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Kazemi Z, Moini N, Rudbari HA, Micale N. A comprehensive review on the development of chiral Cu, Ni, and Zn complexes as pharmaceutical agents over the past decades: Synthesis, molecular structure and biological activity. Med Res Rev 2025; 45:654-754. [PMID: 39297288 DOI: 10.1002/med.22083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 07/09/2024] [Accepted: 08/25/2024] [Indexed: 02/06/2025]
Abstract
Chirality is a fundamental and widespread geometric structural property in living organisms that most biomacromolecules including nucleic acids, proteins and enzymes, possess. Consequently, the development of chiral drugs capable of binding specific targets have gradually gained wide attention in recent decades due to their selective effects on a broad spectrum of biological events ranging from cell metabolism to cell fate. In this context, the synthesis of chiral compounds as promising therapeutic candidates has assumed a major role in drug discovery. Among them, chiral metal complexes have attracted considerable interest due to their unique and intriguing structural features that could enable overcoming side effects and drug-resistance phenomena of metal-based drugs currently in the market such as cisplatin. In the current scenario, an in-depth overview of non-platinum chiral complexes needs to be presented and carried forward. Therefore, in this perspective article, an update of the scientific development of bioactive chiral copper, zinc and nickel complexes have been reported since they have not been thoroughly reviewed so far. Specifically, we focused the article mainly on metal complexes containing chiral ligands (type 2 chirality) as in literature they are more numerous than those with chirality at the metal center (type 1 chirality). Herein, not only their biological activity but also their mechanism of action is summarized. Furthermore, in the final section of the article we have highlighted copper-based complexes as those with a superior biological activity profile and greater prospects for development as a drug.
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Affiliation(s)
- Zahra Kazemi
- Department of Chemistry, University of Isfahan, Isfahan, Iran
| | - Nakisa Moini
- Department of Inorganic Chemistry, Faculty of Chemistry, Alzahra University, Tehran, Iran
| | | | - Nicola Micale
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
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2
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Abd-El-Aziz A, Li Z, Zhang X, Elnagdy S, Mansour MS, ElSherif A, Ma N, Abd-El-Aziz AS. Advances in Coordination Chemistry of Schiff Base Complexes: A Journey from Nanoarchitectonic Design to Biomedical Applications. Top Curr Chem (Cham) 2025; 383:8. [PMID: 39900838 DOI: 10.1007/s41061-025-00489-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2024] [Accepted: 01/09/2025] [Indexed: 02/05/2025]
Abstract
Since the discovery of Schiff bases over one and a half centuries ago, there has been tremendous research activity in the design of various Schiff bases and examination of their diverse structures and versatile applications. This family of compounds has continued to captivate many research groups due to the simplicity of their synthesis through the condensation of amines with carbonyl compounds. While conventional synthesis has been the most widely used, green synthetic methodologies have been also explored for this reaction, including sonication, microwave-assisted, natural acid-catalyzed and mechanochemical syntheses as well as utilizing ionic liquid solvents or deep eutectic solvents. Schiff bases have been utilized as excellent ligands for coordination to transition metals and late transition metals (lanthanides and actinides). These Schiff base compounds can be mono-, di-, or polydentate ligands. The aim of this review is to examine the biological applications of Schiff base complexes over the past decade with particular focus on their antimicrobial, antiviral, anticancer, antidiabetic, and anti-inflammatory activity. Schiff base complexes have been found effective in combating bacterial and fungal infections with numerous examples in the literature. The review addressed this area by focusing on the very recent examples while using tables to summarize the vast breadth of research according to the metallic moieties. Viruses have continued to be a target of many researchers in light of their continuous mutations and impact on human health, and therefore some examples of Schiff base complexes with antiviral activity are described. Cancer continues to be among the leading causes of death worldwide. In this article, the use of Schiff base complexes for, and the mechanisms associated with, their anticancer activity are highlighted. The production of reactive oxygen species (ROS) or intercalation with DNA base pairs leading to cell cycle arrest were the main mechanisms described. While there have been some efforts made to use Schiff base complexes as antidiabetic or anti-inflammatory agents, there are limited examples when compared with antimicrobial and anticancer studies. The conclusion of this review highlights the emerging areas of research and future perspectives with an emphasis on the potential uses of Schiff bases in the treatment of infectious and noninfectious diseases.
