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Mavridou D, Psatha K, Aivaliotis M. Proteomics and Drug Repurposing in CLL towards Precision Medicine. Cancers (Basel) 2021; 13:cancers13143391. [PMID: 34298607 PMCID: PMC8303629 DOI: 10.3390/cancers13143391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 06/25/2021] [Accepted: 06/29/2021] [Indexed: 11/30/2022] Open
Abstract
Simple Summary Despite continued efforts, the current status of knowledge in CLL molecular pathobiology, diagnosis, prognosis and treatment remains elusive and imprecise. Proteomics approaches combined with advanced bioinformatics and drug repurposing promise to shed light on the complex proteome heterogeneity of CLL patients and mitigate, improve, or even eliminate the knowledge stagnation. In relation to this concept, this review presents a brief overview of all the available proteomics and drug repurposing studies in CLL and suggests the way such studies can be exploited to find effective therapeutic options combined with drug repurposing strategies to adopt and accost a more “precision medicine” spectrum. Abstract CLL is a hematological malignancy considered as the most frequent lymphoproliferative disease in the western world. It is characterized by high molecular heterogeneity and despite the available therapeutic options, there are many patient subgroups showing the insufficient effectiveness of disease treatment. The challenge is to investigate the individual molecular characteristics and heterogeneity of these patients. Proteomics analysis is a powerful approach that monitors the constant state of flux operators of genetic information and can unravel the proteome heterogeneity and rewiring into protein pathways in CLL patients. This review essences all the available proteomics studies in CLL and suggests the way these studies can be exploited to find effective therapeutic options combined with drug repurposing approaches. Drug repurposing utilizes all the existing knowledge of the safety and efficacy of FDA-approved or investigational drugs and anticipates drug alignment to crucial CLL therapeutic targets, leading to a better disease outcome. The drug repurposing studies in CLL are also discussed in this review. The next goal involves the integration of proteomics-based drug repurposing in precision medicine, as well as the application of this procedure into clinical practice to predict the most appropriate drugs combination that could ensure therapy and the long-term survival of each CLL patient.
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Affiliation(s)
- Dimitra Mavridou
- Laboratory of Biochemistry, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece;
- Functional Proteomics and Systems Biology (FunPATh)—Center for Interdisciplinary Research and Innovation (CIRI-AUTH), GR-57001 Thessaloniki, Greece
- Basic and Translational Research Unit, Special Unit for Biomedical Research and Education, School of Medicine, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Konstantina Psatha
- Laboratory of Biochemistry, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece;
- Functional Proteomics and Systems Biology (FunPATh)—Center for Interdisciplinary Research and Innovation (CIRI-AUTH), GR-57001 Thessaloniki, Greece
- Basic and Translational Research Unit, Special Unit for Biomedical Research and Education, School of Medicine, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
- Institute of Molecular Biology and Biotechnology, Foundation of Research and Technology, GR-70013 Heraklion, Greece
- Correspondence: (K.P.); (M.A.)
| | - Michalis Aivaliotis
- Laboratory of Biochemistry, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece;
- Functional Proteomics and Systems Biology (FunPATh)—Center for Interdisciplinary Research and Innovation (CIRI-AUTH), GR-57001 Thessaloniki, Greece
- Basic and Translational Research Unit, Special Unit for Biomedical Research and Education, School of Medicine, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
- Institute of Molecular Biology and Biotechnology, Foundation of Research and Technology, GR-70013 Heraklion, Greece
- Correspondence: (K.P.); (M.A.)
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Daled S, Willems S, Van Puyvelde B, Corveleyn L, Verhelst S, De Clerck L, Deforce D, Dhaenens M. Histone Sample Preparation for Bottom-Up Mass Spectrometry: A Roadmap to Informed Decisions. Proteomes 2021; 9:17. [PMID: 33919160 PMCID: PMC8167631 DOI: 10.3390/proteomes9020017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 04/08/2021] [Accepted: 04/19/2021] [Indexed: 11/16/2022] Open
Abstract
Histone-based chromatin organization enabled eukaryotic genome complexity. This epigenetic control mechanism allowed for the differentiation of stable gene-expression and thus the very existence of multicellular organisms. This existential role in biology makes histones one of the most complexly modified molecules in the biotic world, which makes these key regulators notoriously hard to analyze. We here provide a roadmap to enable fast and informed selection of a bottom-up mass spectrometry sample preparation protocol that matches a specific research question. We therefore propose a two-step assessment procedure: (i) visualization of the coverage that is attained for a given workflow and (ii) direct alignment between runs to assess potential pitfalls at the ion level. To illustrate the applicability, we compare four different sample preparation protocols while adding a new enzyme to the toolbox, i.e., RgpB (GingisREX®, Genovis, Lund, Sweden), an endoproteinase that selectively and efficiently cleaves at the c-terminal end of arginine residues. Raw data are available via ProteomeXchange with identifier PXD024423.
