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Lu C, Coradin M, Porter EG, Garcia BA. Accelerating the Field of Epigenetic Histone Modification Through Mass Spectrometry-Based Approaches. Mol Cell Proteomics 2020; 20:100006. [PMID: 33203747 PMCID: PMC7950153 DOI: 10.1074/mcp.r120.002257] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 10/15/2020] [Accepted: 11/17/2020] [Indexed: 02/06/2023] Open
Abstract
Histone post-translational modifications (PTMs) are one of the main mechanisms of epigenetic regulation. Dysregulation of histone PTMs leads to many human diseases, such as cancer. Because of its high throughput, accuracy, and flexibility, mass spectrometry (MS) has emerged as a powerful tool in the epigenetic histone modification field, allowing the comprehensive and unbiased analysis of histone PTMs and chromatin-associated factors. Coupled with various techniques from molecular biology, biochemistry, chemical biology, and biophysics, MS has been used to characterize distinct aspects of histone PTMs in the epigenetic regulation of chromatin functions. In this review, we will describe advancements in the field of MS that have facilitated the analysis of histone PTMs and chromatin biology. Middle–down is the most suitable to study histone combinatorial post-translational modifications. Crosslinking MS has a variety of potential applications in exploring histone post-translational modifications. Hydrogen–deuterium exchange MS holds great promise to study the compaction of nucleosome. Multi-omics approaches are useful to study complex regulatory networks.
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Affiliation(s)
- Congcong Lu
- Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Epigenetics Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Mariel Coradin
- Biochemistry and Molecular Biophysics Graduate Group, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Epigenetics Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Elizabeth G Porter
- Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Epigenetics Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Benjamin A Garcia
- Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Epigenetics Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
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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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Qiao L, Zhang Q, Zhang W, Chen JJ. The lysine acetyltransferase GCN5 contributes to human papillomavirus oncoprotein E7-induced cell proliferation via up-regulating E2F1. J Cell Mol Med 2018; 22:5333-5345. [PMID: 30079588 PMCID: PMC6201343 DOI: 10.1111/jcmm.13806] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 06/25/2018] [Accepted: 06/29/2018] [Indexed: 02/06/2023] Open
Abstract
General control nondepressible 5 (GCN5), the first identified transcription-related lysine acetyltransferase (KAT), is an important catalytic component of a transcriptional regulatory SAGA (Spt-Ada-GCN5-Acetyltransferase) and ATAC (ADA2A-containing) complex. While GCN5 has been implicated in cancer development, its role in cervical cancer is not known. The human papillomavirus (HPV) oncoprotein E7 abrogates the G1 cell cycle checkpoint and induces genomic instability, which plays a central role in cervical carcinogenesis. In this study, we observed that GCN5 was up-regulated in HPV E7-expressing cells, knockdown of GCN5 inhibited cell cycle progression and DNA synthesis in HPV E7-expressing cells. Notably, GCN5 knockdown reduced the steady-state levels of transcription factor E2F1. Depletion of E2F1 caused G1 arrest while overexpression of E2F1 rescued the inhibitory effects of GCN5 knockdown on G1/S progression in HPV E7-expressing cells. Results from chromatin immunoprecipitation (ChIP) assays demonstrated that GCN5 bound to the E2F1 promoter and increased the extent of histone acetylation within these regions. GCN5 also acetylated c-Myc and increased its ability to bind to the E2F1 promoter. Knockdown of c-Myc reduced the steady-state levels of E2F1 and caused G1 arrest. These results revealed a novel mechanism of E7 function whereby elevated GCN5 acetylates histones and c-Myc to regulate E2F1 expression and cell cycle progression.
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Affiliation(s)
- Lijun Qiao
- The Cancer Research Center and Department of Microbiology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Qishu Zhang
- The Cancer Research Center and Department of Microbiology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Weifang Zhang
- Department of Microbiology and Key Laboratory of Infection and Immunity of Shandong Province, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Jason J Chen
- The Cancer Research Center and Department of Microbiology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
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Sandoval-Basilio J, González-González R, Bologna-Molina R, Isiordia-Espinoza M, Leija-Montoya G, Alcaraz-Estrada SL, Serafín-Higuera I, González-Ramírez J, Serafín-Higuera N. Epigenetic mechanisms in odontogenic tumors: A literature review. Arch Oral Biol 2018; 87:211-217. [PMID: 29310033 DOI: 10.1016/j.archoralbio.2017.12.029] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Revised: 12/23/2017] [Accepted: 12/28/2017] [Indexed: 02/07/2023]
Abstract
OBJECTIVE Epigenetic mechanisms, such as DNA methylation, regulate important biological processes as gene expression and it was suggested that these phenomena play important roles in the carcinogenesis and tumor biology. The aim of this review is to provide the current state of knowledge about epigenetic alterations, focusing mainly on DNA methylation, reported in odontogenic tumors. DESIGN Literatures were searched based in the combination of the following keywords: odontogenic tumors, epigenetics, DNA methylation, histone modifications, non-coding RNA, microRNA, DNA methyltransferases. Electronic databases (Medline/PubMed, Scopus and Web of Science) were screened. RESULTS The analysis of epigenetic alterations in different tumors has rapidly increased; however, limited information is available about epigenetic mechanisms involved in the formation of odontogenic tumors. DNA methylation is the most studied epigenetic modification in these tumors and the participation of non-coding RNA's in odontogenic tumors has been recently addressed. Differential expression of DNA methyltransferases, altered DNA methylation patterns and aberrant expression of non-coding RNA's were reported in odontogenic tumors. CONCLUSIONS Current studies suggest epigenetics as an emerging mechanism, possibly implicated in etiopathogenesis of odontogenic tumors. Deeper understanding of the epigenetic abnormalities in these tumors could show potential applications as biomarkers or therapeutic possibilities in the future.
