1
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Garcia MR, Andrade PB, Lefranc F, Gomes NGM. Marine-Derived Leads as Anticancer Candidates by Disrupting Hypoxic Signaling through Hypoxia-Inducible Factors Inhibition. Mar Drugs 2024; 22:143. [PMID: 38667760 PMCID: PMC11051506 DOI: 10.3390/md22040143] [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: 03/06/2024] [Revised: 03/21/2024] [Accepted: 03/21/2024] [Indexed: 04/28/2024] Open
Abstract
The inadequate vascularization seen in fast-growing solid tumors gives rise to hypoxic areas, fostering specific changes in gene expression that bolster tumor cell survival and metastasis, ultimately leading to unfavorable clinical prognoses across different cancer types. Hypoxia-inducible factors (HIF-1 and HIF-2) emerge as druggable pivotal players orchestrating tumor metastasis and angiogenesis, thus positioning them as prime targets for cancer treatment. A range of HIF inhibitors, notably natural compounds originating from marine organisms, exhibit encouraging anticancer properties, underscoring their significance as promising therapeutic options. Bioprospection of the marine environment is now a well-settled approach to the discovery and development of anticancer agents that might have their medicinal chemistry developed into clinical candidates. However, despite the massive increase in the number of marine natural products classified as 'anticancer leads,' most of which correspond to general cytotoxic agents, and only a few have been characterized regarding their molecular targets and mechanisms of action. The current review presents a critical analysis of inhibitors of HIF-1 and HIF-2 and hypoxia-selective compounds that have been sourced from marine organisms and that might act as new chemotherapeutic candidates or serve as templates for the development of structurally similar derivatives with improved anticancer efficacy.
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Affiliation(s)
- Maria Rita Garcia
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Departamento de Química, Faculdade de Farmácia, Universidade do Porto, 4050-313 Porto, Portugal; (M.R.G.); (P.B.A.)
- 1H-TOXRUN-Toxicology Research Unit, University Institute of Health Sciences, CESPU, CRL, 4585-116 Gandra, Portugal
- UCIBIO/REQUIMTE, Laboratory of Toxicology, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Paula B. Andrade
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Departamento de Química, Faculdade de Farmácia, Universidade do Porto, 4050-313 Porto, Portugal; (M.R.G.); (P.B.A.)
| | - Florence Lefranc
- Department of Neurosurgery, Hôpital Universitaire de Bruxelles (H.U.B), CUB Hôpital Erasme, Université Libre de Bruxelles (ULB), 1070 Brussels, Belgium;
| | - Nelson G. M. Gomes
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Departamento de Química, Faculdade de Farmácia, Universidade do Porto, 4050-313 Porto, Portugal; (M.R.G.); (P.B.A.)
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2
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Cooreman K, De Spiegeleer B, Van Poucke C, Vanavermaete D, Delbare D, Wynendaele E, De Witte B. Emerging pharmaceutical therapies of Ascidian-derived natural products and derivatives. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 102:104254. [PMID: 37648122 DOI: 10.1016/j.etap.2023.104254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 08/22/2023] [Accepted: 08/23/2023] [Indexed: 09/01/2023]
Abstract
In a growing multidrug-resistant environment, the identification of potential new drug candidates with an acceptable safety profile is a substantial crux in pharmaceutical discovery. This review discusses several aspects and properties of approved marine natural products derived from ascidian sources (phylum Chordata, subphylum Tunicata) and/or their deduced analogues including their biosynthetic origin, (bio)chemical preclinical assessments and known efficacy-safety profiles, clinical status in trials, but also translational developments, opportunities and final conclusions. The review also describes the preclinical assessments of a large number of other ascidian compounds that have not been involved in clinical trials yet. Finally, the emerging research on the connectivity of the ascidian hosts and their independent or obligate symbiotic guests is discussed. The review covers the latest information on the topic of ascidian-derived marine natural products over the last two decades including 2022, with the majority of publications published in the last decade.
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Affiliation(s)
- Kris Cooreman
- Aquatic Environment and Quality, Animal Sciences Unit, Flanders Research Institute for Agriculture, Fisheries and Food, Jacobsenstraat 1, BE-8400 Ostend, Belgium
| | - Bart De Spiegeleer
- Faculty of Pharmaceutical Sciences, Drug Quality and Registration Group, Ghent University, Ottergemsesteenweg 460, BE-9000 Ghent, Belgium
| | - Christof Van Poucke
- Technology and Food Science Unit, Flanders Research Institute for Agriculture, Fisheries and Food, Brusselsesteenweg 370, BE-9090 Melle, Belgium
| | - David Vanavermaete
- Aquatic Environment and Quality, Animal Sciences Unit, Flanders Research Institute for Agriculture, Fisheries and Food, Jacobsenstraat 1, BE-8400 Ostend, Belgium
| | - Daan Delbare
- Aquatic Environment and Quality, Animal Sciences Unit, Flanders Research Institute for Agriculture, Fisheries and Food, Jacobsenstraat 1, BE-8400 Ostend, Belgium
| | - Evelien Wynendaele
- Faculty of Pharmaceutical Sciences, Drug Quality and Registration Group, Ghent University, Ottergemsesteenweg 460, BE-9000 Ghent, Belgium
| | - Bavo De Witte
- Aquatic Environment and Quality, Animal Sciences Unit, Flanders Research Institute for Agriculture, Fisheries and Food, Jacobsenstraat 1, BE-8400 Ostend, Belgium.
