou 510006, PR China
| | - Can Tao
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Education Mega Centre, No. 280, Waihuandong Road, Guangzhou 510006, PR China
| | - Cai-Ping Tan
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, PR China.
| | - Ping Zhao
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Education Mega Centre, No. 280, Waihuandong Road, Guangzhou 510006, PR China.
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Peng YB, Tao C, Tan CP, Zhao P. Mitochondrial targeted rhodium(III) complexes: Synthesis, characterized and antitumor mechanism investigation. J Inorg Biochem 2021; 218:111400. [PMID: 33684684 DOI: 10.1016/j.jinorgbio.2021.111400] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 02/09/2021] [Accepted: 02/13/2021] [Indexed: 12/23/2022]
Abstract
Recently, rhodium complexes have received intensive attentions due to their tunable chemical and biological properties as well as attractive antitumor activity. In this work, two imidazole triphenylamino rhodium complexes [Rh(ppy)2L1]PF6 (Rh1) and [Rh(ppy)2L2]PF6 (Rh2) (ppy = 2-phenylpyridine, L1 = 4-(1H-imidazo[4,5-f][1,10]phenanthrolin-2-yl)-N,N-diphenylaniline, L2 = N-(4-(1H-imidazo[4,5-f][1,10]phenanthrolin-2-yl)phenyl)-4-methyl-N-(p-tolyl)aniline) have been synthesized and characterized. Both complexes display stronger anticancer activity against a various of cancer cells than cisplatin and they can effectively localize to mitochondria. Further mechanism studies show that Rh1 induce caspase-dependent apoptosis through mitochondrial damage, down-regulate the expression of B-cell lymphoma-2 (Bcl-2)/Bcl2-associated x (Bax) and reactive oxygen species (ROS) elevation. Our work provides a strategy for the construction of highly effective anticancer agents targeting mitochondrial metabolism through rational modification of rhodium complexes.
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Affiliation(s)
- Yan-Bo Peng
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Education Mega Centre, No. 280, Waihuandong Road, Guangzhou 510006, PR China
| | - Can Tao
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Education Mega Centre, No. 280, Waihuandong Road, Guangzhou 510006, PR China
| | - Cai-Ping Tan
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, PR China.
| | - Ping Zhao
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Education Mega Centre, No. 280, Waihuandong Road, Guangzhou 510006, PR China.
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Liu ZY, Zhang J, Sun YM, Zhu CF, Lu YN, Wu JZ, Li J, Liu HY, Ye Y. Photodynamic antitumor activity of Ru(ii) complexes of imidazo-phenanthroline conjugated hydroxybenzoic acid as tumor targeting photosensitizers. J Mater Chem B 2021; 8:438-446. [PMID: 31833531 DOI: 10.1039/c9tb02103e] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Two novel Ru(ii) polypyridyl complexes bearing imidazo-phenanthroline conjugated hydroxybenzoic acid groups were designed to enhance the tumor targeting ability as photosensitizers for photodynamic therapy. [Ru(bpy)2(phcpip)] (ClO4)2 (Ru-1) and [Ru(bpy)2(ohcpip)] (ClO4)2 (Ru-2) (bpy = 2,2'-bipyridine; phcpip = 2-(3-carboxyl-4-hydroxyphenyl) imidazo [4,5-f]phenanthroline; ohcpip = 2-(2-hydroxyl-3-carboxyphenyl) imidazo [4,5-f] [1,10] phenanthroline) were synthesized and their photodynamic antitumor activities were investigated. Both complexes displayed high photocytotoxicity toward cancerous cell lines HepG2, A549, MCF-7, and MDA-MB-231, but low photocytotoxicity toward normal cell lines GES-1 and Huvec. They were mainly localized at the nucleus of HepG2 cells after 24 h incubation, arrested the cell cycle at the G2/M phase and induced cancer cell apoptosis through reactive oxygen species (ROS) mediated pathways. Tumor targeting of the complexes is attributed to stronger molecular binding to DNA.
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Affiliation(s)
- Ze-Yu Liu
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, P. R. China.
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Peng YB, He W, Niu Q, Tao C, Zhong XL, Tan CP, Zhao P. Mitochondria-targeted cyclometalated rhodium(III) complexes: synthesis, characterization and anticancer research. Dalton Trans 2021; 50:9068-9075. [PMID: 34113944 DOI: 10.1039/d1dt01053k] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Over the past few decades, the landscape of inorganic medicinal chemistry has been dominated by investigations on platinum or ruthenium, while the research based on other metal centers such as rhodium has been relatively insufficient. In this work, a series of cyclometalated rhodium(iii) complexes with imidazo[4,5-f][1,10]phenanthroline containing different aromatic rings were synthesized and characterized. Notably, all the complexes displayed stronger anticancer activity against various cancer cells compared with cisplatin. A mechanism study revealed that the rhodium complexes accumulated in the mitochondria, elevated the levels of mitochondrial reactive oxygen species (ROS) and released cytochrome c, indicating severe mitochondrial damage during the anticancer activity. Further studies illustrated that the rhodium complexes caused cell cycle arrest at the G2/M phase, upregulated the expression of p53 and reduced the ratio of B-cell lymphoma-2 (Bcl-2)/Bcl-2-associated x (Bax), which ultimately resulted in cellular apoptosis. Overall, through mitochondrial pathways, these Rh(iii) complexes could induce cellular apoptosis to a larger extent than cisplatin and should be paid close attention as promising chemotherapeutic drugs in anticancer research.
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Affiliation(s)
- Yan-Bo Peng
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Education Mega Centre, No. 280, Waihuandong Road, Guangzhou 510006, P.R. China. and MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P.R. China.
| | - Wei He
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P.R. China.
| | - Qiang Niu
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Education Mega Centre, No. 280, Waihuandong Road, Guangzhou 510006, P.R. China.
| | - Can Tao
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Education Mega Centre, No. 280, Waihuandong Road, Guangzhou 510006, P.R. China.
| | - Xiao-Lan Zhong
- College of Materials and Energy, South China Agricultural University, Guangzhou 510642, P.R. China
| | - Cai-Ping Tan
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P.R. China.
| | - Ping Zhao
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Education Mega Centre, No. 280, Waihuandong Road, Guangzhou 510006, P.R. China.
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14
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Inhibition of histone deacetylases, topoisomerases and epidermal growth factor receptor by metal-based anticancer agents: Design & synthetic strategies and their medicinal attributes. Bioorg Chem 2020; 105:104396. [PMID: 33130345 DOI: 10.1016/j.bioorg.2020.104396] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 10/16/2020] [Accepted: 10/18/2020] [Indexed: 12/22/2022]
Abstract
Metal-based inhibitors of histone deacetylases (HDAC), DNA topoisomerases (Topos) and Epidermal Growth Factor Receptor (EGFR) have demonstrated their cytotoxic potential against various cancer types such as breast, lung, uterus, colon, etc. Additionally, these have proven their role in resolving the resistance issues, enhancing the affinity, lipophilicity, stability, and biocompatibility and therefore, emerged as potential candidates for molecularly targeted therapeutics. This review focusses on nature and role of metals and organic ligands in tuning the anticancer activity in multiple modes of inhibition considering HDACs, Topos or EGFR as one of the primary targets. The conceptual design and synthetic approaches of platinum and non-platinum metal complexes comprising of chiefly ruthenium, rhodium, palladium, copper, iron, nickel, cobalt, zinc metals coordinated with organic scaffolds, along with their biological activity profiles, structure-activity relationships (SARs), docking studies, possible modes of action, and their scope and limitations are discussed in detail.