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Affiliation(s)
| | | | - Ronell Bologna-Molina
- Departamento de Investigación, Facultad Odontología, Universidad de la República. (UDELAR), Montevideo, Uruguay
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Vattai A, Cavailles V, Sixou S, Beyer S, Kuhn C, Peryanova M, Heidegger H, Hermelink K, Mayr D, Mahner S, Dannecker C, Jeschke U, Kost B. Investigation of RIP140 and LCoR as independent markers for poor prognosis in cervical cancer. Oncotarget 2017; 8:105356-105371. [PMID: 29285256 PMCID: PMC5739643 DOI: 10.18632/oncotarget.22187] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Accepted: 07/25/2017] [Indexed: 01/06/2023] Open
Abstract
Introduction RIP140 (Receptor Interacting Protein) is involved in the regulation of oncogenic signaling pathways and in the development of breast and colon cancers. The aim of the study was to analyze the expression of RIP140 and its partner LCoR in cervical cancers, to decipher their relationship with histone protein modifications and to identify a potential link with patient survival. Methods Immunohistochemical analyses were carried out to quantify RIP140 and LCoR expression in formalin-fixed paraffin-embedded tissue sections cervical cancer samples. Correlations of RIP140 and LCoR expression with histopathological variables were determined by correlation analyses. Survival rates of patients expressing low or high levels of RIP140 and LCoR were compared by Kaplan-Meier curves. Results RIP140 overexpression was associated with a significantly shorter overall survival of cervical cancer patients. This effect was significant in the squamous cell carcinoma subtype but not in adenocarcinomas. RIP140 is no longer a significant negative prognosticator for cervical cancer when LCoR expression is low. Discussion RIP140 is an independent predictor of poor survival of patients with cervical cancer. Patients with tumors expressing low levels of both RIP140 and LCoR showed a better survival compared to patients expressing high levels of RIP140. Modulation of RIP140 and LCoR may represent a novel targeting strategy for cervical cancer prevention and therapy.
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Affiliation(s)
- Aurelia Vattai
- Department of Gynaecology and Obstetrics, Ludwig-Maximilians University of Munich, 80337 Munich, Germany
| | - Vincent Cavailles
- Institut de Recherche en Cancérologie de Montpellier (IRCM), INSERM U1194, Université Montpellier, F-34298 Montpellier, France
| | - Sophie Sixou
- Université Toulouse III - Paul Sabatier, F-31062 Toulouse, France
| | - Susanne Beyer
- Department of Gynaecology and Obstetrics, Ludwig-Maximilians University of Munich, 80337 Munich, Germany
| | - Christina Kuhn
- Department of Gynaecology and Obstetrics, Ludwig-Maximilians University of Munich, 80337 Munich, Germany
| | - Mina Peryanova
- Department of Gynaecology and Obstetrics, Ludwig-Maximilians University of Munich, 80337 Munich, Germany
| | - Helene Heidegger
- Department of Gynaecology and Obstetrics, Ludwig-Maximilians University of Munich, 80337 Munich, Germany
| | - Kerstin Hermelink
- Department of Gynaecology and Obstetrics, Ludwig-Maximilians University of Munich, 80337 Munich, Germany
| | - Doris Mayr
- Department of Pathology, Ludwig-Maximilians University of Munich, 81337 Munich, Germany
| | - Sven Mahner
- Department of Gynaecology and Obstetrics, Ludwig-Maximilians University of Munich, 80337 Munich, Germany
| | - Christian Dannecker
- Department of Gynaecology and Obstetrics, Ludwig-Maximilians University of Munich, 80337 Munich, Germany
| | - Udo Jeschke
- Department of Gynaecology and Obstetrics, Ludwig-Maximilians University of Munich, 80337 Munich, Germany
| | - Bernd Kost
- Department of Gynaecology and Obstetrics, Ludwig-Maximilians University of Munich, 80337 Munich, Germany
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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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Histone H3 Acetyl K9 and Histone H3 Tri Methyl K4 as Prognostic Markers for Patients with Cervical Cancer. Int J Mol Sci 2017; 18:ijms18030477. [PMID: 28241481 PMCID: PMC5372493 DOI: 10.3390/ijms18030477] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Revised: 01/24/2017] [Accepted: 02/15/2017] [Indexed: 11/26/2022] Open
Abstract
