1
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Ren L, Zhang T, Zhang J. Recent advances in dietary androgen receptor inhibitors. Med Res Rev 2024; 44:1446-1500. [PMID: 38279967 DOI: 10.1002/med.22019] [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: 10/20/2022] [Revised: 12/07/2023] [Accepted: 01/10/2024] [Indexed: 01/29/2024]
Abstract
As a nuclear transcription factor, the androgen receptor (AR) plays a crucial role not only in normal male sexual differentiation and growth of the prostate, but also in benign prostatic hyperplasia, prostatitis, and prostate cancer. Multiple population-based epidemiological studies demonstrated that prostate cancer risk was inversely associated with increased dietary intakes of green tea, soy products, tomato, and so forth. Therefore, this review aimed to summarize the structure and function of AR, and further illustrate the structural basis for antagonistic mechanisms of the currently clinically available antiandrogens. Due to the limitations of these antiandrogens, a series of natural AR inhibitors have been identified from edible plants such as fruits and vegetables, as well as folk medicines, health foods, and nutritional supplements. Hence, this review mainly focused on recent experimental, epidemiological, and clinical studies about natural AR inhibitors, particularly the association between dietary intake of natural antiandrogens and reduced risk of prostatic diseases. Since natural products offer multiple advantages over synthetic antiandrogens, this review may provide a comprehensive and updated overview of dietary-derived AR inhibitors, as well as their potential for the nutritional intervention against prostatic disorders.
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Affiliation(s)
- Li Ren
- College of Food Science and Engineering, Jilin University, Changchun, China
| | - Tiehua Zhang
- College of Food Science and Engineering, Jilin University, Changchun, China
| | - Jie Zhang
- College of Food Science and Engineering, Jilin University, Changchun, China
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2
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Chen X, Tian J, Wang S, Wang C, Zong L. Toward Bicalutamide Analogues with High Structural Diversity Using Catalytic Asymmetric Oxohydroxylation. J Org Chem 2024; 89:3907-3911. [PMID: 38427963 DOI: 10.1021/acs.joc.3c02735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2024]
Abstract
A catalytic enantioselective synthesis of bicalutamide derivatives with promising potentials in prostate cancer treatment has been disclosed. The key intermediates, α-hydroxy-β-keto esters, were efficiently constructed through cinchoninium-mediated asymmetric oxohydroxylation of easily accessible alkenes with potassium permanganate. Good yields and high levels of asymmetric induction are achieved. This method provides a new synthetic route to bicalutamide analogues with high structural diversity, which will beneficially support subsequent structure-activity relationship studies and boost prostate cancer drug development.
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Affiliation(s)
- Xinrui Chen
- Fujian Provincial Key Laboratory of Innovative Drug Target Research, School of Pharmaceutical Sciences, Xiamen University, Xiamen 361102, China
| | - Jinxin Tian
- Fujian Provincial Key Laboratory of Innovative Drug Target Research, School of Pharmaceutical Sciences, Xiamen University, Xiamen 361102, China
| | - Shuangshuang Wang
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Chao Wang
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Lili Zong
- Fujian Provincial Key Laboratory of Innovative Drug Target Research, School of Pharmaceutical Sciences, Xiamen University, Xiamen 361102, China
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3
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Doamekpor SK, Peng P, Xu R, Ma L, Tong Y, Tong L. A partially open conformation of an androgen receptor ligand-binding domain with drug-resistance mutations. Acta Crystallogr F Struct Biol Commun 2023; 79:95-104. [PMID: 36995121 PMCID: PMC10071832 DOI: 10.1107/s2053230x23002224] [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: 12/27/2022] [Accepted: 03/07/2023] [Indexed: 03/31/2023] Open
Abstract
Mutations in the androgen receptor (AR) ligand-binding domain (LBD) can cause resistance to drugs used to treat prostate cancer. Commonly found mutations include L702H, W742C, H875Y, F877L and T878A, while the F877L mutation can convert second-generation antagonists such as enzalutamide and apalutamide into agonists. However, pruxelutamide, another second-generation AR antagonist, has no agonist activity with the F877L and F877L/T878A mutants and instead maintains its inhibitory activity against them. Here, it is shown that the quadruple mutation L702H/H875Y/F877L/T878A increases the soluble expression of AR LBD in complex with pruxelutamide in Escherichia coli. The crystal structure of the quadruple mutant in complex with the agonist dihydrotestosterone (DHT) reveals a partially open conformation of the AR LBD due to conformational changes in the loop connecting helices H11 and H12 (the H11-H12 loop) and Leu881. This partially open conformation creates a larger ligand-binding site for AR. Additional structural studies suggest that both the L702H and F877L mutations are important for conformational changes. This structural variability in the AR LBD could affect ligand binding as well as the resistance to antagonists.
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Affiliation(s)
- Selom K. Doamekpor
- Department of Biological Sciences, Columbia University, New York, NY 10027, USA
| | - Panfeng Peng
- Suzhou Kintor Pharmaceuticals Inc, No. 20 Songbei Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, People’s Republic of China
| | - Ruo Xu
- Suzhou Kintor Pharmaceuticals Inc, No. 20 Songbei Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, People’s Republic of China
| | - Liandong Ma
- Suzhou Kintor Pharmaceuticals Inc, No. 20 Songbei Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, People’s Republic of China
| | - Youzhi Tong
- Suzhou Kintor Pharmaceuticals Inc, No. 20 Songbei Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, People’s Republic of China
| | - Liang Tong
- Department of Biological Sciences, Columbia University, New York, NY 10027, USA
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4
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Hwang DJ, He Y, Ponnusamy S, Thiyagarajan T, Mohler ML, Narayanan R, Miller DD. Metabolism-Guided Selective Androgen Receptor Antagonists: Design, Synthesis, and Biological Evaluation for Activity against Enzalutamide-Resistant Prostate Cancer. J Med Chem 2023; 66:3372-3392. [PMID: 36825758 PMCID: PMC10243532 DOI: 10.1021/acs.jmedchem.2c01858] [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: 02/25/2023]
Abstract
A major challenge for new drug discovery in the area of androgen receptor (AR) antagonists lies in predicting the druggable properties that will enable small molecules to retain their potency and stability during further studies in vitro and in vivo. Indole (compound 8) is a first-in-class AR antagonist with very high potency (IC50 = 0.085 μM) but is metabolically unstable. During the metabolic studies described herein, we synthesized new small molecules that exhibit significantly improved stability while retaining potent antagonistic activity for an AR. This structure-activity relationship (SAR) study of more than 50 compounds classified with three classes (Class I, II, and III) and discovered two compounds (32c and 35i) that are potent AR antagonists (e.g., IC50 = 0.021 μM, T1/2 = 120 min for compound 35i). The new antagonists exhibited improved in vivo pharmacokinetics (PK) with high efficacy antiandrogen activity in Hershberger and antiandrogen Enz-Res tumor xenograft models that overexpress AR (LNCaP-AR).
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Affiliation(s)
- Dong-Jin Hwang
- Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, Tennessee 38163, United States
| | - Yali He
- Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, Tennessee 38163, United States
| | - Suriyan Ponnusamy
- Department of Medicine, University of Tennessee Health Science Center, Memphis, Tennessee 38163, United States
| | - Thirumagal Thiyagarajan
- Department of Medicine, University of Tennessee Health Science Center, Memphis, Tennessee 38163, United States
| | - Michael L Mohler
- Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, Tennessee 38163, United States
| | - Ramesh Narayanan
- Department of Medicine, University of Tennessee Health Science Center, Memphis, Tennessee 38163, United States
| | - Duane D Miller
- Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, Tennessee 38163, United States
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5
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Radaeva M, Li H, LeBlanc E, Dalal K, Ban F, Ciesielski F, Chow B, Morin H, Awrey S, Singh K, Rennie PS, Lallous N, Cherkasov A. Structure-Based Study to Overcome Cross-Reactivity of Novel Androgen Receptor Inhibitors. Cells 2022; 11:cells11182785. [PMID: 36139361 PMCID: PMC9497135 DOI: 10.3390/cells11182785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 08/31/2022] [Accepted: 09/02/2022] [Indexed: 11/16/2022] Open
Abstract
The mutation-driven transformation of clinical anti-androgen drugs into agonists of the human androgen receptor (AR) represents a major challenge for the treatment of prostate cancer patients. To address this challenge, we have developed a novel class of inhibitors targeting the DNA-binding domain (DBD) of the receptor, which is distanced from the androgen binding site (ABS) targeted by all conventional anti-AR drugs and prone to resistant mutations. While many members of the developed 4-(4-phenylthiazol-2-yl)morpholine series of AR-DBD inhibitors demonstrated the effective suppression of wild-type AR, a few represented by 4-(4-(3-fluoro-2-methoxyphenyl)thiazol-2-yl)morpholine (VPC14368) exhibited a partial agonistic effect toward the mutated T878A form of the receptor, implying their cross-interaction with the AR ABS. To study the molecular basis of the observed cross-reactivity, we co-crystallized the T878A mutated form of the AR ligand binding domain (LBD) with a bound VPC14368 molecule. Computational modelling revealed that helix 12 of AR undergoes a characteristic shift upon VPC14368 binding causing the agonistic behaviour. Based on the obtained structural data we then designed derivatives of VPC14368 to successfully eliminate the cross-reactivity towards the AR ABS, while maintaining significant anti-AR DBD potency.
