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Fang XL, Cao XP, Xiao J, Hu Y, Chen M, Raza HK, Wang HY, He X, Gu JF, Zhang KJ. Overview of role of survivin in cancer: expression, regulation, functions, and its potential as a therapeutic target. J Drug Target 2024; 32:223-240. [PMID: 38252514 DOI: 10.1080/1061186x.2024.2309563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 11/11/2023] [Indexed: 01/24/2024]
Abstract
Survivin holds significant importance as a member of the inhibitor of apoptosis protein (IAP) family due to its predominant expression in tumours rather than normal terminally differentiated adult tissues. The high expression level of survivin in tumours is closely linked to chemotherapy resistance, heightened tumour recurrence, and increased tumour aggressiveness and serves as a negative prognostic factor for cancer patients. Consequently, survivin has emerged as a promising therapeutic target for cancer treatment. In this review, we delve into the various biological characteristics of survivin in cancers and its pivotal role in maintaining immune system homeostasis. Additionally, we explore different therapeutic strategies aimed at targeting survivin.
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Affiliation(s)
- Xian-Long Fang
- Academician Expert Workstation of Fengxian District, Shanghai Yuansong Biotechnology Limited Company, Shanghai, China
| | - Xue-Ping Cao
- Academician Expert Workstation of Fengxian District, Shanghai Yuansong Biotechnology Limited Company, Shanghai, China
| | - Jun Xiao
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China
| | - Yun Hu
- Academician Expert Workstation of Fengxian District, Shanghai Yuansong Biotechnology Limited Company, Shanghai, China
| | - Mian Chen
- Academician Expert Workstation of Fengxian District, Shanghai Yuansong Biotechnology Limited Company, Shanghai, China
| | - Hafiz Khuram Raza
- Academician Expert Workstation of Fengxian District, Shanghai Yuansong Biotechnology Limited Company, Shanghai, China
| | - Huai-Yuan Wang
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, China
| | - Xu He
- Department of Stomatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Jin-Fa Gu
- Academician Expert Workstation of Fengxian District, Shanghai Yuansong Biotechnology Limited Company, Shanghai, China
| | - Kang-Jian Zhang
- Academician Expert Workstation of Fengxian District, Shanghai Yuansong Biotechnology Limited Company, Shanghai, China
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, China
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2
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Cui Q, Huang C, Liu JY, Zhang JT. Small Molecule Inhibitors Targeting the "Undruggable" Survivin: The Past, Present, and Future from a Medicinal Chemist's Perspective. J Med Chem 2023; 66:16515-16545. [PMID: 38092421 DOI: 10.1021/acs.jmedchem.3c01130] [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] [Indexed: 12/29/2023]
Abstract
Survivin, a homodimeric protein and a member of the IAP family, plays a vital function in cell survival and cycle progression by interacting with various proteins and complexes. Its expression is upregulated in cancers but not detectable in normal tissues. Thus, it has been regarded and validated as an ideal cancer target. However, survivin is "undruggable" due to its lack of enzymatic activities or active sites for small molecules to bind/inhibit. Academic and industrial laboratories have explored different strategies to overcome this hurdle over the past two decades, with some compounds advanced into clinical testing. These strategies include inhibiting survivin expression, its interaction with binding partners and homodimerization. Here, we provide comprehensive analyses of these strategies and perspective on different small molecule survivin inhibitors to help drug discovery targeting "undruggable" proteins in general and survivin specifically with a true survivin inhibitor that will prevail in the foreseeable future.
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Affiliation(s)
- Qingbin Cui
- Department of Cell and Cancer Biology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio 43614, United States
| | - Caoqinglong Huang
- Department of Cell and Cancer Biology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio 43614, United States
| | - Jing-Yuan Liu
- Department of Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio 43614, United States
| | - Jian-Ting Zhang
- Department of Cell and Cancer Biology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio 43614, United States
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3
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Kondapuram SK, Ramachandran HK, Arya H, Coumar MS. Targeting survivin for cancer therapy: Strategies, small molecule inhibitors and vaccine based therapeutics in development. Life Sci 2023; 335:122260. [PMID: 37963509 DOI: 10.1016/j.lfs.2023.122260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 11/07/2023] [Accepted: 11/07/2023] [Indexed: 11/16/2023]
Abstract
Survivin is a member of the family of inhibitors of apoptosis proteins (IAPs). It is involved in the normal mitotic process and acts as an anti-apoptotic molecule. While terminally differentiated normal tissues lack survivin, several human malignancies have significant protein levels. Resistance to chemotherapy and radiation in tumor cells is associated with survivin expression. Decreased tumor development, apoptosis, and increased sensitivity to chemotherapy and radiation are all effects of downregulating survivin expression or activity. As a prospective cancer treatment, small molecules targeting the transcription and translation of survivin and molecules that can directly bind with the survivin are being explored both in pre-clinical and clinics. Pre-clinical investigations have found and demonstrated the effectiveness of several small-molecule survivin inhibitors. Unfortunately, these inhibitors have also been shown to have off-target effects, which could limit their clinical utility. In addition to small molecules, several survivin peptide vaccines are currently under development. These vaccines are designed to elicit a cytotoxic T-cell response against survivin, which could lead to the destruction of tumor cells expressing survivin. Some survivin-based vaccines are advancing through Phase II clinical studies. Overall, survivin is a promising cancer drug target. However, challenges still need to be addressed before the survivin targeted therapies can be widely used in the clinics.
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Affiliation(s)
- Sree Karani Kondapuram
- Department of Bioinformatics, School of Life Sciences, Pondicherry University, Kalapet, Puducherry 605014, India
| | - Hema Kasthuri Ramachandran
- Department of Bioinformatics, School of Life Sciences, Pondicherry University, Kalapet, Puducherry 605014, India
| | - Hemant Arya
- Institute for Biochemistry and Pathobiochemistry, Department of Systems Biochemistry, Faculty of Medicine, Ruhr University Bochum, 44780 Bochum, Germany
| | - Mohane Selvaraj Coumar
- Department of Bioinformatics, School of Life Sciences, Pondicherry University, Kalapet, Puducherry 605014, India.
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Kimura K, Jackson TLB, Huang RCC. Interaction and Collaboration of SP1, HIF-1, and MYC in Regulating the Expression of Cancer-Related Genes to Further Enhance Anticancer Drug Development. Curr Issues Mol Biol 2023; 45:9262-9283. [PMID: 37998757 PMCID: PMC10670631 DOI: 10.3390/cimb45110580] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 11/09/2023] [Accepted: 11/11/2023] [Indexed: 11/25/2023] Open
Abstract
Specificity protein 1 (SP1), hypoxia-inducible factor 1 (HIF-1), and MYC are important transcription factors (TFs). SP1, a constitutively expressed housekeeping gene, regulates diverse yet distinct biological activities; MYC is a master regulator of all key cellular activities including cell metabolism and proliferation; and HIF-1, whose protein level is rapidly increased when the local tissue oxygen concentration decreases, functions as a mediator of hypoxic signals. Systems analyses of the regulatory networks in cancer have shown that SP1, HIF-1, and MYC belong to a group of TFs that function as master regulators of cancer. Therefore, the contributions of these TFs are crucial to the development of cancer. SP1, HIF-1, and MYC are often overexpressed in tumors, which indicates the importance of their roles in the development of cancer. Thus, proper manipulation of SP1, HIF-1, and MYC by appropriate agents could have a strong negative impact on cancer development. Under these circumstances, these TFs have naturally become major targets for anticancer drug development. Accordingly, there are currently many SP1 or HIF-1 inhibitors available; however, designing efficient MYC inhibitors has been extremely difficult. Studies have shown that SP1, HIF-1, and MYC modulate the expression of each other and collaborate to regulate the expression of numerous genes. In this review, we provide an overview of the interactions and collaborations of SP1, HIF1A, and MYC in the regulation of various cancer-related genes, and their potential implications in the development of anticancer therapy.
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Affiliation(s)
| | | | - Ru Chih C. Huang
- Department of Biology, Johns Hopkins University, 3400 N. Charles Street, Baltimore, MD 21218-2685, USA
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Liao J, Qing X, Deng G, Xiao Y, Fu Y, Han S, Li X, Gan Y, Li W. Gastrodin destabilizes survivin and overcomes pemetrexed resistance. Cell Signal 2023; 110:110851. [PMID: 37586466 DOI: 10.1016/j.cellsig.2023.110851] [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: 06/05/2023] [Revised: 08/01/2023] [Accepted: 08/13/2023] [Indexed: 08/18/2023]
Abstract
Survivin is a bifunctional protein that plays crucial roles in tumorigenesis. In the present study, we discovered that the natural product gastrodin suppressed the cell viability and colony formation of non-small cell lung cancer (NSCLC) cell lines A549, HCC827, and H460 in a dose-dependent manner. In addition, gastrodin enhanced the protein levels of cleaved-caspase 3 by activating the endogenous mitochondrial apoptosis pathway. Gastrodin inhibits protein kinase B (Akt)/WEE1/cyclin-dependent kinase 1 (CDK1) signaling to downregulate survivin Thr34 phosphorylation. Survivin Thr34 dephosphorylation caused by gastrodin interfered with the binding of ubiquitin-specific protease 19 (USP19), which eventually destabilized survivin. We revealed that the growth of NSCLC xenograft tumors was markedly suppressed by gastrodin in vivo. Furthermore, gastrodin overcomes pemetrexed resistance in vivo or in vitro. Our results suggest that gastrodin is a potential antitumor agent by reducing survivin in NSCLC.
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Affiliation(s)
- Jinzhuang Liao
- Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China; Cell Transplantation and Gene Therapy Institute, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Xiang Qing
- Department of Otolaryngology Head and Neck Surgery, The Third Xiangya Hospital of Central South University, Changsha, Hunan 410013, China
| | - Gaoyan Deng
- Department of Thoracic Surgery, Hunan Chest Hospital, Changsha, Hunan, China
| | - Yeqing Xiao
- Department of Ultrasonography, Hunan Chest Hospital, Changsha, Hunan, China
| | - Yaqian Fu
- Xiangya Nursing School, Central South University, Changsha, Hunan, China
| | - Shuangze Han
- Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China; Cell Transplantation and Gene Therapy Institute, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Xiaoying Li
- Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China; Cell Transplantation and Gene Therapy Institute, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Yu Gan
- Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China; Cell Transplantation and Gene Therapy Institute, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Wei Li
- Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China; Cell Transplantation and Gene Therapy Institute, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China.
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Kimura K, Chun JH, Lin YL, Liang YC, Jackson TLB, Huang RCC. Tetra-O-methyl-nordihydroguaiaretic acid inhibits energy metabolism and synergistically induces anticancer effects with temozolomide on LN229 glioblastoma tumors implanted in mice while preventing obesity in normal mice that consume high-fat diets. PLoS One 2023; 18:e0285536. [PMID: 37228120 DOI: 10.1371/journal.pone.0285536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 04/25/2023] [Indexed: 05/27/2023] Open
Abstract
Tetra-O-methyl-nordihydroguaiaretic acid (terameprocol; M4N), a global transcription inhibitor, in combination with a second anticancer drug induces strong tumoricidal activity and has the ability to suppress energy metabolism in cultured cancer cells. In this study, we showed that after continuous oral consumption of high-fat (HF) diets containing M4N, the M4N concentration in most of the organs in mice reached ~1 μM (the M4N concentration in intestines and fat pads was as high as 20-40 μM) and treatment with the combination of M4N with temozolomide (TMZ) suppressed glycolysis and the tricarboxylic acid cycle in LN229 human glioblastoma implanted in xenograft mice. Combination treatment of M4N with TMZ also reduced the levels of lactate dehydrogenase A (LDHA), a key enzyme for glycolysis; lactate, a product of LDHA-mediated enzymatic activity; nicotinamide phosphoribosyltransferase, a rate-limiting enzyme for nicotinamide adenine dinucleotide plus hydrogen (NADH)/NAD+ salvage pathway; and NAD+, a redox electron carrier essential for energy metabolism. It was also shown that M4N suppressed oxygen consumption in cultured LN229 cells, indicating that M4N inhibited oxidative phosphorylation. Treatment with M4N and TMZ also decreased the level of hypoxia-inducible factor 1A, a major regulator of LDHA, under hypoxic conditions. The ability of M4N to suppress energy metabolism resulted in induction of the stress-related proteins activating transcription factor 4 and cation transport regulator-like protein 1, and an increase in reactive oxygen species production. In addition, the combination treatment of M4N with TMZ reduced the levels of oncometabolites such as 2-hydroxyglutarate as well as the aforementioned lactate. M4N also induced methylidenesuccinic acid (itaconate), a macrophage-specific metabolite with anti-inflammatory activity, in tumor microenvironments. Meanwhile, the ability of M4N to suppress energy metabolism prevented obesity in mice consuming HF diets, indicating that M4N has beneficial effects on normal tissues. The dual ability of combination treatment with M4N to suppress both energy metabolism and oncometabolites shows that it is potentially an effective therapy for cancer.