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Affiliation(s)
- Simon Daled
- Laboratory of Pharmaceutical Biotechnology/ProGenTomics, Ghent University, Ottergemsesteenweg 460, 9000 Ghent, Belgium; (S.D.); (B.V.P.); (L.C.); (S.V.); (L.D.C.); (D.D.)
| | - Sander Willems
- Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, 82152 Martinsried, Germany;
| | - Bart Van Puyvelde
- Laboratory of Pharmaceutical Biotechnology/ProGenTomics, Ghent University, Ottergemsesteenweg 460, 9000 Ghent, Belgium; (S.D.); (B.V.P.); (L.C.); (S.V.); (L.D.C.); (D.D.)
| | - Laura Corveleyn
- Laboratory of Pharmaceutical Biotechnology/ProGenTomics, Ghent University, Ottergemsesteenweg 460, 9000 Ghent, Belgium; (S.D.); (B.V.P.); (L.C.); (S.V.); (L.D.C.); (D.D.)
| | - Sigrid Verhelst
- Laboratory of Pharmaceutical Biotechnology/ProGenTomics, Ghent University, Ottergemsesteenweg 460, 9000 Ghent, Belgium; (S.D.); (B.V.P.); (L.C.); (S.V.); (L.D.C.); (D.D.)
| | - Laura De Clerck
- Laboratory of Pharmaceutical Biotechnology/ProGenTomics, Ghent University, Ottergemsesteenweg 460, 9000 Ghent, Belgium; (S.D.); (B.V.P.); (L.C.); (S.V.); (L.D.C.); (D.D.)
| | - Dieter Deforce
- Laboratory of Pharmaceutical Biotechnology/ProGenTomics, Ghent University, Ottergemsesteenweg 460, 9000 Ghent, Belgium; (S.D.); (B.V.P.); (L.C.); (S.V.); (L.D.C.); (D.D.)
| | - Maarten Dhaenens
- Laboratory of Pharmaceutical Biotechnology/ProGenTomics, Ghent University, Ottergemsesteenweg 460, 9000 Ghent, Belgium; (S.D.); (B.V.P.); (L.C.); (S.V.); (L.D.C.); (D.D.)
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Abstract
Chromatin is an intelligent building block that can express either external or internal needs through structural changes. To date, three methods to change chromatin structure and regulate gene expression have been well-documented: histone modification, histone exchange, and ATP-dependent chromatin remodeling. Recently, a growing body of literature has suggested that histone tail cleavage is related to various cellular processes including stem cell differentiation, osteoclast differentiation, granulocyte differentiation, mammary gland differentiation, viral infection, aging, and yeast sporulation. Although the underlying mechanisms suggesting how histone cleavage affects gene expression in view of chromatin structure are only beginning to be understood, it is clear that this process is a novel transcriptional epigenetic mechanism involving chromatin dynamics. In this review, we describe the functional properties of the known histone tail cleavage with its proteolytic enzymes, discuss how histone cleavage impacts gene expression, and present future directions for this area of study.