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3
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Reddy Potuganti G, Kandula A, Vashishtha K, Reddy Indukuri D, Alla M. Copper Mediated Direct Amination: Synthesis of 1,2,3,15
a
‐tetrahydro‐14
H
‐pyrrolo[1,2‐
a
]quinazolino[3,2‐
c
]quinazolin‐14‐onederivatives
via
2‐(2‐bromophenyl)quinazolin‐4(3
H
)‐ones. ChemistrySelect 2022. [DOI: 10.1002/slct.202204173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Gal Reddy Potuganti
- Division of Fluoro and Agrochemicals CSIR-Indian Institute of Chemical Technology Tarnaka Hyderabad, 500007 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Aravind Kandula
- Division of Fluoro and Agrochemicals CSIR-Indian Institute of Chemical Technology Tarnaka Hyderabad, 500007 India
| | - Kirti Vashishtha
- Division of Fluoro and Agrochemicals CSIR-Indian Institute of Chemical Technology Tarnaka Hyderabad, 500007 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Divakar Reddy Indukuri
- Division of Fluoro and Agrochemicals CSIR-Indian Institute of Chemical Technology Tarnaka Hyderabad, 500007 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Manjula Alla
- Division of Fluoro and Agrochemicals CSIR-Indian Institute of Chemical Technology Tarnaka Hyderabad, 500007 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
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4
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Chen J, Wang Y, Luo X, Chen Y. Recent research progress and outlook in agricultural chemical discovery based on quinazoline scaffold. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2022; 184:105122. [PMID: 35715060 DOI: 10.1016/j.pestbp.2022.105122] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 05/08/2022] [Accepted: 05/11/2022] [Indexed: 05/27/2023]
Abstract
The discovery of new scaffolds and targets for pesticides is still a huge challenge facing the sustainable development of modern agriculture. In recent years, quinazoline derivatives have achieved great progress in drug discovery and have attracted great attention. Quinazoline is a unique bicyclic scaffold with a variety of biological activities, which increases the possibilities and flexibility of structural modification, showing enormous appeal in the discovery of new pesticides. Therefore, the agricultural biological activities, structure-activity relationships (SAR), and mechanism of action of quinazoline derivatives in the past decade were reviewed systematically, with emphasis on SAR and mechanism. Then, we prospected the application of the quinazoline scaffold as a special structure in agricultural chemical discovery, hoping to provide new ideas for the rational design and mechanism of novel quinazoline agricultural chemicals in the future.
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Affiliation(s)
- Jixiang Chen
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China.
| | - Yu Wang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Xin Luo
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Yifang Chen
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
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5
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Liu M, Zhang X, Li G. Structural and Biological Insights into the Hot‐spot Marine Natural Products Reported from 2012 to 2021. CHINESE J CHEM 2022. [DOI: 10.1002/cjoc.202200129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Mingyu Liu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy Ocean University of China Qingdao 266003 China
- State Key Laboratory of Microbial Technology Shandong University Qingdao 266237 China
| | - Xingwang Zhang
- State Key Laboratory of Microbial Technology Shandong University Qingdao 266237 China
| | - Guoqiang Li
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy Ocean University of China Qingdao 266003 China
- Laboratory of Marine Drugs and Biological Products, National Laboratory for Marine Science and Technology Qingdao 266235 China
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6
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Jamuna K, Thimmarayaperumal S, Aravind MK, Sivakumar S, Ashokkumar B. Synthesis of indenophenanthridine via a [4+2] annulation strategy: a “turn-off’’ Fe 3+ ion sensor, practical application in live cell imaging and reversible acidochromism studies. NEW J CHEM 2022. [DOI: 10.1039/d2nj00579d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient protocol has been developed for the synthesis of a novel fluorescent probe, 1,2-disubstituted-indeno[1,2,3-gh]phenanthridine, derived from a series of α-oxo-ketene dithioacetals (OKDTAs) and indenoquinoline under essential conditions via a [4+2] annulation in excellent yield.
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Affiliation(s)
- Kannan Jamuna
- Department of Organic Chemistry, School of Chemistry, Madurai Kamaraj University, Madurai, 625021, India
| | | | | | - Shanmugam Sivakumar
- Department of Organic Chemistry, School of Chemistry, Madurai Kamaraj University, Madurai, 625021, India
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7
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Tempone AG, Pieper P, Borborema SET, Thevenard F, Lago JHG, Croft SL, Anderson EA. Marine alkaloids as bioactive agents against protozoal neglected tropical diseases and malaria. Nat Prod Rep 2021; 38:2214-2235. [PMID: 34913053 PMCID: PMC8672869 DOI: 10.1039/d0np00078g] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Indexed: 01/09/2023]
Abstract
Covering: 2000 up to 2021Natural products are an important resource in drug discovery, directly or indirectly delivering numerous small molecules for potential development as human medicines. Among the many classes of natural products, alkaloids have a rich history of therapeutic applications. The extensive chemodiversity of alkaloids found in the marine environment has attracted considerable attention for such uses, while the scarcity of these natural materials has stimulated efforts towards their total synthesis. This review focuses on the biological activity of marine alkaloids (covering 2000 to up to 2021) towards Neglected Tropical Diseases (NTDs) caused by protozoan parasites, and malaria. Chemotherapy represents the only form of treatment for Chagas disease, human African trypanosomiasis, leishmaniasis and malaria, but there is currently a restricted arsenal of drugs, which often elicit severe adverse effects, show variable efficacy or resistance, or are costly. Natural product scaffolds have re-emerged as a focus of academic drug discovery programmes, offering a different resource to discover new chemical entities with new modes of action. In this review, the potential of a range of marine alkaloids is analyzed, accompanied by coverage of synthetic efforts that enable further studies of key antiprotozoal natural product scaffolds.
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Affiliation(s)
- Andre G Tempone
- Centre for Parasitology and Mycology, Instituto Adolfo Lutz, São Paulo, 01246-000, Brazil.
| | - Pauline Pieper
- Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, UK.
| | - Samanta E T Borborema
- Centre for Parasitology and Mycology, Instituto Adolfo Lutz, São Paulo, 01246-000, Brazil.
| | - Fernanda Thevenard
- Centre of Natural Sciences and Humanities, Federal University of ABC, Sao Paulo, 09210-580, Brazil
| | - Joao Henrique G Lago
- Centre of Natural Sciences and Humanities, Federal University of ABC, Sao Paulo, 09210-580, Brazil
| | - Simon L Croft
- Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London WC1E 7HT, UK.
| | - Edward A Anderson
- Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, UK.