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15
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Rentschler M, Schmid MA, Frey W, Tschierlei S, Karnahl M. Multidentate Phenanthroline Ligands Containing Additional Donor Moieties and Their Resulting Cu(I) and Ru(II) Photosensitizers: A Comparative Study. Inorg Chem 2020; 59:14762-14771. [PMID: 32212646 DOI: 10.1021/acs.inorgchem.9b03687] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
To bind or not to bind: Driven by the motivation to increase the (photo)stability of traditional Cu(I) photosensitizers, multidentate diimine ligands, which contain two additional donor sites, were designed. To this end, a systematic series of four 1,10-phenanthroline ligands with either OR or SR (R = iPr or Ph) donor groups at the 2 and 9 positions and their resulting hetero- and homoleptic Cu(I) complexes were prepared. In addition, the related Ru(II) complexes were also synthesized to study the effect of another metal center. In the following, a combination of NMR spectroscopy and X-ray analysis was used to evaluate the impact of the additional donor moieties on the coordination behavior. Most remarkably, for the homoleptic bis(diimine)copper(I) complexes, a pentacoordinated copper center, corresponding to a (4 + 1)-fold coordination mode, was found in the solid state. This additional binding is the first indication that the extra donor might also occupy a free coordination site in the excited-state complex, modifying the nature of the excited states and their respective deactivation processes. Therefore, the electrochemical and photophysical properties of all novel complexes (in total 13) were studied in detail to assess the potential of these photosensitizers for future applications within solar energy conversion schemes. Finally, the photostabilities and a potential degradation mechanism were analyzed for representative samples.
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Affiliation(s)
- Martin Rentschler
- Institute of Organic Chemistry, University of Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart, Germany
| | - Marie-Ann Schmid
- Institute of Inorganic Chemistry I, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Wolfgang Frey
- Institute of Organic Chemistry, University of Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart, Germany
| | - Stefanie Tschierlei
- Institute of Inorganic Chemistry I, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Michael Karnahl
- Institute of Organic Chemistry, University of Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart, Germany
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16
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Wu C, Wu KJ, Liu JB, Wang W, Leung CH, Ma DL. Structure-guided discovery of a luminescent theranostic toolkit for living cancer cells and the imaging behavior effect. Chem Sci 2020; 11:11404-11412. [PMID: 34094382 PMCID: PMC8162881 DOI: 10.1039/d0sc04576d] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 09/23/2020] [Indexed: 01/12/2023] Open
Abstract
Dual-functional theranostics are powerful tools that can allow for the in-field understanding of cancer pathology, yet their use is held back by the paucity of suitable theranostics for living systems. Moreover, typical in vitro screening conditions for probe molecules do not necessarily generate candidates that can function effectively in the natural in cellulo environment, limiting their follow-up use in living systems. We introduce herein a general strategy for the development of an iridium(iii) theranostic by grafting a well-known inhibitor as a "binding unit" onto an iridium(iii) complex precursor as a "signaling unit". To further optimize their emissive properties, we explored the effect of imaging behavior by incorporating different substituents onto the parental "signaling unit". This design concept was validated by a series of tailored iridium(iii) theranostics 2a-2h for the visualization and inhibition of EGFR in living cancer cells. By comprehensively assessing the theranostic potency of 2a-2h in both in vitro and in cellulo contexts, probe 2f containing electron-donating methoxy groups on the "signaling unit" was discovered to be the most promising candidate theranostic with desirable photophysical/chemical properties. Probe 2f selectively bound to EGFR in vitro and in cellulo, enabling it to selectively discriminate living EGFR-overexpressing cancer cells from normal cells that express low levels of EGFR with an "always-on" luminescence signal output. In particular, its long-lived lifetime enabled its luminescence signal to be readily distinguished from the interfering fluorescence of organic dyes by using time-resolved techniques. Complex 2f simultaneously visualized and inhibited EGFR in a dose-dependent manner, leading to a reduction in the phosphorylation of downstream proteins ERK and MEK, and inhibition of the activity of downstream transcription factor AP1. Notably, complex 2f is comparable to the parental EGFR inhibitor 1b, in terms of both inhibitory activity against EGFR and cytotoxicity against EGFR-overexpressing cancer cells. This tailored dual-functional iridium(iii) theranostic toolkit provides an alternative strategy for the personalized diagnosis and treatment of cancers.
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Affiliation(s)
- Chun Wu
- Department of Chemistry, Hong Kong Baptist University Kowloon Hong Kong SAR 999077
| | - Ke-Jia Wu
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau Taipa Macau SAR 999078
| | - Jin-Biao Liu
- Department of Chemistry, Hong Kong Baptist University Kowloon Hong Kong SAR 999077
- School of Metallurgical and Chemical Engineering, Jiangxi University of Science and Technology Ganzhou China
| | - Wanhe Wang
- Department of Chemistry, Hong Kong Baptist University Kowloon Hong Kong SAR 999077
| | - Chung-Hang Leung
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau Taipa Macau SAR 999078
| | - Dik-Lung Ma
- Department of Chemistry, Hong Kong Baptist University Kowloon Hong Kong SAR 999077
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The design of a novel near-infrared fluorescent HDAC inhibitor and image of tumor cells. Bioorg Med Chem 2020; 28:115639. [PMID: 32773090 DOI: 10.1016/j.bmc.2020.115639] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 06/30/2020] [Accepted: 07/04/2020] [Indexed: 11/21/2022]
Abstract
Histone deacetylases (HDACs) have been found to be biomarkers of cancers and the corresponding inhibitors have attracted much attention these years. Herein we reported a near-infrared fluorescent HDAC inhibitor based on vorinostat (SAHA) and a NIR fluorophore. This newly designed inhibitor showed similar inhibitory activity to SAHA against three HDAC isoforms (HDAC1, 3, 6). The western blot assay showed significant difference in compared with the negative group. When used as probe for further kinematic imaging, Probe 1 showed enhanced retention in tumor cells and the potential of HDAC inhibitors in drug delivery was firstly brought out. The cytotoxicity assay showed Probe 1 had some anti-proliferation activities with corresponding IC50 values of 9.20 ± 0.96 μM on Hela cells and 5.91 ± 0.57 μM on MDA-MB-231 cells. These results indicated that Probe 1 could be used as a potential NIR fluorescent in the study of HDAC inhibitors and lead compound for the development of visible drugs.
