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Tachaveeraphong W, Phattarataratip E. The Significance of Modified Histone H3 in Epithelial Dysplasia and Oral Cancer. Int Dent J 2024; 74:769-776. [PMID: 38326164 DOI: 10.1016/j.identj.2024.01.011] [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: 10/19/2023] [Revised: 01/09/2024] [Accepted: 01/17/2024] [Indexed: 02/09/2024] Open
Abstract
BACKGROUND Oral carcinogenesis is complex and influenced by both genetic and epigenetic changes. Altered histone modification is the epigenetic event that plays a role in cancer development and progression. Distinct modification patterns of histones have been shown to affect patient prognosis in selected cancers. This study aimed to evaluate the profiles of histone H3 modification in oral epithelial dysplasia (OED) and oral squamous cell carcinoma (OSCC) in association with the clinical-pathologic characteristics. METHODS One hundred patients were divided into 4 groups: low-grade OED, high-grade OED, OSCC, and normal oral mucosa (NOM). The levels of 3 types of histone modification-the H3K18ac, H3K9me3, and H3K9ac-were analysed immunohistochemically. Their expression profiles were compared and correlated with prognostically relevant clinical and pathologic features. RESULTS The H3K18ac and H3K9me3 were upregulated in OSCC, compared with OED and NOM. In contrast, the H3K9ac was downregulated in low-grade OED but increased in high-grade OED and OSCC. The hyperacetylations of H3K18 and H3K9 significantly correlated with advanced cancer depth of invasion and high T stage, respectively. CONCLUSIONS Histone H3 acetylation and methylation at lysine residues are differentially involved in the multistep oral carcinogenesis and impact aggressive cancer phenotypes. The effect of H3K9ac appears early in OED development, whilst the increased H3K18ac and H3K9me3 may be vital in the emergence of OSCC.
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Affiliation(s)
| | - Ekarat Phattarataratip
- Department of Oral Pathology, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand.
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Ahuja P, Yadav R, Goyal S, Yadav C, Ranga S, Kadian L. Targeting epigenetic deregulations for the management of esophageal carcinoma: recent advances and emerging approaches. Cell Biol Toxicol 2023; 39:2437-2465. [PMID: 37338772 DOI: 10.1007/s10565-023-09818-5] [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: 03/16/2023] [Accepted: 06/08/2023] [Indexed: 06/21/2023]
Abstract
Ranking from seventh in incidence to sixth in mortality, esophageal carcinoma is considered a severe malignancy of food pipe. Later-stage diagnosis, drug resistance, and a high mortality rate contribute to its lethality. Esophageal squamous cell carcinoma and esophageal adenocarcinoma are the two main histological subtypes of esophageal carcinoma, with squamous cell carcinoma alone accounting for more than eighty percent of its cases. While genetic anomalies are well known in esophageal cancer, accountability of epigenetic deregulations is also being explored for the recent two decades. DNA methylation, histone modifications, and functional non-coding RNAs are the crucial epigenetic players involved in the modulation of different malignancies, including esophageal carcinoma. Targeting these epigenetic aberrations will provide new insights into the development of biomarker tools for risk stratification, early diagnosis, and effective therapeutic intervention. This review discusses different epigenetic alterations, emphasizing the most significant developments in esophageal cancer epigenetics and their potential implication for the detection, prognosis, and treatment of esophageal carcinoma. Further, the preclinical and clinical status of various epigenetic drugs has also been reviewed.
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Affiliation(s)
- Parul Ahuja
- Department of Genetics, Maharshi Dayanand University, (Haryana), Rohtak, 124001, India
| | - Ritu Yadav
- Department of Genetics, Maharshi Dayanand University, (Haryana), Rohtak, 124001, India.
| | - Sandeep Goyal
- Department of Internal Medicine, Pt. B.D, Sharma University of Health Sciences, (Haryana), Rohtak, 124001, India
| | - Chetna Yadav
- Department of Genetics, Maharshi Dayanand University, (Haryana), Rohtak, 124001, India
| | - Shalu Ranga
- Department of Genetics, Maharshi Dayanand University, (Haryana), Rohtak, 124001, India
| | - Lokesh Kadian
- Department of Dermatology, School of Medicine, Indiana University, Indianapolis, Indiana, 46202, USA
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Phoyen S, Sanpavat A, Ma-on C, Stein U, Hirankarn N, Tangkijvanich P, Jindatip D, Whongsiri P, Boonla C. H4K20me3 upregulated by reactive oxygen species is associated with tumor progression and poor prognosis in patients with hepatocellular carcinoma. Heliyon 2023; 9:e22589. [PMID: 38144275 PMCID: PMC10746411 DOI: 10.1016/j.heliyon.2023.e22589] [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: 01/30/2023] [Revised: 11/13/2023] [Accepted: 11/15/2023] [Indexed: 12/26/2023] Open
Abstract
Epigenetic alteration by oxidative stress is vitally involved in carcinogenesis and cancer progression. Previously, we demonstrated that oxidative stress was increased in hepatocellular carcinoma (HCC) patients and associated with tumor aggressiveness. Herein, we immunohistochemically investigated whether histone methylation, specifically H4K20me3, was upregulated in human hepatic tissues obtained from HCC patients (n = 100). Also, we experimentally explored if the H4K20me3 was upregulated by reactive oxygen species (ROS) and contributed to tumor progression in HCC cell lines. We found that H4K20me3 level was increased in HCC tissues compared with the adjacent noncancerous liver tissues. H3K9me3 and H3K4me3 levels were also increased in HCC tissues. Cox regression analysis revealed that the elevated H4K20me3 level was associated with tumor recurrence and short survival in HCC patients. Experimentally, H2O2 provoked oxidative stress and induced H4K20me3 formation in HepG2 and Huh7 cells. Transcript expression of histone methyltransferase Suv420h2 (for H4K20me3), Suv39h1 (for H3K9me3), and Smyd3 (for H3K4me3) were upregulated in H2O2-treated HCC cells. H2O2 also induced epithelial-mesenchymal transition (EMT) in HCC cells, indicated by decreased E-cadherin but increased α-SMA and MMP-9 mRNA expression. Migration, invasion, and colony formation in HCC cells were markedly increased following the H2O2 exposure. Inhibition of H4K20me3 formation by A196 (a selective inhibitor of Suv420h2) attenuated EMT and reduced tumor migration in H2O2-treated HCC cells. In conclusion, we demonstrated for the first time that H4K20me3 level was increased in human HCC tissues, and it was independently associated with poor prognosis in HCC patients. ROS upregulated H4K20me3 formation, induced mRNA expression of EMT markers, and promoted tumor progression in human HCC cells. Inhibition of H4K20me3 formation reduced EMT and tumor aggressive phenotypes in ROS-treated HCC cells. Possibly, ROS-induced EMT and tumor progression in HCC cells was epigenetically mediated through an increased formation of repressive chromatin H4K20me3.
