1
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Lee ZY, Lee WH, Lim JS, Ali AAA, Loo JSE, Wibowo A, Mohammat MF, Foo JB. Golgi apparatus targeted therapy in cancer: Are we there yet? Life Sci 2024; 352:122868. [PMID: 38936604 DOI: 10.1016/j.lfs.2024.122868] [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: 01/24/2024] [Revised: 06/14/2024] [Accepted: 06/20/2024] [Indexed: 06/29/2024]
Abstract
Membrane trafficking within the Golgi apparatus plays a pivotal role in the intracellular transportation of lipids and proteins. Dysregulation of this process can give rise to various pathological manifestations, including cancer. Exploiting Golgi defects, cancer cells capitalise on aberrant membrane trafficking to facilitate signal transduction, proliferation, invasion, immune modulation, angiogenesis, and metastasis. Despite the identification of several molecular signalling pathways associated with Golgi abnormalities, there remains a lack of approved drugs specifically targeting cancer cells through the manipulation of the Golgi apparatus. In the initial section of this comprehensive review, the focus is directed towards delineating the abnormal Golgi genes and proteins implicated in carcinogenesis. Subsequently, a thorough examination is conducted on the impact of these variations on Golgi function, encompassing aspects such as vesicular trafficking, glycosylation, autophagy, oxidative mechanisms, and pH alterations. Lastly, the review provides a current update on promising Golgi apparatus-targeted inhibitors undergoing preclinical and/or clinical trials, offering insights into their potential as therapeutic interventions. Significantly more effort is required to advance these potential inhibitors to benefit patients in clinical settings.
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Affiliation(s)
- Zheng Yang Lee
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, 47500 Subang Jaya, Selangor, Malaysia
| | - Wen Hwei Lee
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, 47500 Subang Jaya, Selangor, Malaysia
| | - Jing Sheng Lim
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, 47500 Subang Jaya, Selangor, Malaysia
| | - Afiqah Ali Ajmel Ali
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, 47500 Subang Jaya, Selangor, Malaysia
| | - Jason Siau Ee Loo
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, 47500 Subang Jaya, Selangor, Malaysia; Digital Health and Medical Advancements Impact Lab, Taylor's University, Subang Jaya 47500, Selangor, Malaysia
| | - Agustono Wibowo
- Faculty of Applied Science, Universiti Teknologi MARA (UiTM) Pahang, Jengka Campus, 26400 Bandar Tun Abdul Razak Jengka, Pahang, Malaysia
| | - Mohd Fazli Mohammat
- Organic Synthesis Laboratory, Institute of Science, Universiti Teknologi MARA (UiTM), 40450 Shah Alam, Selangor, Malaysia
| | - Jhi Biau Foo
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, 47500 Subang Jaya, Selangor, Malaysia; Digital Health and Medical Advancements Impact Lab, Taylor's University, Subang Jaya 47500, Selangor, Malaysia
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2
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Human Estrogen Receptor Alpha Antagonists, Part 3: 3-D Pharmacophore and 3-D QSAR Guided Brefeldin A Hit-to-Lead Optimization toward New Breast Cancer Suppressants. Molecules 2022; 27:molecules27092823. [PMID: 35566172 PMCID: PMC9101642 DOI: 10.3390/molecules27092823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/22/2022] [Accepted: 04/23/2022] [Indexed: 02/01/2023] Open
Abstract
The estrogen receptor α (ERα) is an important biological target mediating 17β-estradiol driven breast cancer (BC) development. Aiming to develop innovative drugs against BC, either wild-type or mutated ligand-ERα complexes were used as source data to build structure-based 3-D pharmacophore and 3-D QSAR models, afterward used as tools for the virtual screening of National Cancer Institute datasets and hit-to-lead optimization. The procedure identified Brefeldin A (BFA) as hit, then structurally optimized toward twelve new derivatives whose anticancer activity was confirmed both in vitro and in vivo. Compounds as SERMs showed picomolar to low nanomolar potencies against ERα and were then investigated as antiproliferative agents against BC cell lines, as stimulators of p53 expression, as well as BC cell cycle arrest agents. Most active leads were finally profiled upon administration to female Wistar rats with pre-induced BC, after which 3DPQ-12, 3DPQ-3, 3DPQ-9, 3DPQ-4, 3DPQ-2, and 3DPQ-1 represent potential candidates for BC therapy.