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Affiliation(s)
- Mariia Radaeva
- Vancouver Prostate Centre, University of British Columbia, 2660 Oak Street, Vancouver, BC V6H 3Z6, Canada
| | - Huifang Li
- Vancouver Prostate Centre, University of British Columbia, 2660 Oak Street, Vancouver, BC V6H 3Z6, Canada
| | - Eric LeBlanc
- Vancouver Prostate Centre, University of British Columbia, 2660 Oak Street, Vancouver, BC V6H 3Z6, Canada
| | - Kush Dalal
- Vancouver Prostate Centre, University of British Columbia, 2660 Oak Street, Vancouver, BC V6H 3Z6, Canada
| | - Fuqiang Ban
- Vancouver Prostate Centre, University of British Columbia, 2660 Oak Street, Vancouver, BC V6H 3Z6, Canada
| | | | - Bonny Chow
- Vancouver Prostate Centre, University of British Columbia, 2660 Oak Street, Vancouver, BC V6H 3Z6, Canada
| | - Helene Morin
- Vancouver Prostate Centre, University of British Columbia, 2660 Oak Street, Vancouver, BC V6H 3Z6, Canada
| | - Shannon Awrey
- Vancouver Prostate Centre, University of British Columbia, 2660 Oak Street, Vancouver, BC V6H 3Z6, Canada
| | - Kriti Singh
- Vancouver Prostate Centre, University of British Columbia, 2660 Oak Street, Vancouver, BC V6H 3Z6, Canada
| | - Paul S. Rennie
- Vancouver Prostate Centre, University of British Columbia, 2660 Oak Street, Vancouver, BC V6H 3Z6, Canada
| | - Nada Lallous
- Vancouver Prostate Centre, University of British Columbia, 2660 Oak Street, Vancouver, BC V6H 3Z6, Canada
- Correspondence: (N.L.); (A.C.)
| | - Artem Cherkasov
- Vancouver Prostate Centre, University of British Columbia, 2660 Oak Street, Vancouver, BC V6H 3Z6, Canada
- Correspondence: (N.L.); (A.C.)
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6
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Abstract
The androgen receptor (AR) plays a key role in the maintenance of muscle and bone and the support of male sexual-related functions, as well as in the progression of prostate cancer. Accordingly, AR-targeted therapies have been developed for the treatment of related human diseases and conditions. AR agonists are an important class of drugs in the treatment of bone loss and muscle atrophy. AR antagonists have also been developed for the treatment of prostate cancer, including metastatic castration-resistant prostate cancer (mCRPC). Additionally, selective AR degraders (SARDs) have been reported. More recently, heterobifunctional degrader molecules of AR have been developed, and four such compounds are now in clinical development for the treatment of human prostate cancer. This review attempts to summarize the different types of compounds designed to target AR and the current frontiers of research on this important therapeutic target.
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Affiliation(s)
- Weiguo Xiang
- Departments of Internal Medicine, Pharmacology and Medicinal Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Shaomeng Wang
- Departments of Internal Medicine, Pharmacology and Medicinal Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
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7
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Tan C, Yang SJ, Zhao DH, Li J, Yin LQ. Antihypertensive activity of indole and indazole analogues: A review. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.103756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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8
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Overview of the development of selective androgen receptor modulators (SARMs) as pharmacological treatment for osteoporosis (1998–2021). Eur J Med Chem 2022; 230:114119. [DOI: 10.1016/j.ejmech.2022.114119] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 12/20/2021] [Accepted: 01/09/2022] [Indexed: 02/08/2023]
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9
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Shao G, Bao J, Pan X, He X, Qi Y, Zhang JZH. Computational Analysis of Residue-Specific Binding Free Energies of Androgen Receptor to Ligands. Front Mol Biosci 2021; 8:646524. [PMID: 33778009 PMCID: PMC7994597 DOI: 10.3389/fmolb.2021.646524] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Accepted: 01/14/2021] [Indexed: 11/13/2022] Open
Abstract
Androgen receptor (AR) is an important therapeutic target for the treatment of diseases such as prostate cancer, hypogonadism, muscle wasting, etc. In this study, the complex structures of the AR ligand-binding domain (LBD) with fifteen ligands were analyzed by molecular dynamics simulations combined with the alanine-scanning-interaction-entropy method (ASIE). The quantitative free energy contributions of the pocket residues were obtained and hotspot residues are quantitatively identified. Our calculation shows that that these hotspot residues are predominantly hydrophobic and their interactions with binding ligands are mainly van der Waals interactions. The total binding free energies obtained by summing over binding contributions by individual residues are in good correlation with the experimental binding data. The current quantitative analysis of binding mechanism of AR to ligands provides important insight on the design of future inhibitors.
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Affiliation(s)
- Guangfeng Shao
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, Shanghai Key Laboratory of Green Chemistry and Chemical Process, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China
| | - Jingxiao Bao
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, Shanghai Key Laboratory of Green Chemistry and Chemical Process, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China
| | - Xiaolin Pan
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, Shanghai Key Laboratory of Green Chemistry and Chemical Process, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China
| | - Xiao He
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, Shanghai Key Laboratory of Green Chemistry and Chemical Process, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China.,NYU-ECNU Center for Computational Chemistry at NYU, Shanghai, China
| | - Yifei Qi
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, Shanghai Key Laboratory of Green Chemistry and Chemical Process, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China.,NYU-ECNU Center for Computational Chemistry at NYU, Shanghai, China
| | - John Z H Zhang
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, Shanghai Key Laboratory of Green Chemistry and Chemical Process, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China.,NYU-ECNU Center for Computational Chemistry at NYU, Shanghai, China.,Department of Chemistry, New York University, New York, NY, United States
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10
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Nakamura S, Saito R, Yamamoto S, Kobayashi I, Takeda R, Suzuki R, Kawai K, Takimoto-Kamimura M, Kurita N. Proposal of novel potent inhibitors against androgen receptor based on ab initio molecular orbital calculations. J Mol Graph Model 2021; 105:107873. [PMID: 33640786 DOI: 10.1016/j.jmgm.2021.107873] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 02/10/2021] [Accepted: 02/11/2021] [Indexed: 11/19/2022]
Abstract
The androgen receptor (AR), a family of nuclear receptor proteins, stimulates the transcription of androgen-responsive genes. As its abnormal activation can cause the progression of prostate cancer, numerous types of ligands for AR have been developed as promising antagonists for the treatment of prostate cancer. We previously investigated the specific interactions between AR and nine types of existing non-steroidal ligands, using molecular simulations based on molecular mechanics and ab initio fragment molecular orbital methods. The results were confirmed to be comparable to the binding affinities of these ligands observed in experiments. We here propose novel ligands as potent inhibitors against AR and investigate their binding properties to AR, using the same molecular simulations. The results indicate that the most promising ligand binds stronger to AR than the existing non-steroidal ligands, and that our proposed ligand binds strongly to a mutant-type AR, which has drug resistance to the existing non-steroidal ligands.
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Affiliation(s)
- Shunya Nakamura
- Department of Computer Science and Engineering, Toyohashi University of Technology, Tempaku-cho, Toyohashi, Aichi, 441-8580, Japan
| | - Ryosuke Saito
- Department of Computer Science and Engineering, Toyohashi University of Technology, Tempaku-cho, Toyohashi, Aichi, 441-8580, Japan
| | - Shohei Yamamoto
- Department of Computer Science and Engineering, Toyohashi University of Technology, Tempaku-cho, Toyohashi, Aichi, 441-8580, Japan
| | - Ittetsu Kobayashi
- Department of Computer Science and Engineering, Toyohashi University of Technology, Tempaku-cho, Toyohashi, Aichi, 441-8580, Japan
| | - Ryosuke Takeda
- Department of Computer Science and Engineering, Toyohashi University of Technology, Tempaku-cho, Toyohashi, Aichi, 441-8580, Japan
| | - Rie Suzuki
- Department of Computer Science and Engineering, Toyohashi University of Technology, Tempaku-cho, Toyohashi, Aichi, 441-8580, Japan
| | - Kentaro Kawai
- Faculty of Pharmaceutical Sciences, Setsunan University, 45-1, Nagaotoge-cho, Hirakata, Osaka, 573-0101, Japan
| | - Midori Takimoto-Kamimura
- Teijin Institute for Bio-Medical Research, Teijin Pharma Ltd., 4-3-2 Asahigaoka, Hino, Tokyo, 191-8512, Japan
| | - Noriyuki Kurita
- Department of Computer Science and Engineering, Toyohashi University of Technology, Tempaku-cho, Toyohashi, Aichi, 441-8580, Japan.