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8
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Grkovic T, Ruchirawat S, Kittakoop P, Grothaus PG, Evans JR, Britt JR, Newman DJ, Mahidol C, O'Keefe BR. A New Bispyrroloiminoquinone Alkaloid From a Thai Collection of
Clavelina
sp. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Tanja Grkovic
- Natural Products Branch Developmental Therapeutics Program Division of Cancer Treatment and Diagnosis National Cancer Institute Frederick Maryland 21702-1201 USA
- Molecular Targets Program Center for Cancer Research National Cancer Institute Frederick Maryland 21702-1201 USA
| | - Somsak Ruchirawat
- Laboratory of Natural Products Chulabhorn Research Institute Kamphang Phet 6 Road Bangkok 10210 Thailand
- Chemical Biology Program Chulabhorn Graduate Institute Kamphang Phet 6 Road Bangkok 10210 Thailand
- Center of Excellence on Environmental Health and Technology CHE Ministry of Education Bangkok Thailand
| | - Prasat Kittakoop
- Laboratory of Natural Products Chulabhorn Research Institute Kamphang Phet 6 Road Bangkok 10210 Thailand
- Chemical Biology Program Chulabhorn Graduate Institute Kamphang Phet 6 Road Bangkok 10210 Thailand
- Center of Excellence on Environmental Health and Technology CHE Ministry of Education Bangkok Thailand
| | - Paul G. Grothaus
- Natural Products Branch Developmental Therapeutics Program Division of Cancer Treatment and Diagnosis National Cancer Institute Frederick Maryland 21702-1201 USA
| | - Jason R. Evans
- Natural Products Branch Developmental Therapeutics Program Division of Cancer Treatment and Diagnosis National Cancer Institute Frederick Maryland 21702-1201 USA
| | - John R. Britt
- Natural Products Support Group Frederick National Laboratory for Cancer Research Frederick Maryland 21702-1201 USA
| | - David J. Newman
- Natural Products Branch Developmental Therapeutics Program Division of Cancer Treatment and Diagnosis National Cancer Institute Frederick Maryland 21702-1201 USA
| | - Chulabhorn Mahidol
- Laboratory of Natural Products Chulabhorn Research Institute Kamphang Phet 6 Road Bangkok 10210 Thailand
- Chemical Biology Program Chulabhorn Graduate Institute Kamphang Phet 6 Road Bangkok 10210 Thailand
| | - Barry R. O'Keefe
- Natural Products Branch Developmental Therapeutics Program Division of Cancer Treatment and Diagnosis National Cancer Institute Frederick Maryland 21702-1201 USA
- Molecular Targets Program Center for Cancer Research National Cancer Institute Frederick Maryland 21702-1201 USA
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9
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Ban HS, Uto Y, Nakamura H. Hypoxia-inducible factor (HIF) inhibitors: a patent survey (2016-2020). Expert Opin Ther Pat 2021; 31:387-397. [PMID: 33455469 DOI: 10.1080/13543776.2021.1874345] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Introduction: Hypoxia-inducible factor (HIF) is a master regulator of oxygen homeostasis. The increased expression of genes targeted by HIF is associated with many human diseases, including ischemic cardiovascular disease, stroke, chronic lung disease, and cancer.Areas covered: This patent survey summarizes the information about patented HIF inhibitors over the last 5 years.Expert opinion: HIF inhibitors have shown promise for the treatment of hypoxic pulmonary hypertension, a circadian rhythm disorder, calcific aortic valve disease, cerebrovascular accident, and heterotopic ossification. In addition, HIF-2α inhibitors can be used for the treatment or prevention of iron overload disorders, Crohn's disease, ulcerative colitis, and thyroid eye disease, or to improve muscle generation and repair. PT2385 completed phase I clinical trials for the treatment of clear cell renal cell carcinoma. It exerted a higher synergistic inhibitory effect on tumor growth in combination with anti-PD-1 antibody, in comparison with each treatment alone, indicating that effective immunotherapy for solid tumors counteracts of the immunosuppression induced by hypoxia. Therefore, considering the effects of hypoxia on cancer cells, stromal cells, and effector immune cells, it is important to develop inhibitors of molecular pathways activated by hypoxia for successful treatments.
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Affiliation(s)
- Hyun Seung Ban
- Biomedical Translational Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
| | - Yoshikazu Uto
- ASCA Company, Daiichi Sankyo Co., Ltd., Tokyo, Japan
| | - Hiroyuki Nakamura
- cLaboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, Yokohama, Japan
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10
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Zhang Q, Han Z, Zhu Y, Chen J, Li W. Role of hypoxia inducible factor-1 in cancer stem cells (Review). Mol Med Rep 2020; 23:17. [PMID: 33179080 PMCID: PMC7673349 DOI: 10.3892/mmr.2020.11655] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 09/25/2020] [Indexed: 02/06/2023] Open
Abstract
Cancer stem cells (CSCs) have been found to play a decisive role in cancer recurrence, metastasis, and chemo‑, radio‑ and immuno‑resistance. Understanding the mechanism of CSC self‑renewal and proliferation may help overcome the limitations of clinical treatment. The microenvironment of tumor growth consists of a lack of oxygen, and hypoxia has been confirmed to induce cancer cell invasion, metastasis and epithelial‑mesenchymal transition, and is usually associated with poor prognosis and low survival rates. Hypoxia inducible factor‑1 (HIF‑1) can be stably expressed under hypoxia and act as an important molecule to regulate the development of CSCs, but the specific mechanism remains unclear. The present review attempted to explain the role of HIF‑1 in the generation and maintenance of CSCs from the perspective of epigenetics, metabolic reprogramming, tumor immunity, CSC markers, non‑coding RNA and signaling pathways associated with HIF‑1, in order to provide novel targets with HIF‑1 as the core for clinical treatment, and extend the life of patients.
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Affiliation(s)
- Qi Zhang
- Stem Cell and Cancer Center, The First Hospital of Jilin University, Changchun, Jilin 130061, P.R. China
| | - Zhenzhen Han
- Stem Cell and Cancer Center, The First Hospital of Jilin University, Changchun, Jilin 130061, P.R. China
| | - Yanbo Zhu
- Stem Cell and Cancer Center, The First Hospital of Jilin University, Changchun, Jilin 130061, P.R. China
| | - Jingcheng Chen
- Stem Cell and Cancer Center, The First Hospital of Jilin University, Changchun, Jilin 130061, P.R. China
| | - Wei Li
- Stem Cell and Cancer Center, The First Hospital of Jilin University, Changchun, Jilin 130061, P.R. China
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11
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Gal Reddy P, Reddy Indukuri D, Alla M. CuI/I
2
‐Catalyzed Concise Synthesis of Substituted 6‐Aminoisoquinolinoquinazoline Carboxylates from Anthranilamide. ChemistrySelect 2020. [DOI: 10.1002/slct.202003375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Potuganti Gal Reddy
- Division of Fluoro and Agro Chemicals CSIR-Indian Institute of Chemical Technology Tarnaka, Hyderabad 500007 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Divakar Reddy Indukuri
- Division of Fluoro and Agro Chemicals CSIR-Indian Institute of Chemical Technology Tarnaka, Hyderabad 500007 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Manjula Alla
- Division of Fluoro and Agro Chemicals CSIR-Indian Institute of Chemical Technology Tarnaka, Hyderabad 500007 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
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12
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The Cancer Clock Is (Not) Ticking: Links between Circadian Rhythms and Cancer. Clocks Sleep 2019; 1:435-458. [PMID: 33089179 PMCID: PMC7445810 DOI: 10.3390/clockssleep1040034] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Accepted: 09/10/2019] [Indexed: 12/23/2022] Open
Abstract
Circadian rhythms regulate many physiological and behavioral processes, including sleep, metabolism and cell division, which have a 24-h oscillation pattern. Rhythmicity is generated by a transcriptional–translational feedback loop in individual cells, which are synchronized by the central pacemaker in the brain and external cues. Epidemiological and clinical studies indicate that disruption of these rhythms can increase both tumorigenesis and cancer progression. Environmental changes (shift work, jet lag, exposure to light at night), mutations in circadian regulating genes, and changes to clock gene expression are recognized forms of disruption and are associated with cancer risk and/or cancer progression. Experimental data in animals and cell cultures further supports the role of the cellular circadian clock in coordinating cell division and DNA repair, and disrupted cellular clocks accelerate cancer cell growth. This review will summarize studies linking circadian disruption to cancer biology and explore how such disruptions may be further altered by common characteristics of tumors including hypoxia and acidosis. We will highlight how circadian rhythms might be exploited for cancer drug development, including how delivery of current chemotherapies may be enhanced using chronotherapy. Understanding the role of circadian rhythms in carcinogenesis and tumor progression will enable us to better understand causes of cancer and how to treat them.