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Affiliation(s)
- Suchittra Phoyen
- Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Anapat Sanpavat
- Department of Pathology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Chakriwong Ma-on
- Department of Pathology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Ulrike Stein
- Translational Oncology of Solid Tumors, Experimental and Clinical Research Center, Charité Universitätsmedizin Berlin and Max-Delbrück-Center for Molecular Medicine, Berlin, Germany
- German Cancer Consortium, Heidelberg, Germany
| | - Nattiya Hirankarn
- Center of Excellence in Immunology and Immune-Mediated Diseases, Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Pisit Tangkijvanich
- Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Center of Excellence in Hepatitis and Liver Cancer, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Depicha Jindatip
- Department of Anatomy, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Patcharawalai Whongsiri
- Department of Biochemistry and Microbiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Chanchai Boonla
- Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
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Agredo A, Kasinski AL. Histone 4 lysine 20 tri-methylation: a key epigenetic regulator in chromatin structure and disease. Front Genet 2023; 14:1243395. [PMID: 37671044 PMCID: PMC10475950 DOI: 10.3389/fgene.2023.1243395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 08/07/2023] [Indexed: 09/07/2023] Open
Abstract
Chromatin is a vital and dynamic structure that is carefully regulated to maintain proper cell homeostasis. A great deal of this regulation is dependent on histone proteins which have the ability to be dynamically modified on their tails via various post-translational modifications (PTMs). While multiple histone PTMs are studied and often work in concert to facilitate gene expression, here we focus on the tri-methylation of histone H4 on lysine 20 (H4K20me3) and its function in chromatin structure, cell cycle, DNA repair, and development. The recent studies evaluated in this review have shed light on how H4K20me3 is established and regulated by various interacting partners and how H4K20me3 and the proteins that interact with this PTM are involved in various diseases. Through analyzing the current literature on H4K20me3 function and regulation, we aim to summarize this knowledge and highlights gaps that remain in the field.
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Affiliation(s)
- Alejandra Agredo
- Department of Biological Sciences, Purdue University, West Lafayette, IN, United States
- Purdue Life Sciences Interdisciplinary Program (PULSe), Purdue University, West Lafayette, IN, United States
| | - Andrea L. Kasinski
- Department of Biological Sciences, Purdue University, West Lafayette, IN, United States
- Purdue Institute for Cancer Research, Purdue University, West Lafayette, IN, United States
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H3K27me3 Inactivates SFRP1 to Promote Cell Proliferation via Wnt/β-Catenin Signaling Pathway in Esophageal Squamous Cell Carcinoma. Dig Dis Sci 2023; 68:2463-2473. [PMID: 36933113 DOI: 10.1007/s10620-023-07892-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 02/21/2023] [Indexed: 03/19/2023]
Abstract
BACKGROUND Histone methylations are generally considered to play an important role in multiple cancers by regulating cancer-related genes. AIMS This study aims to investigate the effects of H3K27me3-mediated inactivation of tumor suppressor gene SFRP1 and its function in esophageal squamous cell carcinoma (ESCC). METHODS We performed ChIP-seq on H3K27me3-enriched genomic DNA fragments in ESCC cells to screen out tumor suppressor genes that may be regulated by H3K27me3. ChIP-qPCR and Western blot were employed to explore the regulating mechanisms between H3K27me3 and SFRP1. Expression level of SFRP1 was assessed by quantitative real-time polymerase chain reaction (q-PCR) in 29 pairs of ESCC surgical samples. SFRP1 function in ESCC cells were detected by cell proliferation assay, colony formation assay and wound-healing assay. RESULTS Our results indicated that H3K27me3 was widely distributed in the genome of ESCC cells. Specifically, we found that H3K27me3 deposited on the upstream region of SFRP1 promoter and inactivated SFRP1 expression. Furthermore, we found SFRP1 was significantly down-regulated in ESCC tissues compared with the adjacent non-tumor tissues, and SFRP1 expression was significantly associated with TNM stage and lymph node metastasis. In vitro cell-based assay indicated that over-expression of SFRP1 significantly suppressed cell proliferation and negatively correlated with the expression of β-catenin in the nucleus. CONCLUSIONS Our study revealed a previously unrecognized finding that H3K27me3-mediated SFRP1 inhibit the cell proliferation of ESCC through inactivation of Wnt/β-catenin signaling pathway.
