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Yuan J, Li G, Zhong F, Liao J, Zeng Z, Ouyang S, Xie H, Deng Z, Tang H, Ou X. SALL1 promotes proliferation and metastasis and activates phosphorylation of p65 and JUN in colorectal cancer cells. Pathol Res Pract 2023; 250:154827. [PMID: 37741137 DOI: 10.1016/j.prp.2023.154827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 09/13/2023] [Accepted: 09/17/2023] [Indexed: 09/25/2023]
Abstract
BACKGROUND Colorectal cancer (CRC) is one of the most usual malignant tumors, and its incidence continues to rise. Our purpose was to explore the function and potential regulatory mechanisms of SALL1, a differentially methylated gene in CRC, in vivo and in vitro. METHODS Firstly, methylation differential gene SALL1 in CRC was screened and validated. SALL1 overexpression plasmids or SALL1 siRNAs were transfected in HT-29 and SW480 cells. Moreover, 10 μM T-5224 was added in SALL1-overexpressed CRC cells. CCK-8, flow cytometry and transwell assays were utilized to assess cell proliferation, cycle, migration, and invasion, respectively. Then CRC organoids were cultured. Next, HT-29 and SW480 cells transfected with SALL1 overexpression lentivirus were analyzed by transcriptome sequencing. Finally, in vivo tumorigenesis was used to analyze the effect of SALL1 overexpression on subcutaneous tumorigenesis in nude mice. RESULTS The methylation level of CpG island in SALL1 promoter was increased in CRC tissues and could distinguish tumor tissues. Overexpression of SALL1 accelerated proliferation, migration and invasion of HT-29 and SW480 cells, and silencing of SALL1 attenuated proliferation, migration and invasion of HT-29 and SW480 cells. Through analysis and validation, we found that overexpression of SALL1 also could upregulate p-p65 and p-JUN expressions. Besides, c-Fos/activator protein (AP)- 1 inhibitor (T-5224) could reverse the induction of CRC progression by SALL1 overexpression. In vivo, we also proved that overexpression of SALL1 significantly increased tumor volume, tumor weight, and p-JUN expression. CONCLUSIONS SALL1 could promote the proliferation, migration, and invasion of CRC cells and activate phosphorylation of p65 and JUN.
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Affiliation(s)
- Jie Yuan
- Department of General Surgery, Foshan Clinical Medical School, Guangzhou University of Chinese Medicine, Foshan 528000, China; Department of General Surgery, Foshan Fosun Chancheng Hospital, Foshan 528000, China.
| | - Guiying Li
- Department of General Surgery, Foshan Fosun Chancheng Hospital, Foshan 528000, China
| | - Fei Zhong
- Department of General Surgery, Foshan Clinical Medical School, Guangzhou University of Chinese Medicine, Foshan 528000, China
| | - Jiannan Liao
- Department of General Surgery, Foshan Fosun Chancheng Hospital, Foshan 528000, China
| | - Zhiqiang Zeng
- Department of General Surgery, Foshan Clinical Medical School, Guangzhou University of Chinese Medicine, Foshan 528000, China; Department of General Surgery, Foshan Fosun Chancheng Hospital, Foshan 528000, China
| | - Shaoyong Ouyang
- Department of General Surgery, Foshan Fosun Chancheng Hospital, Foshan 528000, China
| | - Hong Xie
- Department of General Surgery, Foshan Fosun Chancheng Hospital, Foshan 528000, China
| | - Zhiliang Deng
- Department of General Surgery, Foshan Fosun Chancheng Hospital, Foshan 528000, China
| | - Hongmei Tang
- Pharmaceutical Department, First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510504, China
| | - Xiaowei Ou
- Department of General Surgery, Foshan Fosun Chancheng Hospital, Foshan 528000, China.
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Rong Y, Dong F, Zhang G, Tang M, Zhao X, Zhang Y, Tao P, Cai H. The crosstalking of lactate-Histone lactylation and tumor. Proteomics Clin Appl 2023; 17:e2200102. [PMID: 36853081 DOI: 10.1002/prca.202200102] [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: 11/30/2022] [Revised: 02/17/2023] [Accepted: 02/23/2023] [Indexed: 03/01/2023]
Abstract
Lactate was once considered to be a by-product of energy metabolism, but its unique biological value was only gradually explored with the advent of the Warburg effect. As an end product of glycolysis, lactate can act as a substrate for energy metabolism, a signal transduction molecule, a regulator of the tumor microenvironment and immune cells, and a regulator of the deubiquitination of specific enzymes, and is involved in various biological aspects of tumor regulation, including energy shuttling, growth and invasion, angiogenesis and immune escape. Furthermore, we describe a novel lactate-dependent epigenetic modification, namely histone lactylation modification, and review the progress of its study in tumors, mainly involving the reprogramming of tumor phenotypes, regulation of related gene expression, mediation of the glycolytic process in tumor stem cells (CSCs) and influence on the tumor immune microenvironment. The study of epigenetic regulation of tumor genes by histone modification is still in its infancy, and we expect that by summarizing the effects of lactate and histone modification on tumor and related gene regulation, we will clarify the scientific significance of future histone modification studies and the problems to be solved, and open up new fields for targeted tumor therapy.