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11
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Kandil SB, Kariuki BM, McGuigan C, Westwell AD. Synthesis, biological evaluation and X-ray analysis of bicalutamide sulfoxide analogues for the potential treatment of prostate cancer. Bioorg Med Chem Lett 2021; 36:127817. [PMID: 33513386 DOI: 10.1016/j.bmcl.2021.127817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 01/09/2021] [Accepted: 01/19/2021] [Indexed: 10/22/2022]
Abstract
The androgen receptor (AR) is a pivotal target for the treatment of prostate cancer (PC) even when the disease progresses toward androgen-independent or castration-resistant forms. In this study, a series of sulfoxide derivatives were prepared and their antiproliferative activity evaluated in vitro against four different human prostate cancer cell lines (22Rv1, DU-145, LNCaP and VCap). Bicalutamide and enzalutamide were used as positive controls. Compound 28 displayed significant enhancement in anticancer activity across the four PC cell lines with IC50 = 9.09 - 31.11 µM compared to the positive controls: bicalutamide (IC50 = 45.20 -51.61 µM) and enzalutamide (IC50 = 11.47 - 53.04 µM). Sulfoxide derivatives of bicalutamide were prepared efficiently from the corresponding sulfides using only one equivalent of mCPBA, limiting the reaction time to 15-30 min and maintaining the temperature at 0 °C. Interestingly, three pairs of sulfoxide diastereomers were separated and NMR comparison of their diastereotopic methylene (CH2) group is presented. X-ray diffraction crystal structure analysis provided relative configuration assignment at the chiral sulfur and carbon centres. Molecular modelling study of the four diastereoisomers of compound 28 is described.
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Affiliation(s)
- Sahar B Kandil
- School of Pharmacy & Pharmaceutical Sciences, Cardiff University, Cardiff, CF10 3NB, Wales, United Kingdom.
| | - Benson M Kariuki
- School of Chemistry, Cardiff University, Park Place, Cardiff, CF10 3AT, Wales, United Kingdom
| | - Christopher McGuigan
- School of Pharmacy & Pharmaceutical Sciences, Cardiff University, Cardiff, CF10 3NB, Wales, United Kingdom
| | - Andrew D Westwell
- School of Pharmacy & Pharmaceutical Sciences, Cardiff University, Cardiff, CF10 3NB, Wales, United Kingdom
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12
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Synthesis and Biological Evaluation of Bicalutamide Analogues for the Potential Treatment of Prostate Cancer. Molecules 2020; 26:molecules26010056. [PMID: 33374450 PMCID: PMC7795644 DOI: 10.3390/molecules26010056] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 12/20/2020] [Accepted: 12/22/2020] [Indexed: 11/16/2022] Open
Abstract
The androgen receptor (AR) is a pivotal target for the treatment of prostate cancer (PC) even when the disease progresses toward androgen-independent or castration-resistant forms. In this study, a series of 15 bicalutamide analogues (sulfide, deshydroxy, sulfone, and O-acetylated) were prepared and their antiproliferative activity evaluated against four different human prostate cancer cell lines (22Rv1, DU-145, LNCaP, and VCap). Bicalutamide and enzalutamide were used as positive controls. Seven of these compounds displayed remarkable enhancement in anticancer activity across the four PC cell lines. The deshydroxy analogue (16) was the most active compound with IC50 = 6.59-10.86 µM. Molecular modeling offers a plausible explanation of the higher activity of the sulfide analogues compared to their sulfone counterparts.
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13
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Christiansen AR, Lipshultz LI, Hotaling JM, Pastuszak AW. Selective androgen receptor modulators: the future of androgen therapy? Transl Androl Urol 2020; 9:S135-S148. [PMID: 32257854 PMCID: PMC7108998 DOI: 10.21037/tau.2019.11.02] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Selective androgen receptor modulators (SARMs) are small molecule drugs that function as either androgen receptor (AR) agonists or antagonists. Variability in AR regulatory proteins in target tissues permits SARMs to selectively elicit anabolic benefits while eschewing the pitfalls of traditional androgen therapy. SARMs have few side effects and excellent oral and transdermal bioavailability and may, therefore, represent viable alternatives to current androgen therapies. SARMs have been studied as possible therapies for many conditions, including osteoporosis, Alzheimer’s disease, breast cancer, stress urinary incontinence (SUI), prostate cancer (PCa), benign prostatic hyperplasia (BPH), male contraception, hypogonadism, Duchenne muscular dystrophy (DMD), and sarcopenia/muscle wasting/cancer cachexia. While there are no indications for SARMs currently approved by the Food and Drug Administration (FDA), many potential applications are still being explored, and results are promising. In this review, we examine the literature assessing the use of SARMS for a number of indications.
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Affiliation(s)
| | - Larry I Lipshultz
- Scott Department of Urology.,Center for Reproductive Medicine, Baylor College of Medicine, Houston, TX, USA
| | - James M Hotaling
- Division of Urology, Department of Surgery, University of Utah School of Medicine, Salt Lake City, UT, USA
| | - Alexander W Pastuszak
- Division of Urology, Department of Surgery, University of Utah School of Medicine, Salt Lake City, UT, USA
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14
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Kuhn B, Gilberg E, Taylor R, Cole J, Korb O. How Significant Are Unusual Protein-Ligand Interactions? Insights from Database Mining. J Med Chem 2019; 62:10441-10455. [PMID: 31730345 DOI: 10.1021/acs.jmedchem.9b01545] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
We present a new approach to derive interaction propensities of protein-ligand atom pairs from mining of the Protein Data Bank. To ensure solid statistics, we use a line-of-sight contact filter and normalize the observed frequency of hits by a statistical null model based on exposed surface areas of atom types in the protein-ligand binding site. This allows us to investigate which intermolecular interactions and geometries are found more often than expected by chance in protein-ligand complexes. We focus our study on some of the unusual interactions that were postulated to be favorable, including σ-hole bonding of halogen and sulfur atoms, weak hydrogen bonding with fluorine as acceptor, and different types of dipolar interactions. Our results confirm some and challenge other common assumptions on these interactions and highlight other contact types that are yet underexplored in structure-based drug design.
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Affiliation(s)
- Bernd Kuhn
- Roche Pharma Research and Early Development, Roche Innovation Center Basel , F. Hoffmann-La Roche Ltd. , Grenzacherstrasse 124 , CH-4070 Basel , Switzerland
| | - Erik Gilberg
- Roche Pharma Research and Early Development, Roche Innovation Center Basel , F. Hoffmann-La Roche Ltd. , Grenzacherstrasse 124 , CH-4070 Basel , Switzerland
| | - Robin Taylor
- Cambridge Crystallographic Data Centre , 12 Union Road , Cambridge CB2 1EZ , U.K
| | - Jason Cole
- Cambridge Crystallographic Data Centre , 12 Union Road , Cambridge CB2 1EZ , U.K
| | - Oliver Korb
- Roche Pharma Research and Early Development, Roche Innovation Center Basel , F. Hoffmann-La Roche Ltd. , Grenzacherstrasse 124 , CH-4070 Basel , Switzerland
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15
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Zierau O, Kolodziejczyk A, Vollmer G, Machalz D, Wolber G, Thieme D, Keiler AM. Comparison of the three SARMs RAD-140, GLPG0492 and GSK-2881078 in two different in vitro bioassays, and in an in silico androgen receptor binding assay. J Steroid Biochem Mol Biol 2019; 189:81-86. [PMID: 30825507 DOI: 10.1016/j.jsbmb.2019.02.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 01/28/2019] [Accepted: 02/26/2019] [Indexed: 10/27/2022]
Abstract
Selective androgen receptor modulators comprise compounds that bind as ligands to the androgen receptor and possess tissue-selective activities. Ideally, they show agonistic properties in anabolic target tissues, while inducing antagonistic or only weak agonistic effects in reproductive organs. Due to their myoanabolic effects, selective androgen receptor modulators are included in the list of prohibited substances and methods of the World Anti-Doping Agency. In the current investigation, the androgenic potential of RAD-140, GSK-2881078 and GLPG0492 was comparably investigated in two different in vitro bioassays. In the yeast androgen screen, the androgenic effects were lower than in the reporter gene assay in prostate carcinoma cells (e.g. for GSK-2881078, the EC50 values were 4.44 × 10-6M in the yeast screen and 3.99 × 10-9M in the prostate cells respectively). For future investigations, it is of importance whether the yeast androgen screen, which has been proven to detect androgenic compounds in urine, can detect an abuse of the selective androgen receptor modulators. Molecular modeling of the binding to the androgen receptor ligand binding domain suggests slight differences in the binding modes of RAD-140, GSK-2881078 and GLPG0492. In conclusion, androgenic activity of the three non-steroidal compounds in the two different in vitro test systems confirmed the results of the in silico modeling of the androgen receptor binding.
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Affiliation(s)
- Oliver Zierau
- Molecular Cell Physiology and Endocrinology, Institute of Zoology, Technical University Dresden, Germany
| | - Annika Kolodziejczyk
- Molecular Cell Physiology and Endocrinology, Institute of Zoology, Technical University Dresden, Germany
| | - Günter Vollmer
- Molecular Cell Physiology and Endocrinology, Institute of Zoology, Technical University Dresden, Germany
| | - David Machalz
- Pharmaceutical and Medicinal Chemistry (Computer-Aided Drug Design), Institute of Pharmacy, Freie Universität Berlin, Germany
| | - Gerhard Wolber
- Pharmaceutical and Medicinal Chemistry (Computer-Aided Drug Design), Institute of Pharmacy, Freie Universität Berlin, Germany
| | - Detlef Thieme
- Institute of Doping Analysis and Sports Biochemistry Dresden, Kreischa, Germany
| | - Annekathrin Martina Keiler
- Molecular Cell Physiology and Endocrinology, Institute of Zoology, Technical University Dresden, Germany; Institute of Doping Analysis and Sports Biochemistry Dresden, Kreischa, Germany.