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Liu WJ, Zhao Y, Chen X, Miao ML, Zhang RQ. Epigenetic modifications in esophageal cancer: An evolving biomarker. Front Genet 2023; 13:1087479. [PMID: 36704345 PMCID: PMC9871503 DOI: 10.3389/fgene.2022.1087479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 12/19/2022] [Indexed: 01/12/2023] Open
Abstract
Esophageal cancer is a widespread cancer of the digestive system that has two main subtypes: esophageal squamous cell carcinoma (ESCC) and esophageal adenocarcinoma (EA). In the diverse range of cancer therapy schemes, the side effects of conventional treatments remain an urgent challenge to be addressed. Therefore, the pursuit of novel drugs with multiple targets, good efficacy, low side effects, and low cost has become a hot research topic in anticancer therapy. Based on this, epigenetics offers an attractive target for the treatment of esophageal cancer, where major mechanisms such as DNA methylation, histone modifications, non-coding RNA regulation, chromatin remodelling and nucleosome localization offer new opportunities for the prevention and treatment of esophageal cancer. Recently, research on epigenetics has remained at a high level of enthusiasm, focusing mainly on translating the basic research into the clinical setting and transforming epigenetic alterations into targets for cancer screening and detection in the clinic. With the increasing emergence of tumour epigenetic markers and antitumor epigenetic drugs, there are also more possibilities for anti-esophageal cancer treatment. This paper focuses on esophageal cancer and epigenetic modifications, with the aim of unravelling the close link between them to facilitate precise and personalized treatment of esophageal cancer.
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Affiliation(s)
- Wen-Jian Liu
- Department of Thoracic Surgery, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Yuan Zhao
- Department of Thoracic Surgery, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Xu Chen
- School of Basic Medicine, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Man-Li Miao
- School of Basic Medicine, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Ren-Quan Zhang
- Department of Thoracic Surgery, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China,*Correspondence: Ren-Quan Zhang,
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Zhou M, Yan JQ, Chen QX, Yang YZ, Li YL, Ren YX, Weng ZJ, Zhang XF, Guan JX, Tang LY, Ren ZF. Association of H3K9me3 with breast cancer prognosis by estrogen receptor status. Clin Epigenetics 2022; 14:135. [PMID: 36303253 PMCID: PMC9609245 DOI: 10.1186/s13148-022-01363-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 10/17/2022] [Indexed: 12/24/2022] Open
Abstract
Background Cellular experiments revealed that a decreased histone H3 lysine 9 trimethylation (H3K9me3) level was associated with the upregulation of oncogenes in breast cancer cells. Moreover, the role of H3K9me3 in breast cancer was closely associated with estrogen receptor (ER) status. Therefore, we aimed to examine the prognostic value of H3K9me3 on breast cancer by ER status. The level of H3K9me3 in tumors were evaluated with tissue microarrays by immunohistochemistry for 917 women diagnosed with primary invasive breast cancer. Hazard ratios (HRs) and their 95% confidence intervals (CIs) for overall survival (OS) and progression-free survival (PFS) were estimated using Cox regression models. Interaction between H3K9me3 and ER on the prognosis was assessed on multiplicative scale. Results The level of H3K9me3 in tumor tissues was lower than that in adjacent tissues. The high level of H3K9me3 was associated with a better OS (HR = 0.43, 95% CI: 0.21–0.86) and PFS (HR = 0.49, 95% CI: 0.29–0.81) among only ER-positive but not ER-negative tumors. Moreover, the interaction between the level of H3K9me3 and ER status (negative and positive) on the prognosis was significant (Pinteraction = 0.011 for OS; Pinteraction = 0.022 for PFS). Furthermore, the ER-positive tumors were stratified by ER-low and ER-high positive tumors, and the prognostic role of H3K9me3 was significant among only ER-high positive patients (HR = 0.34, 95% CI: 0.13–0.85 for OS; HR = 0.47, 95% CI: 0.26–0.86 for PFS). Conclusions Our study showed that the prognostic value of H3K9me3 on breast cancer was related to ER status and expression level, and the high level of H3K9me3 was associated with a better prognosis among ER-positive tumors, particularly ER-high positive tumors. Supplementary Information The online version contains supplementary material available at 10.1186/s13148-022-01363-y.