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13
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Target Identification of the Marine Natural Products Dictyoceratin-A and -C as Selective Growth Inhibitors in Cancer Cells Adapted to Hypoxic Environments. Mar Drugs 2019; 17:md17030163. [PMID: 30857246 PMCID: PMC6471994 DOI: 10.3390/md17030163] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Accepted: 02/11/2019] [Indexed: 12/12/2022] Open
Abstract
Hypoxia-adapted cancer cells in tumors contribute to the pathological progression of cancer. The marine spongean sesquiterpene phenols dictyoceratin-A (1) and -C (2) have been shown to induce hypoxia-selective growth inhibition in cultured cancer cells and exhibit in vivo antitumor effects. These compounds inhibit the accumulation of hypoxia-inducible factor-1α (HIF-1α), which is a drug target in hypoxia-adapted cancer cells, under hypoxic conditions. However, the target molecules of compounds 1 and 2, which are responsible for decreasing HIF-1α expression under hypoxic conditions, remain unclear. In this study, we synthesized probe molecules for compounds 1 and 2 to identify their target molecules and found that both compounds bind to RNA polymerase II-associated protein 3 (RPAP3), which is a component of the R2TP/Prefoldin-like (PEDL) complex. In addition, RPAP3-knockdown cells showed a phenotype similar to that of compound-treated cells.
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14
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Li J, Xi W, Li X, Sun H, Li Y. Advances in inhibition of protein-protein interactions targeting hypoxia-inducible factor-1 for cancer therapy. Bioorg Med Chem 2019; 27:1145-1158. [PMID: 30819620 DOI: 10.1016/j.bmc.2019.01.042] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 01/25/2019] [Accepted: 01/31/2019] [Indexed: 12/23/2022]
Abstract
Hypoxia is a common characteristic of many types of solid tumors and is associated with tumor propagation, malignant progression, and resistance to anti-cancer therapy. HIF-1 pathway is one of the survival pathways activated in tumor in response to hypoxia. In hypoxic condition, hypoxia-inducible factor-1α (HIF-1α) is stabilized and translocated into nucleus where it forms heterodimer with HIF-1β and regulates the expression of a plethora of genes involved in different processes, such as cell proliferation, differentiation, apoptosis, vascularization/angiogenesis, tumor invasion and metastasis. Recruitment of co-activator p300 or CBP to HIF-1α is critical to the transactivation activity of HIF-1 dimer, therefore, small molecules which can block the dimerization of HIF-1α and HIF-1β or inhibit the interaction between HIF-1α and p300 can function as inhibitors of HIF-1 and have the potential to be developed as novel therapies for the treatment of human cancers. In this review, recent progress of small molecular inhibitors of protein-protein interactions targeting HIF-1 is summarized, the mechanism of functions of these compounds and their potential usage as anti-cancer agents have also been discussed.
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Affiliation(s)
- Jia Li
- Jiangsu Key Laboratory of Drug Design and Optimization, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, China
| | - Wanlin Xi
- Jiangsu Key Laboratory of Drug Design and Optimization, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, China
| | - Xiaofang Li
- Jiangsu Key Laboratory of Drug Design and Optimization, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, China
| | - Haiying Sun
- Jiangsu Key Laboratory of Drug Design and Optimization, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, China.
| | - Yuyan Li
- Jiangsu Key Laboratory of Drug Design and Optimization, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, China.
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15
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Li Z, You Q, Zhang X. Small-Molecule Modulators of the Hypoxia-Inducible Factor Pathway: Development and Therapeutic Applications. J Med Chem 2019; 62:5725-5749. [DOI: 10.1021/acs.jmedchem.8b01596] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Zhihong Li
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, China
| | - Qidong You
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
| | - Xiaojin Zhang
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, China
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16
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Martinez CA, Kerr B, Jin C, Cistulli PA, Cook KM. Obstructive Sleep Apnea Activates HIF-1 in a Hypoxia Dose-Dependent Manner in HCT116 Colorectal Carcinoma Cells. Int J Mol Sci 2019; 20:ijms20020445. [PMID: 30669593 PMCID: PMC6359625 DOI: 10.3390/ijms20020445] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 01/17/2019] [Accepted: 01/18/2019] [Indexed: 12/18/2022] Open
Abstract
Obstructive sleep apnea (OSA) affects a significant proportion of the population and is linked to increased rates of cancer development and a worse cancer outcome. OSA is characterized by nocturnal intermittent hypoxia and animal models of OSA-like intermittent hypoxia show increased tumor growth and metastasis. Advanced tumors typically have regions of chronic hypoxia, activating the transcription factor, HIF-1, which controls the expression of genes involved in cancer progression. Rapid intermittent hypoxia from OSA has been proposed to increase HIF-1 activity and this may occur in tumors. The effect of exposing a developing tumor to OSA-like intermittent hypoxia is largely unknown. We have built a cell-based model of physiological OSA tissue oxygenation in order to study the effects of intermittent hypoxia in HCT116 colorectal cancer cells. We found that HIF-1α increases following intermittent hypoxia and that the expression of HIF-target genes increases, including those involved in glycolysis, the hypoxic pathway and extracellular matrix remodeling. Expression of these genes acts as a 'hypoxic' signature which is associated with a worse prognosis. The total dose of hypoxia determined the magnitude of change in the hypoxic signature rather than the frequency or duration of hypoxia-reoxygenation cycles per se. Finally, transcription of HIF1A mRNA differs in response to chronic and intermittent hypoxia suggesting that HIF-1α may be regulated at the transcriptional level in intermittent hypoxia and not just by the post-translational oxygen-dependent degradation pathway seen in chronic hypoxia.