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18
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Hanif M, Arshad J, Astin JW, Rana Z, Zafar A, Movassaghi S, Leung E, Patel K, Söhnel T, Reynisson J, Sarojini V, Rosengren RJ, Jamieson SMF, Hartinger CG. A Multitargeted Approach: Organorhodium Anticancer Agent Based on Vorinostat as a Potent Histone Deacetylase Inhibitor. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202005758] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Muhammad Hanif
- School of Chemical Sciences University of Auckland Private Bag 92019 Auckland 1142 New Zealand
| | - Jahanzaib Arshad
- School of Chemical Sciences University of Auckland Private Bag 92019 Auckland 1142 New Zealand
| | - Jonathan W. Astin
- School of Medical Sciences University of Auckland Private Bag 92019 Auckland 1142 New Zealand
| | - Zohaib Rana
- Department of Pharmacology and Toxicology University of Otago Dunedin 9016 New Zealand
| | - Ayesha Zafar
- School of Chemical Sciences University of Auckland Private Bag 92019 Auckland 1142 New Zealand
| | - Sanam Movassaghi
- School of Chemical Sciences University of Auckland Private Bag 92019 Auckland 1142 New Zealand
| | - Euphemia Leung
- Auckland Cancer Society Research Centre University of Auckland Private Bag 92019 Auckland 1142 New Zealand
| | - Kamal Patel
- School of Chemical Sciences University of Auckland Private Bag 92019 Auckland 1142 New Zealand
| | - Tilo Söhnel
- School of Chemical Sciences University of Auckland Private Bag 92019 Auckland 1142 New Zealand
| | - Jóhannes Reynisson
- School of Pharmacy and Bioengineering Keele University Staffordshire ST5 5BG UK
| | - Vijayalekshmi Sarojini
- School of Chemical Sciences University of Auckland Private Bag 92019 Auckland 1142 New Zealand
| | - Rhonda J. Rosengren
- Department of Pharmacology and Toxicology University of Otago Dunedin 9016 New Zealand
| | - Stephen M. F. Jamieson
- Auckland Cancer Society Research Centre University of Auckland Private Bag 92019 Auckland 1142 New Zealand
| | - Christian G. Hartinger
- School of Chemical Sciences University of Auckland Private Bag 92019 Auckland 1142 New Zealand
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19
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Antitumor Activity of Pt(II), Ru(III) and Cu(II) Complexes. Molecules 2020; 25:molecules25153492. [PMID: 32751963 PMCID: PMC7435640 DOI: 10.3390/molecules25153492] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 07/29/2020] [Accepted: 07/30/2020] [Indexed: 12/25/2022] Open
Abstract
Metal complexes are currently potential therapeutic compounds. The acquisition of resistance by cancer cells or the effective elimination of cancer-affected cells necessitates a constant search for chemical compounds with specific biological activities. One alternative option is the transition metal complexes having potential as antitumor agents. Here, we present the current knowledge about the application of transition metal complexes bearing nickel(II), cobalt(II), copper(II), ruthenium(III), and ruthenium(IV). The cytotoxic properties of the above complexes causing apoptosis, autophagy, DNA damage, and cell cycle inhibition are described in this review.
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20
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Li S, Zhao J, Wang X, Xu G, Gou S, Zhao Q. Design of a Tris-Heteroleptic Ru(II) Complex with Red-Light Excitation and Remarkably Improved Photobiological Activity. Inorg Chem 2020; 59:11193-11204. [DOI: 10.1021/acs.inorgchem.0c01860] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Shuang Li
- Jiangsu Province Hi-Tech Key Laboratory for Biomedical Research and Pharmaceutical Research Center, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, People’s Republic of China
| | - Jian Zhao
- Jiangsu Province Hi-Tech Key Laboratory for Biomedical Research and Pharmaceutical Research Center, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, People’s Republic of China
- Key Laboratory for Organic Electronics and Information Displays, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications (NUPT), Nanjing 210023, People’s Republic of China
| | - Xinyi Wang
- Jiangsu Province Hi-Tech Key Laboratory for Biomedical Research and Pharmaceutical Research Center, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, People’s Republic of China
| | - Gang Xu
- Jiangsu Province Hi-Tech Key Laboratory for Biomedical Research and Pharmaceutical Research Center, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, People’s Republic of China
| | - Shaohua Gou
- Jiangsu Province Hi-Tech Key Laboratory for Biomedical Research and Pharmaceutical Research Center, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, People’s Republic of China
| | - Qiang Zhao
- Key Laboratory for Organic Electronics and Information Displays, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications (NUPT), Nanjing 210023, People’s Republic of China
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21
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Hanif M, Arshad J, Astin JW, Rana Z, Zafar A, Movassaghi S, Leung E, Patel K, Söhnel T, Reynisson J, Sarojini V, Rosengren RJ, Jamieson SMF, Hartinger CG. A Multitargeted Approach: Organorhodium Anticancer Agent Based on Vorinostat as a Potent Histone Deacetylase Inhibitor. Angew Chem Int Ed Engl 2020; 59:14609-14614. [PMID: 32431061 DOI: 10.1002/anie.202005758] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Indexed: 12/22/2022]
Abstract
The combination of more than one bioactive moiety in a multitargeted anticancer agent may result in synergistic activity of its components. Using this concept, bioorganometallic compounds were designed to feature a metal center, a 2-pyridinecarbothioamide (PCA), and a hydroxamic acid, which is found in the anticancer drug vorinostat (SAHA). The organometallics showed inhibitory activity in the nanomolar range against histone deacetylases (HDACs) as the key target for SAHA. In particular, the Rh complex was a potent inhibitor of HDAC6 over HDAC1 and HDAC8. Whereas this complex was highly cytotoxic in human cancer cells, it showed low toxicity in hemolysis studies and zebrafish, demonstrating the role of the metal center. For this complex a slightly reduced expression of vascular endothelial growth factor receptor 2 (VEGFR2) was established, which was upregulated by SAHA. This finding indicates that the new organometallics display different modes of action than their bioactive components.
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Affiliation(s)
- Muhammad Hanif
- School of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
| | - Jahanzaib Arshad
- School of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
| | - Jonathan W Astin
- School of Medical Sciences, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
| | - Zohaib Rana
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, 9016, New Zealand
| | - Ayesha Zafar
- School of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
| | - Sanam Movassaghi
- School of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
| | - Euphemia Leung
- Auckland Cancer Society Research Centre, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
| | - Kamal Patel
- School of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
| | - Tilo Söhnel
- School of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
| | - Jóhannes Reynisson
- School of Pharmacy and Bioengineering, Keele University, Staffordshire, ST5 5BG, UK
| | - Vijayalekshmi Sarojini
- School of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
| | - Rhonda J Rosengren
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, 9016, New Zealand
| | - Stephen M F Jamieson
- Auckland Cancer Society Research Centre, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
| | - Christian G Hartinger
- School of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
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22
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Nagy I, Farkas E, Kasparkova J, Kostrhunova H, Brabec V, Buglyó P. Synthesis and characterization of (Ru(II), Co(III)) heterobimetallic complexes formed with a 1,10-phenanthroline based hydroxamic acid conjugate. J Organomet Chem 2020. [DOI: 10.1016/j.jorganchem.2020.121265] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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23
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Anticancer Ruthenium Complexes with HDAC Isoform Selectivity. Molecules 2020; 25:molecules25102383. [PMID: 32455529 PMCID: PMC7287671 DOI: 10.3390/molecules25102383] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 05/13/2020] [Accepted: 05/16/2020] [Indexed: 01/08/2023] Open
Abstract
The histone deacetylase (HDAC) enzymes have emerged as an important class of molecular targets in cancer therapy, with five inhibitors in clinical use. Recently, it has been shown that a lack of selectivity between the 11 Zn-dependent HDAC isoforms may lead to unwanted side-effects. In this paper, we show that piano stool Ru complexes can act as HDAC inhibitors, and variation in the capping arene leads to differences in HDAC isoform selectivity.
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Ye R, Tan C, Chen B, Li R, Mao Z. Zinc-Containing Metalloenzymes: Inhibition by Metal-Based Anticancer Agents. Front Chem 2020; 8:402. [PMID: 32509730 PMCID: PMC7248183 DOI: 10.3389/fchem.2020.00402] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 04/16/2020] [Indexed: 01/13/2023] Open
Abstract
DNA is considered to be the primary target of platinum-based anticancer drugs which have gained great success in clinics, but DNA-targeted anticancer drugs cause serious side-effects and easily acquired drug resistance. This has stimulated the search for novel therapeutic targets. In the past few years, substantial research has demonstrated that zinc-containing metalloenzymes play a vital role in the occurrence and development of cancer, and they have been identified as alternative targets for metal-based anticancer agents. Metal complexes themselves have also exhibited a lot of appealing features for enzyme inhibition, such as: (i) the facile construction of 3D structures that can increase the enzyme-binding selectivity and affinity; (ii) the intriguing photophysical and photochemical properties, and redox activities of metal complexes can offer possibilities to design enzyme inhibitors with multiple modes of action. In this review, we discuss recent examples of zinc-containing metalloenzyme inhibition of metal-based anticancer agents, especially three zinc-containing metalloenzymes overexpressed in tumors, including histone deacetylases (HDACs), carbonic anhydrases (CAs), and matrix metalloproteinases (MMPs).