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Affiliation(s)
- Meng Zhou
- grid.12981.330000 0001 2360 039XSchool of Public Health, Sun Yat-sen University, 74 Zhongshan 2nd Rd, Guangzhou, 510080 China
| | - Jin-qi Yan
- grid.12981.330000 0001 2360 039XSchool of Public Health, Sun Yat-sen University, 74 Zhongshan 2nd Rd, Guangzhou, 510080 China
| | - Qian-xin Chen
- grid.12981.330000 0001 2360 039XSchool of Public Health, Sun Yat-sen University, 74 Zhongshan 2nd Rd, Guangzhou, 510080 China
| | - Yuan-zhong Yang
- grid.488530.20000 0004 1803 6191The Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Yue-lin Li
- grid.12981.330000 0001 2360 039XSchool of Public Health, Sun Yat-sen University, 74 Zhongshan 2nd Rd, Guangzhou, 510080 China ,grid.12981.330000 0001 2360 039XThe First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yue-xiang Ren
- grid.12981.330000 0001 2360 039XThe Third Affiliated Hospital, Sun Yat-sen University, 600 Tianhe Rd, Guangzhou, 510630 China
| | - Zi-jin Weng
- grid.12981.330000 0001 2360 039XThe Third Affiliated Hospital, Sun Yat-sen University, 600 Tianhe Rd, Guangzhou, 510630 China
| | - Xiao-fang Zhang
- grid.12981.330000 0001 2360 039XThe Third Affiliated Hospital, Sun Yat-sen University, 600 Tianhe Rd, Guangzhou, 510630 China
| | - Jie-xia Guan
- grid.12981.330000 0001 2360 039XThe Third Affiliated Hospital, Sun Yat-sen University, 600 Tianhe Rd, Guangzhou, 510630 China
| | - Lu-ying Tang
- grid.12981.330000 0001 2360 039XThe Third Affiliated Hospital, Sun Yat-sen University, 600 Tianhe Rd, Guangzhou, 510630 China
| | - Ze-fang Ren
- grid.12981.330000 0001 2360 039XSchool of Public Health, Sun Yat-sen University, 74 Zhongshan 2nd Rd, Guangzhou, 510080 China
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Lam-Ubol A, Phattarataratip E. Distinct histone H3 modification profiles correlate with aggressive characteristics of salivary gland neoplasms. Sci Rep 2022; 12:15063. [PMID: 36064736 PMCID: PMC9445049 DOI: 10.1038/s41598-022-19174-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Accepted: 08/25/2022] [Indexed: 11/09/2022] Open
Abstract
Post-translational modification of histones is the crucial event that affect many tumor-specific traits. A diverse type of histone modifications had been reported in different cancers with prognostic implications. This study aimed to examine the degree of histone H3 modifications in salivary gland neoplasms and their associations with tumor pathologic characteristics and proliferative activity. The expression of H3K9Ac, H3K18Ac, H3K9Me3 and Ki-67 in 70 specimens of salivary gland neoplasms, consisting of 30 mucoepidermoid carcinoma (MEC), 20 adenoid cystic carcinoma (ACC) and 20 pleomorphic adenoma (PA), were investigated immunohistochemically. The immunohistochemical scoring of 3 histone modification types and Ki-67 labeling index were determined. Overall, MEC demonstrated elevated H3K9Ac level compared with benign PA. Increased H3K9Me3 in MEC was positively correlated with small nest invasion at tumor front, advanced pathologic grade, and elevated proliferative index. In addition, the significant upregulation of all 3 types of histone H3 modification was noted in solid subtype of ACC and associated with increased cell proliferation. This study indicates that salivary gland neoplasms differentially acquire distinct patterns of histone H3 modification, which impact prognostically relevant cancer phenotypes. The hyperacetylation and methylation of histone H3 could be underpinning the prognostically worsen solid type of ACC, and the trimethylation of H3K9 may be involved in aggressive characteristics of MEC.
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Affiliation(s)
- Aroonwan Lam-Ubol
- Department of Oral Surgery and Oral Medicine, Faculty of Dentistry, Srinakharinwirot University, 114 Sukhumvit 23 Wattana, Bangkok, 10110, Thailand
| | - Ekarat Phattarataratip
- Department of Oral Pathology, Faculty of Dentistry, Chulalongkorn University, Henri-Dunant Road, Pathumwan, Bangkok, 10330, Thailand.
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Comprehensive Analysis of Histone Modifications in Hepatocellular Carcinoma Reveals Different Subtypes and Key Prognostic Models. JOURNAL OF ONCOLOGY 2022; 2022:5961603. [PMID: 35957801 PMCID: PMC9359864 DOI: 10.1155/2022/5961603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 06/01/2022] [Accepted: 06/07/2022] [Indexed: 11/17/2022]
Abstract
Histone modification, an important epigenetic mechanism, is related to the carcinogenesis of hepatocellular carcinoma (HCC). In three datasets, we screened 88 epigenetic-dysregulated PCGs (epi-PCGs) , which were significantly associated with HCC survival and could cluster HCC into three molecular subtypes. These subtypes were associated with prognosis, immunomodulatory alterations, and response to different treatment strategies. Based on 88 epi-PCGs in the TCGA training set, a risk prediction model composed of 4 epi-PCGs was established. The model was closely related to the clinicopathological features and showed a strong predictive ability in different clinical subgroups. In addition, the risk prediction model was an independent prognostic factor for patients with HCC. The significance of epi-PCGs in HCC is revealed by our data analysis.
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Xiao C, Fan T, Tian H, Zheng Y, Zhou Z, Li S, Li C, He J. H3K36 trimethylation-mediated biological functions in cancer. Clin Epigenetics 2021; 13:199. [PMID: 34715919 PMCID: PMC8555273 DOI: 10.1186/s13148-021-01187-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 10/19/2021] [Indexed: 12/12/2022] Open
Abstract
Histone modification is an important form of epigenetic regulation. Thereinto, histone methylation is a critical determination of chromatin states, participating in multiple cellular processes. As a conserved histone methylation mark, histone 3 lysine 36 trimethylation (H3K36me3) can mediate multiple transcriptional-related events, such as the regulation of transcriptional activity, transcription elongation, pre-mRNA alternative splicing, and RNA m6A methylation. Additionally, H3K36me3 also contributes to DNA damage repair. Given the crucial function of H3K36me3 in genome regulation, the roles of H3K36me3 and its sole methyltransferase SETD2 in pathogenesis, especially malignancies, have been emphasized in many studies, and it is conceivable that disruption of histone methylation regulatory network composed of "writer", "eraser", "reader", and the mutation of H3K36me3 codes have the capacity of powerfully modulating cancer initiation and development. Here we review H3K36me3-mediated biological processes and summarize the latest findings regarding its role in cancers. We highlight the significance of epigenetic combination therapies in cancers.
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Affiliation(s)
- Chu Xiao
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Tao Fan
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - He Tian
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Yujia Zheng
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Zheng Zhou
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Shuofeng Li
- Department of Colorectal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Chunxiang Li
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China.
| | - Jie He
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China.
