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Hussain A, Bourguet-Kondracki ML, Majeed M, Ibrahim M, Imran M, Yang XW, Ahmed I, Altaf AA, Khalil AA, Rauf A, Wilairatana P, Hemeg HA, Ullah R, Green IR, Ali I, Shah STA, Hussain H. Marine life as a source for breast cancer treatment: A comprehensive review. Biomed Pharmacother 2023; 159:114165. [PMID: 36634590 DOI: 10.1016/j.biopha.2022.114165] [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: 03/23/2022] [Revised: 12/27/2022] [Accepted: 12/28/2022] [Indexed: 01/11/2023] Open
Abstract
Breast cancer, one of the most significant tumors among all cancer cells, still has deficiencies for effective treatment. Moreover, substitute treatments employing natural products as bioactive metabolites has been seriously considered. The source of bioactive metabolites are not only the most numerous but also represent the richest source. A unique source is from the oceans or marine species which demonstrated intriguing chemical and biological diversity which represents an astonishing reserve for discovering novel anticancer drugs. Notably, marine sponges produce the largest amount of diverse bioactive peptides, alkaloids, terpenoids, polyketides along with many secondary metabolites whose potential is mostly therapeutic. In this review, our main focus is on the marine derived secondary metabolites which demonstrated cytotoxic effects towards numerous breast cancer cells and have been isolated from the marine sources such as marine sponges, cyanobacteria, fungi, algae, tunicates, actinomycetes, ascidians, and other sources of marine organisms.
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Affiliation(s)
- Amjad Hussain
- Department of Chemistry University of Okara, Okara, Pakistan; Laboratoire Molécules de Communication et Adaptation des Micro-organismes, UMR 7245 MNHN-CNRS, Muséum National d'Histoire Naturelle, 57 rue Cuvier (C.P. 54), 75005 Paris, France.
| | - Marie-Lise Bourguet-Kondracki
- Laboratoire Molécules de Communication et Adaptation des Micro-organismes, UMR 7245 MNHN-CNRS, Muséum National d'Histoire Naturelle, 57 rue Cuvier (C.P. 54), 75005 Paris, France
| | - Maryam Majeed
- Department of Applied Chemistry, Government College University, Faisalabad, Pakistan
| | - Muhammad Ibrahim
- Department of Applied Chemistry, Government College University, Faisalabad, Pakistan
| | - Muhammad Imran
- Department of chemistry, Faculty of Science, Research center for Advanced Materials Science (RCAMS), King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
| | - Xian-Wen Yang
- Key Laboratory of Marine Biogentic Resources, Third Institute of Oceanography, Ministry of Natural Resources, 184 Daxue Road, Xiamen 361005, China
| | - Ishtiaq Ahmed
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK
| | - Ataf Ali Altaf
- Department of Chemistry University of Okara, Okara, Pakistan
| | - Anees Ahmed Khalil
- University Institute of Diet and Nutritional Sciences, Faculty of Allied Health Sciences, The University of Lahore, Pakistan
| | - Abdur Rauf
- Department of Chemistry, University of Swabi Khyber Pukhtanukha, Pakistan
| | - Polrat Wilairatana
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand.
| | - Hassan A Hemeg
- Department of Medical Laboratory Technology, College of Applied Medical Sciences, Taibah University, Al-Medinah Al-Monawara, Saudi Arabia
| | - Riaz Ullah
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Ivan R Green
- Department of Chemistry and Polymer Science, University of Stellenbosch, Private Bag X1, Matieland, Stellenbosch 7600, South Africa
| | - Iftikhar Ali
- Department of Chemistry, Karakoram International University, Gilgit 15100, Pakistan
| | | | - Hidayat Hussain
- Leibniz Institute of Plant Biochemistry, Department of Bioorganic Chemistry, Weinberg 3, D-06120 Halle (Saale), Germany.