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3
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Lu XX, Jiang YY, Wu YW, Chen GY, Shao CL, Gu YC, Liu M, Wei MY. Semi-Synthesis, Cytotoxic Evaluation, and Structure-Activity Relationships of Brefeldin A Derivatives with Antileukemia Activity. Mar Drugs 2021; 20:26. [PMID: 35049881 PMCID: PMC8777696 DOI: 10.3390/md20010026] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 12/18/2021] [Accepted: 12/22/2021] [Indexed: 11/18/2022] Open
Abstract
Brefeldin A (1), a potent cytotoxic natural macrolactone, was produced by the marine fungus Penicillium sp. (HS-N-29) from the medicinal mangrove Acanthus ilicifolius. Series of its ester derivatives 2-16 were designed and semi-synthesized, and their structures were characterized by spectroscopic methods. Their cytotoxic activities were evaluated against human chronic myelogenous leukemia K562 cell line in vitro, and the preliminary structure-activity relationships revealed that the hydroxy group played an important role. Moreover, the monoester derivatives exhibited stronger cytotoxic activity than the diester derivatives. Among them, brefeldin A 7-O-2-chloro-4,5-difluorobenzoate (7) exhibited the strongest inhibitory effect on the proliferation of K562 cells with an IC50 value of 0.84 µM. Further evaluations indicated that 7 induced cell cycle arrest, stimulated cell apoptosis, inhibited phosphorylation of BCR-ABL, and thereby inactivated its downstream AKT signaling pathway. The expression of downstream signaling molecules in the AKT pathway, including mTOR and p70S6K, was also attenuated after 7-treatment in a dose-dependent manner. Furthermore, molecular modeling of 7 docked into 1 binding site of an ARF1-GDP-GEF complex represented well-tolerance. Taken together, 7 had the potential to be served as an effective antileukemia agent or lead compound for further exploration.
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Affiliation(s)
- Xu-Xiu Lu
- Key Laboratory of Marine Drugs, The Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (X.-X.L.); (Y.-Y.J.); (Y.-W.W.); (C.-L.S.)
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266200, China
| | - Yao-Yao Jiang
- Key Laboratory of Marine Drugs, The Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (X.-X.L.); (Y.-Y.J.); (Y.-W.W.); (C.-L.S.)
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266200, China
| | - Yan-Wei Wu
- Key Laboratory of Marine Drugs, The Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (X.-X.L.); (Y.-Y.J.); (Y.-W.W.); (C.-L.S.)
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266200, China
| | - Guang-Ying Chen
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China;
| | - Chang-Lun Shao
- Key Laboratory of Marine Drugs, The Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (X.-X.L.); (Y.-Y.J.); (Y.-W.W.); (C.-L.S.)
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266200, China
| | - Yu-Cheng Gu
- Syngenta Jealott’s Hill International Research Centre, Bracknell RG42 6EY, UK;
| | - Ming Liu
- Key Laboratory of Marine Drugs, The Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (X.-X.L.); (Y.-Y.J.); (Y.-W.W.); (C.-L.S.)
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266200, China
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Guangxi Normal University, Guilin 541001, China
| | - Mei-Yan Wei
- Key Laboratory of Marine Drugs, The Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (X.-X.L.); (Y.-Y.J.); (Y.-W.W.); (C.-L.S.)
- College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China
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4
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Singh G, Calchera A, Schulz M, Drechsler M, Bode HB, Schmitt I, Dal Grande F. Climate-specific biosynthetic gene clusters in populations of a lichen-forming fungus. Environ Microbiol 2021; 23:4260-4275. [PMID: 34097344 DOI: 10.1111/1462-2920.15605] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 05/17/2021] [Accepted: 05/18/2021] [Indexed: 12/16/2022]
Abstract
Natural products can contribute to abiotic stress tolerance in plants and fungi. We hypothesize that biosynthetic gene clusters (BGCs), the genomic elements that underlie natural product biosynthesis, display structured differences along elevation gradients. We analysed biosynthetic gene variation in natural populations of the lichen-forming fungus Umbilicaria pustulata. We collected a total of 600 individuals from the Mediterranean and cold-temperate climates. Population genomic analyses indicate that U. pustulata contains three clusters that are highly differentiated between the Mediterranean and cold-temperate populations. One entire cluster is exclusively present in cold-temperate populations, and a second cluster is putatively dysfunctional in all cold-temperate populations. In the third cluster variation is fixed in all cold-temperate populations due to hitchhiking. In these two clusters the presence of consistent allele frequency differences among replicate populations/gradients suggests that selection rather than drift is driving the pattern. We advocate that the landscape of fungal biosynthetic genes is shaped by both positive and hitchhiking selection. We demonstrate, for the first time, the presence of climate-associated BGCs and BGC variations in lichen-forming fungi. While the associated secondary metabolites of the candidate clusters are presently unknown, our study paves the way for targeted discovery of natural products with ecological significance.