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Herlihy CP, Hahn S, Hermance NM, Crowley EA, Manning AL. Suv420 enrichment at the centromere limits Aurora B localization and function. J Cell Sci 2021; 134:jcs249763. [PMID: 34342353 PMCID: PMC8353524 DOI: 10.1242/jcs.249763] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Accepted: 07/05/2021] [Indexed: 12/16/2022] Open
Abstract
Centromere structure and function are defined by the epigenetic modification of histones at centromeric and pericentromeric chromatin. The constitutive heterochromatin found at pericentromeric regions is highly enriched for H3K9me3 and H4K20me3. Although mis-expression of the methyltransferase enzymes that regulate these marks, Suv39 and Suv420, is common in disease, the consequences of such changes are not well understood. Our data show that increased centromere localization of Suv39 and Suv420 suppresses centromere transcription and compromises localization of the mitotic kinase Aurora B, decreasing microtubule dynamics and compromising chromosome alignment and segregation. We find that inhibition of Suv420 methyltransferase activity partially restores Aurora B localization to centromeres and that restoration of the Aurora B-containing chromosomal passenger complex to the centromere is sufficient to suppress mitotic errors that result when Suv420 and H4K20me3 is enriched at centromeres. Consistent with a role for Suv39 and Suv420 in negatively regulating Aurora B, high expression of these enzymes corresponds with increased sensitivity to Aurora kinase inhibition in human cancer cells, suggesting that increased H3K9 and H4K20 methylation may be an underappreciated source of chromosome mis-segregation in cancer. This article has an associated First Person interview with the first author of the paper.
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Affiliation(s)
| | | | | | | | - Amity L. Manning
- Department of Biology and Biotechnology, Worcester Polytechnic Institute, Worcester, MA, 01609USA
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12
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Klonou A, Korkolopoulou P, Gargalionis AN, Kanakoglou DS, Katifelis H, Gazouli M, Chlamydas S, Mitsios A, Kalamatianos T, Stranjalis G, Themistocleous MS, Papavassiliou KA, Sgouros S, Papavassiliou AG, Piperi C. Histone Mark Profiling in Pediatric Astrocytomas Reveals Prognostic Significance of H3K9 Trimethylation and Histone Methyltransferase SUV39H1. Neurotherapeutics 2021; 18:2073-2090. [PMID: 34296393 PMCID: PMC8609021 DOI: 10.1007/s13311-021-01090-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/07/2021] [Indexed: 02/04/2023] Open
Abstract
Alterations in global histone methylation regulate gene expression and participate in cancer onset and progression. The profile of histone methylation marks in pediatric astrocytomas is currently understudied with limited data on their distribution among grades. The global expression patterns of repressive histone marks H3K9me3, H3K27me3, and H4K20me3 and active H3K4me3 and H3K36me3 along with their writers SUV39H1, SETDB1, EZH2, MLL2, and SETD2 were investigated in 46 pediatric astrocytomas and normal brain tissues. Associations between histone marks and modifying enzymes with clinicopathological characteristics and disease-specific survival were studied along with their functional impact in proliferation and migration of pediatric astrocytoma cell lines using selective inhibitors in vitro. Upregulation of histone methyltransferase gene expression and deregulation of histone code were detected in astrocytomas compared to normal brain tissues, with higher levels of SUV39H1, SETDB1, and SETD2 as well as H4K20me3 and H3K4me3 histone marks. Pilocytic astrocytomas exhibited lower MLL2 levels compared to diffusely infiltrating tumors indicating a differential pattern of epigenetic regulator expression between the two types of astrocytic neoplasms. Moreover, higher H3K9me3, H3K36me3, and SETDB1 expression was detected in grade IIΙ/IV compared to grade II astrocytomas. In univariate analysis, elevated H3K9me3 and MLL2 and diminished SUV39H1 expression adversely affected survival. Upon multivariate survival analysis, only SUV39H1 expression was revealed as an independent prognostic factor of adverse significance. Treatment of pediatric astrocytoma cell lines with SUV39H1 inhibitor reduced proliferation and cell migration. Our data implicate H3K9me3 and SUV39H1 in the pathobiology of pediatric astrocytomas, with SUV39H1 yielding prognostic information independent of other clinicopathologic variables.
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Affiliation(s)
- Alexia Klonou
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 75 Mikras Asias Street, 11527, Athens, Greece
| | - Penelope Korkolopoulou
- First Department of Pathology, Medical School, National and Kapodistrian University of Athens, 11527, Athens, Greece
| | - Antonios N Gargalionis
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 75 Mikras Asias Street, 11527, Athens, Greece
| | - Dimitrios S Kanakoglou
- First Department of Pathology, Medical School, National and Kapodistrian University of Athens, 11527, Athens, Greece
| | - Hector Katifelis
- Laboratory of Biology, Medical School, National and Kapodistrian University of Athens, 11527, Athens, Greece
| | - Maria Gazouli
- Laboratory of Biology, Medical School, National and Kapodistrian University of Athens, 11527, Athens, Greece
| | - Sarantis Chlamydas
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 75 Mikras Asias Street, 11527, Athens, Greece
| | - Andreas Mitsios
- Department of Neurosurgery, Agia Sofia' Children's Hospital, Medical School, National and Kapodistrian University of Athens, 11527, Athens, Greece
| | - Theodosis Kalamatianos
- Department of Neurosurgery, 'Evangelismos' Hospital, Medical School, National and Kapodistrian University of Athens, 10676, Athens, Greece
| | - George Stranjalis
- Department of Neurosurgery, 'Evangelismos' Hospital, Medical School, National and Kapodistrian University of Athens, 10676, Athens, Greece
| | - Marios S Themistocleous
- Department of Neurosurgery, Agia Sofia' Children's Hospital, Medical School, National and Kapodistrian University of Athens, 11527, Athens, Greece
| | - Kostas A Papavassiliou
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 75 Mikras Asias Street, 11527, Athens, Greece
| | - Spyros Sgouros
- Department of Pediatric Neurosurgery, 'Mitera' Children's Hospital, Medical School, National and Kapodistrian University of Athens, 15123, Athens, Greece
| | - Athanasios G Papavassiliou
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 75 Mikras Asias Street, 11527, Athens, Greece.
| | - Christina Piperi
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 75 Mikras Asias Street, 11527, Athens, Greece.