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Affiliation(s)
- Ruirong Ye
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China.,MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, China
| | - Caiping Tan
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, China
| | - Bichun Chen
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
| | - Rongtao Li
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
| | - Zongwan Mao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, China
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25
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Notaro A, Jakubaszek M, Rotthowe N, Maschietto F, Vinck R, Felder PS, Goud B, Tharaud M, Ciofini I, Bedioui F, Winter RF, Gasser G. Increasing the Cytotoxicity of Ru(II) Polypyridyl Complexes by Tuning the Electronic Structure of Dioxo Ligands. J Am Chem Soc 2020; 142:6066-6084. [DOI: 10.1021/jacs.9b12464] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
| | - Marta Jakubaszek
- Institut Curie, PSL University, CNRS, UMR 144, F-75005 Paris, France
| | - Nils Rotthowe
- Department of Chemistry, University of Konstanz, Universitätsstrasse 10, D-78457 Konstanz, Germany
| | | | | | | | - Bruno Goud
- Institut Curie, PSL University, CNRS, UMR 144, F-75005 Paris, France
| | - Mickaël Tharaud
- Université de Paris, Institut de Physique du Globe de Paris, CNRS, F-75005 Paris, France
| | | | | | - Rainer F. Winter
- Department of Chemistry, University of Konstanz, Universitätsstrasse 10, D-78457 Konstanz, Germany
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26
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Li RT, Liang Z, Li MC, Tan Y, Xie BP, Duan WJ, Ning CT, Chen JX, Sun B. Speedy, Specific, Synchronous Sensing Platforms with Ruthenium Complexes for Multiplexed MicroRNA Detection. Inorg Chem 2019; 58:15126-15137. [DOI: 10.1021/acs.inorgchem.9b01939] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Rong-Tian Li
- Guangdong Provincial Key Laboratory of New Drug Screening and Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, People’s Republic of China
| | - Zhen Liang
- Guangdong Provincial Key Laboratory of New Drug Screening and Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, People’s Republic of China
| | - Meng-Chu Li
- Guangdong Provincial Key Laboratory of New Drug Screening and Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, People’s Republic of China
| | - Yong Tan
- Guangdong Provincial Key Laboratory of New Drug Screening and Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, People’s Republic of China
| | - Bao-Ping Xie
- Guangdong Provincial Key Laboratory of New Drug Screening and Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, People’s Republic of China
| | - Wen-Jun Duan
- Guangdong Provincial Key Laboratory of New Drug Screening and Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, People’s Republic of China
| | - Chun-Tao Ning
- Department of Pharmacy, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, People’s Republic of China
| | - Jin-Xiang Chen
- Guangdong Provincial Key Laboratory of New Drug Screening and Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, People’s Republic of China
| | - Bin Sun
- Guangdong Provincial Key Laboratory of New Drug Screening and Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, People’s Republic of China
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27
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Liu J, Lai H, Xiong Z, Chen B, Chen T. Functionalization and cancer-targeting design of ruthenium complexes for precise cancer therapy. Chem Commun (Camb) 2019; 55:9904-9914. [PMID: 31360938 DOI: 10.1039/c9cc04098f] [Citation(s) in RCA: 84] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The successful clinical application of the three generation platinum anticancer drugs, cisplatin, carboplatin and oxaliplatin, has promoted research interest in metallodrugs; however, the problems of drug resistance and adverse effects have hindered their further application and effects. Thus, scientists are searching for new anticancer metallodrugs with lower toxicity and higher efficacy. The ruthenium complexes have emerged as the most promising alternatives to platinum-based anticancer agents because of their unique multifunctional biochemical properties. In this review, we first focus on the anticancer applications of various ruthenium complexes in different signaling pathways, including the mitochondria-mediated pathway, the DNA damage-mediated pathway, and the death receptor-mediated pathway. We then discuss the functionalization and cancer-targeting designs of different ruthenium complexes in conjunction with other therapies such as photodynamic therapy, photothermal therapy, radiosensitization, targeted therapy and nanotechnology for precise cancer therapy. This review will help in designing and accelerating the research progress regarding new anticancer ruthenium complexes.
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Affiliation(s)
- Jinggong Liu
- Orthopedics Department, Guangdong Provincial Hospital of Traditional Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, No. 111 Dade Road, Guangzhou 510120, China
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Ye J, Ma J, Liu C, Huang J, Wang L, Zhong X. A novel iron(II) phenanthroline complex exhibits anticancer activity against TFR1-overexpressing esophageal squamous cell carcinoma cells through ROS accumulation and DNA damage. Biochem Pharmacol 2019; 166:93-107. [PMID: 31078603 DOI: 10.1016/j.bcp.2019.05.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Accepted: 05/07/2019] [Indexed: 12/24/2022]
Abstract
Esophageal squamous cell carcinoma (ESCC) is one of the most common and aggressive cancers worldwide, especially in China, with poor prognosis due to the lack of effective therapeutic strategies. Here, the anticancer effect and pharmacological mechanism of a newly synthesized Fe(II) phenanthroline complex was studied in ESCC. Our data showed that transferrin receptor 1 (TFR1) was specifically overexpressed in ESCC tissues compared to its expression in normal esophageal tissues, a finding further supported by public datasets. The newly synthesized Fe(II) complex was selectively transported into ESCC cells overexpressing TFR1 through TFR1-mediated endocytosis and exhibited anticancer activity in a dose-dependent manner. The mechanistic study elucidated that the Fe(II) complex caused cell cycle arrest at the G0/G1 phase by blocking the CDK4/6-cyclin D1 complex and induced mitochondria-mediated apoptosis. Furthermore, exposure to the Fe(II) complex led to excessive reactive oxygen species (ROS) accumulation by thioredoxin reductase (TrxR) inhibition and DNA double-strand breaks (DSBs), which in turn sequentially activated ATM, CHK1/2 and p53. Moreover, combination treatment with cisplatin and the Fe(II) complex exhibited a synergistic effect in ESCC cells. Taken together, our results initially suggest the potential application of the Fe(II) complex in ESCC chemotherapy, especially for patients with TFR1 overexpression.
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Affiliation(s)
- Jiecheng Ye
- Department of Pathology, Medical College, Jinan University, Guangzhou 510632, China; Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou 510632, China
| | - Jiwei Ma
- Department of Pathology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - Chan Liu
- Department of Pathology, Medical College, Jinan University, Guangzhou 510632, China; Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou 510632, China
| | - Jianxian Huang
- Department of Pathology, Medical College, Jinan University, Guangzhou 510632, China; Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou 510632, China
| | - Lihui Wang
- Department of Pathology, Medical College, Jinan University, Guangzhou 510632, China; Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou 510632, China.
| | - Xueyun Zhong
- Department of Pathology, Medical College, Jinan University, Guangzhou 510632, China; Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou 510632, China.
