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Cornelius P, Mayes BA, Petersen JS, Turnquist DJ, Dufour PJ, Dannenberg AJ, Shanahan JM, Carver BJ. Pharmacological Characterization of SDX-7320/Evexomostat: A Novel Methionine Aminopeptidase Type 2 Inhibitor with Anti-tumor and Anti-metastatic Activity. Mol Cancer Ther 2024; 23:595-605. [PMID: 38530115 PMCID: PMC11063762 DOI: 10.1158/1535-7163.mct-23-0574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 02/07/2024] [Accepted: 03/22/2024] [Indexed: 03/27/2024]
Abstract
Methionine aminopeptidase type 2 (METAP2) is a ubiquitous, evolutionarily conserved metalloprotease fundamental to protein biosynthesis which catalyzes removal of the N-terminal methionine residue from nascent polypeptides. METAP2 is an attractive target for cancer therapeutics based upon its over-expression in multiple human cancers, the importance of METAP2-specific substrates whose biological activity may be altered following METAP2 inhibition, and additionally, that METAP2 was identified as the target for the anti-angiogenic natural product, fumagillin. Irreversible inhibition of METAP2 using fumagillin analogues has established the anti-angiogenic and anti-tumor characteristics of these derivatives; however, their full clinical potential has not been realized due to a combination of poor drug-like properties and dose-limiting central nervous system (CNS) toxicity. This report describes the physicochemical and pharmacological characterization of SDX-7320 (evexomostat), a polymer-drug conjugate of the novel METAP2 inhibitor (METAP2i) SDX-7539. In vitro binding, enzyme, and cell-based assays demonstrated that SDX-7539 is a potent and selective METAP2 inhibitor. In utilizing a high molecular weight, water-soluble polymer to conjugate the novel fumagillol-derived, cathepsin-released, METAP2i SDX-7539, limitations observed with prior generation, small molecule fumagillol derivatives were ameliorated including reduced CNS exposure of the METAP2i, and prolonged half-life enabling convenient administration. Multiple xenograft and syngeneic cancer models were utilized to demonstrate the anti-tumor and anti-metastatic profile of SDX-7320. Unlike polymer-drug conjugates in general, reductions in small molecule-equivalent efficacious doses following polymer conjugation were observed. SDX-7320 has completed a phase I clinical safety study in patients with late-stage cancer and is currently being evaluated in multiple phase Ib/II clinical studies in patients with advanced solid tumors.
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Friese-Hamim M, Ortiz Ruiz MJ, Bogatyrova O, Keil M, Rohdich F, Blume B, Leuthner B, Czauderna F, Hahn D, Jabs J, Jaehrling F, Heinrich T, Kellner R, Chan K, Tong AH, Wienke D, Moffat J, Blaukat A, Zenke FT. Novel Methionine Aminopeptidase 2 Inhibitor M8891 Synergizes with VEGF Receptor Inhibitors to Inhibit Tumor Growth of Renal Cell Carcinoma Models. Mol Cancer Ther 2024; 23:159-173. [PMID: 37940144 PMCID: PMC10831447 DOI: 10.1158/1535-7163.mct-23-0102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 07/05/2023] [Accepted: 11/03/2023] [Indexed: 11/10/2023]
Abstract
N-terminal processing by methionine aminopeptidases (MetAP) is a crucial step in the maturation of proteins during protein biosynthesis. Small-molecule inhibitors of MetAP2 have antiangiogenic and antitumoral activity. Herein, we characterize the structurally novel MetAP2 inhibitor M8891. M8891 is a potent, selective, reversible small-molecule inhibitor blocking the growth of human endothelial cells and differentially inhibiting cancer cell growth. A CRISPR genome-wide screen identified the tumor suppressor p53 and MetAP1/MetAP2 as determinants of resistance and sensitivity to pharmacologic MetAP2 inhibition. A newly identified substrate of MetAP2, translation elongation factor 1-alpha-1 (EF1a-1), served as a pharmacodynamic biomarker to follow target inhibition in cell and mouse studies. Robust angiogenesis and tumor growth inhibition was observed with M8891 monotherapy. In combination with VEGF receptor inhibitors, tumor stasis and regression occurred in patient-derived xenograft renal cell carcinoma models, particularly those that were p53 wild-type, had Von Hippel-Landau gene (VHL) loss-of-function mutations, and a mid/high MetAP1/2 expression score.
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Affiliation(s)
- Manja Friese-Hamim
- Research Unit Oncology, Merck Healthcare KGaA, the healthcare business of Merck KGaA, Darmstadt, Germany
| | - Maria J. Ortiz Ruiz
- Research Unit Oncology, Merck Healthcare KGaA, the healthcare business of Merck KGaA, Darmstadt, Germany
| | - Olga Bogatyrova
- Research Unit Oncology, Merck Healthcare KGaA, the healthcare business of Merck KGaA, Darmstadt, Germany
| | - Marina Keil
- Research Unit Oncology, Merck Healthcare KGaA, the healthcare business of Merck KGaA, Darmstadt, Germany
| | - Felix Rohdich
- Discovery Technologies, Merck Healthcare KGaA, the healthcare business of Merck KGaA, Darmstadt, Germany
| | - Beatrix Blume
- Discovery Technologies, Merck Healthcare KGaA, the healthcare business of Merck KGaA, Darmstadt, Germany
| | - Birgitta Leuthner
- Discovery Technologies, Merck Healthcare KGaA, the healthcare business of Merck KGaA, Darmstadt, Germany
| | - Frank Czauderna
- Research Unit Oncology, EMD Serono Research & Development Institute Inc., Billerica, Massachusetts
| | - Diane Hahn
- Research Unit Oncology, Merck Healthcare KGaA, the healthcare business of Merck KGaA, Darmstadt, Germany
| | - Julia Jabs
- Research Unit Oncology, Merck Healthcare KGaA, the healthcare business of Merck KGaA, Darmstadt, Germany
| | - Frank Jaehrling
- Research Unit Oncology, Merck Healthcare KGaA, the healthcare business of Merck KGaA, Darmstadt, Germany
| | - Timo Heinrich
- Discovery Technologies, Merck Healthcare KGaA, the healthcare business of Merck KGaA, Darmstadt, Germany
| | - Roland Kellner
- Discovery Technologies, Merck Healthcare KGaA, the healthcare business of Merck KGaA, Darmstadt, Germany
| | - Katherine Chan
- Donnelly Centre, University of Toronto, Toronto, Ontario, Canada
| | - Amy H.Y. Tong
- Donnelly Centre, University of Toronto, Toronto, Ontario, Canada
| | - Dirk Wienke
- Research Unit Oncology, Merck Healthcare KGaA, the healthcare business of Merck KGaA, Darmstadt, Germany
| | - Jason Moffat
- Donnelly Centre, University of Toronto, Toronto, Ontario, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
- Institute for Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
| | - Andree Blaukat
- Research Unit Oncology, Merck Healthcare KGaA, the healthcare business of Merck KGaA, Darmstadt, Germany
| | - Frank T. Zenke
- Research Unit Oncology, Merck Healthcare KGaA, the healthcare business of Merck KGaA, Darmstadt, Germany
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Lignet F, Friese-Hamim M, Jaehrling F, El Bawab S, Rohdich F. Preclinical Pharmacokinetics and Translational Pharmacokinetic/Pharmacodynamic Modeling of M8891, a Potent and Reversible Inhibitor of Methionine Aminopeptidase 2. Pharm Res 2023; 40:3011-3023. [PMID: 37798538 PMCID: PMC10746753 DOI: 10.1007/s11095-023-03611-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 09/18/2023] [Indexed: 10/07/2023]
Abstract
INTRODUCTION M8891 is a selective and reversible inhibitor of methionine aminopeptidase 2 (MetAP2). We describe translational research to define the target pharmacokinetics (PK) of M8891 and associated pharmacodynamic (PD) levels, which were used to support efficacious dose selection in humans. METHODS In vitro and in vivo PK characteristics were investigated in animal species, and data integrated using in vitro-in vivo correlation and allometric methods to predict the clearance, volume of distribution, and absorption parameters of M8891 in humans. In parallel, inhibition of MetAP2 activity by M8891 was studied in renal cancer xenografts in mice by measuring accumulation of Met-EF1α, a substrate of MetAP2. The corresponding PD effect was described by a turnover and effect compartment model. This model was used to simulate PD at the M8891 dose showing in vivo efficacy, i.e. significant tumor growth inhibition. Simulations of M8891 PK and associated PD in humans were conducted by integrating predicted human PK parameters into the preclinical PK/PD model. RESULTS The target minimum PD level associated with efficacy was determined to be 125 µg Met-EF1α per mg protein. Integrating predicted human PK parameters into the preclinical PK/PD model defined a minimal M8891 concentration at steady-state (Ctrough) of 1500 ng/mL (3.9 µM) in humans as being required to produce the corresponding minimum target Met-EF1a level (125 µg per mg protein). CONCLUSION The defined target PK and PD levels supported the design of the clinical Phase Ia dose escalation study of M8891 (NCT03138538) and selection of the recommended Phase II dose.
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Affiliation(s)
- Floriane Lignet
- Drug Discovery Technologies, the Healthcare Business of Merck KGaA, 250 Frankfurter Strasse, 64293, Darmstadt, Germany.
| | - Manja Friese-Hamim
- Research Unit Oncology, the Healthcare Business of Merck KGaA, Darmstadt, Germany
| | - Frank Jaehrling
- Research Unit Oncology, the Healthcare Business of Merck KGaA, Darmstadt, Germany
| | - Samer El Bawab
- Translational Medicine, the Healthcare Business of Merck KGaA, Darmstadt, Germany
- Translational Medicine, Servier, Suresnes, France
| | - Felix Rohdich
- Drug Discovery Technologies, the Healthcare Business of Merck KGaA, 250 Frankfurter Strasse, 64293, Darmstadt, Germany
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Carducci MA, Wang D, Habermehl C, Bödding M, Rohdich F, Lignet F, Duecker K, Karpenko O, Pudelko L, Gimmi C, LoRusso P. A First-in-human, Dose-escalation Study of the Methionine Aminopeptidase 2 Inhibitor M8891 in Patients with Advanced Solid Tumors. CANCER RESEARCH COMMUNICATIONS 2023; 3:1638-1647. [PMID: 37637935 PMCID: PMC10448909 DOI: 10.1158/2767-9764.crc-23-0048] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 05/25/2023] [Accepted: 07/24/2023] [Indexed: 08/29/2023]
Abstract
Methionine aminopeptidase 2 (MetAP2) is essential to endothelial cell growth and proliferation during tumor angiogenesis. M8891 is a novel orally bioavailable, potent, selective, reversible MetAP2 inhibitor with antiangiogenic and antitumor activity in preclinical studies. The safety, tolerability, pharmacokinetics, and pharmacodynamics of M8891 monotherapy were assessed in a phase I, first-in-human, multicenter, open-label, single-arm, dose-escalation study (NCT03138538). Patients with advanced solid tumors received 7-80 mg M8891 once daily in 21-day cycles. The primary endpoint was dose-limiting toxicity (DLT) during cycle 1, with the aim to determine the maximum tolerated dose (MTD). Twenty-seven patients were enrolled across six dose levels. Two DLTs (platelet count decrease) were reported, one each at 60 and 80 mg/once daily M8891, resolving after treatment discontinuation. MTD was not determined. The most common treatment-emergent adverse event was platelet count decrease. M8891 plasma concentration showed dose-linear increase up to 35 mg and low-to-moderate variability; dose-dependent tumor accumulation of methionylated elongation factor 1α, a MetAP2 substrate, was observed, demonstrating MetAP2 inhibition. Pharmacokinetic/pharmacodynamic response data showed that preclinically defined target levels required for in vivo efficacy were achieved at safe, tolerated doses. Seven patients (25.9%) had stable disease for 42-123 days. We conclude that M8891 demonstrates a manageable safety profile, with dose-proportional exposure and low-to-moderate interpatient variability at target pharmacokinetic/pharmacodynamic levels at ≤35 mg M8891 once daily. On the basis of the data, 35 mg M8891 once daily is the recommended phase II dose for M8891 monotherapy. This study forms the basis for future development of M8891 in monotherapy and combination studies. Significance M8891 represents a novel class of reversible MetAP2 inhibitors and has demonstrated preclinical antitumor activity. This dose-escalation study assessed M8891 treatment for patients with advanced solid tumors. M8891 demonstrated favorable pharmacokinetics, tumoral target engagement, and a manageable safety profile, and thus represents a novel antitumor strategy warranting further clinical studies.