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Affiliation(s)
- Ahmad Abd-El-Aziz
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, China
- Qingdao Innovation and Development Center, Harbin Engineering University, Qingdao, 266400, China
| | - Zexuan Li
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, China
- Qingdao Innovation and Development Center, Harbin Engineering University, Qingdao, 266400, China
| | - Xinyue Zhang
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, China
- Qingdao Innovation and Development Center, Harbin Engineering University, Qingdao, 266400, China
| | - Sherif Elnagdy
- Department of Botany and Microbiology, Faculty of Science, Cairo University, Giza, Egypt
| | - Mohamed S Mansour
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
| | - Ahmed ElSherif
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
| | - Ning Ma
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, China
- Qingdao Innovation and Development Center, Harbin Engineering University, Qingdao, 266400, China
| | - Alaa S Abd-El-Aziz
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, China.
- Qingdao Innovation and Development Center, Harbin Engineering University, Qingdao, 266400, China.
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3
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Chen B, Liu J. Mechanisms associated with cuproptosis and implications for ovarian cancer. J Inorg Biochem 2024; 257:112578. [PMID: 38797108 DOI: 10.1016/j.jinorgbio.2024.112578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 04/08/2024] [Accepted: 04/23/2024] [Indexed: 05/29/2024]
Abstract
Ovarian cancer, a profoundly fatal gynecologic neoplasm, exerts a substantial economic strain on nations globally. The formidable challenge of its frequent relapse necessitates the exploration of novel cytotoxic agents, efficacious antineoplastic medications with minimal adverse effects, and strategies to surmount resistance to primary chemotherapeutic agents. These endeavors aim to supplement extant pharmacological interventions and elucidate molecular mechanisms underlying induced cytotoxicity, distinct from conventional therapeutic modalities. Recent scientific research has unveiled a novel form of cellular demise, known as copper-death, which is contingent upon the intracellular concentration of copper. Diverging from conventional mechanisms of cellular demise, copper-death exhibits a pronounced reliance on mitochondrial respiration, particularly the tricarboxylic acid (TCA) cycle. Tumor cells manifest distinctive metabolic profiles and elevated copper levels in comparison to their normal counterparts. The advent of copper-death presents alluring possibilities for targeted therapeutic interventions within the realm of cancer treatment. Hence, the primary objective of this review is to present an overview of the proteins and intricate mechanisms associated with copper-induced cell death, while providing a comprehensive summary of the knowledge acquired regarding potential therapeutic approaches for ovarian cancer. These findings will serve as valuable references to facilitate the advancement of customized therapeutic interventions for ovarian cancer.
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Affiliation(s)
- Biqing Chen
- The Second Hospital of Jilin University, Changchun, China
| | - Jiaqi Liu
- The Second Hospital of Jilin University, Changchun, China.