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Das R, Rauf A, Mitra S, Emran TB, Hossain MJ, Khan Z, Naz S, Ahmad B, Meyyazhagan A, Pushparaj K, Wan CC, Balasubramanian B, Rengasamy KR, Simal-Gandara J. Therapeutic potential of marine macrolides: An overview from 1990 to 2022. Chem Biol Interact 2022; 365:110072. [PMID: 35952775 DOI: 10.1016/j.cbi.2022.110072] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 07/22/2022] [Accepted: 07/23/2022] [Indexed: 01/05/2023]
Abstract
The sea is a vast ecosystem that has remained primarily unexploited and untapped, resulting in numerous organisms. Consequently, marine organisms have piqued the interest of scientists as an abundant source of natural resources with unique structural features and fascinating biological activities. Marine macrolide is a top-class natural product with a heavily oxygenated polyene backbone containing macrocyclic lactone. In the last few decades, significant efforts have been made to isolate and characterize macrolides' chemical and biological properties. Numerous macrolides are extracted from different marine organisms such as marine microorganisms, sponges, zooplankton, molluscs, cnidarians, red algae, tunicates, and bryozoans. Notably, the prominent macrolide sources are fungi, dinoflagellates, and sponges. Marine macrolides have several bioactive characteristics such as antimicrobial (antibacterial, antifungal, antimalarial, antiviral), anti-inflammatory, antidiabetic, cytotoxic, and neuroprotective activities. In brief, marine organisms are plentiful in naturally occurring macrolides, which can become the source of efficient and effective therapeutics for many diseases. This current review summarizes these exciting and promising novel marine macrolides in biological activities and possible therapeutic applications.
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Affiliation(s)
- Rajib Das
- Department of Pharmacy, Faculty of Pharmacy, University of Dhaka, Dhaka, 1000, Bangladesh.
| | - Abdur Rauf
- Department of Chemistry, University of Swabi, Swabi, 94640, Pakistan.
| | - Saikat Mitra
- Department of Pharmacy, Faculty of Pharmacy, University of Dhaka, Dhaka, 1000, Bangladesh.
| | - Talha Bin Emran
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong, 4381, Bangladesh; Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh.
| | - Md Jamal Hossain
- Department of Pharmacy, State University of Bangladesh, 77 Satmasjid Road, Dhanmondi, Dhaka, 1205, Bangladesh.
| | - Zidan Khan
- Department of Pharmacy, International Islamic University Chittagong, Chittagong, 4318, Bangladesh.
| | - Saima Naz
- Department of Biotechnology, Bacha Khan University, Charsadda, KPK, Pakistan.
| | - Bashir Ahmad
- Department of Biotechnology, Bacha Khan University, Charsadda, KPK, Pakistan.
| | - Arun Meyyazhagan
- Department of Life Science, CHRIST (Deemed to be University), Bengaluru, Karnataka, 560076, India.
| | - Karthika Pushparaj
- Department of Zoology, School of Biosciences, Avinashilingam Institute for Home Science and Higher Education for Women, Coimbatore, 641 043, Tamil Nadu, India.
| | - Chunpeng Craig Wan
- Jiangxi Key Laboratory for Postharvest Technology and Nondestructive Testing of Fruit &Vegetables, Collaborative Innovation Center of Postharvest Key Technology and Quality Safety of Fruit & Vegetables, College of Agronomy, Jiangxi Agricultural University Nanchang, 330045, Jiangxi, China.
| | | | - Kannan Rr Rengasamy
- Centre for Transdisciplinary Research, Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai, 600077, India.
| | - Jesus Simal-Gandara
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E-32004 Ourense, Spain.