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Affiliation(s)
- Garima Singh
- Senckenberg Biodiversity and Climate Research Centre (SBiK-F), Frankfurt, 60325, Germany.,LOEWE Center for Translational Biodiversity Genomics (TBG), Frankfurt, 60325, Germany
| | - Anjuli Calchera
- Senckenberg Biodiversity and Climate Research Centre (SBiK-F), Frankfurt, 60325, Germany
| | - Meike Schulz
- Senckenberg Biodiversity and Climate Research Centre (SBiK-F), Frankfurt, 60325, Germany
| | - Moritz Drechsler
- Molekulare Biotechnologie, Fachbereich Biowissenschaften, Goethe Universität Frankfurt, Frankfurt, 60438, Germany.,Department Natural Products in Organismic Interactions, Max-Planck-Institute for Terrestrial Microbiology, Marburg, 35043, Germany
| | - Helge B Bode
- Senckenberg Biodiversity and Climate Research Centre (SBiK-F), Frankfurt, 60325, Germany.,LOEWE Center for Translational Biodiversity Genomics (TBG), Frankfurt, 60325, Germany.,Molekulare Biotechnologie, Fachbereich Biowissenschaften, Goethe Universität Frankfurt, Frankfurt, 60438, Germany.,Department Natural Products in Organismic Interactions, Max-Planck-Institute for Terrestrial Microbiology, Marburg, 35043, Germany.,Buchmann Institute for Molecular Life Sciences, Goethe Universität Frankfurt, Frankfurt, 60438, Germany
| | - Imke Schmitt
- Senckenberg Biodiversity and Climate Research Centre (SBiK-F), Frankfurt, 60325, Germany.,LOEWE Center for Translational Biodiversity Genomics (TBG), Frankfurt, 60325, Germany.,Institute of Ecology, Evolution and Diversity, Fachbereich Biowissenschaften, Goethe Universität Frankfurt, Frankfurt, 60438, Germany
| | - Francesco Dal Grande
- Senckenberg Biodiversity and Climate Research Centre (SBiK-F), Frankfurt, 60325, Germany.,LOEWE Center for Translational Biodiversity Genomics (TBG), Frankfurt, 60325, Germany
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5
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Sebola TE, Uche-Okereafor NC, Mekuto L, Makatini MM, Green E, Mavumengwana V. Antibacterial and Anticancer Activity and Untargeted Secondary Metabolite Profiling of Crude Bacterial Endophyte Extracts from Crinum macowanii Baker Leaves. Int J Microbiol 2020; 2020:8839490. [PMID: 33488726 PMCID: PMC7803143 DOI: 10.1155/2020/8839490] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 09/29/2020] [Accepted: 11/26/2020] [Indexed: 01/08/2023] Open
Abstract
This study isolated and identified endophytic bacteria from the leaves of Crinum macowanii and investigated the potential of the bacterial endophyte extracts as antibacterial and anticancer agents and their subsequent secondary metabolites. Ethyl acetate extracts from the endophytes and the leaves (methanol: dichloromethane (1 : 1)) were used for antibacterial activity against selected pathogenic bacterial strains by using the broth microdilution method. The anticancer activity against the U87MG glioblastoma and A549 lung carcinoma cells was determined by the MTS (3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxy-phenyl)-2-(4-sulfophenyl)-2H-tetrazolium) assay. Bacterial endophytes that were successfully isolated from C. macowanii leaves include Raoultella ornithinolytica, Acinetobacter guillouiae, Pseudomonas sp., Pseudomonas palleroniana, Pseudomonas putida, Bacillus safensis, Enterobacter asburiae, Pseudomonas cichorii, and Arthrobacter pascens. Pseudomonas cichorii exhibited broad antibacterial activity against both Gram-negative and Gram-positive pathogenic bacteria while Arthrobacter pascens displayed the least MIC of 0.0625 mg/mL. Bacillus safensis crude extracts were the only sample that showed notable cell reduction of 50% against A549 lung carcinoma cells at a concentration of 100 μg/mL. Metabolite profiling of Bacillus safensis, Pseudomonas cichorii, and Arthrobacter pascens crude extracts revealed the presence of known antibacterial and/or anticancer agents such as lycorine (1), angustine (2), crinamidine (3), vasicinol (4), and powelline. It can be concluded that the crude bacterial endophyte extracts obtained from C. macowanii leaves can biosynthesize bioactive compounds and can be bioprospected for medical application into antibacterial and anticancer agents.
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Affiliation(s)
- Tendani E. Sebola
- Department of Biotechnology and Food Technology, Faculty of Science, University of Johannesburg, Doornfontein Campus, Johannesburg, South Africa
| | - Nkemdinma C. Uche-Okereafor
- Department of Biotechnology and Food Technology, Faculty of Science, University of Johannesburg, Doornfontein Campus, Johannesburg, South Africa
| | - Lukhanyo Mekuto
- Department of Chemical Engineering, Faculty of Engineering and the Built Environment, University of Johannesburg, Doornfontein Campus, Johannesburg, South Africa
| | - Maya Mellisa Makatini
- Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, Johannesburg, South Africa
| | - Ezekiel Green
- Department of Biotechnology and Food Technology, Faculty of Science, University of Johannesburg, Doornfontein Campus, Johannesburg, South Africa
| | - Vuyo Mavumengwana
- DST-NRF Centre of Excellence for Biomedical Tuberculosis Research, South African Medical Research Council Centre for Tuberculosis Research, Division of Molecular Biology and Human Genetics, Faculty of Medicine and Health Sciences, Stellenbosch University, Tygerberg Campus, Cape Town, South Africa
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6
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Swaney B, Luxenburger A, Lucas NT, Hawkins BC, Hinkley SF. The synthesis of 3-azabicyclo[4.3.0]nonane scaffolds from brefeldin A. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.152006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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7
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Detection of the in vitro modulation of Plasmodium falciparum Arf1 by Sec7 and ArfGAP domains using a colorimetric plate-based assay. Sci Rep 2020; 10:4193. [PMID: 32144363 PMCID: PMC7061341 DOI: 10.1038/s41598-020-61101-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 12/09/2019] [Indexed: 11/18/2022] Open
Abstract
The regulation of human Arf1 GTPase activity by ArfGEFs that stimulate GDP/GTP exchange and ArfGAPs that mediate GTP hydrolysis has attracted attention for the discovery of Arf1 inhibitors as potential anti-cancer agents. The malaria parasite Plasmodium falciparum encodes a Sec7 domain-containing protein - presumably an ArfGEF - and two putative ArfGAPs, as well as an Arf1 homologue (PfArf1) that is essential for blood-stage parasite viability. However, ArfGEF and ArfGAP-mediated activation/deactivation of PfArf1 has not been demonstrated. In this study, we established an in vitro colorimetric microtiter plate-based assay to detect the activation status of truncated human and P. falciparum Arf1 and used it to demonstrate the activation of both proteins by the Sec7 domain of ARNO, their deactivation by the GAP domain of human ArfGAP1 and the inhibition of the respective reactions by the compounds SecinH3 and QS11. In addition, we found that the GAP domains of both P. falciparum ArfGAPs have activities equivalent to that of human ArfGAP1, but are insensitive to QS11. Library screening identified a novel inhibitor which selectively inhibits one of the P. falciparum GAP domains (IC50 4.7 µM), suggesting that the assay format is suitable for screening compound collections for inhibitors of Arf1 regulatory proteins.