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29
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Ko CN, Li G, Leung CH, Ma DL. Dual function luminescent transition metal complexes for cancer theranostics: The combination of diagnosis and therapy. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2018.11.013] [Citation(s) in RCA: 85] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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30
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Fleming CL, Natoli A, Schreuders J, Devlin M, Yoganantharajah P, Gibert Y, Leslie KG, New EJ, Ashton TD, Pfeffer FM. Highly fluorescent and HDAC6 selective scriptaid analogues. Eur J Med Chem 2019; 162:321-333. [DOI: 10.1016/j.ejmech.2018.11.020] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 10/28/2018] [Accepted: 11/08/2018] [Indexed: 01/18/2023]
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31
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Fu HG, Chen Y, Yu Q, Liu Y. A tumor-targeting Ru/polysaccharide/protein supramolecular assembly with high photodynamic therapy ability. Chem Commun (Camb) 2019; 55:3148-3151. [DOI: 10.1039/c8cc09964b] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A supramolecular assembly was conveniently constructed and exhibited excellent photodynamic therapy selectivity towards tumor cells and negligible toxicity towards normal cells.
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Affiliation(s)
- Hong-Guang Fu
- College of Chemistry
- State Key Laboratory of Elemento-Organic Chemistry
- Nankai University
- Tianjin 300071
- P. R. China
| | - Yong Chen
- College of Chemistry
- State Key Laboratory of Elemento-Organic Chemistry
- Nankai University
- Tianjin 300071
- P. R. China
| | - Qilin Yu
- College of Chemistry
- State Key Laboratory of Elemento-Organic Chemistry
- Nankai University
- Tianjin 300071
- P. R. China
| | - Yu Liu
- College of Chemistry
- State Key Laboratory of Elemento-Organic Chemistry
- Nankai University
- Tianjin 300071
- P. R. China
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32
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Zhou Y, Xu Y, Lu L, Ni J, Nie J, Cao J, Jiao Y, Zhang Q. Luminescent ruthenium(II) polypyridyl complexes acted as radiosensitizer for pancreatic cancer by enhancing radiation-induced DNA damage. Theranostics 2019; 9:6665-6675. [PMID: 31588242 PMCID: PMC6771246 DOI: 10.7150/thno.34015] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Accepted: 08/05/2019] [Indexed: 12/16/2022] Open
Abstract
Background: Pancreatic cancer is a highly lethal malignancy which ranks 4th most common cause of cancer death in US and 6th in China. Novel drugs are required to improve the survival and prognosis of patients. Methods: Ruthenium(II) complexes with variation number of DIP ligand were synthesized and further adopted as radiosensitizer for pancreatic cancer. The influence of ruthenium(II) complexes on cell behaviors and tumor growth were investigated. The DNA binding affinity of ruthenium(II) complexes and plasmid was measured by using agarose gel electrophoresis. Results: Luminescent ruthenium(II) complex can rapidly enter into cell nuclei and consequently combine with DNA, resulting in the enhanced DNA damage induced by X-ray irradiation. Upon intratumoral injection of ruthenium(II) complex, excellent tumor growth inhibition was accomplished under ionizing radiation of human pancreatic cancer xenograft nude mice. Conclusions: Taken together, our study suggest that the ruthenium(II) polypyridyl complexes can effectively enhance radiation-induced DNA damage, which is likely to benefit the imaging-guided cancer radio-chemotherapy.
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Affiliation(s)
- Yuyang Zhou
- School of Chemistry, Biology and Materials Engineering, Jiangsu Key Laboratory of Environmental Functional Materials, Suzhou University of Science and Technology, Suzhou, Jiangsu, 215009, P. R. China
- ✉ Corresponding authors: Prof. Yuyang Zhou, E-mail: . Prof. Yang Jiao, Tel: +86 0512-65883941, E-mail: . Prof. Qi Zhang, Tel: +86 0512-65883941,
| | - Ying Xu
- School of Radiation Medicine and Protection, State Key Laboratory of Radiation Medicine and Protection, Medical College of Soochow University, Suzhou, Jiangsu 215123, P. R. China
| | - Lunjie Lu
- Department of Radiation Physics, Qingdao Central Hospital, Qingdao, Shandong, 266000, P. R. China
| | - Jingyang Ni
- School of Chemistry, Biology and Materials Engineering, Jiangsu Key Laboratory of Environmental Functional Materials, Suzhou University of Science and Technology, Suzhou, Jiangsu, 215009, P. R. China
| | - Jihua Nie
- School of Radiation Medicine and Protection, State Key Laboratory of Radiation Medicine and Protection, Medical College of Soochow University, Suzhou, Jiangsu 215123, P. R. China
| | - Jianping Cao
- School of Radiation Medicine and Protection, State Key Laboratory of Radiation Medicine and Protection, Medical College of Soochow University, Suzhou, Jiangsu 215123, P. R. China
| | - Yang Jiao
- School of Radiation Medicine and Protection, State Key Laboratory of Radiation Medicine and Protection, Medical College of Soochow University, Suzhou, Jiangsu 215123, P. R. China
- ✉ Corresponding authors: Prof. Yuyang Zhou, E-mail: . Prof. Yang Jiao, Tel: +86 0512-65883941, E-mail: . Prof. Qi Zhang, Tel: +86 0512-65883941,
| | - Qi Zhang
- School of Radiation Medicine and Protection, State Key Laboratory of Radiation Medicine and Protection, Medical College of Soochow University, Suzhou, Jiangsu 215123, P. R. China
- ✉ Corresponding authors: Prof. Yuyang Zhou, E-mail: . Prof. Yang Jiao, Tel: +86 0512-65883941, E-mail: . Prof. Qi Zhang, Tel: +86 0512-65883941,
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33
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He SF, Chen BB, Hao YH, Chen JX, Song XD, Mei J, Chen WX, Sun J. Synthesis, characterization and anticancer activity of two Ru(II) polypyridyl complexes [Ru(dpq)2L](PF6)2 (L = maip, paip). Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2018.05.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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34
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Pal M, Nandi U, Mukherjee D. Detailed account on activation mechanisms of ruthenium coordination complexes and their role as antineoplastic agents. Eur J Med Chem 2018; 150:419-445. [DOI: 10.1016/j.ejmech.2018.03.015] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Revised: 03/02/2018] [Accepted: 03/03/2018] [Indexed: 10/17/2022]
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35
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Poynton FE, Bright SA, Blasco S, Williams DC, Kelly JM, Gunnlaugsson T. The development of ruthenium(ii) polypyridyl complexes and conjugates for in vitro cellular and in vivo applications. Chem Soc Rev 2018; 46:7706-7756. [PMID: 29177281 DOI: 10.1039/c7cs00680b] [Citation(s) in RCA: 284] [Impact Index Per Article: 47.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Ruthenium(ii) [Ru(ii)] polypyridyl complexes have been the focus of intense investigations since work began exploring their supramolecular interactions with DNA. In recent years, there have been considerable efforts to translate this solution-based research into a biological environment with the intention of developing new classes of probes, luminescent imaging agents, therapeutics and theranostics. In only 10 years the field has expanded with diverse applications for these complexes as imaging agents and promising candidates for therapeutics. In light of these efforts this review exclusively focuses on the developments of these complexes in biological systems, both in cells and in vivo, and hopes to communicate to readers the diversity of applications within which these complexes have found use, as well as new insights gained along the way and challenges that researchers in this field still face.
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Affiliation(s)
- Fergus E Poynton
- School of Chemistry and Trinity Biomedical Sciences Institute (TBSI), Trinity College Dublin, The University of Dublin, Dublin 2, Ireland.