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Affiliation(s)
- Kotohiko Kimura
- Department of Biology, Johns Hopkins University, Baltimore, Maryland, United States of America
| | - Jong Ho Chun
- Department of Biology, Johns Hopkins University, Baltimore, Maryland, United States of America
| | - Yu-Ling Lin
- Agricultural Biotechnology Research Center, Academia Sinica, Taipei, Taiwan, Republic of China
| | - Yu-Chuan Liang
- Agricultural Biotechnology Research Center, Academia Sinica, Taipei, Taiwan, Republic of China
| | - Tiffany L B Jackson
- Department of Biology, Johns Hopkins University, Baltimore, Maryland, United States of America
| | - Ru Chih C Huang
- Department of Biology, Johns Hopkins University, Baltimore, Maryland, United States of America
- Academician, Academia Sinica, Taipei, Taiwan, Republic of China
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7
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Survivin Small Molecules Inhibitors: Recent Advances and Challenges. Molecules 2023; 28:molecules28031376. [PMID: 36771042 PMCID: PMC9919791 DOI: 10.3390/molecules28031376] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/24/2023] [Accepted: 01/29/2023] [Indexed: 02/05/2023] Open
Abstract
Survivin, as a member of the inhibitor of apoptosis proteins (IAPs) family, acts as a suppressor of apoptosis and plays a central role in cell division. Survivin has been considered as an important cancer drug target because it is highly expressed in many types of human cancers, while it is effectively absent from terminally differentiated normal tissues. Moreover, survivin is involved in tumor cell resistance to chemotherapy and radiation. Preclinically, downregulation of survivin expression or function reduced tumor growth induced apoptosis and sensitized tumor cells to radiation and chemotherapy in different human tumor models. This review highlights the role of survivin in promoting cellular proliferation and inhibiting apoptosis and summarizes the recent advances in and challenges of developing small-molecule survivin inhibitors.
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Tong S, Xia M, Xu Y, Sun Q, Ye L, Cai J, Ye Z, Tian D. Identification and validation of a 17-gene signature to improve the survival prediction of gliomas. Front Immunol 2022; 13:1000396. [PMID: 36248799 PMCID: PMC9556650 DOI: 10.3389/fimmu.2022.1000396] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 09/08/2022] [Indexed: 11/23/2022] Open
Abstract
Gliomas are one of the most frequent types of nervous system tumours and have significant morbidity and mortality rates. As a result, it is critical to fully comprehend the molecular mechanism of glioma to predict prognosis and target gene therapy. The goal of this research was to discover the hub genes of glioma and investigate their prognostic and diagnostic usefulness. In this study, we collected mRNA expression profiles and clinical information from glioma patients in the TCGA, GTEx, GSE68848, and GSE4920 databases. WGCNA and differential expression analysis identified 170 DEGs in the collected datasets. GO and KEGG pathway analyses revealed that DEGs were mainly enriched in gliogenesis and extracellular matrix. LASSO was performed to construct prognostic signatures in the TCGA cohort, and 17 genes were used to build risk models and were validated in the CGGA database. The ROC curve confirmed the accuracy of the prognostic signature. Univariate and multivariate Cox regression analyses showed that all independent risk factors for glioma except gender. Next, we performed ssGSEA to demonstrate a high correlation between risk score and immunity. Subsequently, 7 hub genes were identified by the PPI network and found to have great drug targeting potential. Finally, RPL39, as one of the hub genes, was found to be closely related to the prognosis of glioma patients. Knockdown of RPL39 in vitro significantly inhibited the proliferation and migration of glioma cells, whereas overexpression of RPL39 had the opposite effect. And we found that knockdown of RPL39 inhibited the polarization and infiltration of M2 phenotype macrophages. In conclusion, our new prognosis-related model provides more potential therapeutic strategies for glioma patients.
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Affiliation(s)
- Shiao Tong
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Minqi Xia
- Department of Endocrinology & Metabolism, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yang Xu
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Qian Sun
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Liguo Ye
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Jiayang Cai
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhang Ye
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Daofeng Tian
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
- *Correspondence: Daofeng Tian,
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Peery R, Cui Q, Kyei-Baffour K, Josephraj S, Huang C, Dong Z, Dai M, Zhang JT, Liu JY. A novel survivin dimerization inhibitor without a labile hydrazone linker induces spontaneous apoptosis and synergizes with docetaxel in prostate cancer cells. Bioorg Med Chem 2022; 65:116761. [PMID: 35504208 PMCID: PMC9148172 DOI: 10.1016/j.bmc.2022.116761] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 04/10/2022] [Accepted: 04/18/2022] [Indexed: 12/16/2022]
Abstract
Survivin, a member of the inhibitor of apoptosis protein family, exists as a homodimer and is aberrantly upregulated in a wide spectrum of cancers. It was thought to be an ideal target due to its lack of expression in most adult normal tissues and importance in cancer cell survival. However, it has been challenging to target survivin due to its "undruggable" nature. We previously attempted to target its dimerization domain with a hypothesis that inhibiting survivin dimerization would promote its degradation in proteasome, which led to identification of a lead small-molecule inhibitor, LQZ-7F. LQZ-7F consists of a flat tetracyclic aromatic core with labile hydrazone linking a 1,2,5-oxadiazole moiety. In this study, we tested the hypothesis that LQZ-7F could be developed as a prodrug because the labile hydrazone linker could be hydrolyzed, releasing the tetracyclic aromatic core. To this end, we synthesized the tetracyclic aromatic core (LQZ-7F1) using reported procedure and tested LQZ-7F1 for its biological activities. Here we show that LQZ-7F1 has a significantly improved potency with submicromolar IC50's and induces spontaneous apoptosis in prostate cancer cells. It also more effectively inhibits survivin dimerization and induces survivin degradation in a proteasome-dependent manner than LQZ-7F. We also show that the combination of LQZ-7F1 and docetaxel have strong synergism in inhibiting prostate cancer cell survival. Together, we conclude that the hydrazone linker with the oxadiazole tail is dispensable for survivin inhibition and the survivin dimerization inhibitor, LQZ-7F, may be developed as a prodrug for prostate cancer treatment and to overcome docetaxel resistance.
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Affiliation(s)
- Robert Peery
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Qingbin Cui
- Department of Cell and Cancer Biology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States
| | - Kwaku Kyei-Baffour
- Department of Chemistry, Purdue University, West Lafayette, IN, United States
| | - Sophia Josephraj
- Department of Cell and Cancer Biology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States
| | - Caoqinglong Huang
- Department of Cell and Cancer Biology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States
| | - Zizheng Dong
- Department of Cell and Cancer Biology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States
| | - Mingji Dai
- Department of Chemistry, Purdue University, West Lafayette, IN, United States, Corresponding authors at: Department of Chemistry, Purdue University, 720 Clinic Drive, West Lafayette, IN 47907, United States (M. Dai). Department of Cell and Cancer Biology, University of Toledo College of Medicine and Life Sciences, 3000 Arlington Ave., Toledo, OH 43614, United States (J.-T. Zhang). Department of Medicine, University of Toledo College of Medicine and Life Sciences, 3000 Arlington Ave., Toledo, OH 43614, United States (J.-Y. Liu). (M. Dai), (J.-T. Zhang), (J.-Y. Liu)
| | - Jian-Ting Zhang
- Department of Cell and Cancer Biology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States, Corresponding authors at: Department of Chemistry, Purdue University, 720 Clinic Drive, West Lafayette, IN 47907, United States (M. Dai). Department of Cell and Cancer Biology, University of Toledo College of Medicine and Life Sciences, 3000 Arlington Ave., Toledo, OH 43614, United States (J.-T. Zhang). Department of Medicine, University of Toledo College of Medicine and Life Sciences, 3000 Arlington Ave., Toledo, OH 43614, United States (J.-Y. Liu). (M. Dai), (J.-T. Zhang), (J.-Y. Liu)
| | - Jing-Yuan Liu
- Department of Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States, Corresponding authors at: Department of Chemistry, Purdue University, 720 Clinic Drive, West Lafayette, IN 47907, United States (M. Dai). Department of Cell and Cancer Biology, University of Toledo College of Medicine and Life Sciences, 3000 Arlington Ave., Toledo, OH 43614, United States (J.-T. Zhang). Department of Medicine, University of Toledo College of Medicine and Life Sciences, 3000 Arlington Ave., Toledo, OH 43614, United States (J.-Y. Liu). (M. Dai), (J.-T. Zhang), (J.-Y. Liu)
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Tastan B, Arioz BI, Genc S. Targeting NLRP3 Inflammasome With Nrf2 Inducers in Central Nervous System Disorders. Front Immunol 2022; 13:865772. [PMID: 35418995 PMCID: PMC8995746 DOI: 10.3389/fimmu.2022.865772] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 03/04/2022] [Indexed: 12/15/2022] Open
Abstract
The NLRP3 inflammasome is an intracellular multiprotein complex that plays an essential role in the innate immune system by identifying and eliminating a plethora of endogenous and exogenous threats to the host. Upon activation of the NLRP3 complex, pro-inflammatory cytokines are processed and released. Furthermore, activation of the NLRP3 inflammasome complex can induce pyroptotic cell death, thereby propagating the inflammatory response. The aberrant activity and detrimental effects of NLRP3 inflammasome activation have been associated with cardiovascular, neurodegenerative, metabolic, and inflammatory diseases. Therefore, clinical strategies targeting the inhibition of the self-propelled NLRP3 inflammasome activation are required. The transcription factor Nrf2 regulates cellular stress response, controlling the redox equilibrium, metabolic programming, and inflammation. The Nrf2 pathway participates in anti-oxidative, cytoprotective, and anti-inflammatory activities. This prominent regulator, through pharmacologic activation, could provide a therapeutic strategy for the diseases to the etiology and pathogenesis of which NLRP3 inflammasome contributes. In this review, current knowledge on NLRP3 inflammasome activation and Nrf2 pathways is presented; the relationship between NLRP3 inflammasome signaling and Nrf2 pathway, as well as the pre/clinical use of Nrf2 activators against NLRP3 inflammasome activation in disorders of the central nervous system, are thoroughly described. Cumulative evidence points out therapeutic use of Nrf2 activators against NLRP3 inflammasome activation or diseases that NLRP3 inflammasome contributes to would be advantageous to prevent inflammatory conditions; however, the side effects of these molecules should be kept in mind before applying them to clinical practice.
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Affiliation(s)
- Bora Tastan
- Genc Laboratory, Izmir Biomedicine and Genome Center, Izmir, Turkey,Izmir International Biomedicine and Genome Institute, Dokuz Eylul University, Izmir, Turkey
| | - Burak I. Arioz
- Genc Laboratory, Izmir Biomedicine and Genome Center, Izmir, Turkey,Izmir International Biomedicine and Genome Institute, Dokuz Eylul University, Izmir, Turkey
| | - Sermin Genc
- Genc Laboratory, Izmir Biomedicine and Genome Center, Izmir, Turkey,Department of Neuroscience, Health Sciences Institute, Dokuz Eylul University, Izmir, Turkey,*Correspondence: Sermin Genc,
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11
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Anders NM, Romo CG, Hemingway A, Ahluwalia MS, Rudek MA. Quantitation of terameprocol in human plasma by liquid chromatography-tandem mass spectrometry. J Pharm Biomed Anal 2022; 209:114525. [PMID: 34906921 PMCID: PMC8742791 DOI: 10.1016/j.jpba.2021.114525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 12/02/2021] [Accepted: 12/05/2021] [Indexed: 02/07/2023]
Abstract
The global transcription inhibitor terameprocol is being evaluated clinically as an oral formulation to treat high-grade glioma. A sensitive, reliable method was developed to quantitate terameprocol using LC-MS/MS to perform detailed pharmacokinetic studies. Sample preparation involved protein precipitation using acetonitrile. Separation of terameprocol and the internal standard, Sorafenib-methyl-d3, was achieved with a Zorbax XDB C18 column (2.1 × 50 mm, 3.5 µm) and gradient elution over a 2-minute total analytical run time. A SCIEX 4500 or SCIEX 5500 triple quadrupole mass spectrometer operated in positive electrospray ionization mode was used for terameprocol detection. The assay range of 5-1000 ng/mL was demonstrated to be accurate (92.7-107.4%) and precise (CV ≤ 11.3%). A sample diluted 1:10 (v/v) was accurately quantitated. Terameprocol in plasma has been proven stable for at least 20 months when stored at -70 °C. The method was applied to the measurement of total plasma concentrations of terameprocol in a patient with a high-grade glioma receiving a 300 mg oral dose.
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Affiliation(s)
- Nicole M Anders
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins University, Baltimore, MD, USA; Department of Oncology, School of Medicine, Johns Hopkins University, 1650 Orleans Street, Baltimore, MD 21231, USA
| | - Carlos G Romo
- Department of Neurology, School of Medicine, Johns Hopkins University, 1650 Orleans Street, Baltimore, MD 21231, USA; Division of Clinical Pharmacology, Department of Medicine, School of Medicine, Johns Hopkins University, 1650 Orleans Street, Baltimore, MD 21231, USA
| | - Avelina Hemingway
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins University, Baltimore, MD, USA
| | - Manmeet S Ahluwalia
- Burkhardt Brain Tumor and Neuro-Oncology Center, Cleveland Clinic, Cleveland, OH 44195, USA; Department of Medical Oncology, Miami Cancer Institute, Baptist Health South Florida, Miami, FL 33176, USA
| | - Michelle A Rudek
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins University, Baltimore, MD, USA; Department of Oncology, School of Medicine, Johns Hopkins University, 1650 Orleans Street, Baltimore, MD 21231, USA; Division of Clinical Pharmacology, Department of Medicine, School of Medicine, Johns Hopkins University, 1650 Orleans Street, Baltimore, MD 21231, USA.