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Lénárt J, Gere A, Causon T, Hann S, Dernovics M, Németh O, Hegedűs A, Halász J. LC-MS based metabolic fingerprinting of apricot pistils after self-compatible and self-incompatible pollinations. PLANT MOLECULAR BIOLOGY 2021; 105:435-447. [PMID: 33296063 PMCID: PMC7892686 DOI: 10.1007/s11103-020-01098-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 11/19/2020] [Indexed: 06/12/2023]
Abstract
KEY MESSAGE LC-MS based metabolomics approach revealed that putative metabolites other than flavonoids may significantly contribute to the sexual compatibility reactions in Prunus armeniaca. Possible mechanisms on related microtubule-stabilizing effects are provided. Identification of metabolites playing crucial roles in sexual incompatibility reactions in apricot (Prunus armeniaca L.) was the aim of the study. Metabolic fingerprints of self-compatible and self-incompatible apricot pistils were created using liquid chromatography coupled to time-of-flight mass spectrometry followed by untargeted compound search. Multivariate statistical analysis revealed 15 significant differential compounds among the total of 4006 and 1005 aligned metabolites in positive and negative ion modes, respectively. Total explained variance of 89.55% in principal component analysis (PCA) indicated high quality of differential expression analysis. The statistical analysis showed significant differences between genotypes and pollination time as well, which demonstrated high performance of the metabolic fingerprinting and revealed the presence of metabolites with significant influence on the self-incompatibility reactions. Finally, polyketide-based macrolides similar to peloruside A and a hydroxy sphingosine derivative are suggested to be significant differential metabolites in the experiment. These results indicate a strategy of pollen tubes to protect microtubules and avoid growth arrest involved in sexual incompatibility reactions of apricot.
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Affiliation(s)
- József Lénárt
- Department of Applied Chemistry, Faculty of Food Science, Szent István University, Villányi út 29-43, Budapest, 1118, Hungary
- Department of Genetics and Plant Breeding, Faculty of Horticultural Science, Szent István University, Ménesi út 44, Budapest, 1118, Hungary
| | - Attila Gere
- Department of Postharvest Sciences and Sensory Evaluation, Faculty of Food Science, Szent István University, Villányi út 29-43, 1118, Budapest, Hungary
| | - Tim Causon
- Institute of Analytical Chemistry, University of Natural Resources and Life Sciences, Muthgasse 18, 1190, Vienna, Austria
| | - Stephan Hann
- Institute of Analytical Chemistry, University of Natural Resources and Life Sciences, Muthgasse 18, 1190, Vienna, Austria
| | - Mihály Dernovics
- Department of Plant Physiology, Agricultural Institute, Centre for Agricultural Research, Brunszvik u. 2, Martonvásár, 2462, Hungary
| | - Olga Németh
- Department of Applied Chemistry, Faculty of Food Science, Szent István University, Villányi út 29-43, Budapest, 1118, Hungary
| | - Attila Hegedűs
- Department of Genetics and Plant Breeding, Faculty of Horticultural Science, Szent István University, Ménesi út 44, Budapest, 1118, Hungary
| | - Júlia Halász
- Department of Genetics and Plant Breeding, Faculty of Horticultural Science, Szent István University, Ménesi út 44, Budapest, 1118, Hungary.
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Marine Sponge Natural Products with Anticancer Potential: An Updated Review. Mar Drugs 2017; 15:md15100310. [PMID: 29027954 PMCID: PMC5666418 DOI: 10.3390/md15100310] [Citation(s) in RCA: 89] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Revised: 09/28/2017] [Accepted: 10/09/2017] [Indexed: 12/11/2022] Open
Abstract
Despite the huge investment into research and the significant effort and advances made in the search for new anticancer drugs in recent decades, cancer cure and treatment continue to be a formidable challenge. Many sources, including plants, animals, and minerals, have been explored in the oncological field because of the possibility of identifying novel molecular therapeutics. Marine sponges are a prolific source of secondary metabolites, a number of which showed intriguing tumor chemopreventive and chemotherapeutic properties. Recently, Food and Drug Administration-approved drugs derived from marine sponges have been shown to reduce metastatic breast cancer, malignant lymphoma, and Hodgkin's disease. The chemopreventive and potential anticancer activity of marine sponge-derived compounds could be explained by multiple cellular and molecular mechanisms, including DNA protection, cell-cycle modulation, apoptosis, and anti-inflammatory activities as well as their ability to chemosensitize cancer cells to traditional antiblastic chemotherapy. The present article aims to depict the multiple mechanisms involved in the chemopreventive and therapeutic effects of marine sponges and critically explore the limitations and challenges associated with the development of marine sponge-based anticancer strategy.
