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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: 4] [Impact Index Per Article: 4.0] [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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Sosa-Rueda J, Domínguez-Meléndez V, Ortiz-Celiseo A, López-Fentanes FC, Cuadrado C, Fernández JJ, Daranas AH, Cen-Pacheco F. Squamins C-F, four cyclopeptides from the seeds of Annona globiflora. PHYTOCHEMISTRY 2022; 194:112839. [PMID: 34332784 DOI: 10.1016/j.phytochem.2021.112839] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 05/22/2021] [Accepted: 06/10/2021] [Indexed: 06/13/2023]
Abstract
Four cyclic octapeptides, squamins C-F, were isolated from the seeds of Annona globiflora Schltdl. These compounds share part of their amino acid sequence, -Pro-Met(O)-Tyr-Gly-Thr-, with previously reported squamins A and B. Their structures were determined using NMR spectroscopic techniques together with quantum mechanical calculations (QM-NMR), ESI-HRMS data and a modified version of Marfey's chromatographic method. All compounds showed cytotoxic activity against DU-145 (human prostate cancer) and HeLa (human cervical carcinoma) cell lines. Clearly, A. globiflora is an important source of bioactive molecules, which could promote the sustainable exploitation of this undervalued specie.
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Affiliation(s)
- Javier Sosa-Rueda
- Facultad de Bioanálisis, Veracruz University, Iturbide s/n, 91700, Veracruz, Ver., Mexico
| | | | - Araceli Ortiz-Celiseo
- Facultad de Bioanálisis, Veracruz University, Iturbide s/n, 91700, Veracruz, Ver., Mexico; Instituto Tecnológico de Orizaba, Tecnológico Nacional de México Oriente 9, Emiliano Zapata, 94320, Orizaba, Ver., Mexico
| | | | - Cristina Cuadrado
- Instituto de Productos Naturales y Agrobiología del CSIC (IPNA-CSIC), La Laguna, 38206, Tenerife, Spain
| | - José J Fernández
- Instituto Universitario de Bio-Orgánica Antonio González (IUBO-AG), Departamento de Química Orgánica, University of La Laguna, Av. Astrofísico Francisco Sánchez 2, 38206, Tenerife, Spain
| | - Antonio Hernández Daranas
- Instituto de Productos Naturales y Agrobiología del CSIC (IPNA-CSIC), La Laguna, 38206, Tenerife, Spain
| | - Francisco Cen-Pacheco
- Facultad de Bioanálisis, Veracruz University, Iturbide s/n, 91700, Veracruz, Ver., Mexico; Instituto Universitario de Bio-Orgánica Antonio González (IUBO-AG), Departamento de Química Orgánica, University of La Laguna, Av. Astrofísico Francisco Sánchez 2, 38206, Tenerife, Spain.
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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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Gorunova ON, Novitskiy IM, Grishin YK, Gloriozov IP, Roznyatovsky VA, Khrustalev VN, Kochetkov KA, Dunina VV. Determination of the Absolute Configuration of CN-Palladacycles by 31P{1H} NMR Spectroscopy Using (1R,2S,5R)-Menthyloxydiphenylphosphine as the Chiral Derivatizing Agent: Efficient Chirality Transfer in Phosphinite Adducts. Organometallics 2016. [DOI: 10.1021/acs.organomet.5b00706] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Olga N. Gorunova
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova Street 28, 119991 Moscow, Russian Federation
| | - Ivan M. Novitskiy
- Department
of Chemistry, M.V. Lomonosov Moscow State University, Lenin Hills, 119991, Moscow, Russian Federation
| | - Yuri K. Grishin
- Department
of Chemistry, M.V. Lomonosov Moscow State University, Lenin Hills, 119991, Moscow, Russian Federation
| | - Igor P. Gloriozov
- Department
of Chemistry, M.V. Lomonosov Moscow State University, Lenin Hills, 119991, Moscow, Russian Federation
| | - Vitaly A. Roznyatovsky
- Department
of Chemistry, M.V. Lomonosov Moscow State University, Lenin Hills, 119991, Moscow, Russian Federation
| | - Victor N. Khrustalev
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova Street 28, 119991 Moscow, Russian Federation
- Inorganic Chemistry Department, Peoples’ Friendship University of Russia, Miklukho-Maklay Street 6, 117198 Moscow, Russian Federation
| | - Konstantin A. Kochetkov
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova Street 28, 119991 Moscow, Russian Federation
| | - Valery V. Dunina
- Department
of Chemistry, M.V. Lomonosov Moscow State University, Lenin Hills, 119991, Moscow, Russian Federation
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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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