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Affiliation(s)
| | - Ding Wang
- Phase 1 Clinical Trials Program, Henry Ford Cancer Institute, Detroit, Michigan
| | | | - Matthias Bödding
- Clinical Pharmacology, the healthcare business of Merck KGaA, Darmstadt, Germany
| | - Felix Rohdich
- Pharmacokinetics, the healthcare business of Merck KGaA, Darmstadt, Germany
| | - Floriane Lignet
- Pharmacokinetics, the healthcare business of Merck KGaA, Darmstadt, Germany
| | - Klaus Duecker
- Clinical Biomarkers, the healthcare business of Merck KGaA, Darmstadt, Germany
| | | | - Linda Pudelko
- Clinical Development, the healthcare business of Merck KGaA, Darmstadt, Germany
| | - Claude Gimmi
- Clinical Development, the healthcare business of Merck KGaA, Darmstadt, Germany
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Chang YH. Impact of Protein N α-Modifications on Cellular Functions and Human Health. Life (Basel) 2023; 13:1613. [PMID: 37511988 PMCID: PMC10381334 DOI: 10.3390/life13071613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 07/14/2023] [Accepted: 07/17/2023] [Indexed: 07/30/2023] Open
Abstract
Most human proteins are modified by enzymes that act on the α-amino group of a newly synthesized polypeptide. Methionine aminopeptidases can remove the initiator methionine and expose the second amino acid for further modification by enzymes responsible for myristoylation, acetylation, methylation, or other chemical reactions. Specific acetyltransferases can also modify the initiator methionine and sometimes the acetylated methionine can be removed, followed by further modifications. These modifications at the protein N-termini play critical roles in cellular protein localization, protein-protein interaction, protein-DNA interaction, and protein stability. Consequently, the dysregulation of these modifications could significantly change the development and progression status of certain human diseases. The focus of this review is to highlight recent progress in our understanding of the roles of these modifications in regulating protein functions and how these enzymes have been used as potential novel therapeutic targets for various human diseases.
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Affiliation(s)
- Yie-Hwa Chang
- Edward A. Doisy Department of Biochemistry and Molecular Biology, Saint Louis University Medical School, Saint Louis, MO 63104, USA
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Ensan B, Bathaei P, Nassiri M, Khazaei M, Hassanian SM, Abdollahi A, Ghorbani HR, Aliakbarian M, Ferns GA, Avan A. The Therapeutic Potential of Targeting Key Signaling Pathways as a Novel Approach to Ameliorating Post-Surgical Adhesions. Curr Pharm Des 2022; 28:3592-3617. [PMID: 35466868 DOI: 10.2174/1381612828666220422090238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Revised: 01/24/2022] [Accepted: 02/04/2022] [Indexed: 01/28/2023]
Abstract
BACKGROUND Peritoneal adhesions (PA) are a common complication of abdominal operations. A growing body of evidence shows that inhibition of inflammation and fibrosis at sites of peritoneal damaging could prevent the development of intra-abdominal adhesions. METHODS A search of PubMed, Medline, CINAHL and Embase databases was performed using the keywords 'postsurgical adhesion', 'post-operative adhesion', 'peritoneal adhesion', 'surgery-induced adhesion' and 'abdominal adhesion'. Studies detailing the use of pharmacological and non-pharmacological agents for peritoneal adhesion prevention were identified, and their bibliographies were thoroughly reviewed to identify further related articles. RESULTS Several signaling pathways, such as tumor necrosis factor-alpha, tissue plasminogen activator, and type 1 plasminogen activator inhibitor, macrophages, fibroblasts, and mesothelial cells play a key part in the development of plasminogen activator. Several therapeutic approaches based on anti-PA drug barriers and traditional herbal medicines have been developed to prevent and treat adhesion formation. In recent years, the most promising method to prevent PA is treatment using biomaterial-based barriers. CONCLUSION In this review, we provide an overview of the pathophysiology of adhesion formation and various agents targeting different pathways, including chemical agents, herbal agents, physical barriers, and clinical trials concerning this matter.
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Affiliation(s)
- Behzad Ensan
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Parsa Bathaei
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammadreza Nassiri
- Recombinant Proteins Research Group, The Research Institute of Biotechnology, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Majid Khazaei
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Mahdi Hassanian
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Abbas Abdollahi
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hamid Reza Ghorbani
- Orology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohsen Aliakbarian
- Surgical Oncology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Gordon A Ferns
- Brighton & Sussex Medical School, Division of Medical Education, Falmer, Brighton, Sussex, BN1 9PH, UK
| | - Amir Avan
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Basic Sciences Research Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Medical Genetics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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The Chemotherapeutic Potentials of Compounds Isolated from the Plant, Marine, Fungus, and Microorganism: Their Mechanism of Action and Prospects. J Trop Med 2022; 2022:5919453. [PMID: 36263439 PMCID: PMC9576449 DOI: 10.1155/2022/5919453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 09/10/2022] [Indexed: 12/02/2022] Open
Abstract
Research on natural products mainly focuses on developing a suitable drug to treat human disease. There has been a sharp increase in the development of drugs from natural products. Most of the drugs that are available are from the terrestrial origin. Marine natural products are less explored. Oceans are considered as a vast ecosystem with a wide variety of living organisms and natural products that are unexplored. Large numbers of antitumor drugs are from natural sources such as plants, marine, and microorganisms. 80% new chemical entities that were launched over the past 60 decades were from a natural source. In this article, the anticancer potential from the natural source such as plants, fungi, microorganisms, marine, and endophytes has been reviewed. Emphasis is given on the compound from the marine, plant, and of bacterial origin. Finally, we consider the future and how we might achieve better sustainability to alleviate human cancer suffering while having fewer side effects, more efficacies, and causing less harm than the present treatments.
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Esa R, Steinberg E, Dagan A, Yekhtin Z, Tischenko K, Benny O. Newly synthesized methionine aminopeptidase 2 inhibitor hinders tumor growth. Drug Deliv Transl Res 2022; 13:1170-1182. [PMID: 35637333 DOI: 10.1007/s13346-022-01187-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/17/2022] [Indexed: 11/24/2022]
Abstract
Methionine aminopeptidase 2 (MetAp2) inhibition has been recognized as a promising approach for suppressing angiogenesis and cancer progression. Small molecule fumagillol derivatives with adamantane side groups were synthesized and evaluated for MetAp2 inhibition activity, and a lead molecule with superior abilities to inhibit the enzymatic activity of MetAp2 was identified. The compound, referred to as AD-3281, effectively suppressed proliferation of cancer and endothelial cells and impaired tube formation of endothelial cells in vitro. When administered systemically, AD-3281 was well tolerated and led to a significant suppression of human melanoma and mammary tumor xenografts grown in mice. The activity in vivo was associated with reduced angiogenesis and tumor proliferation as detected histologically. In order to develop a formulation that can solubilize AD-3281 with a minimal content of organic solvents, biodegradable nanoparticles comprised of poly-lactic-co-glycolic acid (PLGA) were fabricated and characterized. Compared with the free compound, AD-3281-loaded nanoparticles showed an advantageous cellular availability and uptake, leading to higher activity in cells and better transport in three-dimensional (3D) cultures. Taken together, we introduce a novel MetAp2 inhibitor with high anti-cancer activity and a stable nano-formulation with a high potential for future clinical translation.
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Affiliation(s)
- Rawnaq Esa
- Institute for Drug Research, School of Pharmacy, The Faculty of Medicine, The Hebrew University of Jerusalem, 91120, Jerusalem, Israel
| | - Eliana Steinberg
- Institute for Drug Research, School of Pharmacy, The Faculty of Medicine, The Hebrew University of Jerusalem, 91120, Jerusalem, Israel
| | - Arie Dagan
- Institute for Drug Research, School of Pharmacy, The Faculty of Medicine, The Hebrew University of Jerusalem, 91120, Jerusalem, Israel
- The Lautenberg Center for General and Tumor Immunology, The Hadassah Medical School, The Hebrew University of Jerusalem, 91120, Jerusalem, Israel
| | - Zhanna Yekhtin
- The Lautenberg Center for General and Tumor Immunology, The Hadassah Medical School, The Hebrew University of Jerusalem, 91120, Jerusalem, Israel
| | - Katerina Tischenko
- Institute for Drug Research, School of Pharmacy, The Faculty of Medicine, The Hebrew University of Jerusalem, 91120, Jerusalem, Israel
| | - Ofra Benny
- Institute for Drug Research, School of Pharmacy, The Faculty of Medicine, The Hebrew University of Jerusalem, 91120, Jerusalem, Israel.
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Chopra H, Bibi S, Mishra AK, Tirth V, Yerramsetty SV, Murali SV, Ahmad SU, Mohanta YK, Attia MS, Algahtani A, Islam F, Hayee A, Islam S, Baig AA, Emran TB. Nanomaterials: A Promising Therapeutic Approach for Cardiovascular Diseases. JOURNAL OF NANOMATERIALS 2022; 2022:1-25. [DOI: 10.1155/2022/4155729] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
Cardiovascular diseases (CVDs) are a primary cause of death globally. A few classic and hybrid treatments exist to treat CVDs. However, they lack in both safety and effectiveness. Thus, innovative nanomaterials for disease diagnosis and treatment are urgently required. The tiny size of nanomaterials allows them to reach more areas of the heart and arteries, making them ideal for CVDs. Atherosclerosis causes arterial stenosis and reduced blood flow. The most common treatment is medication and surgery to stabilize the disease. Nanotechnologies are crucial in treating vascular disease. Nanomaterials may be able to deliver medications to lesion sites after being infused into the circulation. Newer point-of-care devices have also been considered together with nanomaterials. For example, this study will look at the use of nanomaterials in imaging, diagnosing, and treating CVDs.