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4
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Gomes RN, Silva ML, Gomes KS, Lago JHG, Cerchiaro G. Synthesis, characterization, and cytotoxic effects of new copper complexes using Schiff-base derivatives from natural sources. J Inorg Biochem 2024; 250:112401. [PMID: 37864881 DOI: 10.1016/j.jinorgbio.2023.112401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 09/28/2023] [Accepted: 10/11/2023] [Indexed: 10/23/2023]
Abstract
Copper(II) complexes are interesting for cancer treatment due to their unique properties, including their redox potential, possible coordination structures with different ligands, the most diverse geometries, and different biomolecule reactivity. The present work synthesized new copper(II) complexes with Schiff-base (imine) type ligands using natural aldehydes such as cinnamaldehyde, vanillin, or ethyl vanillin. The ligands were obtained through the reaction of these aldehydes with the amines 1,3-diaminopropane, 2,2-dimethyl-1,3-propanediamine, or 1,3-diamino-2-propanol and characterized by 1H and 13C NMR, FTIR and ESI-HRMS. The complexation reaction used copper(II) as perchlorate salt, obtaining six new copper(II) complexes. The complexes were characterized using FTIR, UV-vis, elemental analysis, ESI-HRMS, and EPR. In addition, the interaction with the copper(II) complexes and serum albumin was investigated by electronic absorption, showing complex incorporation in the albumin structure. The cytotoxicity of the complexes was evaluated using MTT assay in neuroblastoma cell lines SH-SY5Y, CHP 212, and glioblastoma LN-18, and presented EC50 values between 90 and 300 μM. Based on our results, a square-planar copper(II) complex derived from Schiff-base cinnamaldehyde was found here to possess significant potential as an anti-cancer treatment. Further investigation is required to explore this compound's benefits in cancer co-treatment approaches fully.
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Affiliation(s)
- Rafael N Gomes
- Metal Biochemistry and Oxidative Stress Laboratory, Center for Natural Sciences and Humanities, Federal University of ABC - UFABC, 09210-580 Santo André, SP, Brazil
| | - Matheus L Silva
- Laboratory of Bioorganic Chemistry, Center for Natural Sciences and Humanities, Federal University of ABC - UFABC, 09210-580 Santo André, SP, Brazil
| | - Kaio S Gomes
- Laboratory of Bioorganic Chemistry, Center for Natural Sciences and Humanities, Federal University of ABC - UFABC, 09210-580 Santo André, SP, Brazil
| | - João H G Lago
- Laboratory of Bioorganic Chemistry, Center for Natural Sciences and Humanities, Federal University of ABC - UFABC, 09210-580 Santo André, SP, Brazil
| | - Giselle Cerchiaro
- Metal Biochemistry and Oxidative Stress Laboratory, Center for Natural Sciences and Humanities, Federal University of ABC - UFABC, 09210-580 Santo André, SP, Brazil.
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Cetin MM, Peng W, Unruh D, Mayer MF, Mechref Y, Yelekci K. Design, synthesis, molecular modeling, and bioactivity evaluation of 1,10-phenanthroline and prodigiosin (Ps) derivatives and their Copper(I) complexes against mTOR and HDAC enzymes as highly potent and effective new anticancer therapeutic drugs. Front Pharmacol 2022; 13:980479. [PMID: 36267272 PMCID: PMC9578020 DOI: 10.3389/fphar.2022.980479] [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: 06/28/2022] [Accepted: 08/15/2022] [Indexed: 11/13/2022] Open
Abstract
Breast cancer is the second type of cancer with a high probability of brain metastasis and has always been one of the main problems of breast cancer research due to the lack of effective treatment methods. Demand for developing an effective drug against breast cancer brain metastasis and finding molecular mechanisms that play a role in effective treatment are gradually increasing. However, there is no effective anticancer therapeutic drug or treatment method specific to breast cancer, in particular, for patients with a high risk of brain metastases. It is known that mTOR and HDAC enzymes play essential roles in the development of breast cancer brain metastasis. Therefore, it is vital to develop some new drugs and conduct studies toward the inhibition of these enzymes that might be a possible solution to treat breast cancer brain metastasis. In this study, a series of 1,10-phenanthroline and Prodigiosin derivatives consisting of their copper(I) complexes have been synthesized and characterized. Their biological activities were tested in vitro on six different cell lines (including the normal cell line). To obtain additional parallel validations of the experimental data, some in silico modeling studies were carried out with mTOR and HDAC1 enzymes, which are very crucial drug targets, to discover novel and potent drugs for breast cancer and related brain metastases disease.