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12
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Synthesis and Validation of a Bioinspired Catechol-Functionalized Pt(IV) Prodrug for Preclinical Intranasal Glioblastoma Treatment. Cancers (Basel) 2022; 14:cancers14020410. [PMID: 35053575 PMCID: PMC8774041 DOI: 10.3390/cancers14020410] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 01/08/2022] [Accepted: 01/10/2022] [Indexed: 02/07/2023] Open
Abstract
Simple Summary Glioblastoma (GB) is a type of brain cancer with a poor prognosis and few improvements in its treatment. One of the greatest difficulties in GB therapy lies in the fact that most of the drugs with high anticancer potential do not reach the brain and exert high therapeutic activity while minimizing side effects. To overcome these limitations, we focused on a catechol-based Pt(IV) prodrug (able to reverse cisplatin in a cellular environment) with the intention of repurposing Pt-based drugs as GB chemotherapeutic agents. Our in vitro results have corroborated the therapeutic effect of the synthesized complexes as comparable to cisplatin, and in vivo studies have demonstrated the potential of nose-to-brain delivery of this Pt(IV) prodrug for GB treatment. Abstract Glioblastoma is the most malignant and frequently occurring type of brain tumors in adults. Its treatment has been greatly hampered by the difficulty to achieve effective therapeutic concentration in the tumor sites due to its location and the blood–brain barrier. Intranasal administration has emerged as an alternative for drug delivery into the brain though mucopenetration, and rapid mucociliary clearance still remains an issue to be solved before its implementation. To address these issues, based on the intriguing properties of proteins secreted by mussels, polyphenol and catechol functionalization has already been used to promote mucopenetration, intranasal delivery and transport across the blood–brain barrier. Thus, herein we report the synthesis and study of complex 1, a Pt(IV) prodrug functionalized with catecholic moieties. This complex considerably augmented solubility in contrast to cisplatin and showed a comparable cytotoxic effect on cisplatin in HeLa, 1Br3G and GL261 cells. Furthermore, preclinical in vivo therapy using the intranasal administration route suggested that it can reach the brain and inhibit the growth of orthotopic GL261 glioblastoma. These results open new opportunities for catechol-bearing anticancer prodrugs in the treatment for brain tumors via intranasal administration.
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13
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Ning S, Zheng L, Bai Y, Wang S, Wang S, Shi L, Gao Q, Che X, Zhang Z, Xiang J. Highly selective electroreductive linear dimerization of electron-deficient vinylarenes. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132535] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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14
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The Polyphenols α-Mangostin and Nordihydroguaiaretic Acid Induce Oxidative Stress, Cell Cycle Arrest, and Apoptosis in a Cellular Model of Medulloblastoma. Molecules 2021; 26:molecules26237230. [PMID: 34885809 PMCID: PMC8659270 DOI: 10.3390/molecules26237230] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/18/2021] [Accepted: 11/24/2021] [Indexed: 11/17/2022] Open
Abstract
Medulloblastoma is a common malignant brain tumor in the pediatric age. The current therapeutics present serious collateral effects. Polyphenols α-mangostin and nordihydroguaiaretic acid (NDGA) exert potent antitumoral activity in different cancer models, although their antitumoral effects have not been described in medulloblastoma cells yet. This study aimed to examine the proapoptotic effects of these polyphenols on human medulloblastoma cells. Medulloblastoma cell line Daoy was incubated with increasing concentrations of α-mangostin or NDGA for 24 h. The cell viability was analyzed using crystal violet and trypan blue dyes. Determination of the glutathione (GSH)/glutathione disulfide (GSSG) ratio and levels of carbonylated proteins was performed to evaluate the oxidative stress. Cell cycle progression and induction of cell death by fluorochrome-couple and TUNEL assays were evaluated using flow cytometry assays. Individual treatments with α-mangostin or NDGA decreased the viability of Daoy cells in a dose-dependent manner, inducing G2/M and S-G2/M cell cycle arrest, respectively. Both polyphenols induced cell death and increased oxidative stress. Very interestingly, α-mangostin showed more potent effects than NDGA. Our results indicate that α-mangostin and NDGA exert important cytostatic and cytotoxic effects in the Daoy cell line. These data highlight the potential usefulness of these compounds as an alternative strategy in medulloblastoma treatment.
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15
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Bhurta D, Bharate SB. Analyzing the scaffold diversity of cyclin-dependent kinase inhibitors and revisiting the clinical and preclinical pipeline. Med Res Rev 2021; 42:654-709. [PMID: 34605036 DOI: 10.1002/med.21856] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 07/04/2021] [Accepted: 09/21/2021] [Indexed: 12/17/2022]
Abstract
Kinases have gained an important place in the list of vital therapeutic targets because of their overwhelming clinical success in the last two decades. Among various clinically validated kinases, the cyclin-dependent kinases (CDK) are one of the extensively studied drug targets for clinical development. Food and Drug Administration has approved three CDK inhibitors for therapeutic use, and at least 27 inhibitors are under active clinical development. In the last decade, research and development in this area took a rapid pace, and thus the analysis of scaffold diversity is essential for future drug design. Available reviews lack the systematic study and discussion on the scaffold diversity of CDK inhibitors. Herein we have reviewed and critically analyzed the chemical diversity present in the preclinical and clinical pipeline of CDK inhibitors. Our analysis has shown that although several scaffolds represent CDK inhibitors, only the amino-pyrimidine is a well-represented scaffold. The three-nitrogen framework of amino-pyrimidine is a fundamental hinge-binding unit. Further, we have discussed the selectivity aspects among CDKs, the clinical trial dose-limiting toxicities, and highlighted the most advanced clinical candidates. We also discuss the changing paradigm towards selective inhibitors and an overview of ATP-binding pockets of all druggable CDKs. We carefully analyzed the clinical pipeline to unravel the candidates that are currently under active clinical development. In addition to the plenty of dual CDK4/6 inhibitors, there are many selective CDK7, CDK9, and CDK8/19 inhibitors in the clinical pipeline.
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Affiliation(s)
- Deendyal Bhurta
- Natural Products & Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Jammu, India.,Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, India
| | - Sandip B Bharate
- Natural Products & Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Jammu, India.,Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, India
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16
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Molecular Engineering of Curcumin, an Active Constituent of Curcuma longa L. (Turmeric) of the Family Zingiberaceae with Improved Antiproliferative Activity. PLANTS 2021; 10:plants10081559. [PMID: 34451604 PMCID: PMC8398451 DOI: 10.3390/plants10081559] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 07/24/2021] [Accepted: 07/26/2021] [Indexed: 11/26/2022]
Abstract
Cancer is the world’s second leading cause of death, accounting for nearly 10 million deaths and 19.3 million new cases in 2020. Curcumin analogs are gaining popularity as anticancer agents currently. We reported herein the isolation, molecular engineering, molecular docking, antiproliferative, and anti-epidermal growth factor receptor (anti-EGFR) activities of curcumin analogs. Three curcumin analogs were prepared and docked against the epidermal growth factor receptor (EGFR), revealing efficient binding. Antiproliferative activity against 60 NCI cancer cell lines was assessed using National Cancer Institute (NCI US) protocols. The compound 3b,c demonstrated promising antiproliferative activity in single dose (at 10 µM) as well as five dose (0.01, 0.10, 1.00, 10, and 100 µM). Compound 3c inhibited leukemia cancer panel better than other cancer panels with growth inhibition of 50% (GI50) values ranging from 1.48 to 2.73 µM, and the most promising inhibition with GI50 of 1.25 µM was observed against leukemia cell line SR, while the least inhibition was found against non-small lung cancer cell line NCI-H226 with GI50 value of 7.29 µM. Compounds 3b,c demonstrated superior antiproliferative activity than curcumin and gefitinib. In molecular docking, compound 3c had the most significant interaction with four H-bonds and three π–π stacking, and compound 3c was found to moderately inhibit EGFR. The curcumin analogs discovered in this study have the potential to accelerate the anticancer drug discovery program.
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17
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Goel B, Tripathi N, Bhardwaj N, Jain SK. Small Molecule CDK Inhibitors for the Therapeutic Management of Cancer. Curr Top Med Chem 2021; 20:1535-1563. [PMID: 32416692 DOI: 10.2174/1568026620666200516152756] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 04/14/2020] [Accepted: 04/17/2020] [Indexed: 01/03/2023]
Abstract
Cyclin-dependent kinases (CDKs) are a group of multifunctional enzymes consisting of catalytic and regulatory subunits. The regulatory subunit, cyclin, remains dissociated under normal circumstances, and complexation of cyclin with the catalytic subunit of CDK leads to its activation for phosphorylation of protein substrates. The primary role of CDKs is in the regulation of the cell cycle. Retinoblastoma protein (Rb) is one of the widely investigated tumor suppressor protein substrates of CDK, which prevents cells from entering into cell-cycle under normal conditions. Phosphorylation of Rb by CDKs causes its inactivation and ultimately allows cells to enter a new cell cycle. Many cancers are associated with hyperactivation of CDKs as a result of mutation of the CDK genes or CDK inhibitor genes. Therefore, CDK modulators are of great interest to explore as novel therapeutic agents against cancer and led to the discovery of several CDK inhibitors to clinics. This review focuses on the current progress and development of anti-cancer CDK inhibitors from preclinical to clinical and synthetic to natural small molecules.
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Affiliation(s)
- Bharat Goel
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi-221005, India
| | - Nancy Tripathi
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi-221005, India
| | - Nivedita Bhardwaj
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi-221005, India
| | - Shreyans K Jain
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi-221005, India
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18
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Chen Q, Zhu M, Xie J, Dong Z, Khushafah F, Yun D, Fu W, Wang L, Wei T, Liu Z, Qiu P, Wu J, Li W. Design and Synthesis of Novel Nordihydroguaiaretic Acid (NDGA) Analogues as Potential FGFR1 Kinase Inhibitors With Anti-Gastric Activity and Chemosensitizing Effect. Front Pharmacol 2020; 11:518068. [PMID: 33041789 PMCID: PMC7517944 DOI: 10.3389/fphar.2020.518068] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Accepted: 08/13/2020] [Indexed: 12/31/2022] Open
Abstract
Aberrant fibroblast growth factor receptor-1 (FGFR1), a key driver promoting gastric cancer (GC) progression and chemo-resistance, has been increasingly recognized as a potential therapeutic target in GC. Hereon, we designed and synthesized a series of asymmetric analogues using Af23 and NDGA as lead compounds by retaining the basic structural framework (bisaryl-1,4-dien-3-one) and the unilateral active functional groups (3,4-dihydroxyl). Thereinto, Y14 showed considerable inhibitory activity against FGFR1. Next, pharmacological experiments showed that Y14 could significantly inhibit the phosphorylation of FGFR1 and its downstream kinase AKT and ERK, thus inhibiting the growth, survival, and migration of gastric cancer cells. Furthermore, compared with 5-FU treatment alone, the combination of Y14 and 5-FU significantly reduced the phosphorylation level of FGFR1, and enhanced the anti-cancer effect by inhibiting the viability and colony formation in two gastric cancer cell lines. These results confirmed that Y14 exerted anti-gastric activity and chemosensitizing effect by inhibiting FGFR1 phosphorylation and its downstream signaling pathway in vitro. This work also provides evidence that Y14, an effective FGFR1 inhibitor, could be used alone or in combination with chemotherapy to treat gastric cancer in the future.
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Affiliation(s)
- Qian Chen
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.,Chemical Biology Research Center, College of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Min Zhu
- Chemical Biology Research Center, College of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Jingwen Xie
- Chemical Biology Research Center, College of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Zhaojun Dong
- Chemical Biology Research Center, College of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Fatehi Khushafah
- Chemical Biology Research Center, College of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Di Yun
- Chemical Biology Research Center, College of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Weitao Fu
- Chemical Biology Research Center, College of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Ledan Wang
- Department of Gynecology and Obstetrics, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Tao Wei
- Chemical Biology Research Center, College of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Zhiguo Liu
- Chemical Biology Research Center, College of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Peihong Qiu
- Chemical Biology Research Center, College of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Jianzhang Wu
- Chemical Biology Research Center, College of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Wulan Li
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.,Chemical Biology Research Center, College of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
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19
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Peery R, Kyei-Baffour K, Dong Z, Liu J, de Andrade Horn P, Dai M, Liu JY, Zhang JT. Synthesis and Identification of a Novel Lead Targeting Survivin Dimerization for Proteasome-Dependent Degradation. J Med Chem 2020; 63:7243-7251. [PMID: 32421328 DOI: 10.1021/acs.jmedchem.0c00475] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Survivin, a homodimeric member of the Inhibitor of Apoptosis Protein (IAP) family, is required for cancer cell survival and overexpressed in almost all solid tumors. However, targeting survivin has been challenging due to its "undruggable" nature. Recently, we used a novel approach to target the dimerization interface and identified inhibitors of two scaffolds that can directly bind to and inhibit survivin dimerization. One of the scaffolds, represented by the compound LQZ-7, contains an undesirable labile hydrazone linker and a potentially nonfunctional furazanopyrazine ring that we attempted to eliminate in this study. We found one compound, 7I, that is more active than the parent compound, LQZ-7, and when given orally effectively inhibits xenograft tumor growth and induces survivin loss in tumors. These findings indicate that 7I with a stable linker and a quinoxaline ring can be used as a lead for further optimization of this novel class of survivin inhibitors.