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8
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Zeng F, Chen C, Al Chnani AA, Zhou Q, Tong Q, Wang W, Zang Y, Gong J, Wu Z, Liu J, Wang J, Zhu H, Zhang Y. Dibrefeldins A and B, A pair of epimers representing the first brefeldin A dimers with cytotoxic activities from Penicillium janthinellum. Bioorg Chem 2019; 86:176-182. [DOI: 10.1016/j.bioorg.2019.01.042] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 01/17/2019] [Accepted: 01/19/2019] [Indexed: 12/11/2022]
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9
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Prieto-Dominguez N, Parnell C, Teng Y. Drugging the Small GTPase Pathways in Cancer Treatment: Promises and Challenges. Cells 2019; 8:E255. [PMID: 30884855 PMCID: PMC6468615 DOI: 10.3390/cells8030255] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 03/08/2019] [Accepted: 03/13/2019] [Indexed: 02/07/2023] Open
Abstract
Small GTPases are a family of low molecular weight GTP-hydrolyzing enzymes that cycle between an inactive state when bound to GDP and an active state when associated to GTP. Small GTPases regulate key cellular processes (e.g., cell differentiation, proliferation, and motility) as well as subcellular events (e.g., vesicle trafficking), making them key participants in a great array of pathophysiological processes. Indeed, the dysfunction and deregulation of certain small GTPases, such as the members of the Ras and Arf subfamilies, have been related with the promotion and progression of cancer. Therefore, the development of inhibitors that target dysfunctional small GTPases could represent a potential therapeutic strategy for cancer treatment. This review covers the basic biochemical mechanisms and the diverse functions of small GTPases in cancer. We also discuss the strategies and challenges of inhibiting the activity of these enzymes and delve into new approaches that offer opportunities to target them in cancer therapy.
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Affiliation(s)
- Néstor Prieto-Dominguez
- Department of Oral Biology and Diagnostic Sciences, Dental College of Georgia, Augusta University, Augusta, GA 30912, USA.
- Institute of Biomedicine (IBIOMED), University of León, León 24010, Spain.
| | | | - Yong Teng
- Department of Oral Biology and Diagnostic Sciences, Dental College of Georgia, Augusta University, Augusta, GA 30912, USA.
- Medical College of Georgia, Augusta University, Augusta, GA 30912, USA.
- Department of Medical laboratory, Imaging and Radiologic Sciences, College of Allied Health, Augusta University, Augusta, GA 30912, USA.
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10
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Chen Y, Jia Y, Song W, Zhang L. Therapeutic Potential of Nitrogen Mustard Based Hybrid Molecules. Front Pharmacol 2018; 9:1453. [PMID: 30618747 PMCID: PMC6304445 DOI: 10.3389/fphar.2018.01453] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 11/27/2018] [Indexed: 12/22/2022] Open
Abstract
As medicine advances, cancer is still among one of the major health problems, posing significant threats to human health. New anticancer agents features with novel scaffolds and/or unique mechanisms of action are highly desirable for the treatment of cancers, especially those highly aggressive and drug-resistant ones. Nitrogen mustard has been widely used as an anticancer drug since the discovery of its antitumor effect in the 1942. However, the lack of selectivity to cancer cells restricts the wide usage of a mass of nitrogen mustard agents to achieve further clinical significance. Discovery of antitumor hybrids using nitrogen mustards as key functional groups has exhibited enormous potential in the drug development. Introduction of nitrogen mustards resulted in improvement in the activity, selectivity, targetability, safety, pharmacokinetics and pharmacodynamics properties of corresponding lead compounds or agents. Herein, the recently developed nitrogen mustard based hybrids have been introduced in the cancer therapy.