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Affiliation(s)
- Chloe-Anne Martinez
- Charles Perkins Centre, Faculty of Medicine and Health, Northern Clinical School, The University of Sydney, Sydney NSW 2006, Australia.
| | - Bernadette Kerr
- Charles Perkins Centre, Faculty of Medicine and Health, Northern Clinical School, The University of Sydney, Sydney NSW 2006, Australia.
| | - Charley Jin
- Charles Perkins Centre, Faculty of Medicine and Health, Northern Clinical School, The University of Sydney, Sydney NSW 2006, Australia.
| | - Peter A Cistulli
- Charles Perkins Centre, Faculty of Medicine and Health, Northern Clinical School, The University of Sydney, Sydney NSW 2006, Australia.
- Department of Respiratory and Sleep Medicine, Royal North Shore Hospital, Sydney 2065, Australia.
| | - Kristina M Cook
- Charles Perkins Centre, Faculty of Medicine and Health, Northern Clinical School, The University of Sydney, Sydney NSW 2006, Australia.
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17
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Preclinical Evaluation of Discorhabdins in Antiangiogenic and Antitumor Models. Mar Drugs 2018; 16:md16070241. [PMID: 30029505 PMCID: PMC6071056 DOI: 10.3390/md16070241] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 07/09/2018] [Accepted: 07/16/2018] [Indexed: 12/12/2022] Open
Abstract
Elements of the hypoxia inducible factor (HIF) transcriptional system, a key regulator of the cellular hypoxic response, are up-regulated in a range of cancer cells. HIF is fundamentally involved in tumor angiogenesis, invasion, and energy metabolism. Inhibition of the transcriptional activity of HIF may be of therapeutic benefit to cancer patients. We recently described the identification of two marine pyrroloiminoquinone alkaloids with potent activity in inhibiting the interaction between the oncogenic transcription factor HIF-1α and the coactivator protein p300. Herein, we present further characterization data for these two screening hits: discorhabdin H (1) and discorhabdin L (2), with a specific focus on their anti-angiogenic and anti-tumor effects. We demonstrated that only discorhabdin L (2) possesses excellent anti-angiogenic activity in inhibiting endothelial cell proliferation and tube formation, as well as decreasing microvessel outgrowth in the ex vivo rat aortic ring assay. We further showed that discorhabdin L (2) significantly inhibits in vivo prostate tumor growth in a LNCaP xenograft model. In conclusion, our findings suggest that discorhabdin L (2) represents a promising HIF-1α inhibitor worthy of further drug development.
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18
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Watters DJ. Ascidian Toxins with Potential for Drug Development. Mar Drugs 2018; 16:E162. [PMID: 29757250 PMCID: PMC5983293 DOI: 10.3390/md16050162] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2018] [Revised: 05/05/2018] [Accepted: 05/10/2018] [Indexed: 12/17/2022] Open
Abstract
Ascidians (tunicates) are invertebrate chordates, and prolific producers of a wide variety of biologically active secondary metabolites from cyclic peptides to aromatic alkaloids. Several of these compounds have properties which make them candidates for potential new drugs to treat diseases such as cancer. Many of these natural products are not produced by the ascidians themselves, rather by their associated symbionts. This review will focus mainly on the mechanism of action of important classes of cytotoxic molecules isolated from ascidians. These toxins affect DNA transcription, protein translation, drug efflux pumps, signaling pathways and the cytoskeleton. Two ascidian compounds have already found applications in the treatment of cancer and others are being investigated for their potential in cancer, neurodegenerative and other diseases.
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Affiliation(s)
- Dianne J Watters
- School of Environment and Science, Griffith University, Brisbane, Queensland 4111, Australia.
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19
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Shang XF, Morris-Natschke SL, Yang GZ, Liu YQ, Guo X, Xu XS, Goto M, Li JC, Zhang JY, Lee KH. Biologically active quinoline and quinazoline alkaloids part II. Med Res Rev 2018; 38:1614-1660. [PMID: 29485730 DOI: 10.1002/med.21492] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 01/16/2018] [Accepted: 01/31/2018] [Indexed: 02/06/2023]
Abstract
To follow-up on our prior Part I review, this Part II review summarizes and provides updated literature on novel quinoline and quinazoline alkaloids isolated during the period of 2009-2016, together with the biological activity and the mechanisms of action of these classes of natural products. Over 200 molecules with a broad range of biological activities, including antitumor, antiparasitic and insecticidal, antibacterial and antifungal, cardioprotective, antiviral, anti-inflammatory, hepatoprotective, antioxidant, anti-asthma, antitussive, and other activities, are discussed. This survey should provide new clues or possibilities for the discovery of new and better drugs from the original naturally occurring quinoline and quinazoline alkaloids.
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Affiliation(s)
- Xiao-Fei Shang
- Key Laboratory of Veterinary Pharmaceutical Development of Ministry of Agriculture, Key Laboratory of New Animal Drug Project, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, P.R. China.,School of Pharmacy, Lanzhou University, Lanzhou, P.R. China
| | - Susan L Morris-Natschke
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina
| | - Guan-Zhou Yang
- School of Pharmacy, Lanzhou University, Lanzhou, P.R. China
| | - Ying-Qian Liu
- School of Pharmacy, Lanzhou University, Lanzhou, P.R. China
| | - Xiao Guo
- Tibetan Medicine Research Center of Qinghai University, Qinghai University Tibetan Medical College, Qinghai University, Xining, P.R. China
| | - Xiao-Shan Xu
- School of Pharmacy, Lanzhou University, Lanzhou, P.R. China
| | - Masuo Goto
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina
| | - Jun-Cai Li
- School of Pharmacy, Lanzhou University, Lanzhou, P.R. China
| | - Ji-Yu Zhang
- Key Laboratory of Veterinary Pharmaceutical Development of Ministry of Agriculture, Key Laboratory of New Animal Drug Project, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, P.R. China
| | - Kuo-Hsiung Lee
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina.,Chinese Medicine Research and Development Center, China Medical University and Hospital, Taichung, Taiwan
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20
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Rampelotto PH, Trincone A. Anti-infective Compounds from Marine Organisms. GRAND CHALLENGES IN MARINE BIOTECHNOLOGY 2018. [PMCID: PMC7123853 DOI: 10.1007/978-3-319-69075-9_3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Pabulo H. Rampelotto
- Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Antonio Trincone
- Istituto di Chimica Biomolecolare, Consiglio Nazionale delle Ricerche, Pozzuoli, Naples, Italy
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Liu J, Li XW, Guo YW. Recent Advances in the Isolation, Synthesis and Biological Activity of Marine Guanidine Alkaloids. Mar Drugs 2017; 15:E324. [PMID: 29064383 PMCID: PMC5666430 DOI: 10.3390/md15100324] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Revised: 10/10/2017] [Accepted: 10/16/2017] [Indexed: 01/13/2023] Open
Abstract
Marine organisms are prolific resources of guanidine-containing natural products with intriguing structures and promising biological activities. These molecules have therefore attracted the attention of chemists and biologists for their further studies towards potential drug leads. This review focused on the guanidine alkaloids derived from marine sources and discussed the recent progress on their isolation, synthesis and biological activities, covering the literature from the year 2010 to the present.