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Affiliation(s)
- Yao Rong
- The First Clinical Medical College of Gansu University of Chinese Medicine (Gansu Provincial Hospital), Lanzhou, China
- General Surgery Clinical Medical Center, Gansu Provincial Hospital, Lanzhou, China
- Key Laboratory of Molecular Diagnostics and Precision Medicine for Surgical Oncology in Gansu Province, Gansu Provincial Hospital, Gansu, China
- NHC Key Laboratory of Diagnosis and Therapy of Gastrointestinal Tumor, Gansu Provincial Hospital, Lanzhou, China
| | - Fengyuan Dong
- Geriatrics Department, Lianyungang First People's Hospital, Lianyugang, China
| | - Guiqian Zhang
- The First Clinical Medical College of Gansu University of Chinese Medicine (Gansu Provincial Hospital), Lanzhou, China
- General Surgery Clinical Medical Center, Gansu Provincial Hospital, Lanzhou, China
- Key Laboratory of Molecular Diagnostics and Precision Medicine for Surgical Oncology in Gansu Province, Gansu Provincial Hospital, Gansu, China
- NHC Key Laboratory of Diagnosis and Therapy of Gastrointestinal Tumor, Gansu Provincial Hospital, Lanzhou, China
| | - Mingzheng Tang
- The First Clinical Medical College of Gansu University of Chinese Medicine (Gansu Provincial Hospital), Lanzhou, China
- General Surgery Clinical Medical Center, Gansu Provincial Hospital, Lanzhou, China
- Key Laboratory of Molecular Diagnostics and Precision Medicine for Surgical Oncology in Gansu Province, Gansu Provincial Hospital, Gansu, China
- NHC Key Laboratory of Diagnosis and Therapy of Gastrointestinal Tumor, Gansu Provincial Hospital, Lanzhou, China
| | - Xiashuang Zhao
- The First Clinical Medical College of Gansu University of Chinese Medicine (Gansu Provincial Hospital), Lanzhou, China
- General Surgery Clinical Medical Center, Gansu Provincial Hospital, Lanzhou, China
- Key Laboratory of Molecular Diagnostics and Precision Medicine for Surgical Oncology in Gansu Province, Gansu Provincial Hospital, Gansu, China
- NHC Key Laboratory of Diagnosis and Therapy of Gastrointestinal Tumor, Gansu Provincial Hospital, Lanzhou, China
| | - Yan Zhang
- Cadre Ward of General Surgery Department, Gansu Provincial Hospital, Lanzhou, China
| | - Pengxian Tao
- Cadre Ward of General Surgery Department, Gansu Provincial Hospital, Lanzhou, China
| | - Hui Cai
- General Surgery Clinical Medical Center, Gansu Provincial Hospital, Lanzhou, China
- Key Laboratory of Molecular Diagnostics and Precision Medicine for Surgical Oncology in Gansu Province, Gansu Provincial Hospital, Gansu, China
- NHC Key Laboratory of Diagnosis and Therapy of Gastrointestinal Tumor, Gansu Provincial Hospital, Lanzhou, China
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Zhu Q, Gu X, Wei W, Wu Z, Gong F, Dong X. BRD9 is an essential regulator of glycolysis that creates an epigenetic vulnerability in colon adenocarcinoma. Cancer Med 2022; 12:1572-1587. [PMID: 35778964 PMCID: PMC9883419 DOI: 10.1002/cam4.4954] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 05/28/2022] [Accepted: 06/07/2022] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND The intensive interplay between aberrant epigenetic events and metabolic remodeling represents one of the hallmarks of tumors, including colon cancer. The functions of Bromodomain Containing Protein BRD-9 in colon cancer remains indefinite. We aimed to identify the biological roles and clinical significance of BRD9 in colon cancer. METHODS The univariate- and multi-variate Cox regression models were used to screen risk epigenetic regulators. Kaplan-Meier analysis and Pearson correlation analysis were used to assess clinical significance of BRD9. CCK-8 assays, colony formation assay, Transwell, and soft-agar assay were performed to determine the in vitro roles of BRD9. The oxygen consumption rate (OCR) and extracellular acidification rate (ECAR) of colon cancer cells were evaluated by a Seahorse XF Extracellular Flux Analyzer. In vivo models and RT-qPCR, western blotting, and Chromatin Immunoprecipitation (ChIP) assay were conducted to explore the functional roles of BRD9 in COAD. RESULTS In the study, we detected the expressions of 662 epigenetic regulators in COAD and identified a series of 42 hazard epigenetic factors with p < 0.05. Low-throughput MTT assays highlighted that BRD9 is an essential target, and targeting BRD9 could reduce significant decreases of cell growth. BRD9 overexpression could notably elevate proliferation and migration potentialities, whereas, BRD9 ablation abolished these effects. Mechanistically, functional enrichment analysis indicated the potential associations between BRD9 and glycolysis metabolism. In addition, BRD9 epigenetically coordinates the H3K27ac modifications on the promoter regions of ENO2 and ALDOC, inducing enhanced glycolysis activity. Lastly, I-BRD9 could significantly suppress the growth of colon cancer cells in vitro and in vivo. CONCLUSIONS Together, our study revealed previously unidentified roles of BRD9 in colon cancer metabolism and tumor progression, indicating that BRD9 could be a valuable therapeutic target for COAD patients.