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Affiliation(s)
- M. Mustafa Cetin
- Department of Molecular Biology and Genetics, Faculty of Engineering and Natural Sciences, Kadir Has University, Istanbul, Turkey
- *Correspondence: M. Mustafa Cetin, ; Kemal Yelekci, ; Yehia Mechref,
| | - Wenjing Peng
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, United States
| | - Daniel Unruh
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, United States
| | - Michael F. Mayer
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, United States
| | - Yehia Mechref
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, United States
- *Correspondence: M. Mustafa Cetin, ; Kemal Yelekci, ; Yehia Mechref,
| | - Kemal Yelekci
- Department of Molecular Biology and Genetics, Faculty of Engineering and Natural Sciences, Kadir Has University, Istanbul, Turkey
- *Correspondence: M. Mustafa Cetin, ; Kemal Yelekci, ; Yehia Mechref,
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Syntheses, crystal structure, thermal behavior, and anti-tumor activity of three ternary metal complexes with 2-chloro-5-nitrobenzoic acid and heterocyclic compounds. HETEROCYCL COMMUN 2022. [DOI: 10.1515/hc-2022-0011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Three complexes, namely complex (1), complex (2), and complex (3), were synthesized and characterized by X-ray diffraction, thermogravimetric study, and elemental study. Complex (1) comprises discrete binuclear clusters, where two oxygen atoms of 2-chloro-5-nitrobenzoic acid bridge the two copper atoms. Complex (2) is a six-coordination structure consisting of four nitrogen atoms and two oxygen atoms in 2-chloro-5-nitrobenzoic acid and 1,10-phenanthroline to furnish a twisted octahedron. Complex (3) is a six-coordination structure consisting of four oxygen atoms and two nitrogen atoms from the 2-chloro-5-nitrobenzoic acid, methanol, and 2,2′-dipyridyl to furnish a distorted octahedral geometry. Metal complexes’ anti-tumor activity was also investigated by the MTT assay. Of the complexes tested, complex (1) could induce apoptosis in these A549 lung cancer and Caco-2 colon adenocarcinoma cells and complex (2) could induce apoptosis in Caco-2 colon adenocarcinoma cells. CCDC for complex (1) was 1543354, CCDC for complex (2) was 1546991, and CCDC for complex (3) was 1543417.
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7
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Synthesis and biological evaluation of six L-tryptophan Schiff base copper(II) complexes as promising anticancer agents in vitro. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132578] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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8
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Shi S, Yu S, Quan L, Mansoor M, Chen Z, Hu H, Liu D, Liang Y, Liang F. Synthesis and antitumor activities of transition metal complexes of a bis-Schiff base of 2-hydroxy-1-naphthalenecarboxaldehyde. J Inorg Biochem 2020; 210:111173. [PMID: 32683124 DOI: 10.1016/j.jinorgbio.2020.111173] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 06/24/2020] [Accepted: 06/25/2020] [Indexed: 12/16/2022]
Abstract
The complexes of Schiff base have attracted much attention for their potential biological activities. In this research, five transition metal complexes TM3L2(OAc)2 (TM = Cu, 1; Ni, 2; Co, 3; Mn, 4; Fe, 5) were prepared using a bis-Schiff base of N,N'-bis[(2-hydroxy-1-naphthalenyl)methylene]-propane-1,3-diamine (H2L), which present similar linear trinuclear structures with their three metal ions consolidated by two bis-Schiff base ligands and two acetate ligands. Their antitumor activities in vitro were screened through seven human cancer cell lines by the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. It revealed that complexes 1, 2 and 5 show much higher antitumor activities than the bis-Schiff base ligand and complexes 3 and 4, and even than cisplatin. Among them, complex 1 has the highest inhibitory effects on tumor cells with its IC50 value (half-inhibitory concentration) being less than 0.5 μM for human bladder cancer cell line T-24, at which concentration complex 1 shows nearly no toxicity to the normal cell HL-7702 as revealed by flow cytometry. All of these demonstrate a potential anti-cancer candidate for complex 1, which induces tumor cell apoptosis by blocking T-24 tumor cells at the G2/M phase of the cell cycle, reducing mitochondrial membrane potential, increasing the concentration of reactive oxygen species and Ca2+ in the cell, and changing the expression of proteins.