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36
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A comparative study on in vitro cytotoxicity, cellular uptake, localization and apoptosis-inducing mechanism of two ruthenium(II) complexes. TRANSIT METAL CHEM 2018. [DOI: 10.1007/s11243-018-0203-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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37
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Ho YH, Wang KJ, Hung PY, Cheng YS, Liu JR, Fung ST, Liang PH, Chern JW, Yu CW. A highly HDAC6-selective inhibitor acts as a fluorescent probe. Org Biomol Chem 2018; 16:7820-7832. [DOI: 10.1039/c8ob00966j] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
HDAC6 receives great attention because of its therapeutic potential for the treatment of various diseases.
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Affiliation(s)
- Yi-Hsun Ho
- School of Pharmacy
- College of Medicine
- and Center for Innovative Therapeutics Discovery
- National Taiwan University
- Taipei 100
| | - Kuang-Jui Wang
- School of Pharmacy
- College of Medicine
- and Center for Innovative Therapeutics Discovery
- National Taiwan University
- Taipei 100
| | | | - Yi-Sheng Cheng
- Institute of Plant Biology
- College of Life Science
- National Taiwan University
- Taipei 106
- Taiwan
| | - Jia-Rong Liu
- School of Pharmacy
- College of Medicine
- and Center for Innovative Therapeutics Discovery
- National Taiwan University
- Taipei 100
| | - Sheang-Tze Fung
- School of Pharmacy
- College of Medicine
- and Center for Innovative Therapeutics Discovery
- National Taiwan University
- Taipei 100
| | - Pi-Hui Liang
- School of Pharmacy
- College of Medicine
- and Center for Innovative Therapeutics Discovery
- National Taiwan University
- Taipei 100
| | - Ji-Wang Chern
- School of Pharmacy
- College of Medicine
- and Center for Innovative Therapeutics Discovery
- National Taiwan University
- Taipei 100
| | - Chao-Wu Yu
- School of Pharmacy
- College of Medicine
- and Center for Innovative Therapeutics Discovery
- National Taiwan University
- Taipei 100
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38
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Li F, Chen Q, Cai Z, Lin F, Xu W, Wang Y, Chen X. Fluorescent carbon nanodots facilely extracted from Coca Cola for temperature sensing. Methods Appl Fluoresc 2017. [PMID: 28627497 DOI: 10.1088/2050-6120/aa7a28] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A novel method for the fabrication of carbon nanodots (CDs) is introduced: extracting CDs from the well-known soft drink Coca Cola via dialysis. The obtained CDs are of good monodispersity with a narrow size distribution (average diameter of 3.0 nm), good biocompatibility, high solubility (about 180 mg ml-1) and stable fluorescence even at a high salt concentration. Furthermore, they are sensitive to the temperature change with a linear relationship between the fluorescence intensity and temperature from 5 °C-95 °C. The CDs have been applied in high stable temperature sensing. This protocol is quite simple, green, cost-effective and technologically simple, which might be used for a range of applications including sensing, catalysts, drug and gene delivery, and so on.
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Affiliation(s)
- Feiming Li
- Department of Chemistry and the MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, People's Republic of China. College of Chemistry and Environment, Minnan Normal University, Zhangzhou, 363000, People's Republic of China
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39
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Ye RR, Cao JJ, Tan CP, Ji LN, Mao ZW. Valproic Acid-Functionalized Cyclometalated Iridium(III) Complexes as Mitochondria-Targeting Anticancer Agents. Chemistry 2017; 23:15166-15176. [DOI: 10.1002/chem.201703157] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2017] [Revised: 08/14/2017] [Indexed: 12/12/2022]
Affiliation(s)
- Rui-Rong Ye
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry; School of Chemistry and Chemical Engineering; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Jian-Jun Cao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry; School of Chemistry and Chemical Engineering; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Cai-Ping Tan
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry; School of Chemistry and Chemical Engineering; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Liang-Nian Ji
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry; School of Chemistry and Chemical Engineering; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Zong-Wan Mao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry; School of Chemistry and Chemical Engineering; Sun Yat-Sen University; Guangzhou 510275 P. R. China
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40
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Zeng L, Gupta P, Chen Y, Wang E, Ji L, Chao H, Chen ZS. The development of anticancer ruthenium(ii) complexes: from single molecule compounds to nanomaterials. Chem Soc Rev 2017; 46:5771-5804. [PMID: 28654103 PMCID: PMC5624840 DOI: 10.1039/c7cs00195a] [Citation(s) in RCA: 710] [Impact Index Per Article: 101.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Cancer is rapidly becoming the top killer in the world. Most of the FDA approved anticancer drugs are organic molecules, while metallodrugs are very scarce. The advent of the first metal based therapeutic agent, cisplatin, launched a new era in the application of transition metal complexes for therapeutic design. Due to their unique and versatile biochemical properties, ruthenium-based compounds have emerged as promising anti-cancer agents that serve as alternatives to cisplatin and its derivertives. Ruthenium(iii) complexes have successfully been used in clinical research and their mechanisms of anticancer action have been reported in large volumes over the past few decades. Ruthenium(ii) complexes have also attracted significant attention as anticancer candidates; however, only a few of them have been reported comprehensively. In this review, we discuss the development of ruthenium(ii) complexes as anticancer candidates and biocatalysts, including arene ruthenium complexes, polypyridyl ruthenium complexes, and ruthenium nanomaterial complexes. This review focuses on the likely mechanisms of action of ruthenium(ii)-based anticancer drugs and the relationship between their chemical structures and biological properties. This review also highlights the catalytic activity and the photoinduced activation of ruthenium(ii) complexes, their targeted delivery, and their activity in nanomaterial systems.
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Affiliation(s)
- Leli Zeng
- College of Pharmacy and Health Sciences, St. John's University, New York, NY 11439, USA.