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Affiliation(s)
- Sun-Ju Yi
- School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju 28644, Korea
| | - Kyunghwan Kim
- School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju 28644, Korea
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Azad GK, Swagatika S, Kumawat M, Kumawat R, Tomar RS. Modifying Chromatin by Histone Tail Clipping. J Mol Biol 2018; 430:3051-3067. [DOI: 10.1016/j.jmb.2018.07.013] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 07/10/2018] [Accepted: 07/10/2018] [Indexed: 12/15/2022]
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Johnston HE, Carter MJ, Larrayoz M, Clarke J, Garbis SD, Oscier D, Strefford JC, Steele AJ, Walewska R, Cragg MS. Proteomics Profiling of CLL Versus Healthy B-cells Identifies Putative Therapeutic Targets and a Subtype-independent Signature of Spliceosome Dysregulation. Mol Cell Proteomics 2018; 17:776-791. [PMID: 29367434 PMCID: PMC5880099 DOI: 10.1074/mcp.ra117.000539] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Indexed: 12/30/2022] Open
Abstract
Chronic lymphocytic leukemia (CLL) is a heterogeneous B-cell cancer exhibiting a wide spectrum of disease courses and treatment responses. Molecular characterization of RNA and DNA from CLL cases has led to the identification of important driver mutations and disease subtypes, but the precise mechanisms of disease progression remain elusive. To further our understanding of CLL biology we performed isobaric labeling and mass spectrometry proteomics on 14 CLL samples, comparing them with B-cells from healthy donors (HDB). Of 8694 identified proteins, ∼6000 were relatively quantitated between all samples (q<0.01). A clear CLL signature, independent of subtype, of 544 significantly overexpressed proteins relative to HDB was identified, highlighting established hallmarks of CLL (e.g. CD5, BCL2, ROR1 and CD23 overexpression). Previously unrecognized surface markers demonstrated overexpression (e.g. CKAP4, PIGR, TMCC3 and CD75) and three of these (LAX1, CLEC17A and ATP2B4) were implicated in B-cell receptor signaling, which plays an important role in CLL pathogenesis. Several other proteins (e.g. Wee1, HMOX1/2, HDAC7 and INPP5F) were identified with significant overexpression that also represent potential targets. Western blotting confirmed overexpression of a selection of these proteins in an independent cohort. mRNA processing machinery were broadly upregulated across the CLL samples. Spliceosome components demonstrated consistent overexpression (p = 1.3 × 10-21) suggesting dysregulation in CLL, independent of SF3B1 mutations. This study highlights the potential of proteomics in the identification of putative CLL therapeutic targets and reveals a subtype-independent protein expression signature in CLL.
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Affiliation(s)
- Harvey E Johnston
- From the ‡Antibody and Vaccine Group, Cancer Sciences Unit, Faculty of Medicine, General Hospital, University of Southampton, Southampton, UK
- §Centre for Proteomic Research, Institute for Life Sciences, University of Southampton, Highfield Campus, Southampton, UK
| | - Matthew J Carter
- From the ‡Antibody and Vaccine Group, Cancer Sciences Unit, Faculty of Medicine, General Hospital, University of Southampton, Southampton, UK
| | - Marta Larrayoz
- ¶Cancer Genomics, Cancer Sciences Unit, Faculty of Medicine, University of Southampton, Southampton, UK
| | - James Clarke
- ‖Cancer Sciences Unit, Faculty of Medicine, University of Southampton, Southampton, UK
| | - Spiro D Garbis
- §Centre for Proteomic Research, Institute for Life Sciences, University of Southampton, Highfield Campus, Southampton, UK
- **Clinical and Experimental Sciences Unit, Faculty of Medicine, University of Southampton, Southampton, UK
| | - David Oscier
- ‡‡Department of Molecular Pathology, Royal Bournemouth Hospital, Bournemouth, UK
| | - Jonathan C Strefford
- ¶Cancer Genomics, Cancer Sciences Unit, Faculty of Medicine, University of Southampton, Southampton, UK
| | - Andrew J Steele
- §§Leukemia and Lymphoma Molecular Mechanisms and Therapy Group, Cancer Sciences Unit, Faculty of Medicine, University of Southampton, Southampton, UK
| | - Renata Walewska
- ¶¶Department of Haematology, Royal Bournemouth Hospital, Bournemouth, UK
| | - Mark S Cragg
- From the ‡Antibody and Vaccine Group, Cancer Sciences Unit, Faculty of Medicine, General Hospital, University of Southampton, Southampton, UK;
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Coradin M, Karch KR, Garcia BA. Monitoring proteolytic processing events by quantitative mass spectrometry. Expert Rev Proteomics 2017; 14:409-418. [PMID: 28395554 DOI: 10.1080/14789450.2017.1316977] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
INTRODUCTION Protease activity plays a key role in a wide variety of biological processes including gene expression, protein turnover and development. misregulation of these proteins has been associated with many cancer types such as prostate, breast, and skin cancer. thus, the identification of protease substrates will provide key information to understand proteolysis-related pathologies. Areas covered: Proteomics-based methods to investigate proteolysis activity, focusing on substrate identification, protease specificity and their applications in systems biology are reviewed. Their quantification strategies, challenges and pitfalls are underlined and the biological implications of protease malfunction are highlighted. Expert commentary: Dysregulated protease activity is a hallmark for some disease pathologies such as cancer. Current biochemical approaches are low throughput and some are limited by the amount of sample required to obtain reliable results. Mass spectrometry based proteomics provides a suitable platform to investigate protease activity, providing information about substrate specificity and mapping cleavage sites.