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16
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Ahinko M, Niinivehmas S, Jokinen E, Pentikäinen OT. Suitability ofMMGBSAfor the selection of correct ligand binding modes from docking results. Chem Biol Drug Des 2018; 93:522-538. [DOI: 10.1111/cbdd.13446] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Revised: 11/01/2018] [Accepted: 11/11/2018] [Indexed: 01/21/2023]
Affiliation(s)
- Mira Ahinko
- Department of Biological and Environmental Science & Nanoscience CenterUniversity of Jyvaskyla, MedChem.fi Jyvaskyla Finland
| | - Sanna Niinivehmas
- Department of Biological and Environmental Science & Nanoscience CenterUniversity of Jyvaskyla, MedChem.fi Jyvaskyla Finland
- Institute of Biomedicine, Integrative Physiology and PharmacologyUniversity of Turku, MedChem.fi Turku Finland
| | - Elmeri Jokinen
- Institute of Biomedicine, Integrative Physiology and PharmacologyUniversity of Turku, MedChem.fi Turku Finland
| | - Olli T. Pentikäinen
- Department of Biological and Environmental Science & Nanoscience CenterUniversity of Jyvaskyla, MedChem.fi Jyvaskyla Finland
- Institute of Biomedicine, Integrative Physiology and PharmacologyUniversity of Turku, MedChem.fi Turku Finland
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17
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Hwang DJ, He Y, Ponnusamy S, Mohler ML, Thiyagarajan T, McEwan IJ, Narayanan R, Miller DD. New Generation of Selective Androgen Receptor Degraders: Our Initial Design, Synthesis, and Biological Evaluation of New Compounds with Enzalutamide-Resistant Prostate Cancer Activity. J Med Chem 2018; 62:491-511. [DOI: 10.1021/acs.jmedchem.8b00973] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Dong-Jin Hwang
- Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, Tennessee 38163, United States
| | - Yali He
- Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, Tennessee 38163, United States
| | - Suriyan Ponnusamy
- Department of Medicine, University of Tennessee Health Science Center, Memphis, Tennessee 38163, United States
| | - Michael L. Mohler
- Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, Tennessee 38163, United States
- GTx, Inc., Memphis, Tennessee 38103, United States
| | - Thirumagal Thiyagarajan
- Department of Medicine, University of Tennessee Health Science Center, Memphis, Tennessee 38163, United States
| | - Iain J. McEwan
- School of Medicine, Medical Sciences and Nutrition, Institute of Medical Sciences, University of Aberdeen, Aberdeen AB25 2ZD, Scotland, U.K
| | - Ramesh Narayanan
- Department of Medicine, University of Tennessee Health Science Center, Memphis, Tennessee 38163, United States
| | - Duane D. Miller
- Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, Tennessee 38163, United States
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18
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Trisciuzzi D, Alberga D, Mansouri K, Judson R, Novellino E, Mangiatordi GF, Nicolotti O. Predictive Structure-Based Toxicology Approaches To Assess the Androgenic Potential of Chemicals. J Chem Inf Model 2017; 57:2874-2884. [PMID: 29022712 DOI: 10.1021/acs.jcim.7b00420] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
We present a practical and easy-to-run in silico workflow exploiting a structure-based strategy making use of docking simulations to derive highly predictive classification models of the androgenic potential of chemicals. Models were trained on a high-quality chemical collection comprising 1689 curated compounds made available within the CoMPARA consortium from the US Environmental Protection Agency and were integrated with a two-step applicability domain whose implementation had the effect of improving both the confidence in prediction and statistics by reducing the number of false negatives. Among the nine androgen receptor X-ray solved structures, the crystal 2PNU (entry code from the Protein Data Bank) was associated with the best performing structure-based classification model. Three validation sets comprising each 2590 compounds extracted by the DUD-E collection were used to challenge model performance and the effectiveness of Applicability Domain implementation. Next, the 2PNU model was applied to screen and prioritize two collections of chemicals. The first is a small pool of 12 representative androgenic compounds that were accurately classified based on outstanding rationale at the molecular level. The second is a large external blind set of 55450 chemicals with potential for human exposure. We show how the use of molecular docking provides highly interpretable models and can represent a real-life option as an alternative nontesting method for predictive toxicology.
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Affiliation(s)
- Daniela Trisciuzzi
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari "Aldo Moro" , Via E. Orabona 4, I-70126 Bari, Italy
| | - Domenico Alberga
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari "Aldo Moro" , Via E. Orabona 4, I-70126 Bari, Italy.,Centro Ricerche TIRES, Università degli Studi di Bari "Aldo Moro" , Via Amendola 173, I-70126 Bari, Italy
| | - Kamel Mansouri
- Oak Ridge Institute for Science and Education , Oak Ridge, Tennessee 37830, United States.,National Center for Computational Toxicology, U.S. Environmental Protection Agency , 109 T.W. Alexander Drive, Research Triangle Park, North Carolina 27711, United States.,ScitoVation LLC , 6 Davis Drive, Research Triangle Park, North Carolina 27709, United States
| | - Richard Judson
- National Center for Computational Toxicology, U.S. Environmental Protection Agency , 109 T.W. Alexander Drive, Research Triangle Park, North Carolina 27711, United States
| | - Ettore Novellino
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II" , Via D. Montesano 49, 80131 Napoli, Italy
| | - Giuseppe Felice Mangiatordi
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari "Aldo Moro" , Via E. Orabona 4, I-70126 Bari, Italy.,Centro Ricerche TIRES, Università degli Studi di Bari "Aldo Moro" , Via Amendola 173, I-70126 Bari, Italy
| | - Orazio Nicolotti
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari "Aldo Moro" , Via E. Orabona 4, I-70126 Bari, Italy.,Centro Ricerche TIRES, Università degli Studi di Bari "Aldo Moro" , Via Amendola 173, I-70126 Bari, Italy
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19
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Specific interactions between androgen receptor and its ligand: ab initio molecular orbital calculations in water. J Mol Graph Model 2017. [DOI: 10.1016/j.jmgm.2017.06.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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20
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Abstract
Numerous selective androgen receptor modulators (SARMs) with differing chemical structures and nearly ideal pharmacological and pharmacokinetic properties have been developed that are well tolerated and selectively increase lean body mass in humans. However, definitive demonstration of the linkage between lean body mass and physical function in a relevant, large patient population has remained elusive for a SARM. The clinical endpoints serving as their basis of approval have shifted with time and clinical indication and are likely to continue to do so as the field matures with additional safety and efficacy data pertaining to the relationship between lean body mass and physical function, regulatory decisions with SARMs and other agents, and yet unexplored clinical indications.
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Affiliation(s)
- James T Dalton
- University of Michigan College of Pharmacy, Ann Arbor, MI, USA
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21
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In silico selection and cell-based characterization of selective and bioactive compounds for androgen-dependent prostate cancer cell. Bioorg Med Chem Lett 2016; 27:546-550. [PMID: 28011219 DOI: 10.1016/j.bmcl.2016.12.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Revised: 12/05/2016] [Accepted: 12/07/2016] [Indexed: 12/25/2022]
Abstract
Prostate cancer is one of the most prevalent types of cancer in male population. It is a hormone driven disease, especially in its initial phase. Hence, androgen deprivation therapy (ADT) is the major chemotherapeutic effort and novel AR inhibitors with improved pharmacological profiles are needed. In this report, a novel bioactive compound was selected and investigated using in silico and cell-based assays. Neq0502 compound was selective for the testosterone stimulated AR-dependent prostate cancer cell (LNCaP, GI50=22.4μM) when compared with unstimulated LNCaP or AR-insensitive (DU145 and PC-3) cell lines. Cell cycle arrest study provided the same profile for Neq0502 and the reference drug enzalutamide. Moreover, this compound is not cytotoxic for fibroblast Balb/C 3T3 clone A31 cells up to 250μM, with a good selectivity ratio (SI>11), which could be used in compound optimization effort to a novel therapeutic alternative.