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Affiliation(s)
- Yiming Chen
- Department of Medicinal Chemistry, School of Pharmacy, Weifang Medical University, Weifang, China
| | - Yuping Jia
- Shandong Academy of Pharmaceutical Science, Jinan, China
| | - Weiguo Song
- Department of Medicinal Chemistry, School of Pharmacy, Weifang Medical University, Weifang, China
| | - Lei Zhang
- Department of Medicinal Chemistry, School of Pharmacy, Weifang Medical University, Weifang, China
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11
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Recent Synthesis and Discovery of Brefeldin A Analogs. Mar Drugs 2018; 16:md16040133. [PMID: 29670019 PMCID: PMC5923420 DOI: 10.3390/md16040133] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 04/06/2018] [Accepted: 04/11/2018] [Indexed: 12/23/2022] Open
Abstract
The recent development of analogs of brefeldin A (BFA), a fungal metabolite, for the improvement of BFA apoptosis-inducing activity is described. BFA has been isolated from various soil or, more recently, marine fungi and has shown versatile beneficial activities. More importantly, the apoptosis-inducing activity of BFA in cancer cells highlights the possibility of further developing this natural product as an anticancer agent. Besides its biological importance, its structural features have also gathered tremendous interest from both medicinal and synthetic chemists. By a medicinal chemistry and total synthesis approach, numerous analogs from BFA have been developed to improve its inferior bioavailability and its antiproliferative ability. In this review, the recent medicinal chemistry efforts in relation to the production of BFA analogs are extensively presented.
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12
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Luchsinger C, Aguilar M, Burgos PV, Ehrenfeld P, Mardones GA. Functional disruption of the Golgi apparatus protein ARF1 sensitizes MDA-MB-231 breast cancer cells to the antitumor drugs Actinomycin D and Vinblastine through ERK and AKT signaling. PLoS One 2018; 13:e0195401. [PMID: 29614107 PMCID: PMC5882166 DOI: 10.1371/journal.pone.0195401] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2017] [Accepted: 03/21/2018] [Indexed: 12/26/2022] Open
Abstract
Increasing evidence indicates that the Golgi apparatus plays active roles in cancer, but a comprehensive understanding of its functions in the oncogenic transformation has not yet emerged. At the same time, the Golgi is becoming well recognized as a hub that integrates its functions of protein and lipid biosynthesis to signal transduction for cell proliferation and migration in cancer cells. Nevertheless, the active function of the Golgi apparatus in cancer cells has not been fully evaluated as a target for combined treatment. Here, we analyzed the effect of perturbing the Golgi apparatus on the sensitivity of the MDA-MB-231 breast cancer cell line to the drugs Actinomycin D and Vinblastine. We disrupted the function of ARF1, a protein necessary for the homeostasis of the Golgi apparatus. We found that the expression of the ARF1-Q71L mutant increased the sensitivity of MDA-MB-231 cells to both Actinomycin D and Vinblastine, resulting in decreased cell proliferation and cell migration, as well as in increased apoptosis. Likewise, the combined treatment of cells with Actinomycin D or Vinblastine and Brefeldin A or Golgicide A, two disrupting agents of the ARF1 function, resulted in similar effects on cell proliferation, cell migration and apoptosis. Interestingly, each combined treatment had distinct effects on ERK1/2 and AKT signaling, as indicated by the decreased levels of either phospho-ERK1/2 or phospho-AKT. Our results suggest that disruption of Golgi function could be used as a strategy for the sensitization of cancer cells to chemotherapy.
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Affiliation(s)
- Charlotte Luchsinger
- Department of Physiology, School of Medicine, Universidad Austral de Chile, Valdivia, Chile
- Center for Interdisciplinary Studies of the Nervous System (CISNe), Universidad Austral de Chile, Valdivia, Chile
| | - Marcelo Aguilar
- Department of Physiology, School of Medicine, Universidad Austral de Chile, Valdivia, Chile
- Center for Interdisciplinary Studies of the Nervous System (CISNe), Universidad Austral de Chile, Valdivia, Chile
| | - Patricia V. Burgos
- Department of Physiology, School of Medicine, Universidad Austral de Chile, Valdivia, Chile
- Center for Interdisciplinary Studies of the Nervous System (CISNe), Universidad Austral de Chile, Valdivia, Chile
- Center for Cell Biology and Biomedicine (CEBICEM), School of Medicine and Science, Universidad San Sebastián, Santiago, Chile
- Center for Aging and Regeneration (CARE), Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Pamela Ehrenfeld
- Center for Interdisciplinary Studies of the Nervous System (CISNe), Universidad Austral de Chile, Valdivia, Chile
- Department of Anatomy, Histology and Pathology, School of Medicine, Universidad Austral de Chile, Valdivia, Chile
| | - Gonzalo A. Mardones
- Department of Physiology, School of Medicine, Universidad Austral de Chile, Valdivia, Chile
- Center for Interdisciplinary Studies of the Nervous System (CISNe), Universidad Austral de Chile, Valdivia, Chile
- Center for Cell Biology and Biomedicine (CEBICEM), School of Medicine and Science, Universidad San Sebastián, Santiago, Chile
- * E-mail:
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13
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Han T, Tian K, Pan H, Liu Y, Xu F, Li Z, Uchita T, Gao M, Hua H, Li D. Novel hybrids of brefeldin A and nitrogen mustards with improved antiproliferative selectivity: Design, synthesis and antitumor biological evaluation. Eur J Med Chem 2018. [DOI: 10.1016/j.ejmech.2018.02.088] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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14