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Affiliation(s)
- Shaozhan Shi
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, PR China
| | - Shui Yu
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, PR China
| | - Lixia Quan
- School of Chemistry and Environmental Sciences, Shangrao Normal University, Shangrao 334001, PR China
| | - Majid Mansoor
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, PR China
| | - Zilu Chen
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, PR China.
| | - Huancheng Hu
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, PR China
| | - Dongcheng Liu
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, PR China
| | - Yuning Liang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, PR China
| | - Fupei Liang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, PR China; Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, PR China
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Deghadi RG, Mahmoud WH, Mohamed GG. Metal complexes of tetradentate azo‐dye ligand derived from 4,4′‐oxydianiline: Preparation, structural investigation, biological evaluation and MOE studies. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5883] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Reem G. Deghadi
- Chemistry Department, Faculty of Science Cairo University Giza 12613 Egypt
| | - Walaa H. Mahmoud
- Chemistry Department, Faculty of Science Cairo University Giza 12613 Egypt
- Egypt Nanotechnology Center Cairo University El‐Sheikh Zayed, 6th October City, Giza 12588 Egypt
| | - Gehad G. Mohamed
- Chemistry Department, Faculty of Science Cairo University Giza 12613 Egypt
- Egypt Nanotechnology Center Cairo University El‐Sheikh Zayed, 6th October City, Giza 12588 Egypt
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10
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Yang Z, Li D, Zhao X, Wang L, Dai L. Retracted:
Studies of proteasome inhibition and antitumor activity by novel amino acid‐polypyridine‐copper complexes. J Heterocycl Chem 2019. [DOI: 10.1002/jhet.3732] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Zi‐Bo Yang
- Tianjin Institute of Medical and Pharmaceutical Sciences Tianjin China
| | - Dong‐Dong Li
- Tianjin Institute of Medical and Pharmaceutical Sciences Tianjin China
| | - Xiu‐Mei Zhao
- Tianjin Institute of Medical and Pharmaceutical Sciences Tianjin China
| | - Lu‐Yao Wang
- Tianjin Institute of Medical and Pharmaceutical Sciences Tianjin China
| | - Lin‐Lin Dai
- Tianjin Institute of Medical and Pharmaceutical Sciences Tianjin China
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11
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Li D, Wang L, Yagüe E, Dai L, Zhao X, Yang Z, Zhi S, Hu Y. Studies of proteasome inhibition and apoptosis induction in triple‐negative breast cancer cells by novel amino acid–polypyridine–copper complex. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.5120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Dongdong Li
- Tianjin Institute of Medical and Pharmaceutical Sciences Tianjin 300020 China
| | - Luyao Wang
- Tianjin Institute of Medical and Pharmaceutical Sciences Tianjin 300020 China
| | - Ernesto Yagüe
- Cancer Research Center, Division of Cancer, Faculty of MedicineImperial College London, Hammersmith Hospital Campus London W12 0NN UK
| | - Linlin Dai
- Tianjin Institute of Medical and Pharmaceutical Sciences Tianjin 300020 China
| | - Xiumei Zhao
- Tianjin Institute of Medical and Pharmaceutical Sciences Tianjin 300020 China
| | - Zibo Yang
- Tianjin Institute of Medical and Pharmaceutical Sciences Tianjin 300020 China
| | - Shuang Zhi
- Tianjin Institute of Medical and Pharmaceutical Sciences Tianjin 300020 China
| | - Yunhui Hu
- Third Department of Breast CancerTianjin Medical University Cancer Institute and Hospital Tianjin 300060 China
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12
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Li DD, Yagüe E, Wang LY, Dai LL, Yang ZB, Zhi S, Zhang N, Zhao XM, Hu YH. Novel Copper Complexes That Inhibit the Proteasome and Trigger Apoptosis in Triple-Negative Breast Cancer Cells. ACS Med Chem Lett 2019; 10:1328-1335. [PMID: 31531205 PMCID: PMC6746097 DOI: 10.1021/acsmedchemlett.9b00284] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Accepted: 07/25/2019] [Indexed: 01/10/2023] Open
Abstract