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Affiliation(s)
- Qunshan Zhu
- Department of General SurgeryThe First Affiliated Hospital of Soochow UniversitySuzhouChina,Department of General SurgeryJiangdu People's Hospital Affiliated to Medical College of Yangzhou UniversityYangzhouChina
| | - Xiang Gu
- Department of RadiotherapyJiangdu People's Hospital Affiliated to Medical College of Yangzhou UniversityYangzhouChina
| | - Wei Wei
- Department of General SurgeryJiangdu People's Hospital Affiliated to Medical College of Yangzhou UniversityYangzhouChina
| | - Zheng Wu
- Department of General SurgeryJiangdu People's Hospital Affiliated to Medical College of Yangzhou UniversityYangzhouChina
| | - Fengqin Gong
- Department of General SurgeryJiangdu People's Hospital Affiliated to Medical College of Yangzhou UniversityYangzhouChina
| | - Xiaoqiang Dong
- Department of General SurgeryThe First Affiliated Hospital of Soochow UniversitySuzhouChina
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Zhou R, Xie F, Liu K, Zhou X, Chen X, Chen J, Xi S, Huang Z, Rong X. Cross talk between acetylation and methylation regulators reveals histone modifier expression patterns posing prognostic and therapeutic implications on patients with colon cancer. Clin Epigenetics 2022; 14:70. [PMID: 35606881 PMCID: PMC9128235 DOI: 10.1186/s13148-022-01290-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 05/15/2022] [Indexed: 11/14/2022] Open
Abstract
Background Alterations in histone modifications have been reported to be related to tumorigenicity and tumor progression. However, whether histone modification can aid the classification of patients or influence clinical behavior in patients with colon cancer remains unclear. Therefore, this study aimed to evaluate histone modifier expression patterns using the unsupervised clustering of the transcriptomic expressions of 88 histone acetylation and methylation regulators. Results In this study, by consensus clustering analysis based on the transcriptome data of 88 histone modification regulators, we identified four distinct expression patterns of histone modifiers associated with different prognoses, intrinsic fluorouracil sensitivities, biological pathways, and tumor microenvironment characteristics among 1372 colon cancer samples. In these four clusters, the HMC4 cluster represented a stroma activation phenotype characterized by both the worst prognosis and lowest response rates to fluorouracil treatment. Then, we established a scoring scheme comprising 155 genes designated as “HM_score” by using the Boruta algorithm to distinguish colon cancer patients within the HMC4 cluster. Patients with a high HM_score were considered to have high stromal pathway activation, high stromal fraction, and an unfavorable prognosis. Further analyses indicated that a high HM_score also correlated with reduced therapeutic benefits from fluorouracil chemotherapy. Moreover, through CRISPR library screening, ZEB2 was found to be a critical driver gene that mediates fluorouracil resistance, which is associated with histone modifier expression patterns. Conclusions This study highlights that characterizing histone modifier expression patterns may help better understand the epigenetic mechanisms underlying tumor heterogeneity in patients with colon cancer and provide more personalized therapeutic strategies. Supplementary Information The online version contains supplementary material available at 10.1186/s13148-022-01290-y.
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Affiliation(s)
- Rui Zhou
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong, People's Republic of China
| | - Fuli Xie
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong, People's Republic of China
| | - Kuncai Liu
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong, People's Republic of China
| | - Xuee Zhou
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong, People's Republic of China
| | - Xuemei Chen
- Department of Radiotherapy, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, People's Republic of China
| | - Jinzhang Chen
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong, People's Republic of China.,State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Department of Hepatology Unit and Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Shaoyan Xi
- Department of Pathology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510515, Guangdong, People's Republic of China.
| | - Zhenhua Huang
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong, People's Republic of China.
| | - Xiaoxiang Rong
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong, People's Republic of China.
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Non-coding RNAs as emerging regulators and biomarkers in colorectal cancer. Mol