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Hao C, Chen P, Setrerrahmane S, Xu H. A peptide-salinomycin conjugate with a bystander effect reduces the stemness characteristics of ovarian cancer cells and enhances drug sensitivity. Eur J Med Chem 2024; 276:116701. [PMID: 39067438 DOI: 10.1016/j.ejmech.2024.116701] [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: 05/16/2024] [Revised: 07/07/2024] [Accepted: 07/18/2024] [Indexed: 07/30/2024]
Abstract
Salinomycin (Sal) has attracted considerable attention in the field of tumor treatment, especially for its inhibitory effect on cancer stem cells (CSCs) and drug-resistant tumor cells. However, its solubility and targeting specificity pose significant challenges to its pharmaceutical development. Sal-A6, a novel peptide-drug conjugate (PDC), was formed by linking the peptide A6 targeting the CSC marker CD44 with Sal using a specific linker. This conjugation markedly enhances the physicochemical properties of Sal and compared to Sal, Sal-A6 demonstrated a significantly increased activity against ovarian cancer. Furthermore, Sal-A6, employing a disulfide bond as a linker, exhibited bystander killing effect. Moreover, it induces substantial cytotoxic effect on both cancer stem cells and drug-resistant cells in addition to enhance chemosensitivity of resistant ovarian cancer cells. In summary, the results indicated that Sal-A6, a novel PDC derived from Sal, has potential therapeutic applications in the treatment of ovarian cancer and drug-resistant patients. Additionally, this discovery offers insights for developing PDC-type drugs using Sal as a foundation.
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Affiliation(s)
- Chaowei Hao
- The Engineering Research Center of Synthetic Polypeptide Drug Discovery and Evaluation, Jiangsu Province, China Pharmaceutical University, Nanjing 210009, P.R. China; State Key Laboratory of Natural Medicines, Ministry of Education, China Pharmaceutical University, Nanjing, 210009, China
| | - Peng Chen
- The Engineering Research Center of Synthetic Polypeptide Drug Discovery and Evaluation, Jiangsu Province, China Pharmaceutical University, Nanjing 210009, P.R. China; State Key Laboratory of Natural Medicines, Ministry of Education, China Pharmaceutical University, Nanjing, 210009, China
| | | | - Hanmei Xu
- The Engineering Research Center of Synthetic Polypeptide Drug Discovery and Evaluation, Jiangsu Province, China Pharmaceutical University, Nanjing 210009, P.R. China; State Key Laboratory of Natural Medicines, Ministry of Education, China Pharmaceutical University, Nanjing, 210009, China.
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2
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Borcher Møller SL, Rasmussen MH, Li J, Svenningsen EB, Wørmer GJ, Tørring T, Poulsen TB. The Biological Activities of Polyether Ionophore Antibiotic Routiennocin is Independent of Absolute Stereochemistry. Chembiochem 2024; 25:e202400013. [PMID: 38329925 DOI: 10.1002/cbic.202400013] [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: 01/05/2024] [Revised: 01/29/2024] [Accepted: 02/08/2024] [Indexed: 02/10/2024]
Abstract
Carboxylic polyether ionophores (CPIs) are among the most prevalent agricultural antibiotics (notably in the US) and these compounds have been in use for decades. The potential to reposition CPIs beyond veterinary use, e. g. through chemical modifications to enhance their selectivity window, is an exciting challenge and opportunity, considering their general resilience towards resistance development. Given the very large societal impact of these somewhat controversial compounds, it is surprising that many aspects of their mechanisms and activities in cells remain unclear. Here, we report comparative biological activities of the CPI routiennocin and two stereoisomers, including its enantiomer. We used an efficient convergent synthesis strategy to access the compounds and conducted a broad survey of antibacterial activities against planktonic cells and biofilms as well as the compounds' effects on mammalian cells, the latter assessed both via standard cell viability assays and broad morphological profiling. Interestingly, similar bioactivity of the enantiomeric pair was observed across all assays, strongly suggesting that chiral interactions do not play a decisive role in the mode of action. Overall, our findings are consistent with a mechanistic model involving highly dynamic behaviour of CPIs in biological membranes.
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Affiliation(s)
| | - Michelle H Rasmussen
- Department of Chemistry, Aarhus University, Langelandsgade 140, DK-8000, Aarhus C, Denmark
| | - Jun Li
- Department of Chemistry, Aarhus University, Langelandsgade 140, DK-8000, Aarhus C, Denmark
| | - Esben B Svenningsen
- Department of Chemistry, Aarhus University, Langelandsgade 140, DK-8000, Aarhus C, Denmark
| | - Gustav J Wørmer
- Department of Chemistry, Aarhus University, Langelandsgade 140, DK-8000, Aarhus C, Denmark
| | - Thomas Tørring
- Department of Biological and Chemical Engineering, Gustav Wieds Vej 10, DK-8000, Aarhus C, Denmark
| | - Thomas B Poulsen
- Department of Chemistry, Aarhus University, Langelandsgade 140, DK-8000, Aarhus C, Denmark
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3
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Papsdorf M, Pankiewicz R. Spectroscopic, Spectrometric and Computational Studies of New Lasalocid Derivatives and Their Complexes with Selected Metal Cations. Molecules 2023; 28:8085. [PMID: 38138575 PMCID: PMC10746057 DOI: 10.3390/molecules28248085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 12/08/2023] [Accepted: 12/11/2023] [Indexed: 12/24/2023] Open
Abstract
A series of five esters of lasalocid with neopentyl alcohol (LasNeo), geraniol (LasGeran), 2-ethylhexanol (LasEtHex), eicosanol (LasEico) and vanillyl alcohol (LasVanil) were synthesized and studied by NMR, FT-IR and ESI-MS. Then, their complexes with lithium, sodium and potassium cations were obtained and examined using FT-IR. The analysis of the products confirmed the synthesis of new esters with good yields. The newly obtained compounds, as well as their complexes with monovalent cations, were proved to be stabilized by a strong system of intramolecular hydrogen bonds. The PM6 semiempirical calculations provided information on the heat of formation (HOF) and permitted the making of visual representations of the structures of the newly synthesized esters and their complexes with the investigated cations. All the computational outcomes were consistent with the spectroscopic data.