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Affiliation(s)
- Robert Peery
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
| | - Kwaku Kyei-Baffour
- Department of Chemistry and Center for Cancer Research, Purdue University, West Lafayette, Indiana 47907, United States
| | - Zizheng Dong
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States.,Department of Cancer Biology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio 43614, United States
| | - Jianguo Liu
- Department of Cancer Biology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio 43614, United States
| | - Pedro de Andrade Horn
- Department of Chemistry and Center for Cancer Research, Purdue University, West Lafayette, Indiana 47907, United States
| | - Mingji Dai
- Department of Chemistry and Center for Cancer Research, Purdue University, West Lafayette, Indiana 47907, United States
| | - Jing-Yuan Liu
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States.,Department of Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio 43614, United States
| | - Jian-Ting Zhang
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States.,Department of Cancer Biology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio 43614, United States
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20
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Hanif A, Lee S, Gupta M, Chander A, Kannisto ED, Punnanitinont A, Fenstermaker R, Ciesielski M, Attwood K, Qiu J, Yendamuri S, Iyer R. Exploring the role of survivin in neuroendocrine neoplasms. Oncotarget 2020; 11:2246-2258. [PMID: 32577168 PMCID: PMC7289533 DOI: 10.18632/oncotarget.27631] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Accepted: 05/14/2020] [Indexed: 12/21/2022] Open
Abstract
Neuroendocrine tumors (NETs) are a heterogenous group of tumors. While most NETs have excellent prognosis, certain subsets have aggressive biology and have limited treatment options. We explored the role of survivin in NET as a prognostic and potentially therapeutic marker. Tissue microarrays of 132 patients were stained for survivin using immunohistochemistry (IHC) and correlated with outcomes. Using genomic database, we then correlated survivin (BIRC5) mRNA expression with radiosensitivity index (RSI) in 52 samples of NET. Finally, we studied the effect of radiation on survivin expression in human cell lines and the impact of knock-down of BIRC5 on cell proliferation and radiation sensitivity. We found that survivin positivity by IHC correlated with a shorter survival (overall survival 8.5 years vs. 18.3 years, p < 0.001). There was a positive correlation between BIRC5 expression and RSI (r = 0.234, p < 0.0001). Radiation exposure increased BIRC5 gene expression in a human carcinoid cell line. Knockout of BIRC5 using siRNA reduced proliferation of neuroendocrine cells but did not increase radiation sensitivity. We conclude that survivin expression in NET correlates with an inferior survival and survivin expression in human carcinoid cell lines increases after exposure to ionizing radiation.
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Affiliation(s)
- Ahmad Hanif
- Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Sunyoung Lee
- Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Medhavi Gupta
- Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Ankush Chander
- Department of Pathology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Eric D Kannisto
- Department of Biostatistics and Bioinformatics, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Achamaporn Punnanitinont
- Department of Thoracic Surgery, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Robert Fenstermaker
- Department of Neurosurgery, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Michael Ciesielski
- Department of Neurosurgery, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Kristopher Attwood
- Department of Biostatistics and Bioinformatics, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Jingxin Qiu
- Department of Pathology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Sai Yendamuri
- Department of Thoracic Surgery, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Renuka Iyer
- Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
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21
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Manda G, Rojo AI, Martínez-Klimova E, Pedraza-Chaverri J, Cuadrado A. Nordihydroguaiaretic Acid: From Herbal Medicine to Clinical Development for Cancer and Chronic Diseases. Front Pharmacol 2020; 11:151. [PMID: 32184727 PMCID: PMC7058590 DOI: 10.3389/fphar.2020.00151] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Accepted: 02/05/2020] [Indexed: 12/11/2022] Open
Abstract
Nordihydroguaiaretic acid (NDGA) is a phenolic lignan obtained from Larrea tridentata, the creosote bush found in Mexico and USA deserts, that has been used in traditional medicine for the treatment of numerous diseases such as cancer, renal, cardiovascular, immunological, and neurological disorders, and even aging. NDGA presents two catechol rings that confer a very potent antioxidant activity by scavenging oxygen free radicals and this may explain part of its therapeutic action. Additional effects include inhibition of lipoxygenases (LOXs) and activation of signaling pathways that impinge on the transcription factor Nuclear Factor Erythroid 2-related Factor (NRF2). On the other hand, the oxidation of the catechols to the corresponding quinones my elicit alterations in proteins and DNA that raise safety concerns. This review describes the current knowledge on NDGA, its targets and side effects, and its synthetic analogs as promising therapeutic agents, highlighting their mechanism of action and clinical projection towards therapy of neurodegenerative, liver, and kidney disease, as well as cancer.
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Affiliation(s)
- Gina Manda
- Department Cellular and Molecular Medicine, Victor Babes National Institute of Pathology, Bucharest, Romania
| | - Ana I Rojo
- Department of Biochemistry, Faculty of Medicine, Autonomous University of Madrid, Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Instituto de Investigación Sanitaria la Paz (idiPAZ), Instituto de Investigaciones Biomédicas "Alberto Sols" UAM-CSIC, Madrid, Spain
| | - Elena Martínez-Klimova
- Department of Biology, Faculty of Chemistry, National Autonomous University of Mexico (UNAM), Mexico City, Mexico
| | - José Pedraza-Chaverri
- Department of Biology, Faculty of Chemistry, National Autonomous University of Mexico (UNAM), Mexico City, Mexico
| | - Antonio Cuadrado
- Department Cellular and Molecular Medicine, Victor Babes National Institute of Pathology, Bucharest, Romania.,Department of Biochemistry, Faculty of Medicine, Autonomous University of Madrid, Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Instituto de Investigación Sanitaria la Paz (idiPAZ), Instituto de Investigaciones Biomédicas "Alberto Sols" UAM-CSIC, Madrid, Spain
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22
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Agarwal G, Carcache PJB, Addo EM, Kinghorn AD. Current status and contemporary approaches to the discovery of antitumor agents from higher plants. Biotechnol Adv 2020; 38:107337. [PMID: 30633954 PMCID: PMC6614024 DOI: 10.1016/j.biotechadv.2019.01.004] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 01/03/2019] [Accepted: 01/07/2019] [Indexed: 12/13/2022]
Abstract
Higher plant constituents have afforded clinically available anticancer drugs. These include both chemically unmodified small molecules and their synthetic derivatives currently used or those in clinical trials as antineoplastic agents, and an updated summary is provided. In addition, botanical dietary supplements, exemplified by mangosteen and noni constituents, are also covered as potential cancer chemotherapeutic agents. Approaches to metabolite purification, rapid dereplication, and biological evaluation including analytical hyphenated techniques, molecular networking, and advanced cellular and animal models are discussed. Further, enhanced and targeted drug delivery systems for phytochemicals, including micelles, nanoparticles and antibody drug conjugates (ADCs) are described herein.
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Affiliation(s)
- Garima Agarwal
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43210, United States
| | - Peter J Blanco Carcache
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43210, United States
| | - Ermias Mekuria Addo
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43210, United States
| | - A Douglas Kinghorn
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43210, United States.
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23
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Cyclin-dependent kinase 1 and survivin as potential therapeutic targets against nasal natural killer/T-cell lymphoma. J Transl Med 2019; 99:612-624. [PMID: 30664711 DOI: 10.1038/s41374-018-0182-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 11/13/2018] [Accepted: 11/17/2018] [Indexed: 01/30/2023] Open
Abstract
Nasal natural killer/T-cell lymphoma (NNKTL) is closely associated with Epstein-Barr virus (EBV) and is characterized by poor prognosis, resulting from rapid progression of lesions in the affected organs. Recent data have shown that NNKTL is associated with the aberrant expression of cyclin-dependent kinase 1 (CDK1) and its downstream target survivin, but little is known about the functional roles of CDK1 and survivin in NNKTL. In the current study, we show that knockdown of the EBV-encoded oncoprotein latent membrane protein 1 (LMP1) induces downregulation of CDK1 and survivin in NNKTL cells. Immunohistochemistry detected CDK1 and survivin expression in LMP1-positive cells of NNKTL biopsy specimens. Inhibition of CDK1 and survivin in NNKTL cells with several inhibitors led to a dose-dependent decrease in cell proliferation. In addition, the Sp1 inhibitor mithramycin, which can downregulate both CDK1 and survivin, significantly suppressed the growth of established NNKTL in a murine xenograft model. Our results suggest that LMP1 upregulation of CDK1 and survivin may be essential for NNKTL progression. Furthermore, targeting CDK1 and survivin with Sp1 inhibitors such as mithramycin may be an effective approach to treat NNKTL, which is considered to be a treatment-refractory lymphoma.
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24
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The combination of everolimus and terameprocol exerts synergistic antiproliferative effects in endometrial cancer: molecular role of insulin-like growth factor binding protein 2. J Mol Med (Berl) 2018; 96:1251-1266. [PMID: 30298385 DOI: 10.1007/s00109-018-1699-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Revised: 09/07/2018] [Accepted: 09/26/2018] [Indexed: 01/09/2023]
Abstract
Oncogenic PIK3CA mutations are common in endometrial cancers, and the PI3K/AKT/mTOR pathway is targetable by drugs. We sought to investigate whether the combination of an mTOR inhibitor, everolimus (RAD001), and an AKT inhibitor, terameprocol (M4N), exerts better antiproliferative effects in endometrial cancer. The molecular mechanisms underlying their pharmacological action were also examined. The combination of RAD001 and M4N exerted in vitro synergistic effects on cell viability, apoptosis, and expression of IGFBP2 in endometrial cancer cells. Mechanistically, the Sp1 site on the IGFBP2 promoter was required for RAD001- and M4N-induced downregulation. IGFBP2 protein expression was higher in endometrial cancer than in the normal endometrium (P < 0.001). Furthermore, elevated IGFBP2 histoscores were significantly associated with a lower overall survival (P = 0.021). In conclusion, our in vitro results demonstrate that RAD001 and M4N exert synergistic antiproliferative effects against endometrial cancer cells, which appeared to be mediated by the inhibition of IGFBP2, a key anti-apoptotic regulator. Further clinical studies of this drug combination in patients with endometrial cancer may be warranted, especially in the presence of PIK3CA and IGFBP2 aberrations. KEY MESSAGES: RAD001 and M4N synergistically suppress endometrial cancer growth. IGFBP2 is overexpressed in endometrial cancer. The combination of RAD001 and M4N significantly reduces IGFBP2 overexpression. Sp1 binding site on the IGFBP2 promoter is required for RAD001- and M4N-induced downregulation. High IGFBP2 histoscore in endometrial cancer portends a poor prognosis.
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Abstract
Inhibitor of apoptosis (IAP) family comprises a group of endogenous proteins that function as main regulators of caspase activity and cell death. They are considered the main culprits in evasion of apoptosis, which is a fundamental hallmark of carcinogenesis. Overexpression of IAP proteins has been documented in various solid and hematological malignancies, rendering them resistant to standard chemotherapeutics and radiation therapy and conferring poor prognosis. This observation has urged their exploitation as therapeutic targets in cancer with promising pre-clinical outcomes. This review describes the structural and functional features of IAP proteins to elucidate the mechanism of their anti-apoptotic activity. We also provide an update on patterns of IAP expression in different tumors, their impact on treatment response and prognosis, as well as the emerging investigational drugs targeting them. This aims at shedding the light on the advances in IAP targeting achieved to date, and encourage further development of clinically applicable therapeutic approaches.
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Affiliation(s)
- Mervat S Mohamed
- Department of Biochemistry, Faculty of Science, University of Tabuk, Tabuk, Kingdom of Saudi Arabia.
- Department of Chemistry, Biochemistry Speciality, Faculty of Science, Cairo University, Giza, Egypt.
- , Tabuk, Kingdom of Saudi Arabia.
| | - Mai K Bishr
- Department of Radiotherapy, Children's Cancer Hospital Egypt (CCHE), Cairo, Egypt
| | - Fahad M Almutairi
- Department of Biochemistry, Faculty of Science, University of Tabuk, Tabuk, Kingdom of Saudi Arabia
| | - Ayat G Ali
- Department of Biochemistry, El Sahel Teaching Hospital, Cairo, Egypt
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Castro-Gamero AM, Pezuk JA, Brassesco MS, Tone LG. G2/M inhibitors as pharmacotherapeutic opportunities for glioblastoma: the old, the new, and the future. Cancer Biol Med 2018; 15:354-374. [PMID: 30766748 PMCID: PMC6372908 DOI: 10.20892/j.issn.2095-3941.2018.0030] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Glioblastoma (GBM) is one of the deadliest tumors and has a median survival of 3 months if left untreated. Despite advances in rationally targeted pharmacological approaches, the clinical care of GBM remains palliative in intent. Since the majority of altered signaling cascades involved in cancer establishment and progression eventually affect cell cycle progression, an alternative approach for cancer therapy is to develop innovative compounds that block the activity of crucial molecules needed by tumor cells to complete cell division. In this context, we review promising ongoing and future strategies for GBM therapeutics aimed towards G2/M inhibition such as anti-microtubule agents and targeted therapy against G2/M regulators like cyclin-dependent kinases, Aurora inhibitors, PLK1, BUB, 1, and BUBR1, and survivin. Moreover, we also include investigational agents in the preclinical and early clinical settings. Although several drugs were shown to be gliotoxic, most of them have not yet entered therapeutic trials. The use of either single exposure or a combination with novel compounds may lead to treatment alternatives for GBM patients in the near future.