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Affiliation(s)
- Hitesh Chopra
- Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India
| | - Shabana Bibi
- Yunnan Herbal Laboratory, College of Ecology and Environmental Sciences, Yunnan University, Kunming, 650091 Yunnan, China
- The International Joint Research Center for Sustainable Utilization of Cordyceps Bioresources in China and Southeast Asia, Yunnan University, Kunming, 650091 Yunnan, China
| | - Awdhesh Kumar Mishra
- Department of Biotechnology, Yeungnam University, Gyeongsan, Gyeongsangbuk-do, Republic of Korea
| | - Vineet Tirth
- Mechanical Engineering Department, College of Engineering, King Khalid University, Abha, 61421 Asir, Saudi Arabia
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, Guraiger, Abha, 61413 Asir, P.O. Box No. 9004, Saudi Arabia
| | - Sree Vandana Yerramsetty
- Department of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, Tamil Nadu 613402, India
| | - Sree Varshini Murali
- Department of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, Tamil Nadu 613402, India
| | - Syed Umair Ahmad
- Department of Bioinformatics, Hazara University, Mansehra, Pakistan
| | - Yugal Kishore Mohanta
- Department of Applied Biology, University of Science and Technology Meghalaya, Ri-Bhoi 793101, India
| | - Mohamed S. Attia
- Department of Pharmaceutics, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt
| | - Ali Algahtani
- Mechanical Engineering Department, College of Engineering, King Khalid University, Abha, 61421 Asir, Saudi Arabia
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, Guraiger, Abha, 61413 Asir, P.O. Box No. 9004, Saudi Arabia
| | - Fahadul Islam
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
| | - Abdul Hayee
- Department of Immunology, Faculty of Medicine, Academic Assembly, University of Toyama, Toyama, Japan
| | - Saiful Islam
- Civil Engineering Department, College of Engineering, King Khalid University, Abha, 61421 Asir, Saudi Arabia
| | - Atif Amin Baig
- Unit of Biochemistry, Faculty of Medicine, Universiti Sultan Zainal Abidin, Malaysia
| | - Talha Bin Emran
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong 4381, Bangladesh
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Goya Grocin A, Kallemeijn WW, Tate EW. Targeting methionine aminopeptidase 2 in cancer, obesity, and autoimmunity. Trends Pharmacol Sci 2021; 42:870-882. [PMID: 34446297 DOI: 10.1016/j.tips.2021.07.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 07/21/2021] [Accepted: 07/25/2021] [Indexed: 11/24/2022]
Abstract
For over three decades, methionine aminopeptidase 2 (MetAP2) has been a tentative drug target for the treatment of cancer, obesity, and autoimmune diseases. Currently, no MetAP2 inhibitors (MetAP2i) have reached the clinic yet, despite considerable investment by major pharmaceutical companies. Here, we summarize the key series of MetAP2i developed to date and discuss their clinical development, progress, and issues. We coalesce the currently disparate knowledge regarding MetAP2i mechanism of action and discuss discrepancies across varied studies. Finally, we highlight the current knowledge gaps that need to be addressed to enable successful development of MetAP2 inhibitors in clinical settings.
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Affiliation(s)
- Andrea Goya Grocin
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub, London W12 0BZ, UK; The Francis Crick Institute, London NW1 1AT, UK
| | - Wouter W Kallemeijn
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub, London W12 0BZ, UK; The Francis Crick Institute, London NW1 1AT, UK
| | - Edward W Tate
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub, London W12 0BZ, UK; The Francis Crick Institute, London NW1 1AT, UK.
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11
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Xie J, Rice MA, Chen Z, Cheng Y, Hsu EC, Chen M, Song G, Cui L, Zhou K, Castillo JB, Zhang CA, Shen B, Chin FT, Kunder CA, Brooks JD, Stoyanova T, Rao J. In Vivo Imaging of Methionine Aminopeptidase II for Prostate Cancer Risk Stratification. Cancer Res 2021; 81:2510-2521. [PMID: 33637565 DOI: 10.1158/0008-5472.can-20-2969] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 12/31/2020] [Accepted: 02/24/2021] [Indexed: 11/16/2022]
Abstract
Prostate cancer is one of the most common malignancies worldwide, yet limited tools exist for prognostic risk stratification of the disease. Identification of new biomarkers representing intrinsic features of malignant transformation and development of prognostic imaging technologies are critical for improving treatment decisions and patient survival. In this study, we analyzed radical prostatectomy specimens from 422 patients with localized disease to define the expression pattern of methionine aminopeptidase II (MetAP2), a cytosolic metalloprotease that has been identified as a druggable target in cancer. MetAP2 was highly expressed in 54% of low-grade and 59% of high-grade cancers. Elevated levels of MetAP2 at diagnosis were associated with shorter time to recurrence. Controlled self-assembly of a synthetic small molecule enabled design of the first MetAP2-activated PET imaging tracer for monitoring MetAP2 activity in vivo. The nanoparticles assembled upon MetAP2 activation were imaged in single prostate cancer cells with post-click fluorescence labeling. The fluorine-18-labeled tracers successfully differentiated MetAP2 activity in both MetAP2-knockdown and inhibitor-treated human prostate cancer xenografts by micro-PET/CT scanning. This highly sensitive imaging technology may provide a new tool for noninvasive early-risk stratification of prostate cancer and monitoring the therapeutic effect of MetAP2 inhibitors as anticancer drugs. SIGNIFICANCE: This study defines MetAP2 as an early-risk stratifier for molecular imaging of aggressive prostate cancer and describes a MetAP2-activated self-assembly small-molecule PET tracer for imaging MetAP2 activity in vivo.
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Affiliation(s)
- Jinghang Xie
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, Stanford, California
| | - Meghan A Rice
- Department of Radiology, Canary Center at Stanford for Cancer Early Detection, Stanford University School of Medicine, Palo Alto, California
| | - Zixin Chen
- Department of Chemistry, Stanford University, Stanford, California
| | - Yunfeng Cheng
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, Stanford, California
| | - En-Chi Hsu
- Department of Radiology, Canary Center at Stanford for Cancer Early Detection, Stanford University School of Medicine, Palo Alto, California
| | - Min Chen
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, Stanford, California
| | - Guosheng Song
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, Stanford, California
| | - Liyang Cui
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, Stanford, California
| | - Kaixiang Zhou
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, Stanford, California
| | - Jessa B Castillo
- Department of Radiology, Cyclotron and Radiochemistry Facility, Stanford University School of Medicine, Stanford, California
| | - Chiyuan A Zhang
- Department of Urology, Stanford University School of Medicine, Stanford, California
| | - Bin Shen
- Department of Radiology, Cyclotron and Radiochemistry Facility, Stanford University School of Medicine, Stanford, California
| | - Frederick T Chin
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, Stanford, California.,Department of Radiology, Cyclotron and Radiochemistry Facility, Stanford University School of Medicine, Stanford, California
| | - Christian A Kunder
- Department of Urology, Stanford University School of Medicine, Stanford, California
| | - James D Brooks
- Department of Radiology, Canary Center at Stanford for Cancer Early Detection, Stanford University School of Medicine, Palo Alto, California.,Department of Urology, Stanford University School of Medicine, Stanford, California
| | - Tanya Stoyanova
- Department of Radiology, Canary Center at Stanford for Cancer Early Detection, Stanford University School of Medicine, Palo Alto, California.
| | - Jianghong Rao
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, Stanford, California. .,Department of Chemistry, Stanford University, Stanford, California
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12
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The methionine aminopeptidase 2 inhibitor, TNP-470, enhances the antidiabetic properties of sitagliptin in mice by upregulating xenin. Biochem Pharmacol 2020; 183:114355. [PMID: 33279496 DOI: 10.1016/j.bcp.2020.114355] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 11/12/2020] [Accepted: 12/01/2020] [Indexed: 12/24/2022]
Abstract
The therapeutic mechanism of action of methionine aminopeptidase 2 (MetAP2) inhibitors for obesity-diabetes has not yet been fully defined. Xenin, a K-cell derived peptide hormone, possesses an N-terminal Met amino acid residue. Thus, elevated xenin levels could represent a potential pharmacological mechanism of MetAP2 inhibitors, since long-acting xenin analogues have been shown to improve obesity-diabetes. The present study has assessed the ability of the MetAP2 inhibitor, TNP-470, to augment the antidiabetic utility of the incretin-enhancer drug, sitagliptin, in high fat fed (HFF) mice. TNP-470 (1 mg/kg) and sitagliptin (25 mg/kg) were administered once-daily alone, or in combination, to diabetic HFF mice (n = 10) for 18 days. Individual therapy with TNP-470 or sitagliptin resulted in numerous metabolic benefits including reduced blood glucose, increased circulating and pancreatic insulin and improved glucose tolerance, insulin sensitivity, pyruvate tolerance and overall pancreatic islet architecture. Further assessment of metabolic rate revealed that all treatments reduced respiratory exchange ratio and increased locomotor activity. All sitagliptin treated mice also exhibited increased energy expenditure. In addition, treatment with TNP-470 alone, or in combination with sitagliptin, reduced food intake and body weight, as well as elevating plasma and intestinal xenin. Importantly, combined sitagliptin and TNP-470 therapy was associated with further significant benefits beyond that observed by either treatment alone. This included more rapid restoration of normoglycaemia, superior glucose tolerance, increased circulating GIP concentrations and an enhanced pancreatic beta:alpha cell ratio. In conclusion, these data demonstrate that TNP-470 increases plasma and intestinal xenin levels, and augments the antidiabetic advantages of sitagliptin.
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13
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Peach ML, Beedie SL, Chau CH, Collins MK, Markolovic S, Luo W, Tweedie D, Steinebach C, Greig NH, Gütschow M, Vargesson N, Nicklaus MC, Figg WD. Antiangiogenic Activity and in Silico Cereblon Binding Analysis of Novel Thalidomide Analogs. Molecules 2020; 25:E5683. [PMID: 33276504 PMCID: PMC7730988 DOI: 10.3390/molecules25235683] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 11/25/2020] [Accepted: 11/27/2020] [Indexed: 12/14/2022] Open
Abstract
Due to its antiangiogenic and anti-immunomodulatory activity, thalidomide continues to be of clinical interest despite its teratogenic actions, and efforts to synthesize safer, clinically active thalidomide analogs are continually underway. In this study, a cohort of 27 chemically diverse thalidomide analogs was evaluated for antiangiogenic activity in an ex vivo rat aorta ring assay. The protein cereblon has been identified as the target for thalidomide, and in silico pharmacophore analysis and molecular docking with a crystal structure of human cereblon were used to investigate the cereblon binding abilities of the thalidomide analogs. The results suggest that not all antiangiogenic thalidomide analogs can bind cereblon, and multiple targets and mechanisms of action may be involved.
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Affiliation(s)
- Megan L. Peach
- Basic Science Program, Chemical Biology Laboratory, Frederick National Laboratory for Cancer Research, National Cancer Institute, Frederick, MD 21701, USA;
| | - Shaunna L. Beedie
- Molecular Pharmacology Section, Genitourinary Malignancies Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD 20892, USA; (S.L.B.); (C.H.C.); (M.K.C.); (S.M.)