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Affiliation(s)
| | - Radosław Pankiewicz
- Department of Enviromental Physicochemistry, Faculty of Chemistry, Adam Mickiewicz University, Poznań Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland
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4
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Pećina-Šlaus N, Aničić S, Bukovac A, Kafka A. Wnt Signaling Inhibitors and Their Promising Role in Tumor Treatment. Int J Mol Sci 2023; 24:ijms24076733. [PMID: 37047705 PMCID: PMC10095594 DOI: 10.3390/ijms24076733] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 03/30/2023] [Accepted: 03/31/2023] [Indexed: 04/07/2023] Open
Abstract
In a continuous search for the improvement of antitumor therapies, the inhibition of the Wnt signaling pathway has been recognized as a promising target. The altered functioning of the Wnt signaling in human tumors points to the strategy of the inhibition of its activity that would impact the clinical outcomes and survival of patients. Because the Wnt pathway is often mutated or epigenetically altered in tumors, which promotes its activation, inhibitors of Wnt signaling are being intensively investigated. It has been shown that knocking down specific components of the Wnt pathway has inhibitory effects on tumor growth in vivo and in vitro. Thus, similar effects are expected from the application of Wnt inhibitors. In the last decades, molecules acting as inhibitors on the pathway’s specific molecular levels have been identified and characterized. This review will discuss the inhibitors of the canonical Wnt pathway, summarize knowledge on their effectiveness as therapeutics, and debate their side effects. The role of the components frequently mutated in various tumors that are principal targets for Wnt inhibitors is also going to be brought to the reader’s attention. Some of the molecules identified as Wnt pathway inhibitors have reached early stages of clinical trials, and some have only just been discovered. All things considered, inhibition of the Wnt signaling pathway shows potential for the development of future therapies.
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Affiliation(s)
- Nives Pećina-Šlaus
- Laboratory of Neuro-Oncology, Croatian Institute for Brain Research, School of Medicine, University of Zagreb, Šalata 12, 10000 Zagreb, Croatia
- Department of Biology, School of Medicine, University of Zagreb, Šalata 3, 10000 Zagreb, Croatia
| | - Sara Aničić
- Department of Physiology and Immunology, School of Medicine, University of Zagreb, Šalata 3, 10000 Zagreb, Croatia
- Laboratory for Molecular Immunology, Croatian Institute for Brain Research, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Anja Bukovac
- Laboratory of Neuro-Oncology, Croatian Institute for Brain Research, School of Medicine, University of Zagreb, Šalata 12, 10000 Zagreb, Croatia
- Department of Biology, School of Medicine, University of Zagreb, Šalata 3, 10000 Zagreb, Croatia
| | - Anja Kafka
- Laboratory of Neuro-Oncology, Croatian Institute for Brain Research, School of Medicine, University of Zagreb, Šalata 12, 10000 Zagreb, Croatia
- Department of Biology, School of Medicine, University of Zagreb, Šalata 3, 10000 Zagreb, Croatia
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5
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Ionophore Toxicity in Animals: A Review of Clinical and Molecular Aspects. Int J Mol Sci 2023; 24:ijms24021696. [PMID: 36675211 PMCID: PMC9863538 DOI: 10.3390/ijms24021696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/09/2023] [Accepted: 01/12/2023] [Indexed: 01/18/2023] Open
Abstract
For many years, ionophores have been used to control coccidiosis in poultry. However, misuse of ionophores can cause toxicity with significant clinical symptoms. The most critical factors influencing ionophores' toxicity are administration dose, species, and animal age. Although clinical signs of ionophore intoxication are well studied, the toxicity mechanisms of the ionophores at the molecular level still are not fully elucidated. This review summarizes the studies focused on polyether ionophores toxicity mechanisms in animals at the clinical and molecular levels. Studies show that ionophore toxicity mainly affects myocardial and skeletal muscle cells. The molecular mechanism of the toxication could be explained by the inhibition of oxidative phosphorylation via dysregulation of ion concentration. Tiamulin-ionophore interaction and the synergetic effect of tiamulin in ionophore biotransformation are discussed. Furthermore, in recent years ionophores were candidates for reprofiling as antibacterial and anti-cancer drugs. Identifying ionophores' toxicity mechanisms at the cellular level will likely help develop novel therapies in veterinary and human medicine.