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Affiliation(s)
- Angel Mauricio Castro-Gamero
- Human Genetics Laboratory, Institute of Natural Sciences, Federal University of Alfenas (UNIFAL-MG), Alfenas 37130-001, Brazil
| | - Julia Alejandra Pezuk
- Biotechnology and Innovation in Health Program and Pharmacy Program, Anhanguera University São Paulo (UNIAN-SP), São Paulo 05145-200, Brazil
| | - María Sol Brassesco
- Department of Biology, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-901, Brazil
| | - Luiz Gonzaga Tone
- Department of Pediatrics.,Department of Genetics, Ribeirão Preto School of Medicine, University of São Paulo, Ribeirão Preto 14049-900, Brazil
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Mazur J, Roy K, Kanwar JR. Recent advances in nanomedicine and survivin targeting in brain cancers. Nanomedicine (Lond) 2017; 13:105-137. [PMID: 29161215 DOI: 10.2217/nnm-2017-0286] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Brain cancer is a highly lethal disease, especially devastating toward both the elderly and children. This cancer has no therapeutics available to combat it, predominately due to the blood-brain barrier (BBB) preventing treatments from maintaining therapeutic levels within the brain. Recently, nanoparticle technology has entered the forefront of cancer therapy due to its ability to deliver therapeutic effects while potentially passing physiological barriers. Key nanoparticles for brain cancer treatment include glutathione targeted PEGylated liposomes, gold nanoparticles, superparamagnetic iron oxide nanoparticles and nanoparticle-albumin bound drugs, with these being discussed throughout this review. Recently, the survivin protein has gained attention as it is over-expressed in a majority of tumors. This review will briefly discuss the properties of survivin, while focusing on how both nanoparticles and survivin-targeting treatments hold potential as brain cancer therapies. This review may provide useful insight into new brain cancer treatment options, particularly survivin inhibition and nanomedicine.
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Affiliation(s)
- Jake Mazur
- Nanomedicine-Laboratory of Immunology & Molecular Biomedical Research, Centre for Molecular and Medical Research (CMMR), School of Medicine, Faculty of Health, Deakin University, Waurn Ponds, Geelong VIC 3217, Australia
| | - Kislay Roy
- Nanomedicine-Laboratory of Immunology & Molecular Biomedical Research, Centre for Molecular and Medical Research (CMMR), School of Medicine, Faculty of Health, Deakin University, Waurn Ponds, Geelong VIC 3217, Australia
| | - Jagat R Kanwar
- Nanomedicine-Laboratory of Immunology & Molecular Biomedical Research, Centre for Molecular and Medical Research (CMMR), School of Medicine, Faculty of Health, Deakin University, Waurn Ponds, Geelong VIC 3217, Australia
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Laughlin-Toth S, Carter EK, Ivanov I, Wilson WD. DNA microstructure influences selective binding of small molecules designed to target mixed-site DNA sequences. Nucleic Acids Res 2017; 45:1297-1306. [PMID: 28180310 PMCID: PMC5388402 DOI: 10.1093/nar/gkw1232] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Revised: 11/18/2016] [Accepted: 11/23/2016] [Indexed: 12/18/2022] Open
Abstract
Specific targeting of protein–nucleic acid interactions is an area of current interest, for example, in the regulation of gene-expression. Most transcription factor proteins bind in the DNA major groove; however, we are interested in an approach using small molecules to target the minor groove to control expression by an allosteric mechanism. In an effort to broaden sequence recognition of DNA-targeted-small-molecules to include both A·T and G·C base pairs, we recently discovered that the heterocyclic diamidine, DB2277, forms a strong monomer complex with a DNA sequence containing 5΄-AAAGTTT-3΄. Competition mass spectrometry and surface plasmon resonance identified new monomer complexes, as well as unexpected binding of two DB2277 with certain sequences. Inherent microstructural differences within the experimental DNAs were identified through computational analyses to understand the molecular basis for recognition. These findings emphasize the critical nature of the DNA minor groove microstructure for sequence-specific recognition and offer new avenues to design synthetic small molecules for effective regulation of gene-expression.
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Affiliation(s)
- Sarah Laughlin-Toth
- Department of Chemistry, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA, USA
| | - E Kathleen Carter
- Department of Chemistry, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA, USA
| | - Ivaylo Ivanov
- Department of Chemistry, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA, USA
| | - W David Wilson
- Department of Chemistry, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA, USA
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NDGA-P21, a novel derivative of nordihydroguaiaretic acid, inhibits glioma cell proliferation and stemness. J Transl Med 2017; 97:1180-1187. [PMID: 28504686 DOI: 10.1038/labinvest.2017.46] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Revised: 03/04/2017] [Accepted: 03/21/2017] [Indexed: 01/01/2023] Open
Abstract
Nordihydroguaiaretic acid (NDGA) and its synthetic chiral analog dl-nordihydroguaiaretic acid (Nordy) show collective benefits in anti-tumor, and defending against viral and bacterial infections. Here, we synthetized a new derivative-NDGA-P21 based on NDGA structure. Regardless of the structural similarity, NDGA-P21 exhibited stronger capability in suppression of glioblastoma (GBM) cell growth as compared to Nordy. Mechanically, NDGA-P21 is able to arrest cell cycle of GBM cells in G0/G1 phase, and to block cell proliferation sequentially. It is important to note that NDGA-P21 is able to impair the stemness of glioma stem-like cells (GSLCs) via measurement of colony formation and sphere formation. Taken together, the novel NDGA-based compound NDGA-P21 exhibits potential therty -20 apeutic implications through inhibiting proliferation of glioma cells and self-renewal capability of GSLCs.
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Werner TA, Dizdar L, Nolten I, Riemer JC, Mersch S, Schütte SC, Driemel C, Verde PE, Raba K, Topp SA, Schott M, Knoefel WT, Krieg A. Survivin and XIAP - two potential biological targets in follicular thyroid carcinoma. Sci Rep 2017; 7:11383. [PMID: 28900184 PMCID: PMC5595817 DOI: 10.1038/s41598-017-11426-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Accepted: 07/17/2017] [Indexed: 12/22/2022] Open
Abstract
Follicular thyroid carcinoma's (FTC) overall good prognosis deteriorates if the tumour fails to retain radioactive iodine. Therefore, new druggable targets are in high demand for this subset of patients. Here, we investigated the prognostic and biological role of survivin and XIAP in FTC. Survivin and XIAP expression was investigated in 44 FTC and corresponding non-neoplastic thyroid specimens using tissue microarrays. Inhibition of both inhibitor of apoptosis proteins (IAP) was induced by shRNAs or specific small molecule antagonists and functional changes were investigated in vitro and in vivo. Survivin and XIAP were solely expressed in FTC tissue. Survivin expression correlated with an advanced tumour stage and recurrent disease. In addition, survivin proved to be an independent negative prognostic marker. Survivin or XIAP knockdown caused a significant reduction in cell viability and proliferation, activated caspase3/7 and was associated with a reduced tumour growth in vivo. IAP-targeting compounds induced a decrease of cell viability, proliferation and cell cycle activity accompanied by an increase in apoptosis. Additionally, YM155 a small molecule inhibitor of survivin expression significantly inhibited tumour growth in vivo. Both IAPs demonstrate significant functional implications in the oncogenesis of FTCs and thus prove to be viable targets in patients with advanced FTC.
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Affiliation(s)
- Thomas A Werner
- Department of Surgery (A), Heinrich-Heine-University and University Hospital Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany
| | - Levent Dizdar
- Department of Surgery (A), Heinrich-Heine-University and University Hospital Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany
| | - Inga Nolten
- Department of Surgery (A), Heinrich-Heine-University and University Hospital Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany
| | - Jasmin C Riemer
- Institute of Pathology, Heinrich-Heine-University and University Hospital Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany
| | - Sabrina Mersch
- Department of Surgery (A), Heinrich-Heine-University and University Hospital Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany
| | - Sina C Schütte
- Department of Surgery (A), Heinrich-Heine-University and University Hospital Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany
| | - Christiane Driemel
- Department of Surgery (A), Heinrich-Heine-University and University Hospital Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany
| | - Pablo E Verde
- Coordination Centre for Clinical Trials, Heinrich-Heine-University and University Hospital Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany
| | - Katharina Raba
- Institute for Transplantation Diagnostics and Cell Therapeutics, Heinrich-Heine-University and University Hospital Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany
| | - Stefan A Topp
- Department of Surgery (A), Heinrich-Heine-University and University Hospital Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany
| | - Matthias Schott
- Division for Specific Endocrinology, Heinrich-Heine-University and University Hospital Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany
| | - Wolfram T Knoefel
- Department of Surgery (A), Heinrich-Heine-University and University Hospital Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany
| | - Andreas Krieg
- Department of Surgery (A), Heinrich-Heine-University and University Hospital Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany.
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Antiviral Activity of Nordihydroguaiaretic Acid and Its Derivative Tetra- O-Methyl Nordihydroguaiaretic Acid against West Nile Virus and Zika Virus. Antimicrob Agents Chemother 2017; 61:AAC.00376-17. [PMID: 28507114 DOI: 10.1128/aac.00376-17] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Accepted: 05/09/2017] [Indexed: 01/18/2023] Open
Abstract
Flaviviruses are positive-strand RNA viruses distributed all over the world that infect millions of people every year and for which no specific antiviral agents have been approved. These viruses include the mosquito-borne West Nile virus (WNV), which is responsible for outbreaks of meningitis and encephalitis. Considering that nordihydroguaiaretic acid (NDGA) has been previously shown to inhibit the multiplication of the related dengue virus and hepatitis C virus, we have evaluated the effect of NDGA, and its methylated derivative tetra-O-methyl nordihydroguaiaretic acid (M4N), on the infection of WNV. Both compounds inhibited the infection of WNV, likely by impairing viral replication. Since flavivirus multiplication is highly dependent on host cell lipid metabolism, the antiviral effect of NDGA has been previously related to its ability to disturb the lipid metabolism, probably by interfering with the sterol regulatory element-binding proteins (SREBP) pathway. Remarkably, we observed that other structurally unrelated inhibitors of the SREBP pathway, such as PF-429242 and fatostatin, also reduced WNV multiplication, supporting that the SREBP pathway may constitute a druggable target suitable for antiviral intervention against flavivirus infection. Moreover, treatment with NDGA, M4N, PF-429242, and fatostatin also inhibited the multiplication of the mosquito-borne flavivirus Zika virus (ZIKV), which has been recently associated with birth defects (microcephaly) and neurological disorders. Our results point to SREBP inhibitors, such as NDGA and M4N, as potential candidates for further antiviral development against medically relevant flaviviruses.
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Peery RC, Liu JY, Zhang JT. Targeting survivin for therapeutic discovery: past, present, and future promises. Drug Discov Today 2017; 22:1466-1477. [PMID: 28577912 DOI: 10.1016/j.drudis.2017.05.009] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Revised: 05/12/2017] [Accepted: 05/23/2017] [Indexed: 12/11/2022]
Abstract
Survivin, the smallest member of the inhibitor of apoptosis protein (IAP) family, is overexpressed in cells of almost all cancers but not in most normal tissues in adults. Survivin expression is required for cancer cell survival and knocking down its expression or inhibiting its function using molecular approaches results in spontaneous apoptosis. Thus, survivin is an attractive and perhaps ideal target for cancer drug discovery. However, a US Food and Drug Administration (FDA)-approved drug targeting survivin has yet to emerge. In this Foundation Review, we examine and evaluate various strategies that have been used to target survivin and the stages of each survivin inhibitor to help understand this lack of success. We also provide future perspectives moving forward in targeting survivin for drug discovery.
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Affiliation(s)
- Robert C Peery
- Department of Pharmacology & Toxicology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Jing-Yuan Liu
- Department of Pharmacology & Toxicology, Indiana University School of Medicine, Indianapolis, IN 46202, USA; Department of Computer and Information Science, Indiana University Purdue University, Indianapolis, IN 46202, USA
| | - Jian-Ting Zhang
- Department of Pharmacology & Toxicology, Indiana University School of Medicine, Indianapolis, IN 46202, USA; Simon Cancer Center, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
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Abstract
Mutations in cancer cells frequently result in cell cycle alterations that lead to unrestricted growth compared to normal cells. Considering this phenomenon, many drugs have been developed to inhibit different cell-cycle phases. Mitotic phase targeting disturbs mitosis in tumor cells, triggers the spindle assembly checkpoint and frequently results in cell death. The first anti-mitotics to enter clinical trials aimed to target tubulin. Although these drugs improved the treatment of certain cancers, and many anti-microtubule compounds are already approved for clinical use, severe adverse events such as neuropathies were observed. Since then, efforts have been focused on the development of drugs that also target kinases, motor proteins and multi-protein complexes involved in mitosis. In this review, we summarize the major proteins involved in the mitotic phase that can also be targeted for cancer treatment. Finally, we address the activity of anti-mitotic drugs tested in clinical trials in recent years.