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Qu J, Helmchen G. Applications of Iridium-Catalyzed Asymmetric Allylic Substitution Reactions in Target-Oriented Synthesis. Acc Chem Res 2017; 50:2539-2555. [PMID: 28937739 DOI: 10.1021/acs.accounts.7b00300] [Citation(s) in RCA: 230] [Impact Index Per Article: 32.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Metal catalyzed allylic substitution is a cornerstone of organometallic and synthetic chemistry. Enantioselective versions have been developed with catalysts derived from transition metals, most notably molybdenum, nickel, ruthenium, rhodium, iridium, palladium, and copper. The palladium- and the iridium-catalyzed versions have turned out to be particularly versatile in organic synthesis because of the very broad scope of the nucleophile and great functional group compatibility. Assets of the iridium-catalyzed reaction are the formation of branched, chiral products from simple monosubstituted allylic substrates, high degrees of regio- and enantioselectivity, and use of modular, readily available chiral ligands. The possibility to use carbon, nitrogen, oxygen, and sulfur compounds as well as fluoride as nucleophiles allows a wide range of chiral building blocks to be prepared. Our Account begins with the presentation of fundamental reaction schemes and chiral ligands. We will focus our discussion on reactions promoted by phosphoramidite ligands, though numerous chiral ligands have been employed. The subsequent section presents a brief overview of reaction mechanism and experimental conditions. Two versions of the iridium-catalyzed allylic substitution have emerged. In type 1 reactions (introduced in 1997), linear allylic esters are commonly used as substrates under basic reaction conditions. In type 2 reactions (introduced in 2007), environmentally friendly branched allylic alcohols can be reacted under acidic conditions; occasionally, derivatives of allylic alcohols have also been applied. A unique feature of the type 2 reactions is that highly electrophilic allylic intermediates can be brought to reaction with weakly activated alkenes. The subsequent text is ordered according to the strategies followed to transform allylic substitution products to desired targets, most of which are natural products or drugs. Syntheses starting with an intermolecular allylic substitution are discussed first. Some fairly complex targets, for example, the potent nitric oxide inhibitor (-)-nyasol and the drug (-)-protrifenbute, have been synthesized via less than five steps from simple starting materials. Most targets discussed are cyclic compounds. Intermolecular allylic substitution with subsequent ring closing metathesis is a powerful strategy for their synthesis. Highlights are stereodivergent syntheses of Δ9-tetrahydrocannabinols (THC), wherein iridium- and organocatalysis are combined (dual catalysis). The combination of allylic alkylation with a Diels-Alder reaction was utilized to synthesize the ketide apiosporic acid and the drug fesoterodine (Toviaz). Sequential allylic amination, hydroboration and Suzuki-Miyaura coupling generates enones suitable for conjugate addition reactions; this strategy was employed in syntheses of a variety of alkaloids, for example, the poison frog alkaloid (+)-cis-195A (pumiliotoxin C). Intramolecular substitutions offer interesting possibilities to build up stereochemical complexity via short synthetic routes. For example, in diastereoselective cyclizations of chiral compounds, substrate control can be overruled by catalyst control in order to generate cis- and trans-isomers selectively from a given precursor. This approach was used to prepare a variety of piperidine and pyrrolidine alkaloids. Finally, complex polycyclic structures, including the structurally unusual indolosesquiterpenoid mycoleptodiscin A, have been generated diastereo- and enantioselectively from olefins by polyene cyclizations and from electron-rich arenes, such as indoles, in dearomatization reactions.
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Affiliation(s)
- Jianping Qu
- Institute of Advanced
Synthesis, Nanjing Tech University, Nanjing 211816, China
| | - Günter Helmchen
- Organisch-Chemisches Institut der Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, D-69120 Heidelberg, Germany
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15
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Xiong Z, Hale KJ. Total Synthesis of the Antitumor Macrolides, (+)-Brefeldin A and 4-Epi-Brefeldin A from d-Glucose: Use of the Padwa Anionic Allenylsulfone [3 + 2]-Cycloadditive Elimination To Construct Trans-Configured Chiral Cyclopentane Systems. Org Lett 2016; 18:4254-7. [DOI: 10.1021/acs.orglett.6b02002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ziyue Xiong
- The School of Chemistry & Chemical Engineering and the Centre for Cancer Research and Cell Biology (CCRCB), The Queen’s University Belfast, Stranmillis Road, Belfast BT9 5AG, Northern Ireland, United Kingdom
| | - Karl J. Hale
- The School of Chemistry & Chemical Engineering and the Centre for Cancer Research and Cell Biology (CCRCB), The Queen’s University Belfast, Stranmillis Road, Belfast BT9 5AG, Northern Ireland, United Kingdom
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16
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Hu ZF, Qin LL, Ding WJ, Liu Y, Ma ZJ. New analogues of brefeldin A from sediment-derived fungus Penicillium sp. DT-F29. Nat Prod Res 2016; 30:2311-5. [DOI: 10.1080/14786419.2016.1169414] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Zhi-Fei Hu