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Ruiz-Torres V, Encinar JA, Herranz-López M, Pérez-Sánchez A, Galiano V, Barrajón-Catalán E, Micol V. An Updated Review on Marine Anticancer Compounds: The Use of Virtual Screening for the Discovery of Small-Molecule Cancer Drugs. Molecules 2017; 22:E1037. [PMID: 28644406 PMCID: PMC6152364 DOI: 10.3390/molecules22071037] [Citation(s) in RCA: 126] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Revised: 06/09/2017] [Accepted: 06/19/2017] [Indexed: 12/19/2022] Open
Abstract
Marine secondary metabolites are a promising source of unexploited drugs that have a wide structural diversity and have shown a variety of biological activities. These compounds are produced in response to the harsh and competitive conditions that occur in the marine environment. Invertebrates are considered to be among the groups with the richest biodiversity. To date, a significant number of marine natural products (MNPs) have been established as antineoplastic drugs. This review gives an overview of MNPs, both in research or clinical stages, from diverse organisms that were reported as being active or potentially active in cancer treatment in the past seventeen years (from January 2000 until April 2017) and describes their putative mechanisms of action. The structural diversity of MNPs is also highlighted and compared with the small-molecule anticancer drugs in clinical use. In addition, this review examines the use of virtual screening for MNP-based drug discovery and reveals that classical approaches for the selection of drug candidates based on ADMET (absorption, distribution, metabolism, excretion, and toxicity) filtering may miss potential anticancer lead compounds. Finally, we introduce a novel and publically accessible chemical library of MNPs for virtual screening purposes.
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Affiliation(s)
- Verónica Ruiz-Torres
- Institute of Molecular and Cell Biology (IBMC), Miguel Hernández University (UMH), Avda. Universidad s/n, Elche 03202, Spain.
| | - Jose Antonio Encinar
- Institute of Molecular and Cell Biology (IBMC), Miguel Hernández University (UMH), Avda. Universidad s/n, Elche 03202, Spain.
| | - María Herranz-López
- Institute of Molecular and Cell Biology (IBMC), Miguel Hernández University (UMH), Avda. Universidad s/n, Elche 03202, Spain.
| | - Almudena Pérez-Sánchez
- Institute of Molecular and Cell Biology (IBMC), Miguel Hernández University (UMH), Avda. Universidad s/n, Elche 03202, Spain.
| | - Vicente Galiano
- Physics and Computer Architecture Department, Miguel Hernández University, Avda. Universidad s/n, Elche 03202, Spain.
| | - Enrique Barrajón-Catalán
- Institute of Molecular and Cell Biology (IBMC), Miguel Hernández University (UMH), Avda. Universidad s/n, Elche 03202, Spain.
| | - Vicente Micol
- Institute of Molecular and Cell Biology (IBMC), Miguel Hernández University (UMH), Avda. Universidad s/n, Elche 03202, Spain.
- CIBER, Fisiopatología de la Obesidad y la Nutrición, CIBERobn, Instituto de Salud Carlos III., Palma de Mallorca 07122, Spain (CB12/03/30038).
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Insights into the Distinct Mechanisms of Action of Taxane and Non-Taxane Microtubule Stabilizers from Cryo-EM Structures. J Mol Biol 2017; 429:633-646. [PMID: 28104363 DOI: 10.1016/j.jmb.2017.01.001] [Citation(s) in RCA: 124] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Revised: 12/30/2016] [Accepted: 01/03/2017] [Indexed: 01/08/2023]
Abstract
A number of microtubule (MT)-stabilizing agents (MSAs) have demonstrated or predicted potential as anticancer agents, but a detailed structural basis for their mechanism of action is still lacking. We have obtained high-resolution (3.9-4.2Å) cryo-electron microscopy (cryo-EM) reconstructions of MTs stabilized by the taxane-site binders Taxol and zampanolide, and by peloruside, which targets a distinct, non-taxoid pocket on β-tubulin. We find that each molecule has unique distinct structural effects on the MT lattice structure. Peloruside acts primarily at lateral contacts and has an effect on the "seam" of heterologous interactions, enforcing a conformation more similar to that of homologous (i.e., non-seam) contacts by which it regularizes the MT lattice. In contrast, binding of either Taxol or zampanolide induces MT heterogeneity. In doubly bound MTs, peloruside overrides the heterogeneity induced by Taxol binding. Our structural analysis illustrates distinct mechanisms of these drugs for stabilizing the MT lattice and is of relevance to the possible use of combinations of MSAs to regulate MT activity and improve therapeutic potential.