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13
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Kim HG, Sung JY, Na K, Kim SW. Low H3K9me3 Expression Is Associated With Poor Prognosis in Patients With Distal Common Bile Duct Cancer. In Vivo 2021; 34:3619-3626. [PMID: 33144476 DOI: 10.21873/invivo.12207] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 09/07/2020] [Accepted: 09/10/2020] [Indexed: 12/24/2022]
Abstract
BACKGROUND/AIM Histone modification is associated with tumorigenesis and cancer progression. Recent studies have revealed the prognostic value of histone modification; however, its prognostic role in distal bile duct cancer remains unclear. PATIENTS AND METHODS We analyzed the expression of H3K9me3, H4K20me3, and H3K36me3 and its correlation with survival outcomes in resected samples from 88 patients with distal bile duct cancer. RESULTS Low expression rates of H3K9me3, H4K20me3, and H3K36me3 were significantly associated with poor overall survival (p=0.003, 0.008, and 0.047, respectively) and event-free survival (p=0.03 for H3K9m3). Additionally, low-expression of H3K9me3 was an independent poor prognostic indicator (p<0.001; HR=7.85; 95% CI=2.693-22.883). CONCLUSION H3K9me3 was an independent poor prognostic factor in distal common bile duct cancer. Our results suggest that histone markers are potential prognostic markers and provide better management for patients at risk for an aggressive course of disease.
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Affiliation(s)
- Han Gyeol Kim
- Department of Medicine, Graduate School, Kyung Hee University, Seoul, Republic of Korea.,Department of Pathology, Kyung Hee University Hospital, Kyung Hee University College of Medicine, Seoul, Republic of Korea
| | - Ji-Youn Sung
- Department of Pathology, Kyung Hee University Hospital, Kyung Hee University College of Medicine, Seoul, Republic of Korea
| | - Kiyong Na
- Department of Pathology, Kyung Hee University Hospital, Kyung Hee University College of Medicine, Seoul, Republic of Korea
| | - So-Woon Kim
- Department of Pathology, Kyung Hee University Hospital, Kyung Hee University College of Medicine, Seoul, Republic of Korea
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14
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Shen X, Li Y, Xu Y, Liu M, Zhang Q, Yin R, Zhou M, Lin S, Fan H. Hypoxia-inducible factor-1α cooperates with histone Lys methylation to predict prognosis in esophageal squamous cell carcinoma. Biomark Med 2021; 15:509-522. [PMID: 33856264 DOI: 10.2217/bmm-2020-0256] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Aim: To investigate hypoxia-inducible factor-1α (HIF-1α) and histone methylation markers as potential indicators of prognosis in esophageal squamous cell carcinoma (ESCC). Patients & methods: The prognostic value of HIF-1α and histone methylation markers levels was analyzed using Kaplan-Meier survival analysis. Results: HIF-1α protein expression was higher in ESCC tumors than in paracancerous tissues. Histone H3 Lys9 trimethylation (H3K9me3), histone H3 Lys27 trimethylation (H3K27me3), histone H3 Lys4 trimethylation (H3K4me3) and histone H4 Lys20 trimethylation (H4K20me3) were significantly upregulated in ESCC tissues. HIF-1α was only positively correlated with H3K9me3 and H3K4me3 expression. Kaplan-Meier analysis indicated that H3K9me3, H3K27me3, H4K20me3 and histone H3 Lys36 trimethylation (H3K36me3) were independent indicators of prognosis for ESCC. Conclusion: This study identified a pattern of epigenetic methylation markers and HIF-1α expression in ESCC, and their combined evaluation might improve survival prediction for ESCC patients.