- Institute of Marine Biology & Natural Products, Ocean College, Zhejiang Univesity, Hangzhou, China
| | - Le-Le Qin
- Institute of Marine Biology & Natural Products, Ocean College, Zhejiang Univesity, Hangzhou, China
| | - Wan-Jing Ding
- Institute of Marine Biology & Natural Products, Ocean College, Zhejiang Univesity, Hangzhou, China
| | - Yu Liu
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou, China
| | - Zhong-Jun Ma
- Institute of Marine Biology & Natural Products, Ocean College, Zhejiang Univesity, Hangzhou, China
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17
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Han X, Sun N, Wu H, Guo D, Tien P, Dong C, Wu S, Zhou HB. Identification and Structure–Activity Relationships of Diarylhydrazides as Novel Potent and Selective Human Enterovirus Inhibitors. J Med Chem 2016; 59:2139-50. [DOI: 10.1021/acs.jmedchem.5b01803] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xin Han
- State
Key Laboratory of Virology, Key Laboratory of Combinatorial Biosynthesis
and Drug Discovery, Ministry of Education, Wuhan University School of Pharmaceutical Sciences, Wuhan 430071, China
| | - Ningyuan Sun
- College
of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Haoming Wu
- College
of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Deyin Guo
- College
of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Po Tien
- College
of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Chune Dong
- State
Key Laboratory of Virology, Key Laboratory of Combinatorial Biosynthesis
and Drug Discovery, Ministry of Education, Wuhan University School of Pharmaceutical Sciences, Wuhan 430071, China
| | - Shuwen Wu
- College
of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Hai-Bing Zhou
- State
Key Laboratory of Virology, Key Laboratory of Combinatorial Biosynthesis
and Drug Discovery, Ministry of Education, Wuhan University School of Pharmaceutical Sciences, Wuhan 430071, China
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18
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Fuchs M, Fürstner A. trans-Hydrogenation: application to a concise and scalable synthesis of brefeldin A. Angew Chem Int Ed Engl 2015; 54:3978-82. [PMID: 25651519 PMCID: PMC4471581 DOI: 10.1002/anie.201411618] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2014] [Indexed: 11/07/2022]
Abstract
The important biochemical probe molecule brefeldin A (1) has served as an inspirational target in the past, but none of the many routes has actually delivered more than just a few milligrams of product, where documented. The approach described herein is clearly more efficient; it hinges upon the first implementation of ruthenium-catalyzed trans-hydrogenation in natural products total synthesis. Because this unorthodox reaction is selective for the triple bond and does not touch the transannular alkene or the lactone site of the cycloalkyne, it outperforms the classical Birch-type reduction that could not be applied at such a late stage. Other key steps en route to 1 comprise an iron-catalyzed reductive formation of a non-terminal alkyne, an asymmetric propiolate carbonyl addition mediated by a bulky amino alcohol, and a macrocyclization by ring-closing alkyne metathesis catalyzed by a molybdenum alkylidyne.
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Affiliation(s)
- Michael Fuchs
- Max-Planck-Institut für Kohlenforschung45470 Mülheim/Ruhr (Germany)
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung45470 Mülheim/Ruhr (Germany)
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19
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Fuchs M, Fürstner A. trans-Hydrogenation: Application to a Concise and Scalable Synthesis of Brefeldin A. ANGEWANDTE CHEMIE (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2015; 127:4050-4054. [PMID: 27478259 PMCID: PMC4955225 DOI: 10.1002/ange.201411618] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2014] [Indexed: 12/23/2022]
Abstract
The important biochemical probe molecule brefeldin A (1) has served as an inspirational target in the past, but none of the many routes has actually delivered more than just a few milligrams of product, where documented. The approach described herein is clearly more efficient; it hinges upon the first implementation of ruthenium-catalyzed trans-hydrogenation in natural products total synthesis. Because this unorthodox reaction is selective for the triple bond and does not touch the transannular alkene or the lactone site of the cycloalkyne, it outperforms the classical Birch-type reduction that could not be applied at such a late stage. Other key steps en route to 1 comprise an iron-catalyzed reductive formation of a non-terminal alkyne, an asymmetric propiolate carbonyl addition mediated by a bulky amino alcohol, and a macrocyclization by ring-closing alkyne metathesis catalyzed by a molybdenum alkylidyne.
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Affiliation(s)
- Michael Fuchs
- Max‐Planck‐Institut für Kohlenforschung, 45470 Mülheim/Ruhr (Germany)
| | - Alois Fürstner
- Max‐Planck‐Institut für Kohlenforschung, 45470 Mülheim/Ruhr (Germany)
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20
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Ferreira JG, Princival CR, Oliveira DM, Nascimento RX, Princival JL. Enzymatic kinetic resolution of internal propargylic diols. Part I: a new approach for the synthesis of (S)-pent-2-yn-1,4-diol, a natural product from Clitocybe catinus. Org Biomol Chem 2015; 13:6458-62. [DOI: 10.1039/c5ob00386e] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
An efficient two round EKR of bis-substituted propargylic diols has been described and applied for synthesize (S)-pent-2-yn-1,4-diol, a natural product from Clitocybe catinus.