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Affiliation(s)
- Mariel Coradin
- a Epigenetics Program, Department of Biochemistry and Biophysics, Perelman School of Medicine , University of Pennsylvania , Philadelphia , PA , USA
| | - Kelly R Karch
- a Epigenetics Program, Department of Biochemistry and Biophysics, Perelman School of Medicine , University of Pennsylvania , Philadelphia , PA , USA
| | - Benjamin A Garcia
- a Epigenetics Program, Department of Biochemistry and Biophysics, Perelman School of Medicine , University of Pennsylvania , Philadelphia , PA , USA
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Thurgood LA, Chataway TK, Lower KM, Kuss BJ. From genome to proteome: Looking beyond DNA and RNA in chronic lymphocytic leukemia. J Proteomics 2017; 155:73-84. [PMID: 28069558 DOI: 10.1016/j.jprot.2017.01.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Revised: 11/11/2016] [Accepted: 01/03/2017] [Indexed: 02/07/2023]
Abstract
Chronic lymphocytic leukemia (CLL) remains the most common leukemia in the Western world. Whilst its disease course is extremely heterogeneous (ranging from indolent to aggressive), current methods are unable to accurately predict the clinical journey of each patient. There is clearly a pressing need for both improved prognostication and treatment options for patients with this disease. Whilst molecular studies have analyzed both genetic mutations and gene expression profiles of these malignant B-cells, and as a result have shed light on the pathogenesis of CLL, proteomic studies have been largely overlooked to date. This review summarizes our current knowledge of the proteomics of CLL, and discusses some of the issues in CLL proteomic research, such as reproducibility and data interpretation. In addition, we look ahead to how proteomics may significantly help in the development of a successful treatment for this currently incurable disease.
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Affiliation(s)
- Lauren A Thurgood
- Department of Haematology and Genetic Pathology, Flinders University, Adelaide, South Australia, Australia.
| | - Tim K Chataway
- Department of Physiology, Flinders University, Adelaide, South Australia, Australia
| | - Karen M Lower
- Department of Haematology and Genetic Pathology, Flinders University, Adelaide, South Australia, Australia
| | - Bryone J Kuss
- Department of Haematology and Genetic Pathology, Flinders University, Adelaide, South Australia, Australia
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Díez P, Góngora R, Orfao A, Fuentes M. Functional proteomic insights in B-cell chronic lymphocytic leukemia. Expert Rev Proteomics 2016; 14:137-146. [DOI: 10.1080/14789450.2017.1275967] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Paula Díez
- Department of Medicine and General Cytometry Service-Nucleus, Cancer Research Centre (IBMCC/CSIC/USAL/IBSAL), Salamanca, Spain
- Proteomics Unit, Cancer Research Centre (IBMCC/CSIC/USAL/IBSAL), Salamanca, Spain
| | - Rafael Góngora
- Department of Medicine and General Cytometry Service-Nucleus, Cancer Research Centre (IBMCC/CSIC/USAL/IBSAL), Salamanca, Spain
| | - Alberto Orfao
- Department of Medicine and General Cytometry Service-Nucleus, Cancer Research Centre (IBMCC/CSIC/USAL/IBSAL), Salamanca, Spain
| | - Manuel Fuentes
- Department of Medicine and General Cytometry Service-Nucleus, Cancer Research Centre (IBMCC/CSIC/USAL/IBSAL), Salamanca, Spain
- Proteomics Unit, Cancer Research Centre (IBMCC/CSIC/USAL/IBSAL), Salamanca, Spain
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Dhaenens M, Glibert P, Meert P, Vossaert L, Deforce D. Histone proteolysis: a proposal for categorization into 'clipping' and 'degradation'. Bioessays 2014; 37:70-9. [PMID: 25350939 PMCID: PMC4305269 DOI: 10.1002/bies.201400118] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
We propose for the first time to divide histone proteolysis into "histone degradation" and the epigenetically connoted "histone clipping". Our initial observation is that these two different classes are very hard to distinguish both experimentally and biologically, because they can both be mediated by the same enzymes. Since the first report decades ago, proteolysis has been found in a broad spectrum of eukaryotic organisms. However, the authors often not clearly distinguish or determine whether degradation or clipping was studied. Given the importance of histone modifications in epigenetic regulation we further elaborate on the different ways in which histone proteolysis could play a role in epigenetics. Finally, unanticipated histone proteolysis has probably left a mark on many studies of histones in the past. In conclusion, we emphasize the significance of reviving the study of histone proteolysis both from a biological and an experimental perspective. Also watch the Video Abstract.
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Affiliation(s)
- Maarten Dhaenens
- Laboratory for Pharmaceutical Biotechnology, Ghent University, Ghent, Belgium
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