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Affiliation(s)
- Jin Liu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Zhangjiang Hi-Tech Park, Shanghai 201203, China.
- Nano Science and Technology Institute, University of Science and Technology of China, 166 Ren Ai Road, Suzhou 215123, China.
| | - Xu-Wen Li
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Zhangjiang Hi-Tech Park, Shanghai 201203, China.
| | - Yue-Wei Guo
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Zhangjiang Hi-Tech Park, Shanghai 201203, China.
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22
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Banerji B, Chatterjee S, Chandrasekhar K, Nayan C, Killi SK. Palladium-Catalyzed Direct Synthesis of Phenanthridones from Benzamides through Tandem N-H/C-H Arylation. European J Org Chem 2017. [DOI: 10.1002/ejoc.201701039] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Biswadip Banerji
- Organic & Medicinal Chemistry Division; Indian Institute of Chemical Biology (CSIR-IICB); 4 Raja S. C. Mullick Road 700032 Kolkata India
- Academy of Scientific and Innovative Research (AcSIR); 4 Raja S. C. Mullick Road 700032 Kolkata India
| | - Satadru Chatterjee
- Organic & Medicinal Chemistry Division; Indian Institute of Chemical Biology (CSIR-IICB); 4 Raja S. C. Mullick Road 700032 Kolkata India
| | - K. Chandrasekhar
- Organic & Medicinal Chemistry Division; Indian Institute of Chemical Biology (CSIR-IICB); 4 Raja S. C. Mullick Road 700032 Kolkata India
| | - Chinmay Nayan
- Organic & Medicinal Chemistry Division; Indian Institute of Chemical Biology (CSIR-IICB); 4 Raja S. C. Mullick Road 700032 Kolkata India
| | - Sunil Kumar Killi
- Organic & Medicinal Chemistry Division; Indian Institute of Chemical Biology (CSIR-IICB); 4 Raja S. C. Mullick Road 700032 Kolkata India
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23
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Abstract
Covering: 2015. Previous review: Nat. Prod. Rep., 2016, 33, 382-431This review covers the literature published in 2015 for marine natural products (MNPs), with 1220 citations (792 for the period January to December 2015) referring to compounds isolated from marine microorganisms and phytoplankton, green, brown and red algae, sponges, cnidarians, bryozoans, molluscs, tunicates, echinoderms, mangroves and other intertidal plants and microorganisms. The emphasis is on new compounds (1340 in 429 papers for 2015), together with the relevant biological activities, source organisms and country of origin. Reviews, biosynthetic studies, first syntheses, and syntheses that lead to the revision of structures or stereochemistries, have been included.
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Affiliation(s)
- John W Blunt
- Department of Chemistry, University of Canterbury, Christchurch, New Zealand.
| | - Brent R Copp
- School of Chemical Sciences, University of Auckland, Auckland, New Zealand
| | - Robert A Keyzers
- Centre for Biodiscovery, School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington, New Zealand
| | - Murray H G Munro
- Department of Chemistry, University of Canterbury, Christchurch, New Zealand.
| | - Michèle R Prinsep
- Chemistry, School of Science, University of Waikato, Hamilton, New Zealand
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24
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Martin AR, Ronco C, Demange L, Benhida R. Hypoxia inducible factor down-regulation, cancer and cancer stem cells (CSCs): ongoing success stories. MEDCHEMCOMM 2017; 8:21-52. [PMID: 30108689 PMCID: PMC6071925 DOI: 10.1039/c6md00432f] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Accepted: 10/10/2016] [Indexed: 12/12/2022]
Abstract
In cancers, hypoxia inducible factor 1 (HIF-1) is an over-expressed transcription factor, which regulates a large set of genes involved in tumour vascularization, metastases, and cancer stem cells (CSCs) formation and self-renewal. This protein has been identified as a relevant target in oncology and several HIF-1 modulators are now marketed or in advanced clinical trials. The purpose of this review is to summarize the advances in the understanding of its regulation and its inhibition, from the medicinal chemist point of view. To this end, we selected in the recent literature relevant examples of "hit" compounds, including small-sized organic molecules, pseudopeptides and nano-drugs, exhibiting in vitro and/or in vivo both anti-HIF-1 and anti-tumour activities. Whenever possible, a particular emphasis has been dedicated to compounds that selectively target CSCs.
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Affiliation(s)
- Anthony R Martin
- Université Côte d'Azur , CNRS , Institut de Chimie de Nice UMR 7272 - 06108 Nice , France . ; ; ; Tel: +33 4 92076143
| | - Cyril Ronco
- Université Côte d'Azur , CNRS , Institut de Chimie de Nice UMR 7272 - 06108 Nice , France . ; ; ; Tel: +33 4 92076143
| | - Luc Demange
- Université Côte d'Azur , CNRS , Institut de Chimie de Nice UMR 7272 - 06108 Nice , France . ; ; ; Tel: +33 4 92076143
- UFR des Sciences Pharmaceutiques , Université Paris Descartes , Sorbonne Paris Cité , 4 avenue de l'Observatoire , Paris Fr-75006 , France
- UFR Biomédicale des Saints Pères , 45 rue des Saints Pères , Paris Fr-75006 , France
| | - Rachid Benhida
- Université Côte d'Azur , CNRS , Institut de Chimie de Nice UMR 7272 - 06108 Nice , France . ; ; ; Tel: +33 4 92076143
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25
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Chan STS, Nani RR, Schauer EA, Martin GE, Williamson RT, Saurí J, Buevich AV, Schafer WA, Joyce LA, Goey AKL, Figg WD, Ransom TT, Henrich CJ, McKee TC, Moser A, MacDonald SA, Khan S, McMahon JB, Schnermann MJ, Gustafson KR. Characterization and Synthesis of Eudistidine C, a Bioactive Marine Alkaloid with an Intriguing Molecular Scaffold. J Org Chem 2016; 81:10631-10640. [PMID: 27934476 PMCID: PMC6350249 DOI: 10.1021/acs.joc.6b02380] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
An extract of Eudistoma sp. provided eudistidine C (1), a heterocyclic alkaloid with a novel molecular framework. Eudistidine C (1) is a racemic natural product composed of a tetracyclic core structure further elaborated with a p-methoxyphenyl group and a phenol-substituted aminoimidazole moiety. This compound presented significant structure elucidation challenges due to the large number of heteroatoms and fully substituted carbons. These issues were mitigated by application of a new NMR pulse sequence (LR-HSQMBC) optimized to detect four- and five-bond heteronuclear correlations and the use of computer-assisted structure elucidation software. Synthesis of eudistidine C (1) was accomplished in high yield by treating eudistidine A (2) with 4(2-amino-1H-imidazol-5-yl)phenol (4) in DMSO. Synthesis of eudistidine C (1) confirmed the proposed structure and provided material for further biological characterization. Treatment of 2 with various nitrogen heterocycles and electron-rich arenes provided a series of analogues (5-10) of eudistidine C. Chiral-phase HPLC resolution of epimeric eudistidine C provided (+)-(R)-eudistidine C (1a) and (-)-(S)-eudistidine C (1b). The absolute configuration of these enantiomers was assigned by ECD analysis. (-)-(S)-Eudistidine C (1b) modestly inhibited interaction between the protein binding domains of HIF-1α and p300. Compounds 1, 2, and 6-10 exhibited significant antimalarial activity against Plasmodium falciparum.
