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Azhdari A, Azizi N. Design and preparation of HPW-anchored magnetic carbon nitride nanosheets: an efficient and eco-friendly nanocomposite for one-pot synthesis of α-amino phosphonates. RESEARCH ON CHEMICAL INTERMEDIATES 2021. [DOI: 10.1007/s11164-021-04545-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Witten MR, Wissler L, Snow M, Geschwindner S, Read JA, Brandon NJ, Nairn AC, Lombroso PJ, Käck H, Ellman JA. X-ray Characterization and Structure-Based Optimization of Striatal-Enriched Protein Tyrosine Phosphatase Inhibitors. J Med Chem 2017; 60:9299-9319. [PMID: 29116812 DOI: 10.1021/acs.jmedchem.7b01292] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Excessive activity of striatal-enriched protein tyrosine phosphatase (STEP) in the brain has been detected in numerous neuropsychiatric disorders including Alzheimer's disease. Notably, knockdown of STEP in an Alzheimer mouse model effected an increase in the phosphorylation levels of downstream STEP substrates and a significant reversal in the observed cognitive and memory deficits. These data point to the promising potential of STEP as a target for drug discovery in Alzheimer's treatment. We previously reported a substrate-based approach to the development of low molecular weight STEP inhibitors with Ki values as low as 7.8 μM. Herein, we disclose the first X-ray crystal structures of inhibitors bound to STEP and the surprising finding that they occupy noncoincident binding sites. Moreover, we utilize this structural information to optimize the inhibitor structure to achieve a Ki of 110 nM, with 15-60-fold selectivity across a series of phosphatases.
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Affiliation(s)
- Michael R Witten
- Department of Chemistry, Yale University , New Haven, Connecticut 06520, United States
| | - Lisa Wissler
- Discovery Sciences, Innovative Medicines and Early Development Biotech Unit, AstraZeneca , Gothenburg, Sweden
| | - Melanie Snow
- Discovery Sciences, Innovative Medicines and Early Development Biotech Unit, AstraZeneca , Macclesfield SK10 4TG, United Kingdom
| | - Stefan Geschwindner
- Discovery Sciences, Innovative Medicines and Early Development Biotech Unit, AstraZeneca , Gothenburg, Sweden
| | - Jon A Read
- Discovery Sciences, Innovative Medicines and Early Development Biotech Unit, AstraZeneca , Cambridge CB4 0WG, United Kingdom
| | - Nicholas J Brandon
- Neuroscience, Innovative Medicines and Early Development Biotech Unit, AstraZeneca , Cambridge, Massachusetts 02139, United States
| | - Angus C Nairn
- Department of Psychiatry, Yale University , New Haven, Connecticut 06520, United States
| | - Paul J Lombroso
- Department of Psychiatry, Yale University , New Haven, Connecticut 06520, United States.,Child Study Center, Yale University , New Haven, Connecticut 06520, United States
| | - Helena Käck
- Discovery Sciences, Innovative Medicines and Early Development Biotech Unit, AstraZeneca , Gothenburg, Sweden
| | - Jonathan A Ellman
- Department of Chemistry, Yale University , New Haven, Connecticut 06520, United States
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García Ruano JL, Alemán J, Parra A, Alcudia A, Maya C. Synthesis and Stereoselective Halogenolysis of Optically Pure Benzylstannanes. J Org Chem 2009; 74:2145-52. [DOI: 10.1021/jo802725r] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- José L. García Ruano
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, Cantoblanco 28049 Madrid, Spain, Departamento de Química Orgánica y Farmaceútica, Facultad de Farmacia, Universidad de Sevilla, 41017 Sevilla, Spain, and Departamento de Química Inorgánica y Farmaceútica, Facultad de Farmacia, Universidad de Sevilla, 41017 Sevilla, Spain
| | - José Alemán
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, Cantoblanco 28049 Madrid, Spain, Departamento de Química Orgánica y Farmaceútica, Facultad de Farmacia, Universidad de Sevilla, 41017 Sevilla, Spain, and Departamento de Química Inorgánica y Farmaceútica, Facultad de Farmacia, Universidad de Sevilla, 41017 Sevilla, Spain
| | - Alejandro Parra
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, Cantoblanco 28049 Madrid, Spain, Departamento de Química Orgánica y Farmaceútica, Facultad de Farmacia, Universidad de Sevilla, 41017 Sevilla, Spain, and Departamento de Química Inorgánica y Farmaceútica, Facultad de Farmacia, Universidad de Sevilla, 41017 Sevilla, Spain
| | - Ana Alcudia
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, Cantoblanco 28049 Madrid, Spain, Departamento de Química Orgánica y Farmaceútica, Facultad de Farmacia, Universidad de Sevilla, 41017 Sevilla, Spain, and Departamento de Química Inorgánica y Farmaceútica, Facultad de Farmacia, Universidad de Sevilla, 41017 Sevilla, Spain
| | - Celia Maya
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, Cantoblanco 28049 Madrid, Spain, Departamento de Química Orgánica y Farmaceútica, Facultad de Farmacia, Universidad de Sevilla, 41017 Sevilla, Spain, and Departamento de Química Inorgánica y Farmaceútica, Facultad de Farmacia, Universidad de Sevilla, 41017 Sevilla, Spain
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