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Patel S, Vyas VK, Sharma M, Ghate M. Structure-guided discovery of adenosine triphosphate-competitive casein kinase 2 inhibitors. Future Med Chem 2023; 15:987-1014. [PMID: 37307219 DOI: 10.4155/fmc-2023-0005] [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] [Indexed: 06/14/2023] Open
Abstract
Casein kinase 2 (CK2) is a ubiquitous, highly pleiotropic serine-threonine kinase. CK2 has been identified as a potential drug target for the treatment of cancer and related disorders. Several adenosine triphosphate-competitive CK2 inhibitors have been identified and have progressed at different levels of clinical trials. This review presents details of CK2 protein, structural insights into adenosine triphosphate binding pocket, current clinical trial candidates and their analogues. Further, it includes the emerging structure-based drug design approaches, chemistry, structure-activity relationship and biological screening of potent and selective CK2 inhibitors. The authors tabulated the details of CK2 co-crystal structures because these co-crystal structures facilitated the structure-guided discovery of CK2 inhibitors. The narrow hinge pocket compared with related kinases provides useful insights into the discovery of CK2 inhibitors.
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Affiliation(s)
- Shivani Patel
- Department of Pharmaceutical Chemistry, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat, 382481, India
| | - Vivek K Vyas
- Department of Pharmaceutical Chemistry, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat, 382481, India
| | - Manmohan Sharma
- Department of Pharmaceutical Chemistry, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat, 382481, India
| | - Manjunath Ghate
- School of Pharmacy, National Forensic Science University, Gandhinagar, Gujarat, 382007, India
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Protein kinase CK2: a potential therapeutic target for diverse human diseases. Signal Transduct Target Ther 2021; 6:183. [PMID: 33994545 PMCID: PMC8126563 DOI: 10.1038/s41392-021-00567-7] [Citation(s) in RCA: 153] [Impact Index Per Article: 51.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 03/19/2021] [Accepted: 03/22/2021] [Indexed: 02/04/2023] Open
Abstract
CK2 is a constitutively active Ser/Thr protein kinase, which phosphorylates hundreds of substrates, controls several signaling pathways, and is implicated in a plethora of human diseases. Its best documented role is in cancer, where it regulates practically all malignant hallmarks. Other well-known functions of CK2 are in human infections; in particular, several viruses exploit host cell CK2 for their life cycle. Very recently, also SARS-CoV-2, the virus responsible for the COVID-19 pandemic, has been found to enhance CK2 activity and to induce the phosphorylation of several CK2 substrates (either viral and host proteins). CK2 is also considered an emerging target for neurological diseases, inflammation and autoimmune disorders, diverse ophthalmic pathologies, diabetes, and obesity. In addition, CK2 activity has been associated with cardiovascular diseases, as cardiac ischemia-reperfusion injury, atherosclerosis, and cardiac hypertrophy. The hypothesis of considering CK2 inhibition for cystic fibrosis therapies has been also entertained for many years. Moreover, psychiatric disorders and syndromes due to CK2 mutations have been recently identified. On these bases, CK2 is emerging as an increasingly attractive target in various fields of human medicine, with the advantage that several very specific and effective inhibitors are already available. Here, we review the literature on CK2 implication in different human pathologies and evaluate its potential as a pharmacological target in the light of the most recent findings.