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Kanakkanthara A, Northcote PT, Miller JH. Peloruside A: a lead non-taxoid-site microtubule-stabilizing agent with potential activity against cancer, neurodegeneration, and autoimmune disease. Nat Prod Rep 2016; 33:549-61. [PMID: 26867978 DOI: 10.1039/c5np00146c] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Covering: 2000 up to 2016Peloruside A, a macrocyclic secondary metabolite from a New Zealand marine sponge, Mycale hentscheli, has shown potent antiproliferative activity in cultured cancer cells as well as inhibitory effects on tumor growth in mouse models. The compound also has promising effects against cell models of neurodegenerative and autoimmune diseases. In mechanistic studies, peloruside A shares with paclitaxel (Taxol®) the ability to stabilize microtubules by binding to β-tubulin. Peloruside A, however, occupies a unique external site on β-tubulin that does not overlap the classical taxoid site that is located on the inside of the microtubule. As such, peloruside A has been of central importance in defining a new microtubule-stabilizer binding site localized on the exterior surface of the microtubule that has led to increased interest in the design of an upscaled total synthesis of the natural product and its analogues. Here, we review advances in the biochemical and biological validation of peloruside A as an attractive therapeutic candidate for the treatment of cancer, neurodegeneration, and autoimmune disease.
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Affiliation(s)
- Arun Kanakkanthara
- Department of Pediatric and Adolescent Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN, USA 55905.
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Meyer CJ, Krauth M, Wick MJ, Shay JW, Gellert G, De Brabander JK, Northcote PT, Miller JH. Peloruside A Inhibits Growth of Human Lung and Breast Tumor Xenografts in an Athymic nu/nu Mouse Model. Mol Cancer Ther 2015; 14:1816-23. [DOI: 10.1158/1535-7163.mct-15-0167] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2015] [Accepted: 05/28/2015] [Indexed: 11/16/2022]
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Chan A, Singh AJ, Northcote PT, Miller JH. Inhibition of human vascular endothelial cell migration and capillary-like tube formation by the microtubule-stabilizing agent peloruside A. Invest New Drugs 2015; 33:564-74. [DOI: 10.1007/s10637-015-0232-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2015] [Accepted: 03/11/2015] [Indexed: 10/24/2022]
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De S, Tsimounis A, Chen X, Rotenberg SA. Phosphorylation of α-tubulin by protein kinase C stimulates microtubule dynamics in human breast cells. Cytoskeleton (Hoboken) 2014; 71:257-72. [PMID: 24574051 PMCID: PMC4113324 DOI: 10.1002/cm.21167] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2013] [Revised: 11/18/2013] [Accepted: 02/03/2014] [Indexed: 01/27/2023]
Abstract
Protein kinase C (PKC) engenders motility through phosphorylation of α-tubulin at Ser-165 in nontransformed MCF-10A cells. Live cell imaging explored the impact of PKC-mediated phosphorylation on microtubule (MT) dynamics. MTs fluorescently labeled with GFP-α-tubulin were treated with diacylglycerol (DAG)-lactone (a membrane-permeable PKC activator), or cotransfected with a pseudophosphorylated S165D-α6-tubulin mutant. Each condition increased the dynamicity of MTs by stimulating the rate and duration of the growth phase and decreasing the frequency of catastrophe. In MDA-MB-231 metastatic breast cells where the intrinsic PKC activity is high, these MT growth parameters were also high but could be suppressed by expression of phosphorylation-resistant S165N-α6-tubulin or by treatment with a pan-PKC inhibitor (bis-indoleylmaleimide). Subcellular fractionation and immunofluorescence of MCF-10A cells showed that phosphorylation (via DAG-lactone) or pseudophosphorylation of α6-tubulin increased its partitioning into MTs as compared to controls, and produced longer, more stable MTs. Following expression of the plus-end binding protein GFP-EB1, DAG-lactone accelerated the formation and increased the number of nascent MTs. Expression of S165D-α6-tubulin promoted Rac1 activation and Rac1-dependent cell motility. These findings call attention to PKC-mediated phosphorylation of α-tubulin as a novel mechanism for controlling the dynamics of MTs that result in cell movement.