- School of Medicine, Medical Sciences & Nutrition, Institute of Medical Sciences, University of Aberdeen, Aberdeen AB25 2ZD, UK;
| | - Cindy H. Chau
- Molecular Pharmacology Section, Genitourinary Malignancies Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD 20892, USA; (S.L.B.); (C.H.C.); (M.K.C.); (S.M.)
| | - Matthew K. Collins
- Molecular Pharmacology Section, Genitourinary Malignancies Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD 20892, USA; (S.L.B.); (C.H.C.); (M.K.C.); (S.M.)
| | - Suzana Markolovic
- Molecular Pharmacology Section, Genitourinary Malignancies Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD 20892, USA; (S.L.B.); (C.H.C.); (M.K.C.); (S.M.)
| | - Weiming Luo
- Drug Design & Development Section, Translational Gerontology Branch, National Institute on Aging, NIH, Baltimore, MD 21224, USA; (W.L.); (D.T.); (N.H.G.)
| | - David Tweedie
- Drug Design & Development Section, Translational Gerontology Branch, National Institute on Aging, NIH, Baltimore, MD 21224, USA; (W.L.); (D.T.); (N.H.G.)
| | - Christian Steinebach
- Pharmaceutical Institute, University of Bonn, 53121 Bonn, Germany; (C.S.); (M.G.)
| | - Nigel H. Greig
- Drug Design & Development Section, Translational Gerontology Branch, National Institute on Aging, NIH, Baltimore, MD 21224, USA; (W.L.); (D.T.); (N.H.G.)
| | - Michael Gütschow
- Pharmaceutical Institute, University of Bonn, 53121 Bonn, Germany; (C.S.); (M.G.)
| | - Neil Vargesson
- School of Medicine, Medical Sciences & Nutrition, Institute of Medical Sciences, University of Aberdeen, Aberdeen AB25 2ZD, UK;
| | - Marc C. Nicklaus
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, NIH, Frederick, MD 21701, USA;
| | - William D. Figg
- Molecular Pharmacology Section, Genitourinary Malignancies Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD 20892, USA; (S.L.B.); (C.H.C.); (M.K.C.); (S.M.)
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14
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Heinrich T, Seenisamy J, Becker F, Blume B, Bomke J, Dietz M, Eckert U, Friese-Hamim M, Gunera J, Hansen K, Leuthner B, Musil D, Pfalzgraf J, Rohdich F, Siegl C, Spuck D, Wegener A, Zenke FT. Identification of Methionine Aminopeptidase-2 (MetAP-2) Inhibitor M8891: A Clinical Compound for the Treatment of Cancer. J Med Chem 2019; 62:11119-11134. [DOI: 10.1021/acs.jmedchem.9b01070] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Timo Heinrich
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | | | - Frank Becker
- Intana Bioscience GmbH, Lochhamer Str. 29a, D-82152 Planegg/Martinsried, Germany
| | - Beatrix Blume
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | - Jörg Bomke
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | - Melanie Dietz
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | - Uwe Eckert
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | - Manja Friese-Hamim
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | - Jakub Gunera
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | - Kerrin Hansen
- Intana Bioscience GmbH, Lochhamer Str. 29a, D-82152 Planegg/Martinsried, Germany
| | - Birgitta Leuthner
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | - Djordje Musil
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | - Jens Pfalzgraf
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | - Felix Rohdich
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | - Christian Siegl
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | - Dieter Spuck
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | - Ansgar Wegener
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | - Frank T. Zenke
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
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15
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Abramov E, Schwob O, Benny O. Film‐ and ointment‐based delivery systems for the transdermal delivery of TNP‐470. POLYM ADVAN TECHNOL 2019. [DOI: 10.1002/pat.4684] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Eva Abramov
- Institute for Drug Research, The School of Pharmacy, Faculty of MedicineCampus Ein Karem, The Hebrew University of Jerusalem Jerusalem Israel
| | - Ouri Schwob
- Institute for Drug Research, The School of Pharmacy, Faculty of MedicineCampus Ein Karem, The Hebrew University of Jerusalem Jerusalem Israel
| | - Ofra Benny
- Institute for Drug Research, The School of Pharmacy, Faculty of MedicineCampus Ein Karem, The Hebrew University of Jerusalem Jerusalem Israel
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16
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Hong Y, Rao Y. Current status of nanoscale drug delivery systems for colorectal cancer liver metastasis. Biomed Pharmacother 2019; 114:108764. [DOI: 10.1016/j.biopha.2019.108764] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 02/25/2019] [Accepted: 03/06/2019] [Indexed: 12/24/2022] Open
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17
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TNP-470 skews DC differentiation to Th1-stimulatory phenotypes and can serve as a novel adjuvant in a cancer vaccine. Blood Adv 2019; 2:1664-1679. [PMID: 30012585 DOI: 10.1182/bloodadvances.2017013433] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Accepted: 06/15/2018] [Indexed: 12/20/2022] Open
Abstract
Fumagillin is an antiangiogenic and antineoplastic fungal natural product, and TNP-470 is one of its most potent analogs. Decades of studies revealed that TNP-470 has potent anticancer activities via destruction of neovasculature. In stark contrast, TNP-470 has been reported to suppress lymphocyte proliferation, thereby limiting its clinical potentials. In an attempt to investigate whether the similar or opposite immunomodulatory effect of TNP-470 could act on myeloid cells, we found that TNP-470 potentiates the immunogenicity of dendritic cells (DCs) toward a phenotype with T helper cell type 1 (Th1)-stimulatory features. Using DC vaccine on a murine melanoma cancer model, the TNP-470-treated DC vaccine could significantly induce tumor-specific immunogenicity and substantially enhance tumor eradication when compared with vehicle-treated DC vaccine in a prophylactic setting. Enhanced tumor-specific immunogenicity and delayed tumor progression were observed in a therapeutic setting upon the TNP-470-treated DC vaccine. Our data showed that TNP-470 potentiates Toll-like receptor signaling, including NF-κB activation, in DCs to transcriptionally activate interleukin-12 production, thus inducing a Th1-immune response. Our current study uncovers a novel immune function of TNP-470 in DCs and redefines its role as a novel class of small molecule immune adjuvant in DC-based cancer vaccine given potentiation of DC immunogenicity is a major roadblock in DC vaccine development. Our study not only provides a novel adjuvant for ex vivo-cultured patient-specific DC vaccines for cancer treatment but also discovers the distinct immunostimulatory function of TNP-470 in DCs of myeloid lineage that differs from its immunosuppressive function in lymphoid cells.
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18
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Heinrich T, Seenisamy J, Blume B, Bomke J, Calderini M, Eckert U, Friese-Hamim M, Kohl R, Lehmann M, Leuthner B, Musil D, Rohdich F, Zenke FT. Discovery and Structure-Based Optimization of Next-Generation Reversible Methionine Aminopeptidase-2 (MetAP-2) Inhibitors. J Med Chem 2019; 62:5025-5039. [DOI: 10.1021/acs.jmedchem.9b00041] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Timo Heinrich
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | | | - Beatrix Blume
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | - Jörg Bomke
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | - Michel Calderini
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | - Uwe Eckert
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | - Manja Friese-Hamim
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | - Rainer Kohl
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | - Martin Lehmann
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | - Birgitta Leuthner
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | - Djordje Musil
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | - Felix Rohdich
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | - Frank T. Zenke
- Merck Healthcare, Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
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19
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Chen AY, Adamek RN, Dick BL, Credille CV, Morrison CN, Cohen SM. Targeting Metalloenzymes for Therapeutic Intervention. Chem Rev 2019; 119:1323-1455. [PMID: 30192523 PMCID: PMC6405328 DOI: 10.1021/acs.chemrev.8b00201] [Citation(s) in RCA: 161] [Impact Index Per Article: 32.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Metalloenzymes are central to a wide range of essential biological activities, including nucleic acid modification, protein degradation, and many others. The role of metalloenzymes in these processes also makes them central for the progression of many diseases and, as such, makes metalloenzymes attractive targets for therapeutic intervention. Increasing awareness of the role metalloenzymes play in disease and their importance as a class of targets has amplified interest in the development of new strategies to develop inhibitors and ultimately useful drugs. In this Review, we provide a broad overview of several drug discovery efforts focused on metalloenzymes and attempt to map out the current landscape of high-value metalloenzyme targets.
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Affiliation(s)
- Allie Y Chen
- Department of Chemistry and Biochemistry , University of California, San Diego , La Jolla , California 92093 , United States
| | - Rebecca N Adamek
- Department of Chemistry and Biochemistry , University of California, San Diego , La Jolla , California 92093 , United States
| | - Benjamin L Dick
- Department of Chemistry and Biochemistry , University of California, San Diego , La Jolla , California 92093 , United States
| | - Cy V Credille
- Department of Chemistry and Biochemistry , University of California, San Diego , La Jolla , California 92093 , United States
| | - Christine N Morrison
- Department of Chemistry and Biochemistry , University of California, San Diego , La Jolla , California 92093 , United States
| | - Seth M Cohen
- Department of Chemistry and Biochemistry , University of California, San Diego , La Jolla , California 92093 , United States
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20
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Monsen PJ, Luzzio FA. Antiangiogenic Activity and Chemical Derivatization of the Neurotoxic Acetogenin Annonacin Isolated from Asimina triloba. JOURNAL OF NATURAL PRODUCTS 2018; 81:1905-1909. [PMID: 30028612 DOI: 10.1021/acs.jnatprod.8b00284] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Annonacin (1) was isolated from the North American pawpaw ( Asimina triloba), as reported earlier from these laboratories. Natural 1 was submitted to the rat aortic ring bioassay for evaluation of antiangiogenic activity and was found to inhibit microvessel growth (IC50 value of 3 μM). 4,10,15,20-Tetraazido derivatives of 1 were prepared by permesylation followed by azide displacement or by iodination followed by azide displacement. The tetraazide derived from mesylation/azidation was antiangiogenic, while that derived from iodination/azidation exhibited no appreciable activity. The membrane permeability of natural 1 was evaluated using the parallel artificial membrane permeability assay and was found to be marginally permeable as compared to several clinically relevant compounds.
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Affiliation(s)
- Paige J Monsen
- Department of Chemistry , University of Louisville , 2320 South Brook Street , Louisville , Kentucky 40292 , United States
| | - Frederick A Luzzio
- Department of Chemistry , University of Louisville , 2320 South Brook Street , Louisville , Kentucky 40292 , United States
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21
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Anti-angiogenic drug loaded liposomes: Nanotherapy for early atherosclerotic lesions in mice. PLoS One 2018; 13:e0190540. [PMID: 29338009 PMCID: PMC5770017 DOI: 10.1371/journal.pone.0190540] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Accepted: 12/15/2017] [Indexed: 02/08/2023] Open
Abstract
Fumagillin-loaded liposomes were injected into ApoE-KO mice. The animals were divided into several groups to test the efficacy of this anti-angiogenic drug for early treatment of atherosclerotic lesions. Statistical analysis of the lesions revealed a decrease in the lesion size after 5 weeks of treatment.