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Multifaceted targeting of neurodegeneration with bioactive molecules of saffron (Crocus sativus): An insilco evidence-based hypothesis. Med Hypotheses 2020; 143:109872. [DOI: 10.1016/j.mehy.2020.109872] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 05/12/2020] [Accepted: 05/21/2020] [Indexed: 12/16/2022]
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Billing AM, Dib SS, Bhagwat AM, da Silva IT, Drummond RD, Hayat S, Al-Mismar R, Ben-Hamidane H, Goswami N, Engholm-Keller K, Larsen MR, Suhre K, Rafii A, Graumann J. A Systems-level Characterization of the Differentiation of Human Embryonic Stem Cells into Mesenchymal Stem Cells. Mol Cell Proteomics 2019; 18:1950-1966. [PMID: 31332097 PMCID: PMC6773553 DOI: 10.1074/mcp.ra119.001356] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Revised: 07/12/2019] [Indexed: 12/22/2022] Open
Abstract
Mesenchymal stem/stromal cells (MSCs) are self-renewing multipotent cells with regenerative, secretory and immunomodulatory capabilities that are beneficial for the treatment of various diseases. To avoid the issues that come with using tissue-derived MSCs in therapy, MSCs may be generated by the differentiation of human embryonic stems cells (hESCs) in culture. However, the changes that occur during the differentiation process have not been comprehensively characterized. Here, we combined transcriptome, proteome and phosphoproteome profiling to perform an in-depth, multi-omics study of the hESCs-to-MSCs differentiation process. Based on RNA-to-protein correlation, we determined a set of high confidence genes that are important to differentiation. Among the earliest and strongest induced proteins with extensive differential phosphorylation was AHNAK, which we hypothesized to be a defining factor in MSC biology. We observed two distinct expression waves of developmental HOX genes and an AGO2-to-AGO3 switch in gene silencing. Exploring the kinetic of noncoding ORFs during differentiation, we mapped new functions to well annotated long noncoding RNAs (CARMN, MALAT, NEAT1, LINC00152) as well as new candidates which we identified to be important to the differentiation process. Phosphoproteome analysis revealed ESC and MSC-specific phosphorylation motifs with PAK2 and RAF1 as top predicted upstream kinases in MSCs. Our data represent a rich systems-level resource on ESC-to-MSC differentiation that will be useful for the study of stem cell biology.
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Affiliation(s)
- Anja M Billing
- Research Division, Weill Cornell Medicine Qatar, Weill Cornell University, P.O. Box 24144, Doha, Qatar.
| | - Shaima S Dib
- Research Division, Weill Cornell Medicine Qatar, Weill Cornell University, P.O. Box 24144, Doha, Qatar
| | - Aditya M Bhagwat
- Research Division, Weill Cornell Medicine Qatar, Weill Cornell University, P.O. Box 24144, Doha, Qatar
| | - Israel T da Silva
- Laboratory of Bioinformatics and Computational Biology, A. C., Camargo Cancer Center, São Paulo 01508-010, Brazil; Laboratory of Molecular Immunology, The Rockefeller University, New York, New York 10065
| | - Rodrigo D Drummond
- Laboratory of Bioinformatics and Computational Biology, A. C., Camargo Cancer Center, São Paulo 01508-010, Brazil
| | - Shahina Hayat
- Research Division, Weill Cornell Medicine Qatar, Weill Cornell University, P.O. Box 24144, Doha, Qatar
| | - Rasha Al-Mismar
- Research Division, Weill Cornell Medicine Qatar, Weill Cornell University, P.O. Box 24144, Doha, Qatar
| | - Hisham Ben-Hamidane
- Research Division, Weill Cornell Medicine Qatar, Weill Cornell University, P.O. Box 24144, Doha, Qatar
| | - Neha Goswami
- Research Division, Weill Cornell Medicine Qatar, Weill Cornell University, P.O. Box 24144, Doha, Qatar
| | - Kasper Engholm-Keller
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, 5230 Odense, Denmark; Children's Medical Research Institute, University of Sydney, Westmead, NSW 2145, Australia
| | - Martin R Larsen
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, 5230 Odense, Denmark
| | - Karsten Suhre
- Research Division, Weill Cornell Medicine Qatar, Weill Cornell University, P.O. Box 24144, Doha, Qatar
| | - Arash Rafii
- Research Division, Weill Cornell Medicine Qatar, Weill Cornell University, P.O. Box 24144, Doha, Qatar; Department of Gynecology and Obstetrics, Hôpital Foch, 92100 Suresnes, France
| | - Johannes Graumann
- Research Division, Weill Cornell Medicine Qatar, Weill Cornell University, P.O. Box 24144, Doha, Qatar.