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22
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Petiwala SM, Li G, Bosland MC, Lantvit DD, Petukhov PA, Johnson JJ. Carnosic acid promotes degradation of the androgen receptor and is regulated by the unfolded protein response pathwayin vitroandin vivo. Carcinogenesis 2016; 37:827-838. [DOI: 10.1093/carcin/bgw052] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2015] [Accepted: 04/11/2016] [Indexed: 02/07/2023] Open
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23
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Li G, Petiwala SM, Yan M, Won JH, Petukhov PA, Johnson JJ. Gartanin, an isoprenylated xanthone from the mangosteen fruit (Garcinia mangostana), is an androgen receptor degradation enhancer. Mol Nutr Food Res 2016; 60:1458-69. [DOI: 10.1002/mnfr.201600037] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Revised: 02/23/2016] [Accepted: 02/29/2016] [Indexed: 01/23/2023]
Affiliation(s)
- Gongbo Li
- Department of Pharmacy Practice; University of Illinois at Chicago College of Pharmacy; Chicago USA
| | - Sakina M. Petiwala
- Department of Pharmacy Practice; University of Illinois at Chicago College of Pharmacy; Chicago USA
| | - Miao Yan
- Department of Pharmacy Practice; University of Illinois at Chicago College of Pharmacy; Chicago USA
- Institute of Clinical Pharmacy, The Second Xiangya Hospital; Central South University; Changsha Hunan Province China
| | - Jong Hoon Won
- Department of Pharmacy Practice; University of Illinois at Chicago College of Pharmacy; Chicago USA
| | - Pavel A. Petukhov
- Department of Medicinal Chemistry and Pharmacognosy; University of Illinois at Chicago College of Pharmacy; Chicago USA
- University of Illinois Cancer Center; Chicago USA
| | - Jeremy J. Johnson
- Department of Pharmacy Practice; University of Illinois at Chicago College of Pharmacy; Chicago USA
- Department of Medicinal Chemistry and Pharmacognosy; University of Illinois at Chicago College of Pharmacy; Chicago USA
- University of Illinois Cancer Center; Chicago USA
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24
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Discovery of novel androgen receptor antagonists: a hybrid approach of pharmacophore-based and docking-based virtual screening. Anticancer Drugs 2015; 26:747-53. [PMID: 25933245 DOI: 10.1097/cad.0000000000000245] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Androgen receptor (AR) is an attractive target for the treatment of prostate cancer. An integrated pharmacophore-based and docking-based virtual screening approach was applied to identify novel AR antagonists with a distinct scaffold. The candidate compounds were evaluated for their abilities to inhibit prostate cancer cell proliferation and AR target gene prostate-specific antigen gene expression as well as the binding affinity to AR. A potent lead compound, T3, was discovered with the ability to inhibit prostate-specific antigen expression, with a similar binding affinity to AR, and with antiproliferative effects on AR-positive prostate cancer cells similar to that of MDV3100.
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25
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Pi M, Kapoor K, Wu Y, Ye R, Senogles SE, Nishimoto SK, Hwang DJ, Miller DD, Narayanan R, Smith JC, Baudry J, Quarles LD. Structural and Functional Evidence for Testosterone Activation of GPRC6A in Peripheral Tissues. Mol Endocrinol 2015; 29:1759-73. [PMID: 26440882 DOI: 10.1210/me.2015-1161] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
G protein-coupled receptor (GPCR) family C group 6 member A (GPRC6A) is a multiligand GPCR that is activated by cations, L-amino acids, and osteocalcin. GPRC6A plays an important role in the regulation of testosterone (T) production and energy metabolism in mice. T has rapid, transcription-independent (nongenomic) effects that are mediated by a putative GPCR. We previously found that T can activate GPRC6A in vitro, but the possibility that T is a ligand for GPRC6A remains controversial. Here, we demonstrate direct T binding to GPRC6A and construct computational structural models of GPRC6A that are used to identify potential binding poses of T. Mutations of the predicted binding site residues were experimentally found to block T activation of GPRC6A, in agreement with the modeling. Using Gpr6ca(-/-) mice, we confirmed that loss of GPRC6A resulted in loss of T rapid signaling responses and elucidated several biological functions regulated by GPRC6A-dependent T rapid signaling, including T stimulation of insulin secretion in pancreatic islets and enzyme expression involved in the biosynthesis of T in Leydig cells. Finally, we identified a stereo-specific effect of an R-isomer of a selective androgen receptor modulator that is predicted to bind to and shown to activate GPRC6A but not androgen receptor. Together, our data show that GPRC6A directly mediates the rapid signaling response to T and uncovers previously unrecognized endocrine networks.
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Affiliation(s)
- Min Pi
- Departments of Medicine (M.P., Y.W., R.Y., R.N., L.D.Q.) and Microbiology, Immunology and Biochemistry (S.E.S., S.K.N.), and Pharmaceutical Sciences (D.-J.H., D.D.M.), College of Pharmacy, University of Tennessee Health Science Center, Memphis, Tennessee 38163; University of Tennessee/Oak Ridge National Laboratory Center for Molecular Biophysics (K.K., J.C.S., J.B.), Oak Ridge, Tennessee 37830; and Department of Biochemistry and Cellular and Molecular Biology (J.C.S., J.B.), University of Tennessee, Knoxville, Tennessee 37996
| | - Karan Kapoor
- Departments of Medicine (M.P., Y.W., R.Y., R.N., L.D.Q.) and Microbiology, Immunology and Biochemistry (S.E.S., S.K.N.), and Pharmaceutical Sciences (D.-J.H., D.D.M.), College of Pharmacy, University of Tennessee Health Science Center, Memphis, Tennessee 38163; University of Tennessee/Oak Ridge National Laboratory Center for Molecular Biophysics (K.K., J.C.S., J.B.), Oak Ridge, Tennessee 37830; and Department of Biochemistry and Cellular and Molecular Biology (J.C.S., J.B.), University of Tennessee, Knoxville, Tennessee 37996
| | - Yunpeng Wu
- Departments of Medicine (M.P., Y.W., R.Y., R.N., L.D.Q.) and Microbiology, Immunology and Biochemistry (S.E.S., S.K.N.), and Pharmaceutical Sciences (D.-J.H., D.D.M.), College of Pharmacy, University of Tennessee Health Science Center, Memphis, Tennessee 38163; University of Tennessee/Oak Ridge National Laboratory Center for Molecular Biophysics (K.K., J.C.S., J.B.), Oak Ridge, Tennessee 37830; and Department of Biochemistry and Cellular and Molecular Biology (J.C.S., J.B.), University of Tennessee, Knoxville, Tennessee 37996
| | - Ruisong Ye
- Departments of Medicine (M.P., Y.W., R.Y., R.N., L.D.Q.) and Microbiology, Immunology and Biochemistry (S.E.S., S.K.N.), and Pharmaceutical Sciences (D.-J.H., D.D.M.), College of Pharmacy, University of Tennessee Health Science Center, Memphis, Tennessee 38163; University of Tennessee/Oak Ridge National Laboratory Center for Molecular Biophysics (K.K., J.C.S., J.B.), Oak Ridge, Tennessee 37830; and Department of Biochemistry and Cellular and Molecular Biology (J.C.S., J.B.), University of Tennessee, Knoxville, Tennessee 37996
| | - Susan E Senogles
- Departments of Medicine (M.P., Y.W., R.Y., R.N., L.D.Q.) and Microbiology, Immunology and Biochemistry (S.E.S., S.K.N.), and Pharmaceutical Sciences (D.-J.H., D.D.M.), College of Pharmacy, University of Tennessee Health Science Center, Memphis, Tennessee 38163; University of Tennessee/Oak Ridge National Laboratory Center for Molecular Biophysics (K.K., J.C.S., J.B.), Oak Ridge, Tennessee 37830; and Department of Biochemistry and Cellular and Molecular Biology (J.C.S., J.B.), University of Tennessee, Knoxville, Tennessee 37996
| | - Satoru K Nishimoto
- Departments of Medicine (M.P., Y.W., R.Y., R.N., L.D.Q.) and Microbiology, Immunology and Biochemistry (S.E.S., S.K.N.), and Pharmaceutical Sciences (D.-J.H., D.D.M.), College of Pharmacy, University of Tennessee Health Science Center, Memphis, Tennessee 38163; University of Tennessee/Oak Ridge National Laboratory Center for Molecular Biophysics (K.K., J.C.S., J.B.), Oak Ridge, Tennessee 37830; and Department of Biochemistry and Cellular and Molecular Biology (J.C.S., J.B.), University of Tennessee, Knoxville, Tennessee 37996
| | - Dong-Jin Hwang
- Departments of Medicine (M.P., Y.W., R.Y., R.N., L.D.Q.) and Microbiology, Immunology and Biochemistry (S.E.S., S.K.N.), and Pharmaceutical Sciences (D.-J.H., D.D.M.), College of Pharmacy, University of Tennessee Health Science Center, Memphis, Tennessee 38163; University of Tennessee/Oak Ridge National Laboratory Center for Molecular Biophysics (K.K., J.C.S., J.B.), Oak Ridge, Tennessee 37830; and Department of Biochemistry and Cellular and Molecular Biology (J.C.S., J.B.), University of Tennessee, Knoxville, Tennessee 37996
| | - Duane D Miller
- Departments of Medicine (M.P., Y.W., R.Y., R.N., L.D.Q.) and Microbiology, Immunology and Biochemistry (S.E.S., S.K.N.), and Pharmaceutical Sciences (D.-J.H., D.D.M.), College of Pharmacy, University of Tennessee Health Science Center, Memphis, Tennessee 38163; University of Tennessee/Oak Ridge National Laboratory Center for Molecular Biophysics (K.K., J.C.S., J.B.), Oak Ridge, Tennessee 37830; and Department of Biochemistry and Cellular and Molecular Biology (J.C.S., J.B.), University of Tennessee, Knoxville, Tennessee 37996
| | - Ramesh Narayanan
- Departments of Medicine (M.P., Y.W., R.Y., R.N., L.D.Q.) and Microbiology, Immunology and Biochemistry (S.E.S., S.K.N.), and Pharmaceutical Sciences (D.-J.H., D.D.M.), College of Pharmacy, University of Tennessee Health Science Center, Memphis, Tennessee 38163; University of Tennessee/Oak Ridge National Laboratory Center for Molecular Biophysics (K.K., J.C.S., J.B.), Oak Ridge, Tennessee 37830; and Department of Biochemistry and Cellular and Molecular Biology (J.C.S., J.B.), University of Tennessee, Knoxville, Tennessee 37996
| | - Jeremy C Smith