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Antoszczak M, Müller S, Cañeque T, Colombeau L, Dusetti N, Santofimia-Castaño P, Gaillet C, Puisieux A, Iovanna JL, Rodriguez R. Iron-Sensitive Prodrugs That Trigger Active Ferroptosis in Drug-Tolerant Pancreatic Cancer Cells. J Am Chem Soc 2022; 144:11536-11545. [PMID: 35696539 DOI: 10.1021/jacs.2c03973] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Persister cancer cells represent rare populations of cells resistant to therapy. Cancer cells can exploit epithelial-mesenchymal plasticity to adopt a drug-tolerant state that does not depend on genetic alterations. Small molecules that can interfere with cell plasticity or kill cells in a cell state-dependent manner are highly sought after. Salinomycin has been shown to kill cancer cells in the mesenchymal state by sequestering iron in lysosomes, taking advantage of the iron addiction of this cell state. Here, we report the chemo- and stereoselective synthesis of a series of structurally complex small molecule chimeras of salinomycin derivatives and the iron-reactive dihydroartemisinin. We show that these chimeras accumulate in lysosomes and can react with iron to release bioactive species, thereby inducing ferroptosis in drug-tolerant pancreatic cancer cells and biopsy-derived organoids of pancreatic ductal adenocarcinoma. This work paves the way toward the development of new cancer medicines acting through active ferroptosis.
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Affiliation(s)
- Michał Antoszczak
- Department of Chemical Biology, Institut Curie, CNRS UMR 3666, INSERM U1143, PSL Université, 26 rue d'Ulm, 75005 Paris, France
| | - Sebastian Müller
- Department of Chemical Biology, Institut Curie, CNRS UMR 3666, INSERM U1143, PSL Université, 26 rue d'Ulm, 75005 Paris, France
| | - Tatiana Cañeque
- Department of Chemical Biology, Institut Curie, CNRS UMR 3666, INSERM U1143, PSL Université, 26 rue d'Ulm, 75005 Paris, France
| | - Ludovic Colombeau
- Department of Chemical Biology, Institut Curie, CNRS UMR 3666, INSERM U1143, PSL Université, 26 rue d'Ulm, 75005 Paris, France
| | - Nelson Dusetti
- CRCM, CNRS UMR 7258, INSERM U1068, Aix-Marseille Université and Institut Paoli-Calmettes, Parc Scientifique et Technologique de Luminy, 163 Avenue de Luminy, 13288 Marseille, France
| | - Patricia Santofimia-Castaño
- CRCM, CNRS UMR 7258, INSERM U1068, Aix-Marseille Université and Institut Paoli-Calmettes, Parc Scientifique et Technologique de Luminy, 163 Avenue de Luminy, 13288 Marseille, France
| | - Christine Gaillet
- Department of Chemical Biology, Institut Curie, CNRS UMR 3666, INSERM U1143, PSL Université, 26 rue d'Ulm, 75005 Paris, France
| | - Alain Puisieux
- Department of Chemical Biology, Institut Curie, CNRS UMR 3666, INSERM U1143, PSL Université, 26 rue d'Ulm, 75005 Paris, France
| | - Juan Lucio Iovanna
- CRCM, CNRS UMR 7258, INSERM U1068, Aix-Marseille Université and Institut Paoli-Calmettes, Parc Scientifique et Technologique de Luminy, 163 Avenue de Luminy, 13288 Marseille, France
| | - Raphaël Rodriguez
- Department of Chemical Biology, Institut Curie, CNRS UMR 3666, INSERM U1143, PSL Université, 26 rue d'Ulm, 75005 Paris, France
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7
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Czerwonka D, Müller S, Cañeque T, Colombeau L, Huczyński A, Antoszczak M, Rodriguez R. Expeditive Synthesis of Potent C20- epi-Amino Derivatives of Salinomycin against Cancer Stem-Like Cells. ACS ORGANIC & INORGANIC AU 2022; 2:214-221. [PMID: 35673680 PMCID: PMC9164233 DOI: 10.1021/acsorginorgau.1c00046] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 12/18/2021] [Accepted: 12/21/2021] [Indexed: 12/13/2022]
Abstract
As a continuation of our studies toward the development of small molecules to selectively target cancer stem cells (CSCs), a library of 18 novel derivatives of salinomycin (Sal), a naturally occurring polyether ionophore, was synthesized with a good overall yield using a one-pot Mitsunobu-Staudinger procedure. Compared to the parent structure, the newly synthesized products contained the mono- or disubstituted C20-epi-amine groups. The biological activity of these compounds was evaluated against human mammary mesenchymal HMLER CD24low/CD44high cells, a well-established model of breast CSCs, and its isogenic epithelial cell line (HMLER CD24high/CD44low) lacking CSC properties. Importantly, the vast majority of Sal derivatives were characterized by low nanomolar activities, comparing favorably with previous data in the literature. Furthermore, some of these derivatives exhibited a higher selectivity for the mesenchymal state compared to the reference Sal and ironomycin, representing a promising new series of compounds with anti-CSC activity.