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Affiliation(s)
- Shatarupa De
- Department of Chemistry & Biochemistry, The City University of New York
- The Graduate Center, The City University of New York
| | - Areti Tsimounis
- Department of Biology of Queens College, The City University of New York
| | - Xiangyu Chen
- Department of Chemistry & Biochemistry, The City University of New York
- The Graduate Center, The City University of New York
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Wullschleger CW, Gertsch J, Altmann KH. Synthesis and Biological Activity of 7,8,9-Trideoxy- and 7RDesTHP-Peloruside A. Chemistry 2013; 19:13105-11. [DOI: 10.1002/chem.201301796] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2013] [Indexed: 11/09/2022]
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End-binding proteins sensitize microtubules to the action of microtubule-targeting agents. Proc Natl Acad Sci U S A 2013; 110:8900-5. [PMID: 23674690 DOI: 10.1073/pnas.1300395110] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Microtubule-targeting agents (MTAs) are widely used for treatment of cancer and other diseases, and a detailed understanding of the mechanism of their action is important for the development of improved microtubule-directed therapies. Although there is a large body of data on the interactions of different MTAs with purified tubulin and microtubules, much less is known about how the effects of MTAs are modulated by microtubule-associated proteins. Among the regulatory factors with a potential to have a strong impact on MTA activity are the microtubule plus end-tracking proteins, which control multiple aspects of microtubule dynamic instability. Here, we reconstituted microtubule dynamics in vitro to investigate the influence of end-binding proteins (EBs), the core components of the microtubule plus end-tracking protein machinery, on the effects that MTAs exert on microtubule plus-end growth. We found that EBs promote microtubule catastrophe induction in the presence of all MTAs tested. Analysis of microtubule growth times supported the view that catastrophes are microtubule age dependent. This analysis indicated that MTAs affect microtubule aging in multiple ways: destabilizing MTAs, such as colchicine and vinblastine, accelerate aging in an EB-dependent manner, whereas stabilizing MTAs, such as paclitaxel and peloruside A, induce not only catastrophes but also rescues and can reverse the aging process.
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Bennett MJ, Chan GK, Rattner JB, Schriemer DC. Low-dose laulimalide represents a novel molecular probe for investigating microtubule organization. Cell Cycle 2012; 11:3045-54. [PMID: 22871740 DOI: 10.4161/cc.21411] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Laulimalide is a natural product that has strong taxoid-like properties but binds to a distinct site on β-tubulin in the microtubule (MT) lattice. At elevated concentrations, it generates MTs that are resistant to depolymerization, and it induces a conformational state indistinguishable from taxoid-treated MTs. In this study, we describe the effect of low-dose laulimalide on various stages of the cell cycle and compare these effects to docetaxel as a representative of taxoid stabilizers. No evidence of MT bundling in interphase was observed with laulimalide, in spite of the fact that MTs are stabilized at low dose. Cells treated with laulimalide enter mitosis but arrest at prometaphase by generating multiple asters that coalesce into supernumerary poles and interfere with the integrity of the metaphase plate. Cells with a preformed bipolar spindle exist under heightened tension under laulimalide treatment, and chromosomes rapidly shear from the plate, even though the bipolar spindle is well-preserved. Docetaxel generates a similar phenotype for HeLa cells entering mitosis, but when treated at metaphase, cells undergo chromosomal fragmentation and demonstrate reduced centromere dynamics, as expected for a taxoid. Our results suggest that laulimalide represents a new class of molecular probe for investigating MT-mediated events, such as kinetochore-MT interactions, which may reflect the location of the ligand binding site within the interprotofilament groove.