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Mohl BP, Emmott E, Roy P. Phosphoproteomic Analysis Reveals the Importance of Kinase Regulation During Orbivirus Infection. Mol Cell Proteomics 2017; 16:1990-2005. [PMID: 28851738 PMCID: PMC5672004 DOI: 10.1074/mcp.m117.067355] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2017] [Revised: 08/08/2017] [Indexed: 01/03/2023] Open
Abstract
Bluetongue virus (BTV) causes infections in wild and domesticated ruminants with high morbidity and mortality and is responsible for significant economic losses in both developing and developed countries. BTV serves as a model for the study of other members of the Orbivirus genus. Previously, the importance of casein kinase 2 for BTV replication was demonstrated. To identify intracellular signaling pathways and novel host-cell kinases involved during BTV infection, the phosphoproteome of BTV infected cells was analyzed. Over 1000 phosphosites were identified using mass spectrometry, which were then used to determine the corresponding kinases involved during BTV infection. This analysis yielded protein kinase A (PKA) as a novel kinase activated during BTV infection. Subsequently, the importance of PKA for BTV infection was validated using a PKA inhibitor and activator. Our data confirmed that PKA was essential for efficient viral growth. Further, we showed that PKA is also required for infection of equid cells by African horse sickness virus, another member of the Orbivirus genus. Thus, despite their preference in specific host species, orbiviruses may utilize the same host signaling pathways during their replication.
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Affiliation(s)
- Bjorn-Patrick Mohl
- From the ‡Department of Pathogen Molecular Biology, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
| | - Edward Emmott
- §University of Cambridge, Division of Virology, Department of Pathology, Lab block level 5, Box 237, Addenbrookes Hospital, Cambridge, UK
| | - Polly Roy
- From the ‡Department of Pathogen Molecular Biology, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, UK;
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Shi SH, Zhang W, Jiang J, Sun L. Identification of altered pathways in breast cancer based on individualized pathway aberrance score. Oncol Lett 2017; 14:1287-1294. [PMID: 28789343 PMCID: PMC5529805 DOI: 10.3892/ol.2017.6292] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Accepted: 12/20/2016] [Indexed: 11/06/2022] Open
Abstract
The objective of the present study was to identify altered pathways in breast cancer based on the individualized pathway aberrance score (iPAS) method combined with the normal reference (nRef). There were 4 steps to identify altered pathways using the iPAS method: Data preprocessing conducted by the robust multi-array average (RMA) algorithm; gene-level statistics based on average Z; pathway-level statistics according to iPAS; and a significance test dependent on 1 sample Wilcoxon test. The altered pathways were validated by calculating the changed percentage of each pathway in tumor samples and comparing them with pathways from differentially expressed genes (DEGs). A total of 688 altered pathways with P<0.01 were identified, including kinesin (KIF)- and polo-like kinase (PLK)-mediated events. When the percentage of change reached 50%, 310 pathways were involved in the total 688 altered pathways, which may validate the present results. In addition, there were 324 DEGs and 155 common genes between DEGs and pathway genes. DEGs and common genes were enriched in the same 9 significant terms, which also were members of altered pathways. The iPAS method was suitable for identifying altered pathways in breast cancer. Altered pathways (such as KIF and PLK mediated events) were important for understanding breast cancer mechanisms and for the future application of customized therapeutic decisions.