- Departments of Medicine (M.P., Y.W., R.Y., R.N., L.D.Q.) and Microbiology, Immunology and Biochemistry (S.E.S., S.K.N.), and Pharmaceutical Sciences (D.-J.H., D.D.M.), College of Pharmacy, University of Tennessee Health Science Center, Memphis, Tennessee 38163; University of Tennessee/Oak Ridge National Laboratory Center for Molecular Biophysics (K.K., J.C.S., J.B.), Oak Ridge, Tennessee 37830; and Department of Biochemistry and Cellular and Molecular Biology (J.C.S., J.B.), University of Tennessee, Knoxville, Tennessee 37996
| | - Jerome Baudry
- Departments of Medicine (M.P., Y.W., R.Y., R.N., L.D.Q.) and Microbiology, Immunology and Biochemistry (S.E.S., S.K.N.), and Pharmaceutical Sciences (D.-J.H., D.D.M.), College of Pharmacy, University of Tennessee Health Science Center, Memphis, Tennessee 38163; University of Tennessee/Oak Ridge National Laboratory Center for Molecular Biophysics (K.K., J.C.S., J.B.), Oak Ridge, Tennessee 37830; and Department of Biochemistry and Cellular and Molecular Biology (J.C.S., J.B.), University of Tennessee, Knoxville, Tennessee 37996
| | - L Darryl Quarles
- Departments of Medicine (M.P., Y.W., R.Y., R.N., L.D.Q.) and Microbiology, Immunology and Biochemistry (S.E.S., S.K.N.), and Pharmaceutical Sciences (D.-J.H., D.D.M.), College of Pharmacy, University of Tennessee Health Science Center, Memphis, Tennessee 38163; University of Tennessee/Oak Ridge National Laboratory Center for Molecular Biophysics (K.K., J.C.S., J.B.), Oak Ridge, Tennessee 37830; and Department of Biochemistry and Cellular and Molecular Biology (J.C.S., J.B.), University of Tennessee, Knoxville, Tennessee 37996
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26
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Petit-Topin I, Fay M, Resche-Rigon M, Ulmann A, Gainer E, Rafestin-Oblin ME, Fagart J. Molecular determinants of the recognition of ulipristal acetate by oxo-steroid receptors. J Steroid Biochem Mol Biol 2014; 144 Pt B:427-35. [PMID: 25204619 DOI: 10.1016/j.jsbmb.2014.08.008] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2014] [Revised: 07/31/2014] [Accepted: 08/07/2014] [Indexed: 11/16/2022]
Abstract
The human progesterone receptor (PR) plays a key role in reproductive function in women. PR antagonists have numerous applications in female health care including regular and emergency contraception, and treatment of hormone-related pathological conditions such as breast cancer, endometriosis, and leiomyoma. The main factor limiting their long-term administration is the fact that they cross-bind to other oxo-steroid receptors. Ulipristal acetate (UPA), a highly potent PR antagonist, has recently come onto the market and is much more selective for PR than the other oxo-steroid receptors (androgen, AR, glucocorticoid, GR, and mineralocorticoid, MR receptors) and, remarkably, it displays lower GR-inactivating potency than RU486. We adopted a structural approach to characterizing the binding of UPA to the oxo-steroid receptors at the molecular level. We solved the X-ray crystal structure of the ligand-binding domain (LBD) of the human PR complexed with UPA and a peptide from the transcriptional corepressor SMRT. We used the X-ray crystal structure of the GR in its antagonist conformation to dock UPA within its ligand-binding cavity. Finally, we generated three-dimensional models of the LBD of androgen and mineralocorticoid receptors (AR and MR) in an antagonist conformation and docked UPA within them. Comparing the structures revealed that the network of stabilizing contacts between the UPA C11 aryl group and the LBD is responsible for its high PR antagonist potency. It also showed that it is the inability of UPA to contact Gln642 in GR that explains why it has lower potency in inactivating GR than RU486. Finally, we found that the binding pockets of AR and MR are too small to accommodate UPA, and allowed us to propose that the extremely low sensitivity of MR to UPA is due to inappropriate interactions with the C11 substituent. All these findings open new avenues for designing new PR antagonist compounds displaying greater selectivity.
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MESH Headings
- Binding Sites
- Crystallography, X-Ray
- HEK293 Cells
- Hormone Antagonists/pharmacology
- Humans
- Models, Molecular
- Norpregnadienes/pharmacology
- Protein Conformation
- Receptors, Androgen/chemistry
- Receptors, Androgen/metabolism
- Receptors, Mineralocorticoid/chemistry
- Receptors, Mineralocorticoid/metabolism
- Receptors, Progesterone/agonists
- Receptors, Progesterone/antagonists & inhibitors
- Receptors, Progesterone/chemistry
- Receptors, Progesterone/metabolism
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Affiliation(s)
- I Petit-Topin
- Inserm U773, Centre de Recherche Biomédicale Bichat-Beaujon CRB3, Paris, France; Université Denis Diderot, Site Bichat, Paris, France
| | - M Fay
- Inserm U773, Centre de Recherche Biomédicale Bichat-Beaujon CRB3, Paris, France; Université Denis Diderot, Site Bichat, Paris, France
| | | | - A Ulmann
- Laboratoire HRA Pharma, Paris, France
| | - E Gainer
- Laboratoire HRA Pharma, Paris, France
| | - M-E Rafestin-Oblin
- Inserm U773, Centre de Recherche Biomédicale Bichat-Beaujon CRB3, Paris, France; Université Denis Diderot, Site Bichat, Paris, France
| | - J Fagart
- Inserm U773, Centre de Recherche Biomédicale Bichat-Beaujon CRB3, Paris, France; Université Denis Diderot, Site Bichat, Paris, France; Inserm U693, Le Kremlin - Bicêtre F94276, France; Faculté de Médecine Paris-Sud, Univ Paris-Sud, UMR-S693, Le Kremlin - Bicêtre F94276, France.
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27
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Nagata N, Furuya K, Oguro N, Nishiyama D, Kawai K, Yamamoto N, Ohyabu Y, Satsukawa M, Miyakawa M. Lead evaluation of tetrahydroquinolines as nonsteroidal selective androgen receptor modulators for the treatment of osteoporosis. ChemMedChem 2013; 9:197-206. [PMID: 24273094 DOI: 10.1002/cmdc.201300348] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2013] [Revised: 10/24/2013] [Indexed: 11/11/2022]
Abstract
Tetrahydroquinoline (THQ) was deemed to be a suitable scaffold for our nonsteroidal selective androgen receptor modulator (SARM) concept. We adapted the strategy of switching the antagonist function of cyano-group-containing THQ (CN-THQ) to the agonist function and optimized CN-THQ as an orally available drug candidate with suitable pharmacological and ADME profiles. Based on binding mode analyses and synthetic accessibility, we designed and synthesized a compound that possesses a para-substituted aromatic ring attached through an amide linker. The long-tail THQ derivative 6-acetamido-N-(2-(8-cyano-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinolin-4-yl)-2-methylpropyl)nicotinamide (1 d), which bears a para-acetamide-substituted aromatic group, showed an appropriate in vitro biological profile, as expected. We considered that the large conformational change at Trp741 of the androgen receptor (AR) and the hydrogen bond between 1 d and helix 12 of the AR could maintain the structure of the AR in its agonist form; indeed, 1 d displays strong AR agonistic activity. Furthermore, 1 d showed an appropriate in vivo profile for use as an orally available SARM, displaying clear tissue selectivity, with a separation between its desirable osteoanabolic effect on femoral bone mineral density and its undesirable virilizing effects on the uterus and clitoral gland in a female osteoporosis model.
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Affiliation(s)
- Naoya Nagata
- Central Research Laboratories, Kaken Pharmaceutical Co. Ltd. 14 Shinomiya, Minamikawara-cho, Yamashina, Kyoto 607-8042 (Japan).
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28
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Li H, Hassona MDH, Lack NA, Axerio-Cilies P, Leblanc E, Tavassoli P, Kanaan N, Frewin K, Singh K, Adomat H, Böhm KJ, Prinz H, Guns ET, Rennie PS, Cherkasov A. Characterization of a new class of androgen receptor antagonists with potential therapeutic application in advanced prostate cancer. Mol Cancer Ther 2013; 12:2425-35. [PMID: 23939374 DOI: 10.1158/1535-7163.mct-13-0267] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The human androgen receptor plays a major role in the development and progression of prostate cancer and represents a well-established drug target. All clinically approved androgen receptor antagonists possess similar chemical structures and exhibit the same mode of action on the androgen receptor. Although initially effective, resistance to these androgen receptor antagonists usually develops and the cancer quickly progresses to castration-resistant and metastatic states. Yet even in these late-stage patients, the androgen receptor is critical for the progression of the disease. Thus, there is a continuing need for novel chemical classes of androgen receptor antagonists that could help overcome the problem of resistance. In this study, we implemented and used the synergetic combination of virtual and experimental screening to discover a number of new 10-benzylidene-10H-anthracen-9-ones that not only effectively inhibit androgen receptor transcriptional activity, but also induce almost complete degradation of the androgen receptor. Of these 10-benzylidene-10H-anthracen-9-one analogues, a lead compound (VPC-3033) was identified that showed strong androgen displacement potency, effectively inhibited androgen receptor transcriptional activity, and possesses a profound ability to cause degradation of androgen receptor. Notably, VPC-3033 exhibited significant activity against prostate cancer cells that have already developed resistance to the second-generation antiandrogen enzalutamide (formerly known as MDV3100). VPC-3033 also showed strong antiandrogen receptor activity in the LNCaP in vivo xenograft model. These results provide a foundation for the development of a new class of androgen receptor antagonists that can help address the problem of antiandrogen resistance in prostate cancer.