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Affiliation(s)
- Dominika Czerwonka
- Department of Chemical Biology Institut Curie, CNRS UMR 3666, INSERM U1143, PSL Université, 26 Rue d'Ulm, 75005 Paris, France.,Department of Medical Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland
| | - Sebastian Müller
- Department of Chemical Biology Institut Curie, CNRS UMR 3666, INSERM U1143, PSL Université, 26 Rue d'Ulm, 75005 Paris, France
| | - Tatiana Cañeque
- Department of Chemical Biology Institut Curie, CNRS UMR 3666, INSERM U1143, PSL Université, 26 Rue d'Ulm, 75005 Paris, France
| | - Ludovic Colombeau
- Department of Chemical Biology Institut Curie, CNRS UMR 3666, INSERM U1143, PSL Université, 26 Rue d'Ulm, 75005 Paris, France
| | - Adam Huczyński
- Department of Medical Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland
| | - Michał Antoszczak
- Department of Chemical Biology Institut Curie, CNRS UMR 3666, INSERM U1143, PSL Université, 26 Rue d'Ulm, 75005 Paris, France.,Department of Medical Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland
| | - Raphaël Rodriguez
- Department of Chemical Biology Institut Curie, CNRS UMR 3666, INSERM U1143, PSL Université, 26 Rue d'Ulm, 75005 Paris, France
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8
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Singhal S, Maheshwari P, Krishnamurthy PT, Patil VM. Drug Repurposing Strategies for Non-Cancer to Cancer Therapeutics. Anticancer Agents Med Chem 2022; 22:2726-2756. [PMID: 35301945 DOI: 10.2174/1871520622666220317140557] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 09/15/2021] [Accepted: 11/27/2021] [Indexed: 11/22/2022]
Abstract
Global efforts invested for the prevention and treatment of cancer need to be repositioned to develop safe, effective, and economic anticancer therapeutics by adopting rational approaches of drug discovery. Drug repurposing is one of the established approaches to reposition old, clinically approved off patent noncancer drugs with known targets into newer indications. The literature review suggests key role of drug repurposing in the development of drugs intended for cancer as well as noncancer therapeutics. A wide category of noncancer drugs namely, drugs acting on CNS, anthelmintics, cardiovascular drugs, antimalarial drugs, anti-inflammatory drugs have come out with interesting outcomes during preclinical and clinical phases. In the present article a comprehensive overview of the current scenario of drug repurposing for the treatment of cancer has been focused. The details of some successful studies along with examples have been included followed by associated challenges.
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Affiliation(s)
- Shipra Singhal
- Department of Pharmaceutical Chemistry KIET School of Pharmacy, KIET Group of Institutions, Delhi-NCR, Ghaziabad, India
| | - Priyal Maheshwari
- Department of Pharmaceutical Chemistry KIET School of Pharmacy, KIET Group of Institutions, Delhi-NCR, Ghaziabad, India
| | | | - Vaishali M Patil
- Department of Pharmaceutical Chemistry KIET School of Pharmacy, KIET Group of Institutions, Delhi-NCR, Ghaziabad, India
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9
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Rate of translocation across lipid bilayer of triphenylphosphonium-linked salinomycin derivatives contributes significantly to their K+/H+exchange activity on membranes. Bioelectrochemistry 2022; 145:108089. [DOI: 10.1016/j.bioelechem.2022.108089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 02/19/2022] [Accepted: 02/21/2022] [Indexed: 11/17/2022]
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10
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Czerwonka D, Mielczarek-Puta M, Antoszczak M, Cioch A, Struga M, Huczyński A. Evaluation of the anticancer activity of singly and doubly modified analogues of C20-epi-salinomycin. Eur J Pharmacol 2021; 908:174347. [PMID: 34265289 DOI: 10.1016/j.ejphar.2021.174347] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 07/06/2021] [Accepted: 07/12/2021] [Indexed: 11/21/2022]
Abstract
In developed countries, cancer is the second leading cause of death, with colon and prostate cancer belonging to the group of most often diagnosed types of neoplastic diseases. The search for new treatment strategies against these types of cancer is thus of top current interest. In this context, salinomycin (SAL), a naturally occurring polyether ionophore, has been identified recently as a very promising anticancer drug candidate towards several tumour cells. In the present work, a broad library of 24 derivatives of C20-epi-salinomycin (2), including C1 singly, C20 singly and C1/C20 doubly modified analogue structures, was screened to identify compounds with improved activity against colon and prostate cancer cells. Our study demonstrated that the growth inhibitory potency of the parent compound on both primary and metastatic colon cancer cells was similar to that of the semisynthetic products derived from SAL, and simultaneously the SAL analogues showed more potent toxic action on metastatic prostate cancer cells than that of the chemically unmodified ionophore. In contrast to the widely used oncological drug doxorubicin, some of the SAL derivatives demonstrated promising anticancer activity with no toxic effects on non-tumour cells, and with more favourable cytotoxicity than that of a reference agent 5-fluorouracil. Mechanistically, the SAL analogues induced late apoptosis in colon cancer cells and necrosis in prostate cancer cells, as well as reduced secretion of interleukin 6 (IL-6) in these cells.