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Affiliation(s)
- Xiaohui Shen
- Department of Medical Genetics & Developmental Biology, Medical School of Southeast University, The Key Laboratory of Developmental Genes & Human Diseases, Ministry of Education, Southeast University, Nanjing, 210009, China
| | - Yiping Li
- Department of Pathology and Pathophysiology, Medical School of Southeast University, Nanjing, 210009, China
| | - Ying Xu
- School of Life Science, Southeast University, Nanjing, 210018, China
| | - Min Liu
- School of Life Science, Southeast University, Nanjing, 210018, China
| | - Qin Zhang
- Department of Thoracic Surgery, The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Jiangsu Key Laboratory of Molecular & Translational Cancer Research, Nanjing, 210009, China
| | - Rong Yin
- Department of Thoracic Surgery, The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Jiangsu Key Laboratory of Molecular & Translational Cancer Research, Nanjing, 210009, China
| | - Menghan Zhou
- School of Life Science, Southeast University, Nanjing, 210018, China
| | - Shaofeng Lin
- School of Life Science, Southeast University, Nanjing, 210018, China
| | - Hong Fan
- Department of Medical Genetics & Developmental Biology, Medical School of Southeast University, The Key Laboratory of Developmental Genes & Human Diseases, Ministry of Education, Southeast University, Nanjing, 210009, China
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15
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Liu MJ, Na RS, Bi FL, Tang WL, Yang HX. Cu(II)-based coordination polymers: structural determination and protective effect on myocardial ischemia-reperfusion injury by reducing inflammatory response. INORG NANO-MET CHEM 2021. [DOI: 10.1080/24701556.2020.1769660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Ming-Jie Liu
- Medicinal Chemistry and Pharmacology Institute, Inner Mongolia University for Nationalities, Tongliao, China
| | - Ri-Song Na
- Medicinal Chemistry and Pharmacology Institute, Inner Mongolia University for Nationalities, Tongliao, China
| | - Fu-Long Bi
- Medicinal Chemistry and Pharmacology Institute, Inner Mongolia University for Nationalities, Tongliao, China
| | - Wen-Li Tang
- Medicinal Chemistry and Pharmacology Institute, Inner Mongolia University for Nationalities, Tongliao, China
| | - Hong-Xia Yang
- Health Care Department, Outpatient Department of Lanzhou Military Region, The 940th Hospital of Joint Logistics Support Force of Chinese People’s Liberation Army, Lanzhou, China
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16
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Yushanjiang F, Abudula X, Zhang QS. A new Co(II) coordination polymer: crystal structure and treatment activity on viral myocarditis by reducing CVB3 virus burdens. INORG NANO-MET CHEM 2020. [DOI: 10.1080/24701556.2020.1749074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
| | | | - Qing-Shan Zhang
- Mongolian Medicine Pharmacology, Tongliao, Inner Mongolia, China
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17
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Vougiouklakis T, Bernard BJ, Nigam N, Burkitt K, Nakamura Y, Saloura V. Clinicopathologic significance of protein lysine methyltransferases in cancer. Clin Epigenetics 2020; 12:146. [PMID: 33050946 PMCID: PMC7557092 DOI: 10.1186/s13148-020-00897-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 07/01/2020] [Indexed: 12/26/2022] Open
Abstract
Protein lysine methyltransferases (PKMTs) constitute a large family of approximately 50 chromatin modifiers that mono-, di- and/or tri-methylate lysine residues on histone and non-histone substrates. With the advent of The Cancer Genome Atlas, it became apparent that this family of chromatin modifiers harbors frequent genetic and expression alterations in multiple types of cancer. In this regard, past and ongoing preclinical studies have provided insight into the mechanisms of action of some of these enzymes, laying the ground for the ongoing development of PKMT inhibitors as novel anticancer therapeutics. The purpose of this review is to summarize existing data obtained by different research groups through immunohistochemical analysis of the protein expression levels of PKMTs, and their respective clinicopathologic associations. We focused on studies that used immunohistochemistry to associate protein expression levels of specific PKMTs, as well as several established histone methylation marks, with clinicopathologic features and survival outcomes in various cancer types. We also review ongoing clinical trials of PKMT inhibitors in cancer treatment. This review underscores the clinical relevance and potential of targeting the family of PKMT enzymes as the next generation of cancer therapy.
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Affiliation(s)
| | - Benjamin J Bernard
- Thoracic and GI Malignancies Branch, Center for Cancer Research, National Cancer Institute, 41 Medlars Drive, National Cancer Institute, Bethesda, MD, 20892, USA
| | - Nupur Nigam
- Thoracic and GI Malignancies Branch, Center for Cancer Research, National Cancer Institute, 41 Medlars Drive, National Cancer Institute, Bethesda, MD, 20892, USA
| | - Kyunghee Burkitt
- Thoracic and GI Malignancies Branch, Center for Cancer Research, National Cancer Institute, 41 Medlars Drive, National Cancer Institute, Bethesda, MD, 20892, USA
| | - Yusuke Nakamura
- Cancer Precision Medicine Research Center, Japanese Foundation for Cancer Research, Koto, Japan
| | - Vassiliki Saloura
- Thoracic and GI Malignancies Branch, Center for Cancer Research, National Cancer Institute, 41 Medlars Drive, National Cancer Institute, Bethesda, MD, 20892, USA.
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18
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Zhou M, Mao Y, Yu S, Li Y, Yin R, Zhang Q, Lu T, Sun R, Lin S, Qian Y, Xu Y, Fan H. LINC00673 Represses CDKN2C and Promotes the Proliferation of Esophageal Squamous Cell Carcinoma Cells by EZH2-Mediated H3K27 Trimethylation. Front Oncol 2020; 10:1546. [PMID: 33014799 PMCID: PMC7461945 DOI: 10.3389/fonc.2020.01546] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 07/20/2020] [Indexed: 12/24/2022] Open
Abstract
Long non-coding RNAs (lncRNAs), some of the most abundant epigenetic regulators, play an important role in esophageal squamous cell carcinoma (ESCC). In the current study, the functions and mechanisms of the lncRNA LINC00673 were investigated. The expression levels of LINC00673 and its potential target genes were assessed by quantitative real-time polymerase chain reaction (qPCR) in ESCC surgical specimens and ESCC cell lines. RNA fluorescence in situ hybridization (RNA FISH) was employed to detect the subcellular location and the levels of LINC00673 in ESCC samples from patients with different survival times. LINC00673 function in ESCC carcinogenesis was also evaluated in vivo and in vitro. Cell cycle synchronization was performed using serum withdrawal; the cell cycle was monitored by fluorescence analysis and cellular DNA was detected by flow cytometry. The molecular mechanisms underlying LINC00673 were explored via Western blotting, chromatin immunoprecipitation (ChIP), and ChIP-PCR. Up-regulated LINC00673 was associated with poor prognosis in ESCC patients and promoted the proliferation of ESCC cells both in vitro and in vivo. Compared to the control group, depletion of LINC00673 in ESCC cells arrested the cell cycle, at least, at the G1/S checkpoint. Knockdown of LINC00673 significantly enhanced posttranscriptional expression of CDKN2C, and histone 3 lysine 27 trimethylation (H3K27me3) was enriched at the promoter region of CDKN2C. After inhibiting EZH2, the CDKN2C expression levels were increased. The present findings are the first to reveal that LINC00673 represses CDKN2C expression and promotes ESCC cell proliferation by elevating EZH2-mediated H3K27me3 levels. These data suggest that LINC00673 regulates the cell cycle in ESCC and that it is a promising target for clinical therapy.