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22
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Novel reversible methionine aminopeptidase-2 (MetAP-2) inhibitors based on purine and related bicyclic templates. Bioorg Med Chem Lett 2017; 27:551-556. [DOI: 10.1016/j.bmcl.2016.12.019] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Revised: 12/06/2016] [Accepted: 12/07/2016] [Indexed: 11/23/2022]
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23
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Nguyen DT, Fan Y, Akay YM, Akay M. TNP-470 Reduces Glioblastoma Angiogenesis in Three Dimensional GelMA Microwell Platform. IEEE Trans Nanobioscience 2016; 15:683-688. [DOI: 10.1109/tnb.2016.2600542] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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24
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Shared mechanism of teratogenicity of anti-angiogenic drugs identified in the chicken embryo model. Sci Rep 2016; 6:30038. [PMID: 27443489 PMCID: PMC4957076 DOI: 10.1038/srep30038] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Accepted: 06/29/2016] [Indexed: 12/24/2022] Open
Abstract
Angiogenesis, the formation of new blood vessels, is essential for tumor growth, stabilization and progression. Angiogenesis inhibitors are now widely used in the clinic; however, there are relatively few published studies on the mechanism of their presumed teratogenic effects. To address this issue, we screened a variety of angiogenesis inhibitors in developing zebrafish and chicken embryo models to assess for developmental defects and potential teratogenic effects. We confirmed previous reports that sunitinib, sorafenib and TNP-470 are teratogenic and demonstrate that axitinib, pazopanib, vandetanib, and everolimus are also teratogens in these models. A dose response study identified the drugs inhibit HUVEC cell proliferation in vitro, and also target the developing blood vessels of embryos in vivo. This provides further evidence for the potential risk of fetal toxicity when using these drugs in a clinical setting, and emphasizes the importance of the development and maintenance of the vasculature in the embryo. We conclude that angiogenesis inhibitors, regardless of the molecular target, are teratogenic when exposed to chicken embryos.
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25
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Hamilton JL, Nagao M, Levine BR, Chen D, Olsen BR, Im HJ. Targeting VEGF and Its Receptors for the Treatment of Osteoarthritis and Associated Pain. J Bone Miner Res 2016; 31:911-24. [PMID: 27163679 PMCID: PMC4863467 DOI: 10.1002/jbmr.2828] [Citation(s) in RCA: 159] [Impact Index Per Article: 19.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Revised: 02/26/2016] [Accepted: 03/04/2016] [Indexed: 01/15/2023]
Abstract
Increased vascular endothelial growth factor (VEGF) levels are associated with osteoarthritis (OA) progression. Indeed, VEGF appears to be involved in OA-specific pathologies including cartilage degeneration, osteophyte formation, subchondral bone cysts and sclerosis, synovitis, and pain. Moreover, a wide range of studies suggest that inhibition of VEGF signaling reduces OA progression. This review highlights both the potential significance of VEGF in OA pathology and pain, as well as potential benefits of inhibition of VEGF and its receptors as an OA treatment. With the emergence of the clinical use of anti-VEGF therapy outside of OA, both as high-dose systemic treatments and low-dose local treatments, these particular therapies are now more widely understood. Currently, there is no established disease-modifying drug available for patients with OA, which warrants continued study of the inhibition of VEGF signaling in OA, as stand-alone or adjuvant therapy. © 2016 American Society for Bone and Mineral Research.
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Affiliation(s)
- John L. Hamilton
- Department of Biochemistry, Rush University Medical Center, Chicago, IL 60612, USA
| | - Masashi Nagao
- Department of Developmental Biology, Harvard School of Dental Medicine, Boston, MA, 02115, USA
| | - Brett R. Levine
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL 60612, USA
| | - Di Chen
- Department of Biochemistry, Rush University Medical Center, Chicago, IL 60612, USA
| | - Bjorn R. Olsen
- Department of Developmental Biology, Harvard School of Dental Medicine, Boston, MA, 02115, USA
| | - Hee-Jeong Im
- Department of Biochemistry, Rush University Medical Center, Chicago, IL 60612, USA
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL 60612, USA
- Internal Medicine Section of Rheumatology, Rush University Medical Center, Chicago, IL 60612, USA
- Department of Bioengineering, University of Illinois, Chicago, IL, 60612, USA
- Jesse Brown Veterans Affairs, Chicago, IL 60612, USA
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26
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Wang Y, Li DH, Li ZL, Sun YJ, Hua HM, Liu T, Bai J. Terpenoids from the Marine-Derived Fungus Aspergillus fumigatus YK-7. Molecules 2015; 21:E31. [PMID: 26729074 PMCID: PMC6273775 DOI: 10.3390/molecules21010031] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2015] [Revised: 12/17/2015] [Accepted: 12/21/2015] [Indexed: 11/17/2022] Open
Abstract
Two new β-bergamotane sesquiterpenoids, E-β-trans-5,8,11-trihydroxybergamot-9-ene (1) and β-trans-2β,5,15-trihydroxybergamot-10-ene (2), were isolated from the marine-derived fungus Aspergillusfumigatus YK-7, along with three known terpenoids 3–5. Their structures were determined by spectroscopic methods (1D and 2D NMR, HR-ESI-MS). Antiproliferative effects on human leukemic monocyte lymphoma U937 and human prostate cancer PC-3 cell lines were measured in vitro. Compound 4 exhibited potent activity against the U937 cell line with an IC50 value of 4.2 μM.
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Affiliation(s)
- Yu Wang
- Department of Natural Products Chemistry, School of Pharmacy, China Medical University, Shenyang 110122, China.
| | - Da-Hong Li
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, China.
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Zhan-Lin Li
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, China.
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Yan-Jun Sun
- School of Pharmacy, Henan University of Traditional Chinese Medicine, Zhengzhou 450046, China.
| | - Hui-Ming Hua
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, China.
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Tao Liu
- Department of Natural Products Chemistry, School of Pharmacy, China Medical University, Shenyang 110122, China.
| | - Jiao Bai
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, China.
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China.
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27
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Watanabe K. Effective use of heterologous hosts for characterization of biosynthetic enzymes allows production of natural products and promotes new natural product discovery. Chem Pharm Bull (Tokyo) 2015; 62:1153-65. [PMID: 25450623 DOI: 10.1248/cpb.c14-00471] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
In the past few years, there has been impressive progress in elucidating the mechanism of biosynthesis of various natural products accomplished through the use of genetic, molecular biological and biochemical techniques. Here, we present a comprehensive overview of the current results from our studies on fungal natural product biosynthetic enzymes, including nonribosomal peptide synthetase and polyketide synthase-nonribosomal peptide synthetase hybrid synthetase, as well as auxiliary enzymes, such as methyltransferases and oxygenases. Specifically, biosynthesis of the following compounds is described in detail: (i) Sch210972, potentially involving a Diels-Alder reaction that may be catalyzed by CghA, a functionally unknown protein identified by targeted gene disruption in the wild type fungus; (ii) chaetoglobosin A, formed via multi-step oxidations catalyzed by three redox enzymes, one flavin-containing monooxygenase and two cytochrome P450 oxygenases as characterized by in vivo biotransformation of relevant intermediates in our engineered Saccharomyces cerevisiae; (iii) (-)-ditryptophenaline, formed by a cytochrome P450, revealing the dimerization mechanism for the biosynthesis of diketopiperazine alkaloids; (iv) pseurotins, whose variations in the C- and O-methylations and the degree of oxidation are introduced combinatorially by multiple redox enzymes; and (v) spirotryprostatins, whose spiro-carbon moiety is formed by a flavin-containing monooxygenase or a cytochrome P450 as determined by heterologous de novo production of the biosynthetic intermediates and final products in Aspergillus niger. We close our discussion by summarizing some of the key techniques that have facilitated the discovery of new natural products, production of their analogs and identification of biosynthetic mechanisms in our study.
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Affiliation(s)
- Kenji Watanabe
- Department of Pharmaceutical Sciences, University of Shizuoka
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28
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Omer A, Suryanarayanan V, Selvaraj C, Singh SK, Singh P. Explicit Drug Re-positioning: Predicting Novel Drug-Target Interactions of the Shelved Molecules with QM/MM Based Approaches. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2015; 100:89-112. [PMID: 26415842 DOI: 10.1016/bs.apcsb.2015.07.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
With the demand to enhance the speed of the drug discovery process there has been an increased usage of computational approaches in drug discovery studies. However because of their probabilistic outcomes, the challenge is to exactly mimic the natural environment which can provide the exact charge polarization effect while estimating the binding energy between protein and ligand. There has been a large number of scoring functions from simple one to the complex one available for estimating binding energy. The quantum mechanics/molecular mechanics (QM/MM) hybrid approach has been the preferred choice of interest since last decade for modeling reactions in biomolecular systems. The application of QM/MM approach has been expanded right from rescoring the already known complexes and depicting the correct position of some novel molecule to ranking a large number of molecules. It is expected that the application of QM/MM-based scoring will grow in all areas of drug discovery. However, the most promising area will be its application in repositioning, that is, assigning novel functions or targets to the already existing drugs, as this would stop the rising attrition rates as well as reduce the overall time and cost of drug discovery procedure.
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Affiliation(s)
- Ankur Omer
- Division of Toxicology, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, India; Academy of Scientific & Innovative Research (AcSIR), New Delhi, India
| | - Venkatesan Suryanarayanan
- Department of Bioinformatics, Computer Aided Drug Design and Molecular Modeling Lab, Science Block, Alagappa University, Karaikudi, Tamil Nadu, India
| | - Chandrabose Selvaraj
- Department of Bioinformatics, Computer Aided Drug Design and Molecular Modeling Lab, Science Block, Alagappa University, Karaikudi, Tamil Nadu, India
| | - Sanjeev Kumar Singh
- Department of Bioinformatics, Computer Aided Drug Design and Molecular Modeling Lab, Science Block, Alagappa University, Karaikudi, Tamil Nadu, India.
| | - Poonam Singh
- Division of Toxicology, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, India; Academy of Scientific & Innovative Research (AcSIR), New Delhi, India.
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29
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Khazir J, Riley DL, Pilcher LA, De-Maayer P, Mir BA. Anticancer Agents from Diverse Natural Sources. Nat Prod Commun 2014. [DOI: 10.1177/1934578x1400901130] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
This review attempts to portray the discovery and development of anticancer agents/drugs from diverse natural sources. Natural molecules from these natural sources including plants, microbes and marine organisms have been the basis of treatment of human diseases since the ancient times. Compounds derived from nature have been important sources of new drugs and also serve as templates for synthetic modification. Many successful anti-cancer drugs currently in use are naturally derived or their analogues and many more are under clinical trials. This review aims to highlight the invaluable role that natural products have played, and continue to play, in the discovery of anticancer agents.
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Affiliation(s)
- Jabeena Khazir
- Department of Chemistry, University of Pretoria, Pretoria 0028, South Africa
| | - Darren L. Riley
- Department of Chemistry, University of Pretoria, Pretoria 0028, South Africa
| | - Lynne A. Pilcher
- Department of Chemistry, University of Pretoria, Pretoria 0028, South Africa
| | - Pieter De-Maayer
- Centre for Microbial Ecology and Genomics, Department of Genetics, University of Pretoria, Pretoria 0028, South Africa
- Genomics Research Institute, University of Pretoria, Pretoria 0028, South Africa
| | - Bilal Ahmad Mir
- Centre for Microbial Ecology and Genomics, Department of Genetics, University of Pretoria, Pretoria 0028, South Africa
- Genomics Research Institute, University of Pretoria, Pretoria 0028, South Africa
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30
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Jung HJ, Cho M, Kim Y, Han G, Kwon HJ. Development of a novel class of mitochondrial ubiquinol-cytochrome c reductase binding protein (UQCRB) modulators as promising antiangiogenic leads. J Med Chem 2014; 57:7990-8. [PMID: 25244355 DOI: 10.1021/jm500863j] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Recently, we identified a novel therapeutic target and a small molecule for regulating angiogenesis. Our study showed that ubiquinol-cytochrome c reductase binding protein (UQCRB) of the mitochondrial complex III plays a crucial role in hypoxia-induced angiogenesis via mitochondrial reactive oxygen species (ROS) mediated signaling. Herein, we developed new synthetic small molecules that specifically bind to UQCRB and regulate its function. To improve the pharmacological properties of 6-((1-hydroxynaphthalen-4-ylamino)dioxysulfone)-2H-naphtho[1,8-bc]thiophen-2-one (HDNT), a small molecule that targets UQCRB, a series of HDNT derivatives were designed and synthesized. Several derivatives showed a significant increase in hypoxia inducible factor 1α (HIF-1α) inhibitory potency compared to HDNT. The compounds bound to UQCRB and suppressed mitochondrial ROS-mediated hypoxic signaling, resulting in potent inhibition of angiogenesis without inducing cytotoxicity. Notably, one of these new derivatives significantly suppressed tumor growth in a mouse xenograft model. Therefore, these mitochondrial UQCRB modulators could be potential leads for the development of novel antiangiogenic agents.