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Affiliation(s)
- Dominika Czerwonka
- Department of Medical Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61‒614, Poznań, Poland
| | | | - Michał Antoszczak
- Department of Medical Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61‒614, Poznań, Poland
| | - Aleksandra Cioch
- Department of Medical Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61‒614, Poznań, Poland
| | - Marta Struga
- Department of Biochemistry, Medical University of Warsaw, Banacha 1, 02-097, Warszawa, Poland
| | - Adam Huczyński
- Department of Medical Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61‒614, Poznań, Poland.
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11
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Urbaniak A, Reed MR, Fil D, Moorjani A, Heflin S, Antoszczak M, Sulik M, Huczyński A, Kupsik M, Eoff RL, MacNicol MC, Chambers TC, MacNicol AM. Single and double modified salinomycin analogs target stem-like cells in 2D and 3D breast cancer models. Biomed Pharmacother 2021; 141:111815. [PMID: 34130123 PMCID: PMC8429223 DOI: 10.1016/j.biopha.2021.111815] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/25/2021] [Accepted: 06/07/2021] [Indexed: 01/05/2023] Open
Abstract
Breast cancer remains one of the leading cancers among women. Cancer stem cells (CSCs) are tumor-initiating cells which drive progression, metastasis, and reoccurrence of the disease. CSCs are resistant to conventional chemo- and radio-therapies and their ability to survive such treatment enables tumor reestablishment. Metastasis is the main cause of mortality in women with breast cancer, thus advances in treatment will depend on therapeutic strategies targeting CSCs. Salinomycin (SAL) is a naturally occurring polyether ionophore antibiotic known for its anticancer activity towards several types of tumor cells. In the present work, a library of 17 C1-single and C1/C20-double modified SAL analogs was screened to identify compounds with improved activity against breast CSCs. Six single- and two double-modified analogs were more potent (IC50 range of 1.1 ± 0.1-1.4 ± 0.2 µM) toward the breast cancer cell line MDA-MB-231 compared to SAL (IC50 of 4.9 ± 1.6 µM). Double-modified compound 17 was found to be more efficacious than SAL against the majority of cancer cell lines in the NCI-60 Human Tumor Cell Line Panel. Compound 17 was more potent than SAL in inhibiting cell migration and cell renewal properties of MDA-MB-231 cells, as well as inducing selective loss of the CD44+/CD24/low stem-cell-like subpopulation in both monolayer (2D) and organoid (3D) culture. The present findings highlight the therapeutic potential of SAL analogs towards breast CSCs and identify select compounds that merit further study and clinical development.
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Affiliation(s)
- Alicja Urbaniak
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States.
| | - Megan R Reed
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
| | - Daniel Fil
- Department of Physiology and Cell Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
| | - Anika Moorjani
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
| | - Sarah Heflin
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
| | - Michał Antoszczak
- Department of Medical Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland
| | - Michał Sulik
- Department of Medical Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland
| | - Adam Huczyński
- Department of Medical Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland
| | | | - Robert L Eoff
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
| | - Melanie C MacNicol
- Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
| | - Timothy C Chambers
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
| | - Angus M MacNicol
- Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
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12
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Tefas LR, Barbălată C, Tefas C, Tomuță I. Salinomycin-Based Drug Delivery Systems: Overcoming the Hurdles in Cancer Therapy. Pharmaceutics 2021; 13:pharmaceutics13081120. [PMID: 34452081 PMCID: PMC8401311 DOI: 10.3390/pharmaceutics13081120] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 06/28/2021] [Accepted: 07/19/2021] [Indexed: 12/11/2022] Open
Abstract
Cancer stem cells (CSCs) are reportedly responsible for the initiation and propagation of cancer. Since CSCs are highly resistant to conventional chemo- and radiotherapy, they are considered the main cause of cancer relapse and metastasis. Salinomycin (Sali), an anticoccidial polyether antibiotic, has emerged as a promising new candidate for cancer therapy, with selective cytotoxicity against CSCs in various malignancies. Nanotechnology provides an efficient means of delivering Sali to tumors in view of reducing collateral damage to healthy tissues and enhancing the therapeutic outcome. This review offers an insight into the most recent advances in cancer therapy using Sali-based nanocarriers.
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Affiliation(s)
- Lucia Ruxandra Tefas
- Department of Pharmaceutical Technology and Biopharmacy, Faculty of Pharmacy, “Iuliu Hațieganu” University of Medicine and Pharmacy, 41 Victor Babeș Street, 400012 Cluj-Napoca, Romania; (L.R.T.); (C.B.); (I.T.)
| | - Cristina Barbălată
- Department of Pharmaceutical Technology and Biopharmacy, Faculty of Pharmacy, “Iuliu Hațieganu” University of Medicine and Pharmacy, 41 Victor Babeș Street, 400012 Cluj-Napoca, Romania; (L.R.T.); (C.B.); (I.T.)
| | - Cristian Tefas
- Department of Gastroenterology, “Prof. Dr. Octavian Fodor” Regional Institute for Gastroenterology and Hepatology, 19–21 Croitorilor Street, 400162 Cluj-Napoca, Romania
- Department of Internal Medicine, “Iuliu Hațieganu” University of Medicine and Pharmacy, 8 Victor Babeș Street, 400012 Cluj-Napoca, Romania
- Correspondence: ; Tel.: +40-740836136
| | - Ioan Tomuță
- Department of Pharmaceutical Technology and Biopharmacy, Faculty of Pharmacy, “Iuliu Hațieganu” University of Medicine and Pharmacy, 41 Victor Babeș Street, 400012 Cluj-Napoca, Romania; (L.R.T.); (C.B.); (I.T.)