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Affiliation(s)
- Jeiely G. Ferreira
- Departamento de Química Fundamental
- Universidade Federal de Pernambuco - UFPE
- Recife
- Brasil
| | - Cleverson R. Princival
- Departamento de Química Fundamental
- Instituto de Química
- Universidade de São Paulo-USP
- São Paulo
- Brasil
| | - Dyego M. Oliveira
- Departamento de Química Fundamental
- Universidade Federal de Pernambuco - UFPE
- Recife
- Brasil
| | - Renata X. Nascimento
- Departamento de Química Fundamental
- Universidade Federal de Pernambuco - UFPE
- Recife
- Brasil
| | - Jefferson L. Princival
- Departamento de Química Fundamental
- Universidade Federal de Pernambuco - UFPE
- Recife
- Brasil
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21
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Overy DP, Berrue F, Correa H, Hanif N, Hay K, Lanteigne M, Mquilian K, Duffy S, Boland P, Jagannathan R, Carr GS, Vansteeland M, Kerr RG. Sea foam as a source of fungal inoculum for the isolation of biologically active natural products. Mycology 2014; 5:130-144. [PMID: 25379337 PMCID: PMC4205912 DOI: 10.1080/21501203.2014.931893] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2014] [Accepted: 06/02/2014] [Indexed: 02/05/2023] Open
Abstract
Due to a rate increase in the resistance of microbial pathogens to currently used antibiotics, there is a need in society for the discovery of novel antimicrobials. Historically, fungi are a proven source for antimicrobial compounds. The main goals of this study were to investigate the fungal diversity associated with sea foam collected around the coast of Prince Edward Island and the utility of this resource for the production of antimicrobial natural products. Obtained isolates were identified using ITS and nLSU rDNA sequences, fermented on four media, extracted and fractions enriched in secondary metabolites were screened for antimicrobial activity. The majority of the isolates obtained were ascomycetes, consisting of four recognized marine taxa along with other ubiquitous genera and many 'unknown' isolates that could not be identified to the species level using rDNA gene sequences. Secondary metabolite isolation efforts lead to the purification of the metabolites epolones A and B, pycnidione and coniothyrione from a strain of Neosetophoma samarorum; brefeldin A, leptosin J and the metabolite TMC-264 from an unknown fungus (probably representative of an Edenia sp.); and 1-hydroxy-6-methyl-8-hydroxymethylxanthone, chrysophanol and chrysophanol bianthrone from a Phaeospheria spartinae isolate. The biological activity of each of these metabolites was assessed against a panel of microbial pathogens as well as several cell lines.
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Affiliation(s)
- David P Overy
- Nautilus Biosciences Canada Inc., Duffy Research Center , 550 University Ave., Charlottetown , PEI , Canada C1A 4P3 ; Department of Chemistry, University of Prince Edward Island , 550 University Ave., Charlottetown , PEI , Canada C1A 4P3 ; Department of Pathology and Microbiology, Atlantic Veterinary College, University of Prince Edward Island , 550 University Ave., Charlottetown , PEI , Canada C1A 4P3
| | - Fabrice Berrue
- Nautilus Biosciences Canada Inc., Duffy Research Center , 550 University Ave., Charlottetown , PEI , Canada C1A 4P3 ; Department of Chemistry, University of Prince Edward Island , 550 University Ave., Charlottetown , PEI , Canada C1A 4P3
| | - Hebelin Correa
- Nautilus Biosciences Canada Inc., Duffy Research Center , 550 University Ave., Charlottetown , PEI , Canada C1A 4P3
| | - Novriyandi Hanif
- Department of Chemistry, University of Prince Edward Island , 550 University Ave., Charlottetown , PEI , Canada C1A 4P3
| | - Kathryn Hay
- Department of Biology, University of Prince Edward Island , 550 University Ave., Charlottetown , PEI , Canada C1A 4P3
| | - Martin Lanteigne
- Department of Chemistry, University of Prince Edward Island , 550 University Ave., Charlottetown , PEI , Canada C1A 4P3
| | - Kathrine Mquilian
- Nautilus Biosciences Canada Inc., Duffy Research Center , 550 University Ave., Charlottetown , PEI , Canada C1A 4P3
| | - Stephanie Duffy
- Nautilus Biosciences Canada Inc., Duffy Research Center , 550 University Ave., Charlottetown , PEI , Canada C1A 4P3
| | - Patricia Boland
- Department of Chemistry, University of Prince Edward Island , 550 University Ave., Charlottetown , PEI , Canada C1A 4P3
| | - Ramesh Jagannathan
- Nautilus Biosciences Canada Inc., Duffy Research Center , 550 University Ave., Charlottetown , PEI , Canada C1A 4P3
| | - Gavin S Carr
- Nautilus Biosciences Canada Inc., Duffy Research Center , 550 University Ave., Charlottetown , PEI , Canada C1A 4P3
| | - Marieke Vansteeland
- Nautilus Biosciences Canada Inc., Duffy Research Center , 550 University Ave., Charlottetown , PEI , Canada C1A 4P3
| | - Russell G Kerr
- Nautilus Biosciences Canada Inc., Duffy Research Center , 550 University Ave., Charlottetown , PEI , Canada C1A 4P3 ; Department of Chemistry, University of Prince Edward Island , 550 University Ave., Charlottetown , PEI , Canada C1A 4P3 ; Department of Biomedical Sciences, Atlantic Veterinary College, University of Prince Edward Island , 550 University Ave., Charlottetown , PEI , Canada C1A 4P3
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