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Zappavigna S, Scuotto M, Cossu AM, Ingrosso D, De Rosa M, Schiraldi C, Filosa R, Caraglia M. The 1,4 benzoquinone-featured 5-lipoxygenase inhibitor RF-Id induces apoptotic death through downregulation of IAPs in human glioblastoma cells. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2016; 35:167. [PMID: 27770821 PMCID: PMC5075202 DOI: 10.1186/s13046-016-0440-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Accepted: 10/06/2016] [Indexed: 12/23/2022]
Abstract
Background Embelin is a potent dual inhibitor of 5-lipoxigenase (5-LOX) and microsomal prostaglandin E2 synthase (mPGES)-1 that suppresses proliferation of human glioma cells and induces apoptosis by inhibiting XIAP and NF-κB signaling pathway. Synthetic structural modification yielded the derivative 3-((decahydronaphthalen-6-yl)methyl)-2,5-dihydroxycyclohexa-2,5-diene-1,4-dione (RF-Id), an embelin constrained analogue, with improved efficiency against 5-LOX in human neutrophils and anti-inflammatory activity in vivo. Taking into account that lipoxygenase (LOX) metabolites, from arachidonic acid and linoleic acid, have been implicated in tumor progression, here, we determined whether RF-Id was able to hinder glioblastoma (GBM) cancer cell growth and the related mechanisms. Methods U87MG and LN229 cells were plated in 96-wells and treated with increasing concentrations of RF-Id. Cell viability was evaluated by MTT assay. The effects of the compounds on cell cycle, apoptosis, oxidative stress and autophagy were assessed by flow cytometry (FACS). The mode of action was confirmed by Taqman apoptosis array and evaluating caspase cascade and NFκB pathway by western blotting technique. Results Here, we found that RF-Id induced a stronger inhibition of GBM cell growth than treatment with embelin. Flow cytometry analysis showed that RF-Id induced about 30 % apoptosis and a slight increase of autophagy after 72 h on U87-MG cells. Moreover, the compound induced an increase in the percentage of cells in G2 and S phase that was paralleled by an increase of p21 and p27 expression but no significant changes of the mitochondrial membrane potential; array analysis showed a significant upregulation of CASP8 and a downregulation of IAP family and NFκB genes in cells treated with RF-Id. RF-Id induced a significant cleavage of caspases 8, 9, 3 and 7, blocked c-IAP2/XIAP interaction by inducing XIAP degradation and inhibited NFκB pathway. Conclusions RF-Id induced a caspase-dependent apoptosis in GBM cells by inhibiting IAP family proteins and NFκB pathway and represents a promising lead compound for designing a new class of anti-cancer drugs with multiple targets. Electronic supplementary material The online version of this article (doi:10.1186/s13046-016-0440-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- S Zappavigna
- Department of Biochemistry, Biophysics and General Pathology, Second University of Naples, via L. De Crecchio 7, Naples, 80138, Italy
| | - M Scuotto
- Department of Experimental Medicine, Second University of Naples, Via L. De Crecchio, 7, Naples, 80138, Italy
| | - A M Cossu
- Department of Biochemistry, Biophysics and General Pathology, Second University of Naples, via L. De Crecchio 7, Naples, 80138, Italy
| | - D Ingrosso
- Department of Biochemistry, Biophysics and General Pathology, Second University of Naples, via L. De Crecchio 7, Naples, 80138, Italy
| | - M De Rosa
- Department of Experimental Medicine, Second University of Naples, Via L. De Crecchio, 7, Naples, 80138, Italy
| | - C Schiraldi
- Department of Experimental Medicine, Second University of Naples, Via L. De Crecchio, 7, Naples, 80138, Italy
| | - R Filosa
- Department of Experimental Medicine, Second University of Naples, Via L. De Crecchio, 7, Naples, 80138, Italy.
| | - M Caraglia
- Department of Biochemistry, Biophysics and General Pathology, Second University of Naples, via L. De Crecchio 7, Naples, 80138, Italy.
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Kimura K, Huang RCC. Tetra-O-Methyl Nordihydroguaiaretic Acid Broadly Suppresses Cancer Metabolism and Synergistically Induces Strong Anticancer Activity in Combination with Etoposide, Rapamycin and UCN-01. PLoS One 2016; 11:e0148685. [PMID: 26886430 PMCID: PMC4757551 DOI: 10.1371/journal.pone.0148685] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Accepted: 01/20/2016] [Indexed: 12/19/2022] Open
Abstract
The ability of Tetra-O-methyl nordihydroguaiaretic acid (M4N) to induce rapid cell death in combination with Etoposide, Rapamycin, or UCN-01 was examined in LNCaP cells, both in cell culture and animal experiments. Mice treated with M4N drug combinations with either Etoposide or Rapamycin showed no evidence of tumor and had a 100% survival rate 100 days after tumor implantation. By comparison all other vehicles or single drug treated mice failed to survive longer than 30 days after implantation. This synergistic improvement of anticancer effect was also confirmed in more than 20 cancer cell lines. In LNCaP cells, M4N was found to reduce cellular ATP content, and suppress NDUFS1 expression while inducing hyperpolarization of mitochondrial membrane potential. M4N-treated cells lacked autophagy with reduced expression of BNIP3 and ATG5. To understand the mechanisms of this anticancer activity of M4N, the effect of this drug on three cancer cell lines (LNCaP, AsPC-1, and L428 cells) was further examined via transcriptome and metabolomics analyses. Metabolomic results showed that there were reductions of 26 metabolites essential for energy generation and/or production of cellular components in common with these three cell lines following 8 hours of M4N treatment. Deep RNA sequencing analysis demonstrated that there were sixteen genes whose expressions were found to be modulated following 6 hours of M4N treatment similarly in these three cell lines. Six out of these 16 genes were functionally related to the 26 metabolites described above. One of these up-regulated genes encodes for CHAC1, a key enzyme affecting the stress pathways through its degradation of glutathione. In fact M4N was found to suppress glutathione content and induce reactive oxygen species production. The data overall indicate that M4N has profound specific negative impacts on a wide range of cancer metabolisms supporting the use of M4N combination for cancer treatments.
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Affiliation(s)
- Kotohiko Kimura
- Department of Biology, Johns Hopkins University, Baltimore, Maryland, United States of America
| | - Ru Chih C. Huang
- Department of Biology, Johns Hopkins University, Baltimore, Maryland, United States of America
- * E-mail:
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Gounder MM, Nayak L, Sahebjam S, Muzikansky A, Sanchez AJ, Desideri S, Ye X, Ivy SP, Nabors LB, Prados M, Grossman S, DeAngelis LM, Wen PY. Evaluation of the Safety and Benefit of Phase I Oncology Trials for Patients With Primary CNS Tumors. J Clin Oncol 2015; 33:3186-92. [PMID: 26282642 DOI: 10.1200/jco.2015.61.1525] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
PURPOSE Patients with high-grade gliomas (HGG) are frequently excluded from first-in-human solid tumor trials because of perceived poor prognosis, excessive toxicities, concomitant drug interactions, and poor efficacy. We conducted an analysis of outcomes from select, single-agent phase I studies in patients with HGG. We compared outcomes to pooled analysis of published studies in solid tumors with various molecular and cytotoxic drugs evaluated as single agents or as combinations. PATIENT AND METHODS Individual records of patients with recurrent HGG enrolled onto Adult Brain Tumor Consortium trials of single-agent, cytotoxic or molecular agents from 2000 to 2008 were analyzed for baseline characteristics, toxicities, responses, and survival. RESULTS Our analysis included 327 patients with advanced, refractory HGG who were enrolled onto eight trials involving targeted molecular (n=5) and cytotoxic (n=3) therapies. At enrollment, patients had a median Karnofsky performance score of 90 and median age of 52 years; 62% were men, 63% had glioblastoma, and the median number of prior systemic chemotherapies was one. Baseline laboratory values were in an acceptable range to meet eligibility criteria. Patients were on the study for a median of two cycles (range, <one to 56 cycles), and 96% were evaluable for primary end points. During cycle 1, grade≥3 nonhematologic and grade≥4 hematologic toxicities were 5% (28 of 565 adverse events) and 0.9% (five of 565 adverse events), respectively, and 66% of these occurred at the highest dose level. There was one death attributed to drug. Overall response rate (complete and partial response) was 5.5%. Median progression-free and overall survival times were 1.8 and 6 months, respectively. CONCLUSION Patients with HGG who meet standard eligibility criteria may be good candidates for solid tumor phase I studies with single-agent molecular or cytotoxic drugs with favorable preclinical rationale and pharmacokinetic properties in this population.
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Affiliation(s)
- Mrinal M Gounder
- Mrinal M. Gounder, Armando J. Sanchez, and Lisa M. DeAngelis, Memorial Sloan-Kettering Cancer Center and Weil Cornell Medical School, New York, NY; Lakshmi Nayak and Patrick Y. Wen, Dana-Farber/Brigham and Women's Cancer Center and Harvard Medical School; Alona Muzikansky, Massachusetts General Hospital and Harvard Medical School, Boston, MA; Solmaz Sahebjam, Moffitt Cancer Center, University of South Florida, Tampa, FL; Serena Desideri, Xiaobu Ye, and Stuart Grossman, Johns Hopkins Sidney Kimmel Cancer Center, Baltimore; S. Percy Ivy, National Cancer Institute, Cancer Therapy Evaluation Program, Bethesda, MD; L. Burt Nabors, University of Alabama at Birmingham, Birmingham, AL; and Michael Prados, University of California at San Francisco, San Francisco, CA.