Five innovative ternary copper(II) complexes [Cu(OH-PIP)(Phe)Cl](1), [Cu(OH-PIP)(Gly)(H2O)]NO3·2H2O (2), [Cu(OH-PIP)(Ala)(Cl)]·H2O (3), [Cu(OH-PIP)(Met)]PF6·2H2O (4), and [Cu(OH-PIP)(Gln)(H2O)](Cl)·3H2O (5) have been synthesized and characterized by infrared spectroscopy, elemental analysis, and single crystal X-ray diffraction analysis. X-ray crystallography indicates that all Cu atoms are five-coordinated in a square-pyramidal configuration. The complexes have been screened for cytotoxicity against human breast cancer cell lines MCF-7, MDA-MB-231, and CAL-51. The best anticancer activity is obtained with triple-negative breast cancer CAL-51 and MDA-MB-231 cell lines, with IC50 values in the range of 0.082-0.69 μM. Importantly, the copper compounds were more effective than carboplatin at triggering cell death. Mechanistically, the complexes inhibit proteasomal chymotrypsin-like activity, and docking studies reveal their 20S proteasome binding sites. As a consequence, they cause the accumulation of ubiquitinated proteins, inhibit cell proliferation, and induce apoptosis. In addition, these copper complexes decrease the stemness of triple-negative breast cancer cells and have synergistic effects with CBP on TNBC cells, indicating their great potential as a novel therapy for triple-negative breast cancer.
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Affiliation(s)
- Dong-Dong Li
- Tianjin
Institute of Medical and Pharmaceutical Sciences, Tianjin 300020, China
| | - Ernesto Yagüe
- Cancer
Research Center, Division of Cancer, Faculty of Medicine, Imperial College London, Hammersmith Hospital Campus, London W12
0NN, U.K.
| | - Lu-Yao Wang
- Tianjin
Institute of Medical and Pharmaceutical Sciences, Tianjin 300020, China
| | - Lin-Lin Dai
- Tianjin
Institute of Medical and Pharmaceutical Sciences, Tianjin 300020, China
| | - Zi-Bo Yang
- Tianjin
Institute of Medical and Pharmaceutical Sciences, Tianjin 300020, China
| | - Shuang Zhi
- Tianjin
Institute of Medical and Pharmaceutical Sciences, Tianjin 300020, China
| | - Na Zhang
- Tianjin
Institute of Medical and Pharmaceutical Sciences, Tianjin 300020, China
| | - Xiu-Mei Zhao
- Tianjin
Institute of Medical and Pharmaceutical Sciences, Tianjin 300020, China
| | - Yun-Hui Hu
- The
Third Department of Breast Cancer, Tianjin
Medical University Cancer Institute and Hospital, Tianjin 300060, China
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13
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Zhang N, Fan Y, Huang G, Buac D, Bi C, Ma Y, Wang X, Zhang Z, Zhang X, Dou QP. l-Tryptophan Schiff base cadmium(II) complexes as a new class of proteasome inhibitors and apoptosis inducers in human breast cancer cells. Inorganica Chim Acta 2017. [DOI: 10.1016/j.ica.2017.07.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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14
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Zhang Z, Wang H, Yan M, Wang H, Zhang C. Novel copper complexes as potential proteasome inhibitors for cancer treatment (Review). Mol Med Rep 2016; 15:3-11. [PMID: 27959411 DOI: 10.3892/mmr.2016.6022] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2015] [Accepted: 11/08/2016] [Indexed: 11/06/2022] Open
Abstract
The use of metal complexes in the pharmaceutical industry has recently increased and as a result, novel metal‑based complexes have initiated an interest as potential anticancer agents. Copper (Cu), which is an essential trace element in all living organisms, is important in maintaining the function of numerous proteins and enzymes. It has recently been demonstrated that Cu complexes may be used as tumor‑specific proteasome inhibitors and apoptosis inducers, by targeting the ubiquitin‑proteasome pathway (UPP). Cu complexes have demonstrated promising results in preclinical studies. The UPP is important in controlling the expression, activity and location of various proteins. Therefore, selective proteasome inhibition and apoptotic induction in cancer cells have been regarded as potential anticancer strategies. The present short review discusses recent progress in the development of Cu complexes, including clioquinol, dithiocarbamates and Schiff bases, as proteasome inhibitors for cancer treatment. A discussion of recent research regarding the understanding of metal inhibitors based on Cu and ligand platforms is presented.