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Affiliation(s)
- Sheng-Hong Shi
- Department of Breast Surgery, Ningbo No. 2 Hospital, Ningbo, Zhejiang 315000, P.R. China
| | - Wei Zhang
- Department of Breast Surgery, Ningbo No. 2 Hospital, Ningbo, Zhejiang 315000, P.R. China
| | - Jing Jiang
- Department of Breast Surgery, Ningbo No. 2 Hospital, Ningbo, Zhejiang 315000, P.R. China
| | - Long Sun
- Department of Breast Surgery, Ningbo No. 2 Hospital, Ningbo, Zhejiang 315000, P.R. China
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Franchin C, Cesaro L, Pinna LA, Arrigoni G, Salvi M. Identification of the PLK2-dependent phosphopeptidome by quantitative proteomics [corrected]. PLoS One 2014; 9:e111018. [PMID: 25338102 PMCID: PMC4206460 DOI: 10.1371/journal.pone.0111018] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2014] [Accepted: 08/26/2014] [Indexed: 11/30/2022] Open
Abstract
Polo-like kinase 2 (PLK2) has been recently recognized as the major enzyme responsible for phosphorylation of α-synuclein at S129 in vitro and in vivo, suggesting that this kinase may play a key role in the pathogenesis of Parkinson's disease and other synucleinopathies. Moreover PLK2 seems to be implicated in cell division, oncogenesis, and synaptic regulation of the brain. However little is known about the phosphoproteome generated by PLK2 and, consequently the overall impact of PLK2 on cellular signaling. To fill this gap we exploited an approach based on in vitro kinase assay and quantitative phosphoproteomics. A proteome-derived peptide library obtained by digestion of undifferentiated human neuroblastoma cell line was exhaustively dephosphorylated by lambda phosphatase followed by incubation with or without PLK2 recombinant kinase. Stable isotope labeling based quantitative phosphoproteomics was applied to identify the phosphosites generated by PLK2. A total of 98 unique PLK2-dependent phosphosites from 89 proteins were identified by LC-MS/MS. Analysis of the primary structure of the identified phosphosites allowed the detailed definition of the kinase specificity and the compilation of a list of potential PLK2 targets among those retrieved in PhosphositePlus, a curated database of in cell/vivo phosphorylation sites.
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Affiliation(s)
- Cinzia Franchin
- Department of Biomedical Sciences, University of Padova, Padova, Italy
- Proteomics Center of Padova University, Padova, Italy
| | - Luca Cesaro
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | - Lorenzo A. Pinna
- Department of Biomedical Sciences, University of Padova, Padova, Italy
- CNR Institute of Neurosciences, Padova, Italy
| | - Giorgio Arrigoni
- Department of Biomedical Sciences, University of Padova, Padova, Italy
- Proteomics Center of Padova University, Padova, Italy
- * E-mail: (GA); (MS)
| | - Mauro Salvi
- Department of Biomedical Sciences, University of Padova, Padova, Italy
- * E-mail: (GA); (MS)
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Salvi M, Trashi E, Cozza G, Franchin C, Arrigoni G, Pinna LA. Investigation on PLK2 and PLK3 substrate recognition. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2012; 1824:1366-73. [PMID: 22828320 DOI: 10.1016/j.bbapap.2012.07.003] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2012] [Revised: 07/13/2012] [Accepted: 07/16/2012] [Indexed: 10/28/2022]
Abstract
Analyses of human phosphoproteome based on primary structure of the aminoacids surrounding the phosphor Ser/Thr suggest that a significant proportion of phosphosites is generated by a restricted number of acidophilic kinases, among which protein kinase CK2 plays a prominent role. Recently, new acidophilic kinases belonging to the Polo like kinase family have been characterized, with special reference to PLK1, PLK2, and PLK3 kinases. While some progress has been made in deciphering the PLK1-dependent phosphoproteome, very little is known about the targets of PLK2 and PLK3 kinases. In this report by using an in vitro approach, consisting of cell lysate phosphorylation, phosphoprotein separation by 2D gel electrophoresis and mass spectrometry, we describe the identification of new potential substrates of PLK2 and PLK3 kinases. We have identified and validated as in vitro PLK2 and PLK3 substrates HSP90, GRP-94, β-tubulin, calumenin, and 14-3-3 epsilon. The phosphosites generated by PLK3 in these proteins have been identified by mass spectrometry analysis to get new insights about PLKs specificity determinants. These latter have been further corroborated by an in silico analysis of the PLKs substrate binding region.
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Affiliation(s)
- M Salvi
- Department of Biomedical Sciences, University of Padova, Italy.
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