| | - Lakshmi Nayak
- Mrinal M. Gounder, Armando J. Sanchez, and Lisa M. DeAngelis, Memorial Sloan-Kettering Cancer Center and Weil Cornell Medical School, New York, NY; Lakshmi Nayak and Patrick Y. Wen, Dana-Farber/Brigham and Women's Cancer Center and Harvard Medical School; Alona Muzikansky, Massachusetts General Hospital and Harvard Medical School, Boston, MA; Solmaz Sahebjam, Moffitt Cancer Center, University of South Florida, Tampa, FL; Serena Desideri, Xiaobu Ye, and Stuart Grossman, Johns Hopkins Sidney Kimmel Cancer Center, Baltimore; S. Percy Ivy, National Cancer Institute, Cancer Therapy Evaluation Program, Bethesda, MD; L. Burt Nabors, University of Alabama at Birmingham, Birmingham, AL; and Michael Prados, University of California at San Francisco, San Francisco, CA
| | - Solmaz Sahebjam
- Mrinal M. Gounder, Armando J. Sanchez, and Lisa M. DeAngelis, Memorial Sloan-Kettering Cancer Center and Weil Cornell Medical School, New York, NY; Lakshmi Nayak and Patrick Y. Wen, Dana-Farber/Brigham and Women's Cancer Center and Harvard Medical School; Alona Muzikansky, Massachusetts General Hospital and Harvard Medical School, Boston, MA; Solmaz Sahebjam, Moffitt Cancer Center, University of South Florida, Tampa, FL; Serena Desideri, Xiaobu Ye, and Stuart Grossman, Johns Hopkins Sidney Kimmel Cancer Center, Baltimore; S. Percy Ivy, National Cancer Institute, Cancer Therapy Evaluation Program, Bethesda, MD; L. Burt Nabors, University of Alabama at Birmingham, Birmingham, AL; and Michael Prados, University of California at San Francisco, San Francisco, CA
| | - Alona Muzikansky
- Mrinal M. Gounder, Armando J. Sanchez, and Lisa M. DeAngelis, Memorial Sloan-Kettering Cancer Center and Weil Cornell Medical School, New York, NY; Lakshmi Nayak and Patrick Y. Wen, Dana-Farber/Brigham and Women's Cancer Center and Harvard Medical School; Alona Muzikansky, Massachusetts General Hospital and Harvard Medical School, Boston, MA; Solmaz Sahebjam, Moffitt Cancer Center, University of South Florida, Tampa, FL; Serena Desideri, Xiaobu Ye, and Stuart Grossman, Johns Hopkins Sidney Kimmel Cancer Center, Baltimore; S. Percy Ivy, National Cancer Institute, Cancer Therapy Evaluation Program, Bethesda, MD; L. Burt Nabors, University of Alabama at Birmingham, Birmingham, AL; and Michael Prados, University of California at San Francisco, San Francisco, CA
| | - Armando J Sanchez
- Mrinal M. Gounder, Armando J. Sanchez, and Lisa M. DeAngelis, Memorial Sloan-Kettering Cancer Center and Weil Cornell Medical School, New York, NY; Lakshmi Nayak and Patrick Y. Wen, Dana-Farber/Brigham and Women's Cancer Center and Harvard Medical School; Alona Muzikansky, Massachusetts General Hospital and Harvard Medical School, Boston, MA; Solmaz Sahebjam, Moffitt Cancer Center, University of South Florida, Tampa, FL; Serena Desideri, Xiaobu Ye, and Stuart Grossman, Johns Hopkins Sidney Kimmel Cancer Center, Baltimore; S. Percy Ivy, National Cancer Institute, Cancer Therapy Evaluation Program, Bethesda, MD; L. Burt Nabors, University of Alabama at Birmingham, Birmingham, AL; and Michael Prados, University of California at San Francisco, San Francisco, CA
| | - Serena Desideri
- Mrinal M. Gounder, Armando J. Sanchez, and Lisa M. DeAngelis, Memorial Sloan-Kettering Cancer Center and Weil Cornell Medical School, New York, NY; Lakshmi Nayak and Patrick Y. Wen, Dana-Farber/Brigham and Women's Cancer Center and Harvard Medical School; Alona Muzikansky, Massachusetts General Hospital and Harvard Medical School, Boston, MA; Solmaz Sahebjam, Moffitt Cancer Center, University of South Florida, Tampa, FL; Serena Desideri, Xiaobu Ye, and Stuart Grossman, Johns Hopkins Sidney Kimmel Cancer Center, Baltimore; S. Percy Ivy, National Cancer Institute, Cancer Therapy Evaluation Program, Bethesda, MD; L. Burt Nabors, University of Alabama at Birmingham, Birmingham, AL; and Michael Prados, University of California at San Francisco, San Francisco, CA
| | - Xiaobu Ye
- Mrinal M. Gounder, Armando J. Sanchez, and Lisa M. DeAngelis, Memorial Sloan-Kettering Cancer Center and Weil Cornell Medical School, New York, NY; Lakshmi Nayak and Patrick Y. Wen, Dana-Farber/Brigham and Women's Cancer Center and Harvard Medical School; Alona Muzikansky, Massachusetts General Hospital and Harvard Medical School, Boston, MA; Solmaz Sahebjam, Moffitt Cancer Center, University of South Florida, Tampa, FL; Serena Desideri, Xiaobu Ye, and Stuart Grossman, Johns Hopkins Sidney Kimmel Cancer Center, Baltimore; S. Percy Ivy, National Cancer Institute, Cancer Therapy Evaluation Program, Bethesda, MD; L. Burt Nabors, University of Alabama at Birmingham, Birmingham, AL; and Michael Prados, University of California at San Francisco, San Francisco, CA
| | - S Percy Ivy
- Mrinal M. Gounder, Armando J. Sanchez, and Lisa M. DeAngelis, Memorial Sloan-Kettering Cancer Center and Weil Cornell Medical School, New York, NY; Lakshmi Nayak and Patrick Y. Wen, Dana-Farber/Brigham and Women's Cancer Center and Harvard Medical School; Alona Muzikansky, Massachusetts General Hospital and Harvard Medical School, Boston, MA; Solmaz Sahebjam, Moffitt Cancer Center, University of South Florida, Tampa, FL; Serena Desideri, Xiaobu Ye, and Stuart Grossman, Johns Hopkins Sidney Kimmel Cancer Center, Baltimore; S. Percy Ivy, National Cancer Institute, Cancer Therapy Evaluation Program, Bethesda, MD; L. Burt Nabors, University of Alabama at Birmingham, Birmingham, AL; and Michael Prados, University of California at San Francisco, San Francisco, CA
| | - L Burt Nabors
- Mrinal M. Gounder, Armando J. Sanchez, and Lisa M. DeAngelis, Memorial Sloan-Kettering Cancer Center and Weil Cornell Medical School, New York, NY; Lakshmi Nayak and Patrick Y. Wen, Dana-Farber/Brigham and Women's Cancer Center and Harvard Medical School; Alona Muzikansky, Massachusetts General Hospital and Harvard Medical School, Boston, MA; Solmaz Sahebjam, Moffitt Cancer Center, University of South Florida, Tampa, FL; Serena Desideri, Xiaobu Ye, and Stuart Grossman, Johns Hopkins Sidney Kimmel Cancer Center, Baltimore; S. Percy Ivy, National Cancer Institute, Cancer Therapy Evaluation Program, Bethesda, MD; L. Burt Nabors, University of Alabama at Birmingham, Birmingham, AL; and Michael Prados, University of California at San Francisco, San Francisco, CA
| | - Michael Prados
- Mrinal M. Gounder, Armando J. Sanchez, and Lisa M. DeAngelis, Memorial Sloan-Kettering Cancer Center and Weil Cornell Medical School, New York, NY; Lakshmi Nayak and Patrick Y. Wen, Dana-Farber/Brigham and Women's Cancer Center and Harvard Medical School; Alona Muzikansky, Massachusetts General Hospital and Harvard Medical School, Boston, MA; Solmaz Sahebjam, Moffitt Cancer Center, University of South Florida, Tampa, FL; Serena Desideri, Xiaobu Ye, and Stuart Grossman, Johns Hopkins Sidney Kimmel Cancer Center, Baltimore; S. Percy Ivy, National Cancer Institute, Cancer Therapy Evaluation Program, Bethesda, MD; L. Burt Nabors, University of Alabama at Birmingham, Birmingham, AL; and Michael Prados, University of California at San Francisco, San Francisco, CA
| | - Stuart Grossman
- Mrinal M. Gounder, Armando J. Sanchez, and Lisa M. DeAngelis, Memorial Sloan-Kettering Cancer Center and Weil Cornell Medical School, New York, NY; Lakshmi Nayak and Patrick Y. Wen, Dana-Farber/Brigham and Women's Cancer Center and Harvard Medical School; Alona Muzikansky, Massachusetts General Hospital and Harvard Medical School, Boston, MA; Solmaz Sahebjam, Moffitt Cancer Center, University of South Florida, Tampa, FL; Serena Desideri, Xiaobu Ye, and Stuart Grossman, Johns Hopkins Sidney Kimmel Cancer Center, Baltimore; S. Percy Ivy, National Cancer Institute, Cancer Therapy Evaluation Program, Bethesda, MD; L. Burt Nabors, University of Alabama at Birmingham, Birmingham, AL; and Michael Prados, University of California at San Francisco, San Francisco, CA
| | - Lisa M DeAngelis
- Mrinal M. Gounder, Armando J. Sanchez, and Lisa M. DeAngelis, Memorial Sloan-Kettering Cancer Center and Weil Cornell Medical School, New York, NY; Lakshmi Nayak and Patrick Y. Wen, Dana-Farber/Brigham and Women's Cancer Center and Harvard Medical School; Alona Muzikansky, Massachusetts General Hospital and Harvard Medical School, Boston, MA; Solmaz Sahebjam, Moffitt Cancer Center, University of South Florida, Tampa, FL; Serena Desideri, Xiaobu Ye, and Stuart Grossman, Johns Hopkins Sidney Kimmel Cancer Center, Baltimore; S. Percy Ivy, National Cancer Institute, Cancer Therapy Evaluation Program, Bethesda, MD; L. Burt Nabors, University of Alabama at Birmingham, Birmingham, AL; and Michael Prados, University of California at San Francisco, San Francisco, CA
| | - Patrick Y Wen
- Mrinal M. Gounder, Armando J. Sanchez, and Lisa M. DeAngelis, Memorial Sloan-Kettering Cancer Center and Weil Cornell Medical School, New York, NY; Lakshmi Nayak and Patrick Y. Wen, Dana-Farber/Brigham and Women's Cancer Center and Harvard Medical School; Alona Muzikansky, Massachusetts General Hospital and Harvard Medical School, Boston, MA; Solmaz Sahebjam, Moffitt Cancer Center, University of South Florida, Tampa, FL; Serena Desideri, Xiaobu Ye, and Stuart Grossman, Johns Hopkins Sidney Kimmel Cancer Center, Baltimore; S. Percy Ivy, National Cancer Institute, Cancer Therapy Evaluation Program, Bethesda, MD; L. Burt Nabors, University of Alabama at Birmingham, Birmingham, AL; and Michael Prados, University of California at San Francisco, San Francisco, CA
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Lee B, McArthur GA. CDK4 inhibitors an emerging strategy for the treatment of melanoma. Melanoma Manag 2015; 2:255-266. [PMID: 30190853 DOI: 10.2217/mmt.15.14] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Research into the cyclin-dependent kinases and their inhibitors is finally coming into the forefront of clinical research in cancer. Targeted therapies such as BRAF inhibitors have led the way in improving treatment outcomes in advanced melanoma. Based on detailed genomic knowledge of melanoma it is now time to extend targeted therapies beyond BRAF to fulfill the vision of precision medicine. The p16INK4A-cyclin D-CDK4/6-retinoblastoma protein pathway (RB pathway) is dysregulated in more than 90% of melanomas and interacts biochemically and genetically with the RAS/RAF/MEK/ERK pathway. Recognizing and understanding these processes that drive melanomagenesis is essential to rationally develop new therapies. This paper reviews the mechanisms, background and progress of small molecule CDK4 inhibitors in the management of melanoma.
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Affiliation(s)
- Belinda Lee
- Department of Cancer Medicine, Peter MacCallum Cancer Centre, St Andrews Place, East Melbourne, Australia.,Department of Cancer Medicine, Peter MacCallum Cancer Centre, St Andrews Place, East Melbourne, Australia
| | - Grant A McArthur
- Department of Cancer Medicine, Peter MacCallum Cancer Centre, St Andrews Place, East Melbourne, Australia.,Department of Pathology, University of Melbourne, Parkville, Australia.,Department of Medicine, St Vincent's Hospital, University of Melbourne, Victoria St, Fitzroy, Australia.,Sir Peter MacCallum Department of Oncology, University of Melbourne, St Andrews Place, East Melbourne, Australia.,Peter MacCallum Cancer Centre, Locked Bag 1, A'Beckett Street, Melbourne VIC 8006, Australia.,Department of Cancer Medicine, Peter MacCallum Cancer Centre, St Andrews Place, East Melbourne, Australia.,Department of Pathology, University of Melbourne, Parkville, Australia.,Department of Medicine, St Vincent's Hospital, University of Melbourne, Victoria St, Fitzroy, Australia.,Sir Peter MacCallum Department of Oncology, University of Melbourne, St Andrews Place, East Melbourne, Australia.,Peter MacCallum Cancer Centre, Locked Bag 1, A'Beckett Street, Melbourne VIC 8006, Australia
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Das V, Štěpánková J, Hajdúch M, Miller JH. Role of tumor hypoxia in acquisition of resistance to microtubule-stabilizing drugs. Biochim Biophys Acta Rev Cancer 2015; 1855:172-82. [DOI: 10.1016/j.bbcan.2015.02.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2014] [Revised: 01/12/2015] [Accepted: 02/01/2015] [Indexed: 12/19/2022]
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Gnabre J, Bates R, Huang RC. Creosote bush lignans for human disease treatment and prevention: Perspectives on combination therapy. J Tradit Complement Med 2015; 5:119-26. [PMID: 26151022 PMCID: PMC4488564 DOI: 10.1016/j.jtcme.2014.11.024] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Revised: 10/02/2014] [Accepted: 11/13/2014] [Indexed: 12/31/2022] Open
Abstract
The medicinal properties of the most successful plant in the deserts of the western hemisphere, the creosote bush (Larrea tridentata), are evidenced by the long traditional usage of the plants by the Native Americans Indian tribes in Southwestern North America and the Amerindians from South America. The plant is rich in simple bisphenyl lignans and tricyclic lignans known as cyclolignans. These compounds are responsible for many of the pharmacological activities of extracts of the plants. Some of these activities, namely antiherpes, antioxidant, antifungal, and anti-inflammatory, were known a century ago. Only recently have further studies revealed other crucial activities of the same plant molecules as powerful agents against human immunodeficiency virus, human papillomavirus, cancer, neurodegenerative diseases, and symptoms of aging. Molecular mechanisms underlying the antiviral and anticancer activities have been elucidated and involve the inhibition of SP1 dependent gene transcription. This review summarizes the recent findings on creosote bush lignans. We introduce the concept of a cocktail of safe well-characterized natural products from the creosote bush that would represent a bridge between oriental herbal medicines and Western drug-based therapies.
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Affiliation(s)
- John Gnabre
- Mal-4 Research Institute, Baltimore, MD, USA
| | - Robert Bates
- Department of Chemistry, University of Arizona, Tucson, AZ, USA
| | - Ru Chih Huang
- Department of Biology, Johns Hopkins University, Mudd Hall, Baltimore, MD, USA
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Xiao M, Li W. Recent Advances on Small-Molecule Survivin Inhibitors. Curr Med Chem 2015; 22:1136 - 1146. [PMID: 25613234 DOI: 10.2174/0929867322666150114102146] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2014] [Revised: 12/07/2014] [Accepted: 12/09/2014] [Indexed: 12/18/2022]
Abstract
Survivin, a member of the inhibitor of apoptosisproteins family, is highly expressed in most human neoplasms, but its expression is very low or undetectable in terminally differentiated normal tissues. Survivin has been shown to inhibit cancer cell apoptosis and promote cell proliferation. The overexpression of survivin closely correlates with tumor progression and drug resistance. Because of its key role in tumor formation and maintenance, survivin is considered as an ideal target for anticancer treatment. However, the development of small-molecule survivin inhibitors has been challenging due to the requirement to disrupt the protein-protein interactions. Currently only a limited number of survivin inhibitors have been developed in recent years, and most of these inhibitors reduce survivin levels by interacting with other biomolecules instead of directly interacting with survivin protein. Despite these challenges, developing potent and selective small-molecule survivin inhibitors will be important in both basic science to better understand survivin biology and in translational research to develop potentially more effective, broad-spectrum anticancer agents. In this review, the functions of survivin and its role in cancer are summarized. Recent developments, challenges, and future direction of small-molecule survivin inhibitors are also discussed in detail.