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Affiliation(s)
- Menghan Zhou
- The Key Laboratory of Developmental Genes and Human Diseases, Ministry of Education, Department of Medical Genetics and Developmental Biology, Medical School of Southeast University, Nanjing, China.,School of Life Sciences and Technology, Southeast University, Nanjing, China
| | - Yuhang Mao
- School of Life Sciences and Technology, Southeast University, Nanjing, China
| | - Shenling Yu
- School of Life Sciences and Technology, Southeast University, Nanjing, China
| | - Yiping Li
- Department of Pathology and Pathophysiology, Medical School of Southeast University, Nanjing, China
| | - Rong Yin
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Department of Thoracic Surgery, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China
| | - Qin Zhang
- Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Department of Thoracic Surgery, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China
| | - Tianyu Lu
- The Key Laboratory of Developmental Genes and Human Diseases, Ministry of Education, Department of Medical Genetics and Developmental Biology, Medical School of Southeast University, Nanjing, China
| | - Rui Sun
- The Key Laboratory of Developmental Genes and Human Diseases, Ministry of Education, Department of Medical Genetics and Developmental Biology, Medical School of Southeast University, Nanjing, China
| | - Shaofeng Lin
- Department of Pathology, Fujian Cancer Hospital & Fujian Medical University Cancer Hospital, Fuzhou, China
| | - Yanyan Qian
- The Key Laboratory of Developmental Genes and Human Diseases, Ministry of Education, Department of Medical Genetics and Developmental Biology, Medical School of Southeast University, Nanjing, China
| | - Ying Xu
- School of Life Sciences and Technology, Southeast University, Nanjing, China
| | - Hong Fan
- The Key Laboratory of Developmental Genes and Human Diseases, Ministry of Education, Department of Medical Genetics and Developmental Biology, Medical School of Southeast University, Nanjing, China
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19
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Wang CH, Sheng B, Zhang Z, Deng M, Xue JJ, Ma YG. Luminescent Coordination Polymer for Picric Acid Detection and Treatment on Spinal Cord Injury Model Via Upregulating the trka Expression. J Fluoresc 2020; 30:621-627. [PMID: 32300978 DOI: 10.1007/s10895-020-02532-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 04/02/2020] [Indexed: 10/24/2022]
Abstract
A luminescent coordination polymer based on Tb(III) has been synthesized with the tripodal carboxylic acid ligand containing N,O codonors (H2PBA = 5-[4-pyridin-3-yl-benzoylamino]-isophthalic acid) as ligand under solvothermal conditions. The chemical formula of this polymer is {[Tb2(PBA)3(H2O)3]·DMF·3H2O}n (1). Complex 1 has good sensitivity and selectivity to picric acid (PA). At 0-30 μmol/L, 1's quenching constant is 4.5 × 104 L/mol. In the biological function study, the motor function of spinal cord-injured animals after different treatments was evaluated using the blood-brain barrier (BBB) method. The trka expression level on the neural stem cells after treatment was measured to reveal the underlying mechanism.
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Affiliation(s)
- Cheng-Hu Wang
- Department of orthopedics, Liaocheng People's Hospital, Liaocheng, Shandong, China
| | - Bin Sheng
- Department of orthopedics, Liaocheng People's Hospital, Liaocheng, Shandong, China
| | - Zhi Zhang
- Department of orthopedics, Liaocheng People's Hospital, Liaocheng, Shandong, China.
| | - Ming Deng
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Jin-Ju Xue
- Department of Geriatrics, Haikou People's Hospital, Haikou, Hainan, China
| | - Yong-Gang Ma
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
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20
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Wang J, Xu LF, Wu J, You GQ, Cai R, Wu CL. A water-stable eu(iii)-mof for phosphorescent detection of acetone and treatment effect on catheter-associated infections by inhibiting gram positive and negative bacteria survival. J COORD CHEM 2020. [DOI: 10.1080/00958972.2020.1743829] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Jing Wang
- Blood Purification Center, Yanghu Branch, Changzhou No.2 People’s Hospital, the Affiliated Hospital of Nanjing Medical University, Changzhou, Jiangsu, China
| | - Lin-Fang Xu
- Blood Purification Center, Yanghu Branch, Changzhou No.2 People’s Hospital, the Affiliated Hospital of Nanjing Medical University, Changzhou, Jiangsu, China
| | - Jing Wu
- Blood Purification Center, Yanghu Branch, Changzhou No.2 People’s Hospital, the Affiliated Hospital of Nanjing Medical University, Changzhou, Jiangsu, China
| | - Guang-Qing You
- Blood Purification Center, Yanghu Branch, Changzhou No.2 People’s Hospital, the Affiliated Hospital of Nanjing Medical University, Changzhou, Jiangsu, China
| | - Ru Cai
- Blood Purification Center, Yanghu Branch, Changzhou No.2 People’s Hospital, the Affiliated Hospital of Nanjing Medical University, Changzhou, Jiangsu, China
| | - Chun-Lei Wu
- Blood Purification Center, Yanghu Branch, Changzhou No.2 People’s Hospital, the Affiliated Hospital of Nanjing Medical University, Changzhou, Jiangsu, China
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