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Affiliation(s)
- Huifang Li
- Corresponding Author: Artem Cherkasov, Vancouver Prostate Centre, University of British Columbia, 2660 Oak Street, Vancouver, British Columbia, Canada V6H 3Z6.
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29
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Abstract
Androgenic steroids are important for male development in utero and secondary sexual characteristics at puberty. In addition, androgens play a role in non-reproductive tissues, such as bone and muscle in both sexes. The actions of the androgens testosterone and dihydrotestosterone are mediated by a single receptor protein, the androgen receptor. Over the last 60–70 years there has been considerable research interest in the development of inhibitors of androgen receptor for the management of diseases such as prostate cancer. However, more recently, there is also a growing appreciation of the need for selective androgen modulators that would demonstrate tissue-selective agonist or antagonist activity. The chemistry and biology of selective agonists, antagonists and selective androgen receptor modulators will be discussed in this review.
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30
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Gianti E, Zauhar RJ. Modeling androgen receptor flexibility: a binding mode hypothesis of CYP17 inhibitors/antiandrogens for prostate cancer therapy. J Chem Inf Model 2012; 52:2670-83. [PMID: 22924551 DOI: 10.1021/ci3002342] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Prostate Cancer (PCa), a leading cause of cancer death worldwide (www.cancer.gov), is a complex malignancy where a spectrum of targets leads to a diversity of PCa forms. A widely pursued therapeutic target is the Androgen Receptor (AR). As a Steroid Hormone Receptor, AR serves as activator of transcription upon binding to androgens and plays a central role in the development of PCa. AR is a structurally flexible protein, and conformational plasticity of residues in the binding-pocket is a key to its ability to accommodate ligands from various chemical classes. Besides direct modulation of AR activity by antagonists, inhibition of cytochrome CYP17 (17α-hydroxylase/17,20-lyase), essential in androgen biosynthesis, has widely been considered an effective strategy against PCa. Interestingly, Handratta et al. (2005) discovered new, potent inhibitors of CYP17 (C-17 steroid derivatives) with pure AR antagonistic properties. Although the antiandrogenic activity of their lead compound (VN/124-1) has been experimentally proven both in vitro and in vivo, no structural data are currently available to elucidate the molecular determinants responsible for these desirable dual inhibitory properties. We implemented a Structure-based Drug Design (SBDD) approach to generate a valuable hypothesis as to the binding modes of steroidal CYP17 inhibitors/antiandrogens against the AR. To deal with the plasticity of residues buried in the Ligand Binding Domain (LBD), we developed a flexible-receptor Docking protocol based on Induced-Fit (IFD) methodology (www.schrodinger.com/). Our results constitute an ideal starting point for the rational design of next-generation analogues of CYP17 inhibitors/antiandrogens as well as an attractive tool to suggest novel chemical classes of AR antagonists.
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Affiliation(s)
- Eleonora Gianti
- Department of Chemistry & Biochemistry, University of the Sciences, 600 S. 43rd Street, Philadelphia, Pennsylvania 19104, USA
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31
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Nique F, Hebbe S, Peixoto C, Annoot D, Lefrançois JM, Duval E, Michoux L, Triballeau N, Lemoullec JM, Mollat P, Thauvin M, Prangé T, Minet D, Clément-Lacroix P, Robin-Jagerschmidt C, Fleury D, Guédin D, Deprez P. Discovery of Diarylhydantoins as New Selective Androgen Receptor Modulators. J Med Chem 2012; 55:8225-35. [DOI: 10.1021/jm300249m] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- François Nique
- GALAPAGOS, Parc
Biocitech, 102 Avenue Gaston Roussel, 93230 Romainville, France
| | - Séverine Hebbe
- GALAPAGOS, Parc
Biocitech, 102 Avenue Gaston Roussel, 93230 Romainville, France
| | - Christophe Peixoto
- GALAPAGOS, Parc
Biocitech, 102 Avenue Gaston Roussel, 93230 Romainville, France
| | - Denis Annoot
- GALAPAGOS, Parc
Biocitech, 102 Avenue Gaston Roussel, 93230 Romainville, France
| | | | - Eric Duval
- GALAPAGOS, Parc
Biocitech, 102 Avenue Gaston Roussel, 93230 Romainville, France
| | - Laurence Michoux
- GALAPAGOS, Parc
Biocitech, 102 Avenue Gaston Roussel, 93230 Romainville, France
| | - Nicolas Triballeau
- GALAPAGOS, Parc
Biocitech, 102 Avenue Gaston Roussel, 93230 Romainville, France
| | | | - Patrick Mollat
- GALAPAGOS, Parc
Biocitech, 102 Avenue Gaston Roussel, 93230 Romainville, France
| | - Maxime Thauvin
- UMR 8015 CNRS, Université Paris Descartes, 4 Avenue de l’Observatoire,
75006 Paris, France
| | - Thierry Prangé
- UMR 8015 CNRS, Université Paris Descartes, 4 Avenue de l’Observatoire,
75006 Paris, France
| | - Dominique Minet
- GALAPAGOS, Parc
Biocitech, 102 Avenue Gaston Roussel, 93230 Romainville, France
| | | | | | - Damien Fleury
- GALAPAGOS, Parc
Biocitech, 102 Avenue Gaston Roussel, 93230 Romainville, France
| | - Denis Guédin
- GALAPAGOS, Parc
Biocitech, 102 Avenue Gaston Roussel, 93230 Romainville, France
| | - Pierre Deprez
- GALAPAGOS, Parc
Biocitech, 102 Avenue Gaston Roussel, 93230 Romainville, France
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32
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Lusher SJ, Raaijmakers HCA, Vu-Pham D, Kazemier B, Bosch R, McGuire R, Azevedo R, Hamersma H, Dechering K, Oubrie A, van Duin M, de Vlieg J. X-ray structures of progesterone receptor ligand binding domain in its agonist state reveal differing mechanisms for mixed profiles of 11β-substituted steroids. J Biol Chem 2012; 287:20333-43. [PMID: 22535964 DOI: 10.1074/jbc.m111.308403] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
We present here the x-ray structures of the progesterone receptor (PR) in complex with two mixed profile PR modulators whose functional activity results from two differing molecular mechanisms. The structure of Asoprisnil bound to the agonist state of PR demonstrates the contribution of the ligand to increasing stability of the agonist conformation of helix-12 via a specific hydrogen-bond network including Glu(723). This interaction is absent when the full antagonist, RU486, binds to PR. Combined with a previously reported structure of Asoprisnil bound to the antagonist state of the receptor, this structure extends our understanding of the complex molecular interactions underlying the mixed agonist/antagonist profile of the compound. In addition, we present the structure of PR in its agonist conformation bound to the mixed profile compound Org3H whose reduced antagonistic activity and increased agonistic activity compared with reference antagonists is due to an induced fit around Trp(755), resulting in a decreased steric clash with Met(909) but inducing a new internal clash with Val(912) in helix-12. This structure also explains the previously published observation that 16α attachments to RU486 analogs induce mixed profiles by altering the binding of 11β substituents. Together these structures further our understanding of the steric and electrostatic factors that contribute to the function of steroid receptor modulators, providing valuable insight for future compound design.
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Affiliation(s)
- Scott J Lusher
- Departments of Molecular Design and Informatics, MSD, P. O. Box 20, 5340 BH, Oss, The
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33
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Dalvit C, Vulpetti A. Fluorine-protein interactions and ¹⁹F NMR isotropic chemical shifts: An empirical correlation with implications for drug design. ChemMedChem 2011; 6:104-14. [PMID: 21117131 DOI: 10.1002/cmdc.201000412] [Citation(s) in RCA: 84] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
An empirical correlation between the fluorine isotropic chemical shifts, measured by ¹⁹F NMR spectroscopy, and the type of fluorine-protein interactions observed in crystal structures is presented. The CF, CF₂, and CF₃ groups present in fluorinated ligands found in the Protein Data Bank were classified according to their ¹⁹F NMR chemical shifts and their close intermolecular contacts with the protein atoms. Shielded fluorine atoms, i.e., those with increased electron density, are observed primarily in close contact to hydrogen bond donors within the protein structure, suggesting the possibility of intermolecular hydrogen bond formation. Deshielded fluorines are predominantly found in close contact with hydrophobic side chains and with the carbon of carbonyl groups of the protein backbone. Correlation between the ¹⁹F NMR chemical shift and hydrogen bond distance, both derived experimentally and computed through quantum chemical methods, is also presented. The proposed "rule of shielding" provides some insight into and guidelines for the judicious selection of appropriate fluorinated moieties to be inserted into a molecule for making the most favorable interactions with the receptor.
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Affiliation(s)
- Claudio Dalvit
- Italian Institute of Technology, Drug Discovery and Development Department, Genova, Italy.