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13
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Plays M, Müller S, Rodriguez R. Chemistry and biology of ferritin. Metallomics 2021; 13:6244244. [PMID: 33881539 PMCID: PMC8083198 DOI: 10.1093/mtomcs/mfab021] [Citation(s) in RCA: 84] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 04/09/2021] [Indexed: 02/07/2023]
Abstract
Iron is an essential element required by cells and has been described as a key player in ferroptosis. Ferritin operates as a fundamental iron storage protein in cells forming multimeric assemblies with crystalline iron cores. We discuss the latest findings on ferritin structure and activity and its link to cell metabolism and ferroptosis. The chemistry of iron, including its oxidation states, is important for its biological functions, its reactivity, and the biology of ferritin. Ferritin can be localized in different cellular compartments and secreted by cells with a variety of functions depending on its spatial context. Here, we discuss how cellular ferritin localization is tightly linked to its function in a tissue-specific manner, and how impairment of iron homeostasis is implicated in diseases, including cancer and coronavirus disease 2019. Ferritin is a potential biomarker and we discuss latest research where it has been employed for imaging purposes and drug delivery.
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Affiliation(s)
- Marina Plays
- Chemical Biology of Cancer Laboratory, Institut Curie, 26 rue d'Ulm, 75005 Paris, France.,Centre national de la recherche scientifique UMR 3666, Paris, France.,Institut national de la santé et de la recherche médicale U1143, Paris, France.,PSL Université Paris, Paris, France
| | - Sebastian Müller
- Chemical Biology of Cancer Laboratory, Institut Curie, 26 rue d'Ulm, 75005 Paris, France.,Centre national de la recherche scientifique UMR 3666, Paris, France.,Institut national de la santé et de la recherche médicale U1143, Paris, France.,PSL Université Paris, Paris, France
| | - Raphaël Rodriguez
- Chemical Biology of Cancer Laboratory, Institut Curie, 26 rue d'Ulm, 75005 Paris, France.,Centre national de la recherche scientifique UMR 3666, Paris, France.,Institut national de la santé et de la recherche médicale U1143, Paris, France.,PSL Université Paris, Paris, France
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14
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Design, Synthesis, Characterization of New Carbamates of 4-Nitrophenylchloroformate and Their Antimicrobial and Antioxidant Activities: an In Vitro and In Silico Approach. CHEMISTRY AFRICA 2021. [DOI: 10.1007/s42250-020-00211-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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15
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Lin S, Liu H, Svenningsen EB, Wollesen M, Jacobsen KM, Andersen FD, Moyano-Villameriel J, Pedersen CN, Nørby P, Tørring T, Poulsen TB. Expanding the antibacterial selectivity of polyether ionophore antibiotics through diversity-focused semisynthesis. Nat Chem 2020; 13:47-55. [PMID: 33353970 PMCID: PMC7610524 DOI: 10.1038/s41557-020-00601-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2019] [Accepted: 11/05/2020] [Indexed: 12/13/2022]
Abstract
Polyether ionophores are complex natural products capable of transporting cations across biological membranes. Many polyether ionophores possess potent antimicrobial activity and a few selected compounds have ability to target aggressive cancer cells. Nevertheless, ionophore function is believed to be associated with idiosyncratic cellu-lar toxicity and, consequently, human clinical development has not been pursued. Here, we demonstrate that structurally novel polyether ionophores can be efficiently constructed by recycling components of highly abundant polyethers to afford analogues with enhanced anti-bacterial selectivity compared to a panel of natural polyether ionophores. We used classic degradation reactions of the natural polyethers lasalocid and monensin and combined the resulting fragments with building blocks provided by total synthesis, including halogen-functionalized tetronic acids as cation-binding groups. Our results suggest that structural optimization of polyether ionophores is possible and that this area represents a potential opportunity for future methodological innovation.