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Affiliation(s)
- Hye Jin Jung
- Department of Biotechnology, Translational Research Center for Protein Function Control, College of Life Science and Biotechnology, Yonsei University , Seoul 120-749, Republic of Korea
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31
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Lin HC, Tsunematsu Y, Dhingra S, Xu W, Fukutomi M, Chooi YH, Cane D, Calvo AM, Watanabe K, Tang Y. Generation of complexity in fungal terpene biosynthesis: discovery of a multifunctional cytochrome P450 in the fumagillin pathway. J Am Chem Soc 2014; 136:4426-36. [PMID: 24568283 PMCID: PMC3985917 DOI: 10.1021/ja500881e] [Citation(s) in RCA: 75] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2014] [Indexed: 01/01/2023]
Abstract
Fumagillin (1), a meroterpenoid from Aspergillus fumigatus, is known for its antiangiogenic activity due to binding to human methionine aminopeptidase 2. 1 has a highly oxygenated structure containing a penta-substituted cyclohexane that is generated by oxidative cleavage of the bicyclic sesquiterpene β-trans-bergamotene. The chemical nature, order, and biochemical mechanism of all the oxygenative tailoring reactions has remained enigmatic despite the identification of the biosynthetic gene cluster and the use of targeted-gene deletion experiments. Here, we report the identification and characterization of three oxygenases from the fumagillin biosynthetic pathway, including a multifunctional cytochrome P450 monooxygenase, a hydroxylating nonheme-iron-dependent dioxygenase, and an ABM family monooxygenase for oxidative cleavage of the polyketide moiety. Most significantly, the P450 monooxygenase is shown to catalyze successive hydroxylation, bicyclic ring-opening, and two epoxidations that generate the sesquiterpenoid core skeleton of 1. We also characterized a truncated polyketide synthase with a ketoreductase function that controls the configuration at C-5 of hydroxylated intermediates.
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Affiliation(s)
- Hsiao-Ching Lin
- Department of Chemical and Biomolecular
Engineering,
and Department of Chemistry
and Biochemistry, University of California, Los Angeles, California 90095
| | - Yuta Tsunematsu
- Department
of Pharmaceutical Sciences, University of
Shizuoka, Shizuoka 422-8526, Japan
| | - Sourabh Dhingra
- Department
of Biological Sciences, Northern Illinois
University, DeKalb, Illinois 60115, United
States
| | - Wei Xu
- Department of Chemical and Biomolecular
Engineering,
and Department of Chemistry
and Biochemistry, University of California, Los Angeles, California 90095
| | - Manami Fukutomi
- Department
of Pharmaceutical Sciences, University of
Shizuoka, Shizuoka 422-8526, Japan
| | - Yit-Heng Chooi
- Research
School of Biology, Australian National University, Canberra, ACT
0200, Australia
| | - David
E. Cane
- Department
of Chemistry, Box H, Brown University, Providence, Rhode Island 02912, United States
| | - Ana M. Calvo
- Department
of Biological Sciences, Northern Illinois
University, DeKalb, Illinois 60115, United
States
| | - Kenji Watanabe
- Department
of Pharmaceutical Sciences, University of
Shizuoka, Shizuoka 422-8526, Japan
| | - Yi Tang
- Department of Chemical and Biomolecular
Engineering,
and Department of Chemistry
and Biochemistry, University of California, Los Angeles, California 90095
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32
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Wang Y, Liu P, Duan Y, Yin X, Wang Q, Liu X, Wang X, Zhou J, Wang W, Qiu L, Di W. Specific cell targeting with APRPG conjugated PEG-PLGA nanoparticles for treating ovarian cancer. Biomaterials 2013; 35:983-92. [PMID: 24176193 DOI: 10.1016/j.biomaterials.2013.09.062] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2013] [Accepted: 09/17/2013] [Indexed: 01/07/2023]
Abstract
Good biocompatibility, specific tumor targeting, effective drug loading capacity and persistence in the circulation in vivo are imperative prerequisites for the antitumor efficiency of nanoparticles and their further clinical application. In this study, APRPG (Ala-Pro-Arg-Pro-Gly) peptide-modified poly (ethylene glycol)-poly (lactic acid) (PEG-PLA) nanoparticles (NP-APRPG) encapsulating inhibitors of angiogenesis (TNP-470) (TNP-470-NP-APRPG) were fabricated. TNP-470-NP-APRPG was designed to feature maleimide-PEG-PLA and mPEG-PLA as carrier materials, the APRPG peptide for targeting angiogenesis, PEG for prolonging circulation in vivo and PLA for loading TNP-470. TNP-470-NP-APRPG was confirmed to be approximately 130 nm in size with negative ζ-potential (-14.3 mV), narrow distribution (PDI = 0.27) and spherical morphology according to dynamic light scattering (DLS) and transmission electron microscopy (TEM) analyses. In addition, X-ray photoelectron spectra (XPS) analyses confirmed 7.73% APRPG grafting on the TNP-470-NP. In vitro, TNP-470-NP-APRPG exhibited effective inhibition of proliferation, migration and tube formation in human umbilical vein endothelial cells (HUVECs). Similar findings were observed for the retardation of tumor growth in SKOV3 ovarian cancer-bearing mice, suggesting the significant inhibition of angiogenesis and antitumor efficiency of TNP-470-NP-APRPG. Moreover, no obvious toxic drug responses were observed. Further evidence obtained from the immunohistochemical examination demonstrated that the tumor growth inhibition was closely correlated with the high rate of apoptosis among endothelial cells and the effective blockade of endothelial cell proliferation. These results demonstrate that NP-APRPG is a promising carrier for delivering TNP-470 to treat ovarian cancer and that this approach has the potential to achieve broad tumor coverage in the clinic.
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Affiliation(s)
- Yunfei Wang
- Department of Obstetrics and Gynecology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, PR China; Shanghai Key Laboratory of Gynecologic Oncology, Shanghai 200127, PR China
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Jung HJ, Kwon HJ. Exploring the role of mitochondrial UQCRB in angiogenesis using small molecules. MOLECULAR BIOSYSTEMS 2013; 9:930-9. [PMID: 23475074 DOI: 10.1039/c3mb25426g] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Bioactive small molecules are powerful tools used to evaluate protein function under physiological and pathological conditions. Over recent decades, utilization of a variety of biologically active small molecules in basic research and clinical applications has provided tremendous benefits in understanding the molecular mechanisms of biology and accelerating drug development. This review focuses on recent advances in the identification of new small molecules and their target proteins for exploring angiogenesis at the molecular level. In particular, we focus on the oxygen-sensing role of ubiquinol-cytochrome c reductase binding protein (UQCRB) of mitochondrial Complex III through identification of the protein target and the mode of action of a natural small molecule, terpestacin. The positive feedback approach of chemistry and biology provides a new way to explore functional roles of proteins and to translate this information into practical applications.
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Affiliation(s)
- Hye Jin Jung
- Chemical Genomics National Research Laboratory, Department of Biotechnology, Translational Research Center for Protein Function Control, College of Life Science and Biotechnology, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 120-749, Korea
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34
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Bladt TT, Frisvad JC, Knudsen PB, Larsen TO. Anticancer and antifungal compounds from Aspergillus, Penicillium and other filamentous fungi. Molecules 2013; 18:11338-76. [PMID: 24064454 PMCID: PMC6269870 DOI: 10.3390/molecules180911338] [Citation(s) in RCA: 83] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2013] [Revised: 08/23/2013] [Accepted: 09/03/2013] [Indexed: 12/11/2022] Open
Abstract
This review covers important anticancer and antifungal compounds reported from filamentous fungi and in particular from Aspergillus, Penicillium and Talaromyces. The taxonomy of these fungi is not trivial, so a focus of this review has been to report the correct identity of the producing organisms based on substantial previous in-house chemotaxonomic studies.
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Affiliation(s)
- Tanja Thorskov Bladt
- Department of Systems Biology, Technical University of Denmark, Søltofts Plads, Building 221, DK-2800 Kgs. Lyngby, Denmark.
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35
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Synthesis and SAR studies of praziquantel derivatives with activity against Schistosoma japonicum. Molecules 2013; 18:9163-78. [PMID: 23912271 PMCID: PMC6269691 DOI: 10.3390/molecules18089163] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2013] [Revised: 07/24/2013] [Accepted: 07/25/2013] [Indexed: 11/17/2022] Open
Abstract
The synthesis and structure-activity relationship (SAR) studies of praziquantel derivatives with activity against adult Schistosoma japonicum are described. Several of them showed better worm killing activity than praziquantel and could serve as leads for further optimization.
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36
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Zhang F, Bhat S, Gabelli SB, Chen X, Miller MS, Nacev BA, Cheng YL, Meyers DJ, Tenney K, Shim JS, Crews P, Amzel LM, Ma D, Liu JO. Pyridinylquinazolines selectively inhibit human methionine aminopeptidase-1 in cells. J Med Chem 2013; 56:3996-4016. [PMID: 23634668 DOI: 10.1021/jm400227z] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Methionine aminopeptidases (MetAPs), which remove the initiator methionine from nascent peptides, are essential in all organisms. While MetAP2 has been demonstrated to be a therapeutic target for inhibiting angiogenesis in mammals, MetAP1 seems to be vital for cell proliferation. Our earlier efforts identified two structural classes of human MetAP1 (HsMetAP1)-selective inhibitors (1-4), but all of them failed to inhibit cellular HsMetAP1. Using Mn(II) or Zn(II) to activate HsMetAP1, we found that 1-4 could only effectively inhibit purified HsMetAP1 in the presence of physiologically unachievable concentrations of Co(II). In an effort to seek Co(II)-independent inhibitors, a novel structural class containing a 2-(pyridin-2-yl)quinazoline core has been discovered. Many compounds in this class potently and selectively inhibited HsMetAP1 without Co(II). Subsequently, we demonstrated that 11j, an auxiliary metal-dependent inhibitor, effectively inhibited HsMetAP1 in primary cells. This is the first report that an HsMetAP1-selective inhibitor is effective against its target in cells.