Chromatin remodeling alters gene expression in carcinoma tissue. Although cervical cancer is the fourth most common cancer in women worldwide, a systematic study about the prognostic value of specific changes in the chromatin structure, such as histone acetylation or histone methylation, is missing. In this study, the expression of histone H3 acetyl K9, which is known to denote active regions at enhancers and promoters, and histone H3 tri methyl K4, which preferentially identifies active gene promoters, were examined as both show high metastatic potential. A panel of patients with cervical cancer was selected and the importance of the histone modifications concerning survival-time (overall survival and relapse-free survival) was analyzed in 250 cases. Histone H3 acetyl K9 staining was correlated with low grading, low FIGO (TNM classification and the International Federation of Gynecology and Obstetrics) status, negative N-status and low T-status in cervical cancer, showing a higher expression in adenocarcinoma than in squamous cell carcinoma. Cytoplasmic expression of histone H3 tri methyl K4 in a cervical cancer specimen was correlated with advanced T-status and poor prognosis. While cytoplasmic H3K4me3 expression seemed to be a marker of relapse-free survival, nuclear expression showed a correlation to poor prognosis in overall survival. Within this study, we analyzed the chemical modification of two histone proteins that are connected to active gene expression. Histone H3 acetyl K9 was found to be an independent marker of overall survival. Histone H3 tri methyl K4 was correlated with poor prognosis and it was found to be an independent marker of relapse-free survival. Therefore, we could show that chromatin remodeling plays an important role in cervical cancer biology.
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Wen F, Xu JZ, Wang XR. Increased expression of miR-15b is associated with clinicopathological features and poor prognosis in cervical carcinoma. Arch Gynecol Obstet 2017; 295:743-749. [PMID: 28091743 DOI: 10.1007/s00404-016-4286-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Accepted: 12/27/2016] [Indexed: 12/30/2022]
Abstract
OBJECTIVE The aims of this study were to explore the expression of microRNA-15b (miR-15b) in cervical carcinoma and to correlate its expression with clinicopathological characteristics and prognosis. METHODS Quantitative reverse transcriptase polymerase chain reaction analysis was conducted to quantify the expression level of miR-15b in 607 cervical tissues, including 185 cervical carcinoma tissues, 124 CIN I lesions, 148 CIN II-III lesions, and 150 normal cervical tissues. The 5-year overall cumulative survival rates for all patients with cervical carcinoma were calculated using Kaplan-Meier survival analysis, and multivariate survival analysis of these patients was completed using the stepwise Cox proportional hazards regression model. RESULTS The expression of miR-15b gradually increased from normal cervical tissues to CIN lesions and then to cervical carcinoma tissues (all P < 0.05), and it was strongly correlated with degree of differentiation, clinical stage, tumor diameter, and lymph-node metastases (all P < 0.05). When the median value of miR-15b expression was used as the cut-off point, patients with high miR-15b expression (above the median) had worse 5-year overall cumulative survival rates than those who exhibited low miR-15b expression (below the median; P < 0.05). Multivariate analysis using the Cox regression model identified miR-15b expression, clinical stage, tumor diameter, and lymph-node metastasis as independent risk factors for cervical carcinoma prognosis (all P < 0.05). CONCLUSION Our results indicate that elevated miRNA-15b expression is a typical feature in cervical carcinoma, which could be a useful clinical predictor for the early diagnosis and evaluation of cervical carcinoma prognosis.
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Affiliation(s)
- Fang Wen
- Department of Gynecology, Jingzhou Central Hospital, The Second Clinical Medical College, Yangtze University, No. 60, Jingzhong Road, Jingzhou District, Jingzhou, 434020, Hubei, People's Republic of China
| | - Jia-Zhen Xu
- Department of Gynecology, Jingzhou Central Hospital, The Second Clinical Medical College, Yangtze University, No. 60, Jingzhong Road, Jingzhou District, Jingzhou, 434020, Hubei, People's Republic of China
| | - Xian-Rong Wang
- Department of Gynecology, Jingzhou Central Hospital, The Second Clinical Medical College, Yangtze University, No. 60, Jingzhong Road, Jingzhou District, Jingzhou, 434020, Hubei, People's Republic of China.
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