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41
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Ocasio CA, Sansook S, Jones R, Roberts JM, Scott TG, Tsoureas N, Coxhead P, Guille M, Tizzard GJ, Coles SJ, Hochegger H, Bradner JE, Spencer J. Pojamide: An HDAC3-Selective Ferrocene Analogue with Remarkably Enhanced Redox-Triggered Ferrocenium Activity in Cells. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00437] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Cory A. Ocasio
- Genome
Damage and Stability Centre, School of Life Sciences, University of Sussex, Falmer, Brighton BN1 9RQ, U.K
| | - Supojjanee Sansook
- Department
of Chemistry, School of Life Sciences, University of Sussex, Falmer, Brighton BN1 9QJ, U.K
| | - Rhiannon Jones
- Department
of Chemistry, School of Life Sciences, University of Sussex, Falmer, Brighton BN1 9QJ, U.K
| | - Justin M. Roberts
- Department
of Medical Oncology, Dana-Farber Cancer Institute, 360 Longwood Avenue, Boston, Massachusetts 02215, United States
| | - Thomas G. Scott
- Department
of Medical Oncology, Dana-Farber Cancer Institute, 360 Longwood Avenue, Boston, Massachusetts 02215, United States
| | - Nikolaos Tsoureas
- Department
of Chemistry, School of Life Sciences, University of Sussex, Falmer, Brighton BN1 9QJ, U.K
| | - Peter Coxhead
- School
of Biological Sciences, University of Portsmouth, King Henry Building, Portsmouth PO1 2DT, U.K
| | - Matthew Guille
- School
of Biological Sciences, University of Portsmouth, King Henry Building, Portsmouth PO1 2DT, U.K
| | - Graham J. Tizzard
- UK
National Crystallography Service, School of Chemistry, University of Southampton, Highfield Campus, Southampton SO17 1BJ, U.K
| | - Simon J. Coles
- UK
National Crystallography Service, School of Chemistry, University of Southampton, Highfield Campus, Southampton SO17 1BJ, U.K
| | - Helfrid Hochegger
- Genome
Damage and Stability Centre, School of Life Sciences, University of Sussex, Falmer, Brighton BN1 9RQ, U.K
| | - James E. Bradner
- Department
of Medical Oncology, Dana-Farber Cancer Institute, 360 Longwood Avenue, Boston, Massachusetts 02215, United States
| | - John Spencer
- Department
of Chemistry, School of Life Sciences, University of Sussex, Falmer, Brighton BN1 9QJ, U.K
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42
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Łomzik M, Mazuryk O, Rutkowska-Zbik D, Stochel G, Gros PC, Brindell M. New ruthenium compounds bearing semicarbazone 2-formylopyridine moiety: Playing with auxiliary ligands for tuning the mechanism of biological activity. J Inorg Biochem 2017; 175:80-91. [PMID: 28738277 DOI: 10.1016/j.jinorgbio.2017.07.006] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 07/04/2017] [Accepted: 07/09/2017] [Indexed: 01/18/2023]
Abstract
Two ruthenium(II) complexes Ru1 and Ru2 bearing as a one ligand 2,2'-bipyridine substituted by a semicarbazone 2-formylopyridine moiety (bpySC: 5-(4-{4'-methyl-[2,2'-bipyridine]-4-yl}but-1-yn-1-yl)pyridine-2-carbaldehyde semicarbazone) and as the others 2,2'-bipyridine (bpy) and 4,7-diphenyl-1,10-phenanthroline (dip), respectively, as auxiliary ligands have been prepared. Their biological activity has been studied on murine colon carcinoma (CT26) and human lung adenocarcinoma (A549) cell lines. The anti-proliferative activity was dependent on the presence of bpy or dip in the complex, with one order of magnitude higher cytotoxicity for Ru2 (dip ligands). Ru1 (bpy ligands) exhibited a distinct increase in cytotoxicity going from 24 to 72h of incubation with cells as was not observed for Ru2. Even though both studied compounds were powerful apoptosis inducing agents, the mechanism of their action was entirely different. Ru1-incubated A549 cells showed a notable increase in cells number in the S-phase of the cell cycle, with concomitant decrease in the G2/M phase, while Ru2 promoted a cell accumulation in the G0/G1 phase. In contrast, Ru1 induced marginal oxidative stress in A549 cell lines even upon increasing the incubation time. Even though Ru1 preferably accumulated in lysosomes it triggered the apoptotic cellular death via an intrinsic mitochondrial pathway. Ru1-incubated A549 cells showed swelling and enlarging of the mitochondria. It was not observed in case of Ru2 for which mitochondria and endoplasmic reticulum were found as primarily localization site. Despite this the apoptosis induced by Ru2 was caspase-independent. All these findings point to a pronounced role of auxiliary ligands in tuning the mode of biological activity.
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Affiliation(s)
- Michał Łomzik
- Department of Inorganic Chemistry, Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland; Université de Lorraine, CNRS, UMR SRSMC, HecRIn, Boulevard des Aiguillettes, Vandoeuvre-Lès-Nancy, France
| | - Olga Mazuryk
- Department of Inorganic Chemistry, Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland
| | - Dorota Rutkowska-Zbik
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, Niezapominajek 8, 30-239 Krakow, Poland
| | - Grażyna Stochel
- Department of Inorganic Chemistry, Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland
| | - Philippe C Gros
- Université de Lorraine, CNRS, UMR SRSMC, HecRIn, Boulevard des Aiguillettes, Vandoeuvre-Lès-Nancy, France.
| | - Małgorzata Brindell
- Department of Inorganic Chemistry, Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland.
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43
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Liao G, Ye Z, Liu Y, Fu B, Fu C. Octahedral ruthenium (II) polypyridyl complexes as antimicrobial agents against mycobacterium. PeerJ 2017; 5:e3252. [PMID: 28462049 PMCID: PMC5410163 DOI: 10.7717/peerj.3252] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Accepted: 03/30/2017] [Indexed: 01/01/2023] Open
Abstract
Tuberculosis is one of the world’s deadliest infectious disease with 1.5 millions deaths annually. It is imperative to discover novel compounds with potent activity against M. tuberculosis. In this study, susceptibilities of M. smegmatis to the octahedral ruthenium(II) polypyridyl complexes, 1 {[(bpy)3Ru] (PF6)2 (bpy = 2,2′-bipyridine)}, 2 {[(phen)2Ru(dppz)](PF6)2 (phen = 1,10-phenanthroline, dppz = dipyridophenazine)} and 3 {[(phen)3Ru](PF6)2} were measured by broth microdilution and reported as the MIC values. Toxicities of complex 3 to LO2 and hepG2 cell lines were also measured. Complex 2 inhibited the growth of M. smegmatis with MIC value of 2 µg/mL, while complex 3 was bactericidal with MIC value of 26 µg/mL. Furthermore, the bactericidal activity of complex 3 was dependent on reactive oxygen species production. Complex 3 showed no cytotoxicity against LO2 and hepG2 cell lines at concentration as high as 64 µg/mL, paving the way for further optimization and development as a novel antibacterial agent for the treatment of M. tuberculosis infection.
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Affiliation(s)
- Guojian Liao
- College of Pharmaceutical Sciences, Southwest University, Chongqing, China
| | - Zhengyuan Ye
- College of Pharmaceutical Sciences, Southwest University, Chongqing, China
| | - Yunlu Liu
- College of Pharmaceutical Sciences, Southwest University, Chongqing, China
| | - Bin Fu
- College of Pharmaceutical Sciences, Southwest University, Chongqing, China
| | - Chen Fu
- College of Pharmaceutical Sciences, Southwest University, Chongqing, China
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44
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Ma J, Li N, Zhao J, Lu J, Ma Y, Zhu Q, Dong Z, Liu K, Ming L. Histone deacetylase inhibitor trichostatin A enhances the antitumor effect of the oncolytic adenovirus H101 on esophageal squamous cell carcinoma in vitro and in vivo. Oncol Lett 2017; 13:4868-4874. [PMID: 28599488 DOI: 10.3892/ol.2017.6069] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Accepted: 01/10/2017] [Indexed: 12/26/2022] Open
Abstract
Replication-selective oncolytic virotherapy provides a novel modality to treat cancer by inducing cell death in tumor cells but not in normal cells. However, the utilization of oncolytic viruses as a stand-alone treatment is problematic due to their poor transduction efficiency in vivo. H101 was the first oncolytic adenovirus (Ads) to be approved by the Chinese FDA, and exhibits modest antitumor effects when applied as a single agent. The multiple histone deacetylase inhibitor trichostatin A (TSA) has been demonstrated to potently enhance the spread and replication of oncolytic Ads in several infection-resistant types of cancer. The present study aimed to investigate the antitumor effects of H101 in combination with TSA on esophageal squamous cell carcinoma (ESCC) in vitro and in vivo, and determine the mechanisms underlying these effects. H101 and TSA in combination increased the survival of mice harboring human ESCC cell line-tumor xenografts, as compared with mice treated with these agents individually. Therefore, TSA may enhance the antitumor effects of H101 in ESCC.