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Affiliation(s)
- Susanna T. S. Chan
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
| | - Roger R. Nani
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
| | - Evan A. Schauer
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
| | - Gary E. Martin
- NMR Structure Elucidation, Process Research and Development, Merck & Co., Inc., Rahway, New Jersey 07065, United States
| | - R Thomas Williamson
- NMR Structure Elucidation, Process Research and Development, Merck & Co., Inc., Rahway, New Jersey 07065, United States
| | - Josep Saurí
- NMR Structure Elucidation, Process Research and Development, Merck & Co., Inc., Rahway, New Jersey 07065, United States
| | - Alexei V. Buevich
- NMR Structure Elucidation, Process Research and Development, Merck & Co., Inc., Rahway, New Jersey 07065, United States
| | - Wes A Schafer
- NMR Structure Elucidation, Process Research and Development, Merck & Co., Inc., Rahway, New Jersey 07065, United States
| | - Leo A. Joyce
- NMR Structure Elucidation, Process Research and Development, Merck & Co., Inc., Rahway, New Jersey 07065, United States
| | - Andrew K. L. Goey
- Medical Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland 20892, United States
| | - William D. Figg
- Medical Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland 20892, United States
| | - Tanya T. Ransom
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
| | - Curtis J. Henrich
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
- Basic Science Program, Leidos Biomedical Research, Inc., Frederick National Laboratory for Cancer Research, Frederick, Maryland 21702-1201, United States
| | - Tawnya C. McKee
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
| | - Arvin Moser
- Advanced Chemistry Development, Inc. (ACD/Laboratories), Toronto Department, 8 King Street East Suite 107, Toronto, Ontario M5C 1B5, Canada
| | - Scott A. MacDonald
- Advanced Chemistry Development, Inc. (ACD/Laboratories), Toronto Department, 8 King Street East Suite 107, Toronto, Ontario M5C 1B5, Canada
| | - Shabana Khan
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, Mississippi 38677, United States
| | - James B. McMahon
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
| | - Martin J. Schnermann
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
| | - Kirk R. Gustafson
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
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26
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Goey AKL, Chau CH, Sissung TM, Cook KM, Venzon DJ, Castro A, Ransom TR, Henrich CJ, McKee TC, McMahon JB, Grkovic T, Cadelis MM, Copp BR, Gustafson KR, Figg WD. Screening and Biological Effects of Marine Pyrroloiminoquinone Alkaloids: Potential Inhibitors of the HIF-1α/p300 Interaction. JOURNAL OF NATURAL PRODUCTS 2016; 79:1267-75. [PMID: 27140429 PMCID: PMC6323635 DOI: 10.1021/acs.jnatprod.5b00846] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Inhibition of the hypoxia-inducible factor 1α (HIF-1α) pathway by disrupting its association with the transcriptional coactivator p300 inhibits angiogenesis and tumor development. Development of HIF-1α/p300 inhibitors has been hampered by preclinical toxicity; therefore, we aimed to identify novel HIF-1α/p300 inhibitors. Using a cell-free assay designed to test compounds that block HIF-1α/p300 binding, 170 298 crude natural product extracts and prefractionated samples were screened, identifying 25 active extracts. One of these extracts, originating from the marine sponge Latrunculia sp., afforded six pyrroloiminoquinone alkaloids that were identified as positive hits (IC50 values: 1-35 μM). Luciferase assays confirmed inhibition of HIF-1α transcriptional activity by discorhabdin B (1) and its dimer (2), 3-dihydrodiscorhabdin C (3), makaluvamine F (5), discorhabdin H (8), discorhabdin L (9), and discorhabdin W (11) in HCT 116 colon cancer cells (0.1-10 μM, p < 0.05). Except for 11, all of these compounds also reduced HIF-1α transcriptional activity in LNCaP prostate cancer cells (0.1-10 μM, p < 0.05). These effects occurred at noncytotoxic concentrations (<50% cell death) under hypoxic conditions. At the downstream HIF-1α target level, compound 8 (0.5 μM) significantly decreased VEGF secretion in LNCaP cells (p < 0.05). In COLO 205 colon cancer cells no activity was shown in the luciferase or cytotoxicity assays. Pyrroloiminoquinone alkaloids are a novel class of HIF-1α inhibitors, which interrupt the protein-protein interaction between HIF-1α and p300 and consequently reduce HIF-related transcription.