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Affiliation(s)
- Shaoquan Lin
- Department of Chemistry, Aarhus University, Aarhus, Denmark
| | - Han Liu
- Department of Chemistry, Aarhus University, Aarhus, Denmark
| | | | | | | | - Frederikke D Andersen
- Department of Engineering-Microbial Biosynthesis, Aarhus University, Aarhus, Denmark
| | | | | | - Peter Nørby
- Department of Chemistry, Aarhus University, Aarhus, Denmark
| | - Thomas Tørring
- Department of Engineering-Microbial Biosynthesis, Aarhus University, Aarhus, Denmark
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16
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Tsakiris N, Fauvet F, Ruby S, Puisieux A, Paquot A, Muccioli GG, Vigneron AM, Préat V. Combined nanomedicines targeting colorectal cancer stem cells and cancer cells. J Control Release 2020; 326:387-395. [DOI: 10.1016/j.jconrel.2020.07.025] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 07/13/2020] [Accepted: 07/15/2020] [Indexed: 12/12/2022]
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17
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Versini A, Colombeau L, Hienzsch A, Gaillet C, Retailleau P, Debieu S, Müller S, Cañeque T, Rodriguez R. Salinomycin Derivatives Kill Breast Cancer Stem Cells by Lysosomal Iron Targeting. Chemistry 2020; 26:7416-7424. [DOI: 10.1002/chem.202000335] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 02/19/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Antoine Versini
- Institut Curie 26 rue d'Ulm 75248 Paris Cedex 05 France
- PSL Université 60 rue Mazarine 75006 Paris France
- Chemical Biology of Cancer Laboratory CNRS UMR 3666, INSERM U1143 France
| | - Ludovic Colombeau
- Institut Curie 26 rue d'Ulm 75248 Paris Cedex 05 France
- PSL Université 60 rue Mazarine 75006 Paris France
- Chemical Biology of Cancer Laboratory CNRS UMR 3666, INSERM U1143 France
| | - Antje Hienzsch
- Institut Curie 26 rue d'Ulm 75248 Paris Cedex 05 France
- PSL Université 60 rue Mazarine 75006 Paris France
- Chemical Biology of Cancer Laboratory CNRS UMR 3666, INSERM U1143 France
- Present address: ABX Advanced Biochemical Compounds Heinrich-Glaeser-Str. 10–14 01454 Radeberg Germany
| | - Christine Gaillet
- Institut Curie 26 rue d'Ulm 75248 Paris Cedex 05 France
- PSL Université 60 rue Mazarine 75006 Paris France
- Chemical Biology of Cancer Laboratory CNRS UMR 3666, INSERM U1143 France
| | - Pascal Retailleau
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301 Université Paris-Sud, Université Paris-Saclay 1 av. de la Terrasse 91198 Gif-sur-Yvette France
| | - Sylvain Debieu
- Institut Curie 26 rue d'Ulm 75248 Paris Cedex 05 France
- PSL Université 60 rue Mazarine 75006 Paris France
- Chemical Biology of Cancer Laboratory CNRS UMR 3666, INSERM U1143 France
| | - Sebastian Müller
- Institut Curie 26 rue d'Ulm 75248 Paris Cedex 05 France
- PSL Université 60 rue Mazarine 75006 Paris France
- Chemical Biology of Cancer Laboratory CNRS UMR 3666, INSERM U1143 France
| | - Tatiana Cañeque
- Institut Curie 26 rue d'Ulm 75248 Paris Cedex 05 France
- PSL Université 60 rue Mazarine 75006 Paris France
- Chemical Biology of Cancer Laboratory CNRS UMR 3666, INSERM U1143 France
| | - Raphaël Rodriguez
- Institut Curie 26 rue d'Ulm 75248 Paris Cedex 05 France
- PSL Université 60 rue Mazarine 75006 Paris France
- Chemical Biology of Cancer Laboratory CNRS UMR 3666, INSERM U1143 France
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18
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Overcoming Resistance to Platinum-Based Drugs in Ovarian Cancer by Salinomycin and Its Derivatives-An In Vitro Study. Molecules 2020; 25:molecules25030537. [PMID: 31991882 PMCID: PMC7037477 DOI: 10.3390/molecules25030537] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 01/23/2020] [Accepted: 01/24/2020] [Indexed: 12/16/2022] Open
Abstract
Polyether ionophore salinomycin (SAL) and its semi-synthetic derivatives are recognized as very promising anticancer drug candidates due to their activity against various types of cancer cells, including multidrug-resistant populations. Ovarian cancer is the deadliest among gynecologic malignancies, which is connected with the development of chemoresistant forms of the disease in over 70% of patients after initial treatment regimen. Thus, we decided to examine the anticancer properties of SAL and selected SAL derivatives against a series of drug-sensitive (A2780, SK-OV-3) and derived drug-resistant (A2780 CDDP, SK-OV-3 CDDP) ovarian cancer cell lines. Although SAL analogs showed less promising IC50 values than SAL, they were identified as the antitumor agents that significantly overcome the resistance to platinum-based drugs in ovarian cancer, more potent than unmodified SAL and commonly used anticancer drugs—5-fluorouracil, gemcitabine, and cisplatin. Moreover, when compared with SAL used alone, our experiments proved for the first time increased selectivity of SAL-based dual therapy with 5-fluorouracil or gemcitabine, especially towards A2780 cell line. Looking closer at the results, SAL acted synergistically with 5-fluorouracil towards the drug-resistant A2780 cell line. Our results suggest that combinations of SAL with other antineoplastics may become a new therapeutic option for patients with ovarian cancer.
