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Wang N, Zhu S, Lv D, Wang Y, Khawar MB, Sun H. Allosteric modulation of SHP2: Quest from known to unknown. Drug Dev Res 2023; 84:1395-1410. [PMID: 37583266 DOI: 10.1002/ddr.22100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 07/15/2023] [Accepted: 07/25/2023] [Indexed: 08/17/2023]
Abstract
Src homology-2 domain-containing protein tyrosine phosphatase-2 (SHP2) is a key regulatory factor in the cell cycle and its activating mutations play an important role in the development of various cancers, making it an important target for antitumor drugs. Due to the highly conserved amino acid sequence and positively charged nature of the active site of SHP2, it is difficult to discover inhibitors with high affinity for the catalytic site of SHP2 and sufficient cell permeability, making it considered an "undruggable" target. However, the discovery of allosteric regulation mechanisms provides new opportunities for transforming undruggable targets into druggable ones. Given the limitations of orthosteric inhibitors, SHP2 allosteric inhibitors have become a more selective and safer research direction. In this review, we elucidate the oncogenic mechanism of SHP2 and summarize the discovery methods of SHP2 allosteric inhibitors, providing new strategies for the design and improvement of SHP2 allosteric inhibitors.
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Affiliation(s)
- Ning Wang
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China
- Jiangsu Key Laboratory of Experimental & Translational Non-coding RNA Research, Yangzhou, China
| | - Shilin Zhu
- Department of Oncology, Haian Hospital of Traditional Chinese Medicine, Haian, China
| | - Dan Lv
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China
- Jiangsu Key Laboratory of Experimental & Translational Non-coding RNA Research, Yangzhou, China
- School of Life Sciences, Anqing Normal University, Anqing, China
| | - Yajun Wang
- Department of Oncology, Haian Hospital of Traditional Chinese Medicine, Haian, China
| | - Muhammad B Khawar
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China
- Jiangsu Key Laboratory of Experimental & Translational Non-coding RNA Research, Yangzhou, China
- Applied Molecular Biology and Biomedicine Lab, Department of Zoology, University of Narowal, Narowal, Pakistan
| | - Haibo Sun
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China
- Jiangsu Key Laboratory of Experimental & Translational Non-coding RNA Research, Yangzhou, China
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2
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Small design from big alignment: engineering proteins with multiple sequence alignment as the starting point. Biotechnol Lett 2020; 42:1305-1315. [PMID: 32430802 DOI: 10.1007/s10529-020-02914-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Accepted: 05/14/2020] [Indexed: 02/08/2023]
Abstract
Multiple sequence alignment (MSA) is a fundamental way to gain information that cannot be obtained from the analysis of any individual sequence included in the alignment. It provides ways to investigate the relationship between sequence and function from a perspective of evolution. Thus, the MSA of proteins can be employed as a reference for protein engineering. In this paper, we reviewed the recent advances to highlight how protein engineering was benefited from the MSA of proteins. These methods include (1) engineering the thermostability or solubility of proteins by making it closer to the consensus sequence of the alignment through introducing site mutations; (2) structure-based engineering proteins with comparative modeling; (3) creating paleoenzymes featured with high thermostability and promiscuity by constructing the ancestral sequences derived from multiple sequence alignment; and (4) incorporating site-mutations targeting the evolutionarily coupled sites identified from multiple sequence alignment.
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3
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Wagner JR, Lee CT, Durrant JD, Malmstrom RD, Feher VA, Amaro RE. Emerging Computational Methods for the Rational Discovery of Allosteric Drugs. Chem Rev 2016; 116:6370-90. [PMID: 27074285 PMCID: PMC4901368 DOI: 10.1021/acs.chemrev.5b00631] [Citation(s) in RCA: 148] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
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Allosteric drug development holds
promise for delivering medicines
that are more selective and less toxic than those that target orthosteric
sites. To date, the discovery of allosteric binding sites and lead
compounds has been mostly serendipitous, achieved through high-throughput
screening. Over the past decade, structural data has become more readily
available for larger protein systems and more membrane protein classes
(e.g., GPCRs and ion channels), which are common allosteric drug targets.
In parallel, improved simulation methods now provide better atomistic
understanding of the protein dynamics and cooperative motions that
are critical to allosteric mechanisms. As a result of these advances,
the field of predictive allosteric drug development is now on the
cusp of a new era of rational structure-based computational methods.
Here, we review algorithms that predict allosteric sites based on
sequence data and molecular dynamics simulations, describe tools that
assess the druggability of these pockets, and discuss how Markov state
models and topology analyses provide insight into the relationship
between protein dynamics and allosteric drug binding. In each section,
we first provide an overview of the various method classes before
describing relevant algorithms and software packages.