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Affiliation(s)
- Andrew K. L. Goey
- Clinical Pharmacology Program, National Cancer Institute, Bethesda, Maryland 20892, United States
| | - Cindy H. Chau
- Clinical Pharmacology Program, National Cancer Institute, Bethesda, Maryland 20892, United States
| | - Tristan M. Sissung
- Clinical Pharmacology Program, National Cancer Institute, Bethesda, Maryland 20892, United States
| | - Kristina M. Cook
- Clinical Pharmacology Program, National Cancer Institute, Bethesda, Maryland 20892, United States
| | - David J. Venzon
- Biostatistics & Data Management Section, National Cancer Institute, Bethesda, Maryland 20892, United States
| | - Amaya Castro
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
| | - Tanya R. Ransom
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
| | - Curtis J. Henrich
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
- Basic Science Program, Leidos Biomedical Research, Inc., Frederick National Laboratory for Cancer Research, Frederick, Maryland 21702-1201, United States
| | - Tawnya C. McKee
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
| | - James B. McMahon
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
| | - Tanja Grkovic
- School of Chemical Sciences, University of Auckland, Auckland 1142, New Zealand
| | - Melissa M. Cadelis
- School of Chemical Sciences, University of Auckland, Auckland 1142, New Zealand
| | - Brent R. Copp
- School of Chemical Sciences, University of Auckland, Auckland 1142, New Zealand
| | - Kirk R. Gustafson
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702-1201, United States
| | - William D. Figg
- Clinical Pharmacology Program, National Cancer Institute, Bethesda, Maryland 20892, United States
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27
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Wilkins SE, Abboud MI, Hancock RL, Schofield CJ. Targeting Protein-Protein Interactions in the HIF System. ChemMedChem 2016; 11:773-86. [PMID: 26997519 PMCID: PMC4848768 DOI: 10.1002/cmdc.201600012] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Revised: 02/24/2016] [Indexed: 12/18/2022]
Abstract
Animals respond to chronic hypoxia by increasing the levels of a transcription factor known as the hypoxia-inducible factor (HIF). HIF upregulates multiple genes, the products of which work to ameliorate the effects of limited oxygen at cellular and systemic levels. Hypoxia sensing by the HIF system involves hydroxylase-catalysed post-translational modifications of the HIF α-subunits, which 1) signal for degradation of HIF-α and 2) limit binding of HIF to transcriptional coactivator proteins. Because the hypoxic response is relevant to multiple disease states, therapeutic manipulation of the HIF-mediated response has considerable medicinal potential. In addition to modulation of catalysis by the HIF hydroxylases, the HIF system manifests other possibilities for therapeutic intervention involving protein-protein and protein-nucleic acid interactions. Recent advances in our understanding of the structural biology and biochemistry of the HIF system are facilitating medicinal chemistry efforts. Herein we give an overview of the HIF system, focusing on structural knowledge of protein-protein interactions and how this might be used to modulate the hypoxic response for therapeutic benefit.
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Affiliation(s)
- Sarah E Wilkins
- Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, UK.
| | - Martine I Abboud
- Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, UK
| | - Rebecca L Hancock
- Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, UK
| | - Christopher J Schofield
- Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, UK.
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28
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Banerji B, Bera S, Chatterjee S, Killi SK, Adhikary S. Regioselective Synthesis of Quinazolinone-/Phenanthridine-Fused Heteropolycycles by Pd-Catalyzed Direct Intramolecular Aerobic Oxidative C−H Amination from Aromatic Strained Amides. Chemistry 2016; 22:3506-3512. [DOI: 10.1002/chem.201504186] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2015] [Indexed: 12/15/2022]
Affiliation(s)
- Biswadip Banerji
- Organic and Medicinal Chemistry Division; CSIR-Indian Institute of Chemical Biology; Raja S.C. Mullick Road Kolkata - 700032 India
| | - Suvankar Bera
- Organic and Medicinal Chemistry Division; CSIR-Indian Institute of Chemical Biology; Raja S.C. Mullick Road Kolkata - 700032 India
| | - Satadru Chatterjee
- Organic and Medicinal Chemistry Division; CSIR-Indian Institute of Chemical Biology; Raja S.C. Mullick Road Kolkata - 700032 India
| | - Sunil Kumar Killi
- Organic and Medicinal Chemistry Division; CSIR-Indian Institute of Chemical Biology; Raja S.C. Mullick Road Kolkata - 700032 India
| | - Saswati Adhikary
- Organic and Medicinal Chemistry Division; CSIR-Indian Institute of Chemical Biology; Raja S.C. Mullick Road Kolkata - 700032 India
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Kaypee S, Sudarshan D, Shanmugam MK, Mukherjee D, Sethi G, Kundu TK. Aberrant lysine acetylation in tumorigenesis: Implications in the development of therapeutics. Pharmacol Ther 2016; 162:98-119. [PMID: 26808162 DOI: 10.1016/j.pharmthera.2016.01.011] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The 'language' of covalent histone modifications translates environmental and cellular cues into gene expression. This vast array of post-translational modifications on histones are more than just covalent moieties added onto a protein, as they also form a platform on which crucial cellular signals are relayed. The reversible lysine acetylation has emerged as an important post-translational modification of both histone and non-histone proteins, dictating numerous epigenetic programs within a cell. Thus, understanding the complex biology of lysine acetylation and its regulators is essential for the development of epigenetic therapeutics. In this review, we will attempt to address the complexities of lysine acetylation in the context of tumorigenesis, their role in cancer progression and emphasize on the modalities developed to target lysine acetyltransferases towards cancer treatment.
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Affiliation(s)
- Stephanie Kaypee
- Transcription and Disease Laboratory, Molecular Biology and Genetics Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, Karnataka, India
| | - Deepthi Sudarshan
- Transcription and Disease Laboratory, Molecular Biology and Genetics Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, Karnataka, India
| | - Muthu K Shanmugam
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 117600, Singapore
| | - Debanjan Mukherjee
- Transcription and Disease Laboratory, Molecular Biology and Genetics Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, Karnataka, India
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 117600, Singapore
| | - Tapas K Kundu
- Transcription and Disease Laboratory, Molecular Biology and Genetics Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, Karnataka, India.
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Rai B, Kumar P, Kumar A. Copper-mediated aerobic oxidative synthesis of benzimidazo fused quinazolines via a multicomponent approach. RSC Adv 2015. [DOI: 10.1039/c5ra15525h] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
First copper mediated aerobic oxidative multi-component synthesis of benzimidazo[1,2-c]quinazolines has been developed from 2-(2-halophenyl)benzoimidazoles, aldehydes and sodium azide as nitrogen source.
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Affiliation(s)
- Byanju Rai
- Medicinal and Process Chemistry Division
- CSIR-Central Drug Research Institute (CDRI)
- Lucknow
- India
| | - Promod Kumar
- Medicinal and Process Chemistry Division
- CSIR-Central Drug Research Institute (CDRI)
- Lucknow
- India
| | - Atul Kumar
- Medicinal and Process Chemistry Division
- CSIR-Central Drug Research Institute (CDRI)
- Lucknow
- India
- Academy of Scientific & Innovative Research (AcSIR)
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Abstract
A personal selection of 32 recent papers is presented covering various aspects of current developments in bioorganic chemistry and novel natural products such as eudistidine A from a marine ascidian Eudistoma sp.
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