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Affiliation(s)
- Melissa J Bennett
- Department of Biochemistry and Molecular Biology, University of Calgary, Calgary, Alberta, Canada
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Das V, Miller JH. Microtubule stabilization by peloruside A and paclitaxel rescues degenerating neurons from okadaic acid-induced tau phosphorylation. Eur J Neurosci 2012; 35:1705-17. [DOI: 10.1111/j.1460-9568.2012.08084.x] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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15
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Synergistic interactions between peloruside A and other microtubule-stabilizing and destabilizing agents in cultured human ovarian carcinoma cells and murine T cells. Cancer Chemother Pharmacol 2010; 68:117-26. [PMID: 20848285 DOI: 10.1007/s00280-010-1461-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2010] [Accepted: 09/01/2010] [Indexed: 12/29/2022]
Abstract
PURPOSE Microtubule-stabilizing agents are an important class of anticancer compounds. Peloruside A and laulimalide bind to a different site on the microtubule to taxoid site drugs such as paclitaxel (Taxol(®)), docetaxel (Taxotere(®)), ixabepilone (Ixempra(®)), the epothilones, and discodermolide. The purpose of this study was to examine the synergistic interactions of these drugs when given in combination in relation to the differences in their binding sites on the microtubule. METHODS Human ovarian carcinoma cells (1A9 cells) and murine T cells were treated with different combinations of microtubule-stabilizing or destabilizing agents. The compounds were given individually and in combination, and the antiproliferative activity was assessed to calculate a combination index (CI) from the equation: CI = D(1)/Dx(1) + D(2)/Dx(2) in which D(1) and D(2) are the concentrations of drug 1 and drug 2 that when given together give the same response as drug 1 and 2 alone (Dx(1) and Dx(2)). Thus, a CI value of less than 1.0 indicates a synergistic effect between the two drugs in which the response to the two drugs given together is greater than the additive response of the two drugs if given on their own. RESULTS As anticipated from previous in vitro studies, peloruside A and laulimalide did not synergize with each other. They also failed to synergize with the microtubule-destabilizing agents vinblastine and 2-methoxyestradiol. Peloruside A and laulimalide did, however, synergize with the epothilones, as had been previously shown, but not with docetaxel or discodermolide. CONCLUSIONS Combining two microtubule-targeting agents with different binding sites does not guarantee a synergistic interaction in cells, and additional factors are likely to be involved. This study highlights the importance of preclinical testing of actual combinations of drugs before proceeding into clinical trials.
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Miller JH, Singh AJ, Northcote PT. Microtubule-stabilizing drugs from marine sponges: focus on peloruside A and zampanolide. Mar Drugs 2010; 8:1059-79. [PMID: 20479967 PMCID: PMC2866475 DOI: 10.3390/md8041059] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2010] [Revised: 03/13/2010] [Accepted: 03/29/2010] [Indexed: 12/19/2022] Open
Abstract
Marine sponges are an excellent source of bioactive secondary metabolites with potential therapeutic value in the treatment of diseases. One group of compounds of particular interest is the microtubule-stabilizing agents, the most well-known compound of this group being paclitaxel (Taxol), an anti-cancer compound isolated from the bark and leaves of the Pacific yew tree. This review focuses on two of the more recent additions to this important class of drugs, peloruside A and zampanolide, both isolated from marine sponges. Peloruside A was isolated from Mycale hentscheli collected in New Zealand coastal waters, and it already shows promising anti-cancer activity. Two other potent bioactive compounds with different modes of action but isolated from the same sponge, mycalamide A and pateamine, will also be discussed. The fourth compound, zampanolide, most recently isolated from the Tongan sponge Cacospongia mycofijiensis, has only recently been added to the microtubule-stabilizing group of compounds, and further work is in progress to determine its activity profile relative to peloruside A and other drugs of this class.
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Affiliation(s)
- John H. Miller
- School of Biological Sciences and Centre for Biodiscovery, Victoria University of Wellington, PO Box 600, Wellington, New Zealand
| | - A. Jonathan Singh
- School of Chemical and Physical Sciences and Centre for Biodiscovery, Victoria University of Wellington, PO Box 600, Wellington, New Zealand; E-Mails:
(A.J.S.);
(P.T.N.)
| | - Peter T. Northcote
- School of Chemical and Physical Sciences and Centre for Biodiscovery, Victoria University of Wellington, PO Box 600, Wellington, New Zealand; E-Mails:
(A.J.S.);
(P.T.N.)
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