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Affiliation(s)
- Junfen Ma
- Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Nan Li
- Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Jimin Zhao
- Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, P.R. China
| | - Jing Lu
- Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, P.R. China
| | - Yanqiu Ma
- Department of Obstetrics and Gynecology, Huaihe Hospital of Henan University, Kaifeng, Henan 475001, P.R. China
| | - Qinghua Zhu
- Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Ziming Dong
- Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, P.R. China
| | - Kangdong Liu
- Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, P.R. China
| | - Liang Ming
- Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
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45
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Discovery of an Octahedral Silicon Complex as a Potent Antifungal Agent. Molecules 2017; 22:molecules22040637. [PMID: 28420136 PMCID: PMC6154614 DOI: 10.3390/molecules22040637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2017] [Revised: 04/05/2017] [Accepted: 04/12/2017] [Indexed: 11/21/2022] Open
Abstract
Octahedral transition metal complexes have been shown to have tremendous applications in chemical biology and medicinal chemistry. Meanwhile, structural transition metals can be replaced by inert octahedral silicon in a proof-of-principle study. We here introduce the first example of octahedral silicon complexes, which can very well serve as an efficient antimicrobial agent. The typical silicon arenediolate complex 1 {[(phen)2Si(OO)](PF6)2, with phen = 1,10-phenanthroline, OO = 9,10-phenanthrenediolate} exhibited significant inhibition towards the growth of Cryptococcus neoformans with MIC and MFC values of 4.5 and 11.3 μM, respectively. Moreover, it was fungicidal against both proliferative and quiescent Cryptococcus cells. This work may set the stage for the development of novel antifungal drugs based upon hexacoodinate silicon scaffolds.
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46
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Gao M, Yu F, Lv C, Choo J, Chen L. Fluorescent chemical probes for accurate tumor diagnosis and targeting therapy. Chem Soc Rev 2017; 46:2237-2271. [DOI: 10.1039/c6cs00908e] [Citation(s) in RCA: 527] [Impact Index Per Article: 75.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
This review focuses on small molecular ligand-targeted fluorescent imaging probes and fluorescent theranostics, including their design strategies and applications in clinical tumor treatment.
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Affiliation(s)
- Min Gao
- Key Laboratory of Coastal Environmental Processes and Ecological Remediation
- Yantai Institute of Coastal Zone Research
- Chinese Academy of Sciences
- Yantai 264003
- China
| | - Fabiao Yu
- Key Laboratory of Coastal Environmental Processes and Ecological Remediation
- Yantai Institute of Coastal Zone Research
- Chinese Academy of Sciences
- Yantai 264003
- China
| | - Changjun Lv
- Department of Respiratory Medicine
- Affiliated Hospital of Binzhou Medical University
- Binzhou 256603
- China
| | - Jaebum Choo
- Department of Bionano Engineering
- Hanyang University
- Ansan 426-791
- South Korea
| | - Lingxin Chen
- Key Laboratory of Coastal Environmental Processes and Ecological Remediation
- Yantai Institute of Coastal Zone Research
- Chinese Academy of Sciences
- Yantai 264003
- China
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47
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Wu N, Cao JJ, Wu XW, Tan CP, Ji LN, Mao ZW. Iridium(iii) complexes with five-membered heterocyclic ligands for combined photodynamic therapy and photoactivated chemotherapy. Dalton Trans 2017; 46:13482-13491. [DOI: 10.1039/c7dt02477k] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
In this work, three iridium(iii) complexes were investigated as combined photodynamic and photoactivated chemotherapeutic agents.
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Affiliation(s)
- Na Wu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- P. R. China
| | - Jian-Jun Cao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- P. R. China
| | - Xiao-Wen Wu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- P. R. China
| | - Cai-Ping Tan
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- P. R. China
| | - Liang-Nian Ji
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- P. R. China
| | - Zong-Wan Mao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- P. R. China
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48
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Yang J, Cao Q, Hu WL, Ye RR, He L, Ji LN, Qin PZ, Mao ZW. Theranostic TEMPO-functionalized Ru(ii) complexes as photosensitizers and oxidative stress indicators. Dalton Trans 2017; 46:445-454. [DOI: 10.1039/c6dt04028d] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
New TEMPO-functionalized Ru(ii) polypyridyl complexes displayed greatly improved PDT efficacy, capable of simultaneously monitoring cellular oxidative stress during photodynamic therapy.
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Affiliation(s)
- Jing Yang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry and Chemical Engineering
- Sun Yat-Sen University
- Guangzhou 510275
- China
| | - Qian Cao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry and Chemical Engineering
- Sun Yat-Sen University
- Guangzhou 510275
- China
| | - Wei-Liang Hu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry and Chemical Engineering
- Sun Yat-Sen University
- Guangzhou 510275
- China
| | - Rui-Rong Ye
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry and Chemical Engineering
- Sun Yat-Sen University
- Guangzhou 510275
- China
| | - Liang He
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry and Chemical Engineering
- Sun Yat-Sen University
- Guangzhou 510275
- China
| | - Liang-Nian Ji
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry and Chemical Engineering
- Sun Yat-Sen University
- Guangzhou 510275
- China
| | - Peter Z. Qin
- Department of Chemistry
- University of Southern California
- Los Angeles
- USA
| | - Zong-Wan Mao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry and Chemical Engineering
- Sun Yat-Sen University
- Guangzhou 510275
- China
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49
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Xue SS, Tan CP, Chen MH, Cao JJ, Zhang DY, Ye RR, Ji LN, Mao ZW. Tumor-targeted supramolecular nanoparticles self-assembled from a ruthenium-β-cyclodextrin complex and an adamantane-functionalized peptide. Chem Commun (Camb) 2017; 53:842-845. [DOI: 10.1039/c6cc08296c] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A supramolecular strategy was presented to form water-soluable Ru(ii) nanoparticles. The particles can induce cell death in integrin αvβ3-rich tumor cells with high selectivity.
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Affiliation(s)
- Shan-Shan Xue
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- P. R. China
| | - Cai-Ping Tan
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- P. R. China
| | - Mu-He Chen
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- P. R. China
| | - Jian-Jun Cao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- P. R. China
| | - Dong-Yang Zhang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- P. R. China
| | - Rui-Rong Ye
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- P. R. China
| | - Liang-Nian Ji
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- P. R. China
| | - Zong-Wan Mao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- P. R. China
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50
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Ester-Modified Cyclometalated Iridium(III) Complexes as Mitochondria-Targeting Anticancer Agents. Sci Rep 2016; 6:38954. [PMID: 27958338 PMCID: PMC5154195 DOI: 10.1038/srep38954] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Accepted: 11/14/2016] [Indexed: 12/11/2022] Open
Abstract
Organometallic iridium complexes are potent anticancer candidates which act through different mechanisms from cisplatin-based chemotherapy regimens. Here, ten phosphorescent cyclometalated iridium(III) complexes containing 2,2'-bipyridine-4,4'-dicarboxylic acid and its diester derivatives as ligands are designed and synthesized. The modification by ester group, which can be hydrolysed by esterase, facilitates the adjustment of drug-like properties. The quantum yields and emission lifetimes are influenced by variation of the ester substituents on the Ir(III) complexes. The cytotoxicity of these Ir(III) complexes is correlated with the length of their ester groups. Among them, 4a and 4b are found to be highly active against a panel of cancer cells screened, including cisplatin-resistant cancer cells. Mechanism studies in vitro indicate that they undergo hydrolysis of ester bonds, accumulate in mitochondria, and induce a series of cell-death related events mediated by mitochondria. Furthermore, 4a and 4b can induce pro-death autophagy and apoptosis simultaneously. Our study indicates that ester modification is a simple and feasible strategy to enhance the anticancer potency of Ir(III) complexes.
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