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Affiliation(s)
- Feiran Zhang
- Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, 725 North Wolfe Street, Baltimore, Maryland 21205, USA
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Lin HC, Chooi YH, Dhingra S, Xu W, Calvo AM, Tang Y. The fumagillin biosynthetic gene cluster in Aspergillus fumigatus encodes a cryptic terpene cyclase involved in the formation of β-trans-bergamotene. J Am Chem Soc 2013; 135:4616-9. [PMID: 23488861 PMCID: PMC3652892 DOI: 10.1021/ja312503y] [Citation(s) in RCA: 127] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Fumagillin 1 is a meroterpenoid from Aspergillus fumigatus that is known for its anti-angiogenic activity by binding to human methionine aminopeptidase 2. The genetic and molecular basis for biosynthesis of 1 had been an enigma despite the availability of the A. fumigatus genome sequence. Here, we report the identification and verification of the fma gene cluster, followed by characterization of the polyketide synthase and acyltransferase involved in biosynthesis of the dioic acid portion of 1. More significantly, we uncovered the elusive β-trans-bergamotene synthase in A. fumigatus as a membrane-bound terpene cyclase.
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Affiliation(s)
- Hsiao-Ching Lin
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, California 90095
| | - Yit-Heng Chooi
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, California 90095
| | - Sourabh Dhingra
- Department of Biological Sciences, Northern Illinois University, DeKalb, Illinois 60115
| | - Wei Xu
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, California 90095
| | - Ana M. Calvo
- Department of Biological Sciences, Northern Illinois University, DeKalb, Illinois 60115
| | - Yi Tang
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, California 90095
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095
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Yuryev A, Kotelnikova E, Daraselia N. Ariadne's ChemEffect and Pathway Studio knowledge base. Expert Opin Drug Discov 2013; 4:1307-18. [PMID: 23480468 DOI: 10.1517/17460440903413488] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
IMPORTANCE OF THE FIELD Drug discovery and development is a very complex and costly process. Understanding the detailed molecular mechanisms of a disease and drug actions can make it more efficient not only for new target discovery but also for lead prioritization, drug repositioning and development of biomarkers for drug efficacy and safety. Access to formalized knowledge about functions of proteins and small molecules is crucial for rationalization of the drug development process, and scientific publications are the main source of this knowledge. Protein knowledge networks capturing protein functions, protein-protein relations and organization of proteins in complex cellular sub-systems are making their way into modern drug discovery. Chemical networks representing multiple aspects of chemical functional information integrated into a protein systems biology network is even more advanced and promising paradigm. AREAS COVERED IN THIS REVIEW This review describes utilization of literature-derived protein and chemical functional knowledge bases in drug development. WHAT THE READER WILL GAIN Readers will gain an understanding of how integrated protein and chemical knowledge networks can be used for understanding and building the models of cellular events, disease mechanisms, and drug actions, finding biomarkers of drug efficacy and safety, as well as interpretation of high-throughput gene expression, proteomic and metabolomic experiments. TAKE HOME MESSAGE Integrated literature-derived protein and chemical knowledge bases can rationalize many aspects of drug development process including drug repositioning and biomarker design.
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Affiliation(s)
- Anton Yuryev
- Ariadne Genomics, Inc. 9430 Key West Ave, Rockville MD, 20850, USA +1 240 453 6296 ; +1 240 453 9026 ;
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39
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Zhang P, Yang X, Zhang F, Gabelli SB, Wang R, Zhang Y, Bhat S, Chen X, Furlani M, Amzel LM, Liu JO, Ma D. Pyridinylpyrimidines selectively inhibit human methionine aminopeptidase-1. Bioorg Med Chem 2013; 21:2600-17. [PMID: 23507151 DOI: 10.1016/j.bmc.2013.02.023] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2012] [Revised: 02/03/2013] [Accepted: 02/11/2013] [Indexed: 11/17/2022]
Abstract
Cellular protein synthesis is initiated with methionine in eukaryotes with few exceptions. Methionine aminopeptidases (MetAPs) which catalyze the process of N-terminal methionine excision are essential for all organisms. In mammals, type 2 MetAP (MetAP2) is known to be important for angiogenesis, while type 1 MetAP (MetAP1) has been shown to play a pivotal role in cell proliferation. Our previous high-throughput screening of a commercial compound library uncovered a novel class of inhibitors for both human MetAP1 (HsMetAP1) and human MetAP2 (HsMetAP2). This class of inhibitors contains a pyridinylpyrimidine core. To understand the structure-activity relationship (SAR) and to search for analogues of 2 with greater potency and higher HsMetAP1-selectivity, a total of 58 analogues were acquired through either commercial source or by in-house synthesis and their inhibitory activities against HsMetAP1 and HsMetAP2 were determined. Through this systematic medicinal chemistry analysis, we have identified (1) 5-chloro-6-methyl-2-pyridin-2-ylpyrimidine as the minimum element for the inhibition of HsMetAP1; (2) 5'-chloro as the favored substituent on the pyridine ring for the enhanced potency against HsMetAP1; and (3) long C4 side chains as the essentials for higher HsMetAP1-selectivity. At the end of our SAR campaign, 25b, 25c, 26d and 30a-30c are among the most selective and potent inhibitors of purified HsMetAP1 reported to date. In addition, we also performed crystallographic analysis of one representative inhibitor (26d) in complex with N-terminally truncated HsMetAP1.
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Affiliation(s)
- Pengtao Zhang
- State Key Laboratory of Bioorganic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai 200032, China
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40
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Tomlinson RE, McKenzie JA, Schmieder AH, Wohl GR, Lanza GM, Silva MJ. Angiogenesis is required for stress fracture healing in rats. Bone 2013; 52:212-9. [PMID: 23044046 PMCID: PMC3513671 DOI: 10.1016/j.bone.2012.09.035] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2012] [Revised: 09/25/2012] [Accepted: 09/28/2012] [Indexed: 12/12/2022]
Abstract
Although angiogenesis and osteogenesis are critically linked, the importance of angiogenesis for stress fracture healing is unknown. In this study, mechanical loading was used to create a non-displaced stress fracture in the adult rat forelimb. Fumagillin, an anti-angiogenic agent, was used as the water soluble analogue TNP-470 (25mg/kg) as well as incorporated into lipid-encapsulated α(v)β(3) integrin targeted nanoparticles (0.25mg/kg). In the first experiment, TNP-470 was administered daily for 5 days following mechanical loading, and changes in gene expression, vascularity, and woven bone formation were quantified. Although no changes in vascularity were detected 3 days after loading, treatment-related downregulation of angiogenic (Pecam1) and osteogenic (Bsp, Osx) genes was observed at this early time point. On day 7, microCT imaging of loaded limbs revealed diminished woven bone formation in treated limbs compared to vehicle treated limbs. In the second experiment, α(v)β(3) integrin targeted fumagillin nanoparticles were administered as before, albeit with a 100-fold lower dose, and changes in vascularity and woven bone formation were determined. There were no treatment-related changes in vessel count or volume 3 days after loading, although fewer angiogenic (CD105 positive) blood vessels were present in treated limbs compared to vehicle treated limbs. This result manifested on day 7 as a reduction in total vascularity, as measured by histology (vessel count) and microCT (vessel volume). Similar to the first experiment, treated limbs had diminished woven bone formation on day 7 compared to vehicle treated limbs. These results indicate that angiogenesis is required for stress fracture healing, and may have implications for inducing rapid repair of stress fractures.
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Affiliation(s)
- Ryan E. Tomlinson
- Department of Orthopaedic Surgery, Washington University in St. Louis, Saint Louis, MO, USA
- Department of Biomedical Engineering, Washington University in St. Louis, Saint Louis, MO, USA
| | - Jennifer A. McKenzie
- Department of Orthopaedic Surgery, Washington University in St. Louis, Saint Louis, MO, USA
| | - Anne H. Schmieder
- Department of Medicine, Division of Cardiology, Washington University in St. Louis, Saint Louis, MO, USA
| | - Gregory R. Wohl
- Department of Orthopaedic Surgery, Washington University in St. Louis, Saint Louis, MO, USA
| | - Gregory M. Lanza
- Department of Biomedical Engineering, Washington University in St. Louis, Saint Louis, MO, USA
- Department of Medicine, Division of Cardiology, Washington University in St. Louis, Saint Louis, MO, USA
| | - Matthew J. Silva
- Department of Orthopaedic Surgery, Washington University in St. Louis, Saint Louis, MO, USA
- Department of Biomedical Engineering, Washington University in St. Louis, Saint Louis, MO, USA
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Laschke M, Menger M. Anti-angiogenic treatment strategies for the therapy of endometriosis. Hum Reprod Update 2012; 18:682-702. [DOI: 10.1093/humupd/dms026] [Citation(s) in RCA: 100] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023] Open
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Wang Y, Li ZL, Bai J, Zhang LM, Wu X, Zhang L, Pei YH, Jing YK, Hua HM. 2,5-diketopiperazines from the marine-derived fungus Aspergillus fumigatus YK-7. Chem Biodivers 2012; 9:385-93. [PMID: 22344914 DOI: 10.1002/cbdv.201100061] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Five new diketopiperazines, prenylcyclotryprostatin B (1), 20-hydroxycyclotryprostatin B (2), 9-hydroxyfumitremorgin C (3), 6-hydroxytryprostatin B (4), and spirogliotoxin (5), were isolated from the marine-derived fungus Aspergillus fumigatus YK-7, along with nine known compounds, 6-14. Their structures were elucidated by spectroscopic methods, and their antiproliferative effects on human leukemic monocyte lymphoma U937 and human prostate cancer PC-3 cell lines were assessed in vitro. Compounds 10, 12, and 13 exhibited significant cell growth-inhibitory activities against U937 cell line, with the IC(50) values of 1.8, 0.2, and 0.5 μM, respectively.
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Affiliation(s)
- Yu Wang
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, PR China
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Sundberg TB, Darricarrere N, Cirone P, Li X, McDonald L, Mei X, Westlake CJ, Slusarski DC, Beynon RJ, Crews CM. Disruption of Wnt planar cell polarity signaling by aberrant accumulation of the MetAP-2 substrate Rab37. ACTA ACUST UNITED AC 2012; 18:1300-11. [PMID: 22035799 DOI: 10.1016/j.chembiol.2011.07.020] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2011] [Revised: 07/18/2011] [Accepted: 07/28/2011] [Indexed: 11/25/2022]
Abstract
Identification of methionine aminopeptidase-2 (MetAP-2) as the molecular target of the antiangiogenic compound TNP-470 has sparked interest in N-terminal Met excision's (NME) role in endothelial cell biology. In this regard, we recently demonstrated that MetAP-2 inhibition suppresses Wnt planar cell polarity (PCP) signaling and that endothelial cells depend on this pathway for normal function. Despite this advance, the substrate(s) whose activity is altered upon MetAP-2 inhibition, resulting in loss of Wnt PCP signaling, is not known. Here we identify the small G protein Rab37 as a MetAP-2-specific substrate that accumulates in the presence of TNP-470. A functional role for aberrant Rab37 accumulation in TNP-470's mode of action is demonstrated using a Rab37 point mutant that is resistant to NME, because expression of this mutant phenocopies the effects of MetAP-2 inhibition on Wnt PCP signaling-dependent processes.