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34
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Liu B, Su L, Geng J, Liu J, Zhao G. Developments in Nonsteroidal Antiandrogens Targeting the Androgen Receptor. ChemMedChem 2010; 5:1651-61. [DOI: 10.1002/cmdc.201000259] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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35
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Meyers MJ, Arhancet GB, Hockerman SL, Chen X, Long SA, Mahoney MW, Rico JR, Garland DJ, Blinn JR, Collins JT, Yang S, Huang HC, McGee KF, Wendling JM, Dietz JD, Payne MA, Homer BL, Heron MI, Reitz DB, Hu X. Discovery of (3S,3aR)-2-(3-Chloro-4-cyanophenyl)-3-cyclopentyl-3,3a,4,5-tetrahydro-2H-benzo[g]indazole-7-carboxylic Acid (PF-3882845), an Orally Efficacious Mineralocorticoid Receptor (MR) Antagonist for Hypertension and Nephropathy. J Med Chem 2010; 53:5979-6002. [PMID: 20672822 DOI: 10.1021/jm100505n] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Marvin J. Meyers
- St. Louis Laboratories, Pfizer Global Research and Development, Pfizer, Inc., 700 Chesterfield Parkway West, Chesterfield, Missouri 63017
| | - Graciela B. Arhancet
- St. Louis Laboratories, Pfizer Global Research and Development, Pfizer, Inc., 700 Chesterfield Parkway West, Chesterfield, Missouri 63017
| | - Susan L. Hockerman
- St. Louis Laboratories, Pfizer Global Research and Development, Pfizer, Inc., 700 Chesterfield Parkway West, Chesterfield, Missouri 63017
| | - Xiangyang Chen
- St. Louis Laboratories, Pfizer Global Research and Development, Pfizer, Inc., 700 Chesterfield Parkway West, Chesterfield, Missouri 63017
| | - Scott A. Long
- St. Louis Laboratories, Pfizer Global Research and Development, Pfizer, Inc., 700 Chesterfield Parkway West, Chesterfield, Missouri 63017
| | - Matthew W. Mahoney
- St. Louis Laboratories, Pfizer Global Research and Development, Pfizer, Inc., 700 Chesterfield Parkway West, Chesterfield, Missouri 63017
| | - Joseph R. Rico
- St. Louis Laboratories, Pfizer Global Research and Development, Pfizer, Inc., 700 Chesterfield Parkway West, Chesterfield, Missouri 63017
| | - Danny J. Garland
- St. Louis Laboratories, Pfizer Global Research and Development, Pfizer, Inc., 700 Chesterfield Parkway West, Chesterfield, Missouri 63017
| | - James. R. Blinn
- St. Louis Laboratories, Pfizer Global Research and Development, Pfizer, Inc., 700 Chesterfield Parkway West, Chesterfield, Missouri 63017
| | - Joe T. Collins
- St. Louis Laboratories, Pfizer Global Research and Development, Pfizer, Inc., 700 Chesterfield Parkway West, Chesterfield, Missouri 63017
| | - Shengtian Yang
- St. Louis Laboratories, Pfizer Global Research and Development, Pfizer, Inc., 700 Chesterfield Parkway West, Chesterfield, Missouri 63017
| | - Horng-Chih Huang
- St. Louis Laboratories, Pfizer Global Research and Development, Pfizer, Inc., 700 Chesterfield Parkway West, Chesterfield, Missouri 63017
| | - Kevin F. McGee
- Albany Molecular Research, Inc., 26 Corporate Circle, Albany, New York 12203
| | - Jay M. Wendling
- St. Louis Laboratories, Pfizer Global Research and Development, Pfizer, Inc., 700 Chesterfield Parkway West, Chesterfield, Missouri 63017
| | - Jessica D. Dietz
- St. Louis Laboratories, Pfizer Global Research and Development, Pfizer, Inc., 700 Chesterfield Parkway West, Chesterfield, Missouri 63017
| | - Maria A. Payne
- St. Louis Laboratories, Pfizer Global Research and Development, Pfizer, Inc., 700 Chesterfield Parkway West, Chesterfield, Missouri 63017
| | - Bruce L. Homer
- St. Louis Laboratories, Pfizer Global Research and Development, Pfizer, Inc., 700 Chesterfield Parkway West, Chesterfield, Missouri 63017
| | - Marcia I. Heron
- St. Louis Laboratories, Pfizer Global Research and Development, Pfizer, Inc., 700 Chesterfield Parkway West, Chesterfield, Missouri 63017
| | - David B. Reitz
- St. Louis Laboratories, Pfizer Global Research and Development, Pfizer, Inc., 700 Chesterfield Parkway West, Chesterfield, Missouri 63017
| | - Xiao Hu
- St. Louis Laboratories, Pfizer Global Research and Development, Pfizer, Inc., 700 Chesterfield Parkway West, Chesterfield, Missouri 63017
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36
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Jones A, Hwang DJ, Duke CB, He Y, Siddam A, Miller DD, Dalton JT. Nonsteroidal selective androgen receptor modulators enhance female sexual motivation. J Pharmacol Exp Ther 2010; 334:439-48. [PMID: 20444881 DOI: 10.1124/jpet.110.168880] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Women experience a decline in estrogen and androgen levels after natural or surgically induced menopause, effects that are associated with a loss of sexual desire and bone mineral density. Studies in our laboratories have shown the beneficial effects of selective androgen receptor modulators (SARMs) in the treatment of osteoporosis and muscle wasting in animal models. A series of S-3-(phenoxy)-2-hydroxy-2-methyl-N-(4-cyano-3-trifluoromethyl-phenyl)-propionamide analogs was synthesized to evaluate the effects of B-ring substitutions on in vitro and in vivo pharmacologic activity, especially female sexual motivation. The androgen receptor (AR) relative binding affinities ranged from 0.1 to 26.5% (relative to dihydrotestosterone) and demonstrated a range of agonist activity at 100 nM. In vivo pharmacologic activity was first assessed by using male rats. Structural modifications to the B-ring significantly affected the selectivity of the SARMs, demonstrating that single-atom substitutions can dramatically and unexpectedly influence activity in androgenic (i.e., prostate) and anabolic (i.e., muscle) tissues. (S)-N-(4-cyano-3-trifluoromethyl-phenyl)-3-(3-fluoro,4-chlorophenoxy)-2-hydroxy-2-methyl-propanamide (S-23) displayed full agonist activity in androgenic and anabolic tissues; however, the remaining SARMs were more prostate-sparing, selectively maintaining the size of the levator ani muscle in castrated rats. The partner-preference paradigm was used to evaluate the effects of SARMs on female sexual motivation. With the exception of two four-halo substituted analogs, the SARMs increased sexual motivation in ovariectomized rats, with potency and efficacy comparable with testosterone propionate. These results indicate that the AR is important in regulating female libido given the nonaromatizable nature of SARMs and it could be a superior alternative to steroidal testosterone preparations in the treatment of hypoactive sexual desire disorder.
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Affiliation(s)
- Amanda Jones
- Division of Pharmaceutics, College of Pharmacy, Ohio State University, Columbus, Ohio, USA
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37
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Mohler ML, Bohl CE, Jones A, Coss CC, Narayanan R, He Y, Hwang DJ, Dalton JT, Miller DD. Nonsteroidal Selective Androgen Receptor Modulators (SARMs): Dissociating the Anabolic and Androgenic Activities of the Androgen Receptor for Therapeutic Benefit. J Med Chem 2009; 52:3597-617. [DOI: 10.1021/jm900280m] [Citation(s) in RCA: 158] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Michael L. Mohler
- Preclinical Research and Development, GTx, Inc., 3 North Dunlap Street, Memphis, Tennessee 38163, and Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, 847 Monroe Avenue, Memphis, Tennessee 38163
| | - Casey E. Bohl
- Preclinical Research and Development, GTx, Inc., 3 North Dunlap Street, Memphis, Tennessee 38163, and Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, 847 Monroe Avenue, Memphis, Tennessee 38163
| | - Amanda Jones
- Preclinical Research and Development, GTx, Inc., 3 North Dunlap Street, Memphis, Tennessee 38163, and Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, 847 Monroe Avenue, Memphis, Tennessee 38163
| | - Christopher C. Coss
- Preclinical Research and Development, GTx, Inc., 3 North Dunlap Street, Memphis, Tennessee 38163, and Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, 847 Monroe Avenue, Memphis, Tennessee 38163
| | - Ramesh Narayanan
- Preclinical Research and Development, GTx, Inc., 3 North Dunlap Street, Memphis, Tennessee 38163, and Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, 847 Monroe Avenue, Memphis, Tennessee 38163
| | - Yali He
- Preclinical Research and Development, GTx, Inc., 3 North Dunlap Street, Memphis, Tennessee 38163, and Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, 847 Monroe Avenue, Memphis, Tennessee 38163
| | - Dong Jin Hwang
- Preclinical Research and Development, GTx, Inc., 3 North Dunlap Street, Memphis, Tennessee 38163, and Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, 847 Monroe Avenue, Memphis, Tennessee 38163
| | - James T. Dalton
- Preclinical Research and Development, GTx, Inc., 3 North Dunlap Street, Memphis, Tennessee 38163, and Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, 847 Monroe Avenue, Memphis, Tennessee 38163
| | - Duane D. Miller
- Preclinical Research and Development, GTx, Inc., 3 North Dunlap Street, Memphis, Tennessee 38163, and Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, 847 Monroe Avenue, Memphis, Tennessee 38163
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