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Affiliation(s)
- Jeffrey R Wagner
- Department of Chemistry & Biochemistry and ‡National Biomedical Computation Resource, University of California, San Diego , La Jolla, California 92093, United States
| | - Christopher T Lee
- Department of Chemistry & Biochemistry and ‡National Biomedical Computation Resource, University of California, San Diego , La Jolla, California 92093, United States
| | - Jacob D Durrant
- Department of Chemistry & Biochemistry and ‡National Biomedical Computation Resource, University of California, San Diego , La Jolla, California 92093, United States
| | - Robert D Malmstrom
- Department of Chemistry & Biochemistry and ‡National Biomedical Computation Resource, University of California, San Diego , La Jolla, California 92093, United States
| | - Victoria A Feher
- Department of Chemistry & Biochemistry and ‡National Biomedical Computation Resource, University of California, San Diego , La Jolla, California 92093, United States
| | - Rommie E Amaro
- Department of Chemistry & Biochemistry and ‡National Biomedical Computation Resource, University of California, San Diego , La Jolla, California 92093, United States
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4
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Jiang Q, Zhang J, Chen X, Xia M, Lu Y, Qiu W, Feng G, Zhao D, Li Y, He F, Peng G, Wang Y. A novel recombinant DNA vaccine encoding Mycobacterium tuberculosis ESAT-6 and FL protects against Mycobacterium tuberculosis challenge in mice. J Biomed Res 2013; 27:406-20. [PMID: 24086174 PMCID: PMC3783826 DOI: 10.7555/jbr.27.20120114] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2012] [Revised: 11/20/2012] [Accepted: 02/07/2013] [Indexed: 11/29/2022] Open
Abstract
Mycobacterium tuberculosis 6-kDa early secretory antigenic target (ESAT-6) is a dominant target antigen for cell-mediated immunity in the early phase of tuberculosis. The fms-like tyrosine kinase 3 ligand (FL) that induces potent immune response has been used as an adjuvant in vaccine development. In this study, a new recombinant plasmid (pIRES-epitope-peptides-FL) encoding three T cell epitopes of ESAT-6 and FL was constructed, and the immunogenicity of the DNA vaccine was assessed in C57BL/6 mice immunized with the plasmid DNA vaccine. Additionally, a strategy of intramuscular injection with the DNA vaccine (prime) and intranasal administration of the epitope peptides (boost) was employed to induce higher immune reaction of the mice. The results showed that mice vaccinated with the recombinant plasmid DNA vaccine and boosted with the peptides not only increased the levels of Th1 cytokines (IFN-γ and IL-12), the number of IFN-γ+ T cells and activities of cytotoxic T lymphocytes as well as IgG, but also enhanced protection against Mycobacterium tuberculosis challenge. In conclusion, these data indicate that the novel recombinant pIRES-epitope-peptides-FL plasmid is a useful DNA vaccine for preventing Mycobacterium tuberculosis infection.
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Affiliation(s)
- Qingtao Jiang
- Department of Microbiology and Immunology, Nanjing Medical University, Nanjing, Jiangsu 210029, China
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Anochie PI, Onyeneke EC, Ogu AC, Onyeozirila AC, Aluru S, Onyejepu N, Zhang J, Efere L, Adetunji MA, Sánchez JGB. Recent advances in the diagnosis of Mycobacterium tuberculosis. Germs 2012; 2:110-20. [PMID: 24432271 PMCID: PMC3882855 DOI: 10.11599/germs.2012.1021] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2012] [Accepted: 09/01/2012] [Indexed: 02/06/2023]
Abstract
Molecular technologies offer the greatest potential for laboratories in resource-rich countries because they have the highest sensitivity and specificity. Continued use of new technologies will be crucial in elucidating the true epidemiology and pathogenesis of a disease, including the less well studied diseases. Continued development of affordable, sensitive, and specific diagnostic tools will be required for use in resource-poor settings, where the incidence of disease is highest.
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Affiliation(s)
| | | | | | | | | | - Nneka Onyejepu
- Nigerian Institute of Medical Research, Yaba, Lagos, Nigeria
| | - Jian Zhang
- Ada Technologies Inc. Denver, Colorado, USA
| | - Lauretta Efere
- Nigerian Institute of Medical Research, Yaba, Lagos, Nigeria
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Dhanashekar R, Akkinepalli S, Nellutla A. Milk-borne infections. An analysis of their potential effect on the milk industry. Germs 2012; 2:101-9. [PMID: 24432270 DOI: 10.11599/germs.2012.1020] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2012] [Accepted: 06/26/2012] [Indexed: 12/13/2022]
Abstract
In developed countries such as the United States of America, foodborne illnesses account for 48 million infections per year. Developing countries such as India face greater simultaneous challenges particularly since incorrect processing or storage of dairy products can represent a transmission hazard for a large number of pathogens and can be responsible for outbreaks of brucellosis, listeriosis, tuberculosis, etc. It is important to recognize the types of germs which can be transmitted through insufficient thermal preparation of milk or milk products or through post-pasteurization contamination, in order to successfully avoid transmission of milk-borne infections.
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Affiliation(s)
- Revathi Dhanashekar
- B.Tech Biotechnology, Sri Indu College of Engineering and Technology, Jawaharlal Nehru Technological University, Hyderabad, Andhra Pradesh, India
| | - Sindhura Akkinepalli
- B.Tech Biotechnology, Sri Indu College of Engineering and Technology, Jawaharlal Nehru Technological University, Hyderabad, Andhra Pradesh, India
| | - Arvind Nellutla
- B.Tech Biotechnology, Sri Indu College of Engineering and Technology, Jawaharlal Nehru Technological University, Hyderabad, Andhra Pradesh, India
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