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19
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Herndon JW. The chemistry of the carbon-transition metal double and triple bond: Annual survey covering the year 2018. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2019.213051] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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20
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Antoszczak M, Huczyński A. Salinomycin and its derivatives - A new class of multiple-targeted "magic bullets". Eur J Med Chem 2019; 176:208-227. [PMID: 31103901 DOI: 10.1016/j.ejmech.2019.05.031] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 05/06/2019] [Accepted: 05/08/2019] [Indexed: 12/23/2022]
Abstract
The history of drug development clearly shows the scale of painstaking effort leading to a finished product - a highly biologically active agent that would be at the same time no or little toxic to human organism. Moreover, the aim of modern drug discovery can move from "one-molecule one-target" concept to more promising "one-molecule multiple-targets" one, particularly in the context of effective fight against cancer and other complex diseases. Gratifyingly, natural compounds are excellent source of potential drug leads. One of such promising naturally-occurring drug candidates is a polyether ionophore - salinomycin (SAL). This compound should be identified as multi-target agent for two reasons. Firstly, SAL combines a broad spectrum of bioactivity, including antibacterial, antifungal, antiviral, antiparasitic and anticancer activity, with high selectivity of action, proving its significant therapeutic potential. Secondly, the multimodal mechanism of action of SAL has been shown to be related to its interactions with multiple molecular targets and signalling pathways that are synergistic for achieving a therapeutic anticancer effect. On the other hand, according to the Paul Ehrlich's "magic bullet" concept, invariably inspiring the scientists working on design of novel target-selective molecules, a very interesting direction of research is rational chemical modification of SAL. Importantly, many of SAL derivatives have been found to be more promising as chemotherapeutics than the native structure. This concise review article is focused both on the possible role of SAL and its selected analogues in future antimicrobial and/or cancer therapy, and on the potential use of SAL as a new class of multiple-targeted "magic bullet" because of its multimodal mechanism of action.
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Affiliation(s)
- Michał Antoszczak
- Department of Bioorganic Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Umultowska 89b, 61‒614, Poznań, Poland
| | - Adam Huczyński
- Department of Bioorganic Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Umultowska 89b, 61‒614, Poznań, Poland.
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21
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Markowska A, Kaysiewicz J, Markowska J, Huczyński A. Doxycycline, salinomycin, monensin and ivermectin repositioned as cancer drugs. Bioorg Med Chem Lett 2019; 29:1549-1554. [PMID: 31054863 DOI: 10.1016/j.bmcl.2019.04.045] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Revised: 04/24/2019] [Accepted: 04/26/2019] [Indexed: 01/24/2023]
Abstract
Chemotherapy is one of the standard methods for the treatment of malignant tumors. It aims to cause lethal damage to cellular structures, mainly DNA. Noteworthy, in recent years discoveries of novel anticancer agents from well-known antibiotics have opened up new treatment pathways for several cancer diseases. The aim of this review article is to describe new applications for the following antibiotics: doxycycline (DOX), salinomycin (SAL), monensin (MON) and ivermectin (IVR) as they are known to show anti-tumor activity, but have not yet been introduced into standard oncological therapy. To date, these agents have been used for the treatment of a broad-spectrum of bacterial and parasitic infectious diseases and are widely available, which is why they were selected. The data presented here clearly show that the antibiotics mentioned above should be recognised in the near future as novel agents able to eradicate cancer cells and cancer stem cells (CSCs) across several cancer types.
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Affiliation(s)
- Anna Markowska
- Department of Perinatology and Women's Diseases, Poznan University of Medical Sciences, Polna 33, 60-545 Poznan, Poland
| | | | - Janina Markowska
- Department of Oncology, Poznan University of Medical Sciences, Szamarzewskiego 82/84, 60-569 Poznan, Poland
| | - Adam Huczyński
- Department of Bioorganic Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Umultowska 89b, 61-614 Poznan, Poland.
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22
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Kaushik V, Yakisich JS, Kumar A, Azad N, Iyer AKV. Ionophores: Potential Use as Anticancer Drugs and Chemosensitizers. Cancers (Basel) 2018; 10:cancers10100360. [PMID: 30262730 PMCID: PMC6211070 DOI: 10.3390/cancers10100360] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 09/13/2018] [Accepted: 09/21/2018] [Indexed: 01/08/2023] Open
Abstract
Ion homeostasis is extremely important for the survival of both normal as well as neoplastic cells. The altered ion homeostasis found in cancer cells prompted the investigation of several ionophores as potential anticancer agents. Few ionophores, such as Salinomycin, Nigericin and Obatoclax, have demonstrated potent anticancer activities against cancer stem-like cells that are considered highly resistant to chemotherapy and responsible for tumor relapse. The preclinical success of these compounds in in vitro and in vivo models have not been translated into clinical trials. At present, phase I/II clinical trials demonstrated limited benefit of Obatoclax alone or in combination with other anticancer drugs. However, future development in targeted drug delivery may be useful to improve the efficacy of these compounds. Alternatively, these compounds may be used as leading molecules for the development of less toxic derivatives.
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Affiliation(s)
- Vivek Kaushik
- Department of Pharmaceutical Sciences, School of Pharmacy, Hampton University, Hampton, VA 23668, USA.
| | - Juan Sebastian Yakisich
- Department of Pharmaceutical Sciences, School of Pharmacy, Hampton University, Hampton, VA 23668, USA.
| | - Anil Kumar
- Great Plains Health, North Platte, NE 69101, USA.
| | - Neelam Azad
- Department of Pharmaceutical Sciences, School of Pharmacy, Hampton University, Hampton, VA 23668, USA.
| | - Anand K V Iyer
- Department of Pharmaceutical Sciences, School of Pharmacy, Hampton University, Hampton, VA 23668, USA.
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