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Affiliation(s)
- Zhen Zhang
- Institute of Antitumor Drug Research, School of Pharmacy, Jining Medical University, Rizhao, Shandong 276826, P.R. China
| | - Huiyun Wang
- Institute of Antitumor Drug Research, School of Pharmacy, Jining Medical University, Rizhao, Shandong 276826, P.R. China
| | - Maocai Yan
- Institute of Antitumor Drug Research, School of Pharmacy, Jining Medical University, Rizhao, Shandong 276826, P.R. China
| | - Huannan Wang
- Neurobiology Institute, Jining Medical University, Jining, Shandong 272100, P.R. China
| | - Chunyan Zhang
- Institute of Antitumor Drug Research, School of Pharmacy, Jining Medical University, Rizhao, Shandong 276826, P.R. China
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15
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Discovery of a potent and highly specific β 2 proteasome inhibitor from a library of copper complexes. Bioorg Med Chem Lett 2016; 26:5780-5784. [DOI: 10.1016/j.bmcl.2016.10.043] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Revised: 09/29/2016] [Accepted: 10/14/2016] [Indexed: 11/15/2022]
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16
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Zhang Z, Wang H, Wang Q, Yan M, Wang H, Bi C, Sun S, Fan Y. Anticancer activity and computational modeling of ternary copper (II) complexes with 3-indolecarboxylic acid and 1,10-phenanthroline. Int J Oncol 2016; 49:691-9. [DOI: 10.3892/ijo.2016.3542] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Accepted: 05/16/2016] [Indexed: 11/06/2022] Open
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Jiang L, Zhang DY, Suo JJ, Gu W, Tian JL, Liu X, Yan SP. Synthesis, magnetism and spectral studies of six defective dicubane tetranuclear {M4O6} (M = NiII, CoII, ZnII) and three trinuclear CdII complexes with polydentate Schiff base ligands. Dalton Trans 2016; 45:10233-48. [DOI: 10.1039/c6dt00380j] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Six defective dicubane face-shared and three trinuclear complexes are synthesized. The magnetic behaviors of NiII/CoII complexes and fluorescence properties of ZnII and CdII are studied.
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Affiliation(s)
- Lin Jiang
- College of Chemistry
- Nankai University
- Tianjin 300071
- China
- Key Laboratory of Advanced Energy Materials Chemistry (MOE)
| | - Dong-Yan Zhang
- College of Chemistry
- Nankai University
- Tianjin 300071
- China
- Key Laboratory of Advanced Energy Materials Chemistry (MOE)
| | - Jing-Jing Suo
- College of Chemistry
- Nankai University
- Tianjin 300071
- China
- Key Laboratory of Advanced Energy Materials Chemistry (MOE)
| | - Wen Gu
- College of Chemistry
- Nankai University
- Tianjin 300071
- China
- Key Laboratory of Advanced Energy Materials Chemistry (MOE)
| | - Jin-Lei Tian
- College of Chemistry
- Nankai University
- Tianjin 300071
- China
- Key Laboratory of Advanced Energy Materials Chemistry (MOE)
| | - Xin Liu
- College of Chemistry
- Nankai University
- Tianjin 300071
- China
- Key Laboratory of Advanced Energy Materials Chemistry (MOE)
| | - Shi-Ping Yan
- College of Chemistry
- Nankai University
- Tianjin 300071
- China
- Key Laboratory of Advanced Energy Materials Chemistry (MOE)
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