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Affiliation(s)
| | - Wei Li
- Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, Tennessee 38163, United States.
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Phase I study of the novel Cdc2/CDK1 and AKT inhibitor terameprocol in patients with advanced leukemias. Invest New Drugs 2014; 33:389-96. [PMID: 25523151 DOI: 10.1007/s10637-014-0198-y] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2014] [Accepted: 12/08/2014] [Indexed: 10/24/2022]
Abstract
PURPOSE Inhibiting survivin and Cdc2 (CDK1) has preclinical anti-leukemic activity. Terameprocol is a small molecule survivin and Cdc2/CDK1 inhibitor that was studied in a Phase I dose-escalation trial. PATIENTS AND METHODS Sixteen patients with advanced acute myeloid leukemia (AML) or myelodysplastic syndrome (MDS) were enrolled and 15 treated with Terameprocol in three dose cohorts intravenously three times per week for 2 weeks every 21 days. RESULTS Patients had AML (n = 11), chronic myelogeneous leukemia in blast phase (CML-BP, n = 2) and one each T-cell acute lymphoblastic leukemia (T-ALL) and MDS. Four, five and six patients were treated at the 1000, 1500 and 2200 mg Terameprocol dose cohorts respectively. Common related treatment emergent adverse events (TEAE) were grade 1 or 2 headache, transaminitis and pruritus, with one grade 4 serious AE (SAE) of pneumonia. No dose limiting toxicity (DLT) was observed, however, due to other observed grade 3 TEAE the recommended phase 2 dose (RP2D) was determined at 1500 mg 3×/week for 2 weeks of a 21-day cycle. Partial remission and transfusion independence in a CML-BP patient (1500 mg cohort) and hematological improvement in erythroid (HI-E) and platelet lineage (HI-P) in an AML patient were observed. Five AML patients had stable disease greater/equal to 2 months. Pharmacodynamic studies showed a reduction of CDK1 and phospho-AKT protein expression. CONCLUSION Terameprocol can be safely administered to advanced leukemia patients, sufficient drug exposure was obtained and clinical activity and biomarker modulation were observed.
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Redmond WJ, Camo M, Mitchell V, Vaughan CW, Connor M. Nordihydroguaiaretic acid activates hTRPA1 and modulates behavioral responses to noxious cold in mice. Pharmacol Res Perspect 2014; 2:e00079. [PMID: 25505619 PMCID: PMC4186454 DOI: 10.1002/prp2.79] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2014] [Revised: 07/31/2014] [Accepted: 08/01/2014] [Indexed: 01/25/2023] Open
Abstract
Nordihydroguaiaretic acid (NDGA) is a major biologically active component of the creosote bush, Larrea tridentate, widely used in unregulated therapies. NDGA is a lipoxygenase inhibitor while a derivative, terameprocol, has been trialed as a chemotherapeutic agent. When investigating fatty acid activation of the human transient receptor potential cation channel subfamily A, member 1 (hTRPA1), we found that NDGA activated the channel. Here we investigate the actions of NDGA and terameprocol at hTRPA1 and the consequences of this for noxious cold sensitivity in mice. hTRPA1 was stably expressed in HEK 293 cells (HEK 293-TRPA1) and channel activity examined by measuring changes in intracellular calcium ([Ca]i) using a fluorescent dye and activation of membrane currents using patch clamp electrophysiology. The effects of local NDGA and terameprocol application on acetone-induced paw flinching were examined in mice. NDGA (pEC50 of 5.4 ± 0.1, maximum change in fluorescence of 385 ± 30%) and terameprocol (pEC50 4.5 ± 0.2, maximum 550 ± 75%) increased [Ca]i in HEK 293-hTRPA1 cells. NDGA also induced an increase in membrane conductance in HEK 293-hTRPA1 cells. These effects were prevented by the TRPA1 antagonist HC-030031, and were dependent on the presence of Cys621, Cys 641, and Cys 665 in hTRPA1. Neither NDGA nor terameprocol alone produced spontaneous pain behaviors in mice after hind paw injection, but both enhanced responses to acetone. NDGA and terameprocol are efficacious activators of TRPA1. NDGA should be used with care to probe lipoxygenase involvement in nociception while TRPA1 activity should be considered when considering use of these drugs in humans.
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Affiliation(s)
- William John Redmond
- Australian School of Advanced Medicine, Macquarie University New South Wales, 2109, Australia
| | - Maxime Camo
- Australian School of Advanced Medicine, Macquarie University New South Wales, 2109, Australia
| | - Vanessa Mitchell
- Pain Management Research Institute, Kolling Institute, University of Sydney New South Wales, 2065, Australia
| | - Christopher Walter Vaughan
- Pain Management Research Institute, Kolling Institute, University of Sydney New South Wales, 2065, Australia
| | - Mark Connor
- Australian School of Advanced Medicine, Macquarie University New South Wales, 2109, Australia
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Survivin beyond physiology: orchestration of multistep carcinogenesis and therapeutic potentials. Cancer Lett 2014; 347:175-82. [PMID: 24560928 DOI: 10.1016/j.canlet.2014.02.014] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2013] [Revised: 02/10/2014] [Accepted: 02/13/2014] [Indexed: 12/21/2022]
Abstract
Survivin, a member of the inhibitor of apoptosis protein family, has been associated with protection from cell apoptosis and regulation of mitosis. Survivin exhibits low to undetectable expression in most finally differentiated adult tissues but is abundantly over-expressed in almost all cancers. The aberrant high expression of survivin in cancers is associated with advanced disease, increased rate of tumor recurrence, abbreviated overall survival and resistance to chemo- and radio- therapy. Survivin touches nearly every aspect of cancer and is involved in the initiation, maintenance and development of tumor. Therefore, its significance in cancer dictates the pursuit for anti-survivin cancer therapies.
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Phase 1 trial of dichloroacetate (DCA) in adults with recurrent malignant brain tumors. Invest New Drugs 2013; 32:452-64. [PMID: 24297161 DOI: 10.1007/s10637-013-0047-4] [Citation(s) in RCA: 145] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2013] [Accepted: 10/31/2013] [Indexed: 02/06/2023]
Abstract
BACKGROUND Recurrent malignant brain tumors (RMBTs) carry a poor prognosis. Dichloroacetate (DCA) activates mitochondrial oxidative metabolism and has shown activity against several human cancers. DESIGN We conducted an open-label study of oral DCA in 15 adults with recurrent WHO grade III - IV gliomas or metastases from a primary cancer outside the central nervous system. The primary objective was detection of a dose limiting toxicity for RMBTs at 4 weeks of treatment, defined as any grade 4 or 5 toxicity, or grade 3 toxicity directly attributable to DCA, based on the National Cancer Institute's Common Toxicity Criteria for Adverse Events, version 4.0. Secondary objectives involved safety, tolerability and hypothesis-generating data on disease status. Dosing was based on haplotype variation in glutathione transferase zeta 1/maleylacetoacetate isomerase (GSTZ1/MAAI), which participates in DCA and tyrosine catabolism. RESULTS Eight patients completed at least 1 four week cycle. During this time, no dose-limiting toxicities occurred. No patient withdrew because of lack of tolerance to DCA, although 2 subjects experienced grade 0-1 distal parasthesias that led to elective withdrawal and/or dose-adjustment. All subjects completing at least 1 four week cycle remained clinically stable during this time and remained on DCA for an average of 75.5 days (range 26-312). CONCLUSIONS Chronic, oral DCA is feasible and well-tolerated in patients with recurrent malignant gliomas and other tumors metastatic to the brain using the dose range established for metabolic diseases. The importance of genetic-based dosing is confirmed and should be incorporated into future trials of chronic DCA administration.
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Hensley P, Mishra M, Kyprianou N. Targeting caspases in cancer therapeutics. Biol Chem 2013; 394:831-43. [PMID: 23509217 DOI: 10.1515/hsz-2013-0128] [Citation(s) in RCA: 115] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2013] [Accepted: 03/15/2013] [Indexed: 02/01/2023]
Abstract
The identification of the fundamental role of apoptosis in the growth balance and normal homeostasis against cell proliferation led to the recognition of its loss contributing to tumorigenesis. The mechanistic significance of reinstating apoptosis signaling towards selective targeting of malignant cells heavily exploits the caspase family of death-inducing molecules as a powerful therapeutic platform for the development of potent anticancer strategies. Some apoptosis inhibitors induce caspase expression and activity in preclinical models and clinical trials by targeting both the intrinsic and extrinsic apoptotic pathways and restoring the apoptotic capacity in human tumors. Furthermore, up-regulation of caspases emerges as a sensitizing mechanism for tumors exhibiting therapeutic resistance to radiation and adjuvant chemotherapy. This review provides a comprehensive discussion of the functional involvement of caspases in apoptosis control and the current understanding of reactivating caspase-mediated apoptosis signaling towards effective therapeutic modalities in cancer treatment.
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Affiliation(s)
- Patrick Hensley
- Department of Urology, University of Kentucky College of Medicine, 800 Rose Street, Lexington, KY 40536, USA
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Diaz-Moralli S, Tarrado-Castellarnau M, Miranda A, Cascante M. Targeting cell cycle regulation in cancer therapy. Pharmacol Ther 2013; 138:255-71. [PMID: 23356980 DOI: 10.1016/j.pharmthera.2013.01.011] [Citation(s) in RCA: 237] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2012] [Accepted: 12/26/2012] [Indexed: 01/10/2023]
Abstract
Cell proliferation is an essential mechanism for growth, development and regeneration of eukaryotic organisms; however, it is also the cause of one of the most devastating diseases of our era: cancer. Given the relevance of the processes in which cell proliferation is involved, its regulation is of paramount importance for multicellular organisms. Cell division is orchestrated by a complex network of interactions between proteins, metabolism and microenvironment including several signaling pathways and mechanisms of control aiming to enable cell proliferation only in response to specific stimuli and under adequate conditions. Three main players have been identified in the coordinated variation of the many molecules that play a role in cell cycle: i) The cell cycle protein machinery including cyclin-dependent kinases (CDK)-cyclin complexes and related kinases, ii) The metabolic enzymes and related metabolites and iii) The reactive-oxygen species (ROS) and cellular redox status. The role of these key players and the interaction between oscillatory and non-oscillatory species have proved essential for driving the cell cycle. Moreover, cancer development has been associated to defects in all of them. Here, we provide an overview on the role of CDK-cyclin complexes, metabolic adaptations and oxidative stress in regulating progression through each cell cycle phase and transitions between them. Thus, new approaches for the design of innovative cancer therapies targeting crosstalk between cell cycle simultaneous events are proposed.
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Affiliation(s)
- Santiago Diaz-Moralli
- Faculty of Biology, Department of Biochemistry and Molecular Biology, Universitat de Barcelona, Barcelona, Spain
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Tetra-O-methyl nordihydroguaiaretic acid, an inhibitor of Sp1-mediated survivin transcription, induces apoptosis and acts synergistically with chemo-radiotherapy in glioblastoma cells. Invest New Drugs 2013; 31:858-70. [DOI: 10.1007/s10637-012-9917-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2012] [Accepted: 12/14/2012] [Indexed: 12/12/2022]
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Li F. Discovery of survivin inhibitors and beyond: FL118 as a proof of concept. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2013; 305:217-52. [PMID: 23890383 DOI: 10.1016/b978-0-12-407695-2.00005-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Survivin, a novel antiapoptotic protein molecule, plays a central role in cancer cell survival/proliferation networks and has therefore become a therapeutic target for cancer drug discovery efforts. There are two strategies for discovering survivin inhibitors. One is based on survivin interactions within the cell and the other strategy is based on blocking survivin expression. Survivin inhibitors developed by the first strategy would disrupt a particular survivin function. These survivin inhibitors could also be useful tools for delineating the mechanism of action of survivin. The second strategy may use a reporter system of the survivin gene to screen drug libraries. To date, two molecules, YM155 and FL118, have been identified using this strategy. These two examples provide a proof of concept that screens for inhibitors of survivin expression using survivin gene reporter assays as surrogate markers will uncover versatile small molecules that not only inhibit survivin but also inhibit other essential cancer survival/proliferation-associated targets and/or signaling pathways. This review provides an overview of current information in the area relevant to survivin inhibitors that may facilitate future studies.
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Affiliation(s)
- Fengzhi Li
- Department of Pharmacology & Therapeutics, Roswell Park Cancer Institute, Buffalo, New York, USA.
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