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Affiliation(s)
- Thomas B Sundberg
- Department of Molecular, Cellular, and Developmental Biology, Yale University, New Haven, CT 06511, USA
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Li WW, Li VW, Hutnik M, Chiou AS. Tumor angiogenesis as a target for dietary cancer prevention. JOURNAL OF ONCOLOGY 2011; 2012:879623. [PMID: 21977033 PMCID: PMC3184418 DOI: 10.1155/2012/879623] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/17/2011] [Accepted: 07/04/2011] [Indexed: 12/31/2022]
Abstract
Between 2000 and 2050, the number of new cancer patients diagnosed annually is expected to double, with an accompanying increase in treatment costs of more than $80 billion over just the next decade. Efficacious strategies for cancer prevention will therefore be vital for improving patients' quality of life and reducing healthcare costs. Judah Folkman first proposed antiangiogenesis as a strategy for preventing dormant microtumors from progressing to invasive cancer. Although antiangiogenic drugs are now available for many advanced malignancies (colorectal, lung, breast, kidney, liver, brain, thyroid, neuroendocrine, multiple myeloma, myelodysplastic syndrome), cost and toxicity considerations preclude their broad use for cancer prevention. Potent antiangiogenic molecules have now been identified in dietary sources, suggesting that a rationally designed antiangiogenic diet could provide a safe, widely available, and novel strategy for preventing cancer. This paper presents the scientific, epidemiologic, and clinical evidence supporting the role of an antiangiogenic diet for cancer prevention.
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Affiliation(s)
- William W. Li
- The Angiogenesis Foundation, One Broadway, 14th Floor, Cambridge, MA 02142, USA
| | - Vincent W. Li
- The Angiogenesis Foundation, One Broadway, 14th Floor, Cambridge, MA 02142, USA
| | - Michelle Hutnik
- The Angiogenesis Foundation, One Broadway, 14th Floor, Cambridge, MA 02142, USA
| | - Albert S. Chiou
- The Angiogenesis Foundation, One Broadway, 14th Floor, Cambridge, MA 02142, USA
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Naganuma Y, Choijamts B, Shirota K, Nakajima K, Ogata S, Miyamoto S, Kawarabayashi T, Emoto M. Metronomic doxifluridine chemotherapy combined with the anti-angiogenic agent TNP-470 inhibits the growth of human uterine carcinosarcoma xenografts. Cancer Sci 2011; 102:1545-52. [DOI: 10.1111/j.1349-7006.2011.01998.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Laschke MW, Vorsterman van Oijen AE, Scheuer C, Menger MD. In vitro and in vivo evaluation of the anti-angiogenic actions of 4-hydroxybenzyl alcohol. Br J Pharmacol 2011; 163:835-44. [PMID: 21366552 PMCID: PMC3111685 DOI: 10.1111/j.1476-5381.2011.01292.x] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2010] [Revised: 12/21/2010] [Accepted: 01/15/2011] [Indexed: 11/28/2022] Open
Abstract
BACKGROUND AND PURPOSE 4-Hydroxybenzyl alcohol (HBA) is a phenolic plant compound, which has been shown to influence many cellular mechanisms. In the present study, we analysed in vitro and in vivo the anti-angiogenic actions of this pleiotropic agent. EXPERIMENTAL APPROACH Migration and protein expression of HBA- and vehicle-treated endothelial-like eEND2 cells was assessed by cell migration assay and Western blot analyses. HBA action on vascular sprouting was analysed in an aortic ring assay. In vivo anti-angiogenic actions of HBA were studied in the dorsal skinfold chamber model of endometriosis in mice. KEY RESULTS Western blot analyses demonstrated that HBA inhibited proliferation of eEND2 cells, as indicated by down-regulation of proliferating cell nuclear antigen expression, and reduced expression of vascular endothelial growth factor and matrix metalloproteinase 9. HBA suppressed the migration of eEND2 cells, accompanied by inhibition of actin filament reorganization, revealed by fluorescence staining of the cytoskeleton. In addition, HBA reduced vascular sprouting in the aortic ring assay. Finally, we found, in the dorsal skinfold chamber model in vivo using intravital fluorescence microscopy, that HBA inhibited the vascularization of developing endometriotic lesions, as indicated by a decreased functional capillary density of lesions in HBA-treated mice and a reduced lesion size, compared with control animals. CONCLUSIONS AND IMPLICATIONS HBA targets several angiogenic mechanisms and therefore represents a promising anti-angiogenic agent for the treatment of angiogenic diseases, such as endometriosis.
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Affiliation(s)
- M W Laschke
- Institute for Clinical & Experimental Surgery, University of Saarland, Homburg/Saar, Germany.
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Enhanced anti-tumor activity and safety profile of targeted nano-scaled HPMA copolymer-alendronate-TNP-470 conjugate in the treatment of bone malignances. Biomaterials 2011; 32:4450-63. [PMID: 21429572 DOI: 10.1016/j.biomaterials.2011.02.059] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2011] [Accepted: 02/27/2011] [Indexed: 11/22/2022]
Abstract
Bone neoplasms, such as osteosarcoma, exhibit a propensity for systemic metastases resulting in adverse clinical outcome. Traditional treatment consisting of aggressive chemotherapy combined with surgical resection, has been the mainstay of these malignances. Therefore, bone-targeted non-toxic therapies are required. We previously conjugated the aminobisphosphonate alendronate (ALN), and the potent anti-angiogenic agent TNP-470 with N-(2-hydroxypropyl)methacrylamide (HPMA) copolymer. HPMA copolymer-ALN-TNP-470 conjugate exhibited improved anti-angiogenic and anti-tumor activity compared with the combination of free ALN and TNP-470 when evaluated in a xenogeneic model of human osteosarcoma. The immune system has major effect on toxicology studies and on tumor progression. Therefore, in this manuscript we examined the safety and efficacy profiles of the conjugate using murine osteosarcoma syngeneic model. Toxicity and efficacy evaluation revealed superior anti-tumor activity and decreased organ-related toxicities of the conjugate compared with the combination of free ALN plus TNP-470. Finally, comparative anti-angiogenic activity and specificity studies, using surrogate biomarkers of circulating endothelial cells (CEC), highlighted the advantage of the conjugate over the free agents. The therapeutic platform described here may have clinical translational relevance for the treatment of bone-related angiogenesis-dependent malignances.
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Shim JS, Matsui Y, Bhat S, Nacev BA, Xu J, Bhang HEC, Dhara S, Han KC, Chong CR, Pomper MG, So A, Liu JO. Effect of nitroxoline on angiogenesis and growth of human bladder cancer. J Natl Cancer Inst 2010; 102:1855-73. [PMID: 21088277 DOI: 10.1093/jnci/djq457] [Citation(s) in RCA: 83] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Angiogenesis plays an important role in tumor growth and metastasis; therefore, inhibition of angiogenesis is a promising strategy for developing new anticancer drugs. Type 2 methionine aminopeptidase (MetAP2) protein is likely a molecular target of angiogenesis inhibitors. METHODS Nitroxoline, an antibiotic used to treat urinary tract infections, was identified from a high-throughput screen of a library of 175,000 compounds for MetAP2 inhibitors and from a parallel screen using the Johns Hopkins Drug Library to identify currently used clinical drugs that can also inhibit human umbilical vein endothelial cells (HUVEC) proliferation. To investigate the mechanism of action of nitroxoline, inhibition of MetAP2 activity and induction of senescence were assessed in HUVEC. To test the antiangiogenic activity of nitroxoline, endothelial tube formation in Matrigel and microvessel formation in Matrigel plugs in vivo were assessed. Antitumor efficacy of nitroxoline was evaluated in mouse models of human breast cancer xenograft (n = 10) and bladder cancer orthotopic xenograft (n = 11). Furthermore, the mechanism of action of nitroxoline was investigated in vivo. RESULTS Nitroxoline inhibited MetAP2 activity in vitro (half maximal inhibitory concentration [IC(50)] = 54.8 nM, 95% confidence interval [CI] = 22.6 to 132.8 nM) and HUVEC proliferation (IC(50) = 1.9 μM, 95% CI = 1.54 to 2.39 μM). Nitroxoline inhibited MetAP2 activity in HUVEC in a dose-dependent manner and induced premature senescence in a biphasic manner. Nitroxoline inhibited endothelial tube formation in Matrigel and reduced microvessel density in vivo. Mice (five per group) treated with nitroxoline showed a 60% reduction in tumor volume in breast cancer xenografts (tumor volume on day 30, vehicle vs nitroxoline, mean = 215.4 vs 86.5 mm(3), difference = 128.9 mm(3), 95% CI = 32.9 to 225.0 mm(3), P = .012) and statistically significantly inhibited growth of bladder cancer in an orthotopic mouse model (tumor bioluminescence intensities of vehicle [n = 5] vs nitroxoline [n = 6], P = .045). CONCLUSION Nitroxoline shows promise as a potential therapeutic antiangiogenic agent.
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Affiliation(s)
- Joong Sup Shim
- Department of Pharmacology and Molecular Sciences, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA
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Kotelnikova E, Yuryev A, Mazo I, Daraselia N. Computational approaches for drug repositioning and combination therapy design. J Bioinform Comput Biol 2010; 8:593-606. [PMID: 20556864 DOI: 10.1142/s0219720010004732] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2009] [Revised: 12/31/2009] [Accepted: 01/15/2010] [Indexed: 01/02/2023]
Abstract
Heterogeneous high-throughput biological data become readily available for various diseases. The amount of data points generated by such experiments does not allow manual integration of the information to design the most optimal therapy for a disease. We describe a novel computational workflow for designing therapy using Ariadne Genomics Pathway Studio software. We use publically available microarray experiments for glioblastoma and automatically constructed ResNet and ChemEffect databases to exemplify how to find potentially effective chemicals for glioblastoma--the disease yet without effective treatment. Our first approach involved construction of signaling pathway affected in glioblastoma using scientific literature and data available in ResNet database. Compounds known to affect multiple proteins in this pathway were found in ChemEffect database. Another approach involved analysis of differential expression in glioblastoma patients using Sub-Network Enrichment Analysis (SNEA). SNEA identified angiogenesis-related protein Cyr61 as the major positive regulator upstream of genes differentially expressed in glioblastoma. Using our findings, we then identified breast cancer drug Fulvestrant as a major inhibitor of glioblastoma pathway as well as Cyr61. This suggested Fulvestrant as a potential treatment against glioblastoma. We further show how to increase efficacy of glioblastoma treatment by finding optimal combinations of Fulvestrant with other drugs.
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Abstract
Angiogenesis has become an attractive target for drug therapy because of its key role in tumor growth. An extensive array of compounds is currently in preclinical development, with many now entering the clinic and/or achieving approval from the US Food and Drug Administration. Several regulatory and signaling molecules governing angiogenesis are of interest, including growth factors (eg, vascular endothelial growth factor, platelet-derived growth factor, fibroblast growth factor, and epidermal growth factor), receptor tyrosine kinases, and transcription factors such as hypoxia inducible factor, as well as molecules involved in mitogen-activated protein kinase (MAPK) and phosphoinositide 3-kinase (PI3K) signaling. Pharmacologic agents have been identified that target these pathways, yet for some agents (notably thalidomide), an understanding of the specific mechanisms of antitumor action has proved elusive. The following review describes key molecular mechanisms and novel therapies that are on the horizon for antiangiogenic tumor therapy.
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Affiliation(s)
| | - William D. Figg
- To whom correspondence should be addressed: 10 Center Drive, 9000 Rockville Pike, Building 10, Room 5A01, Bethesda, MD 20892 USA Phone: 301-402-3622 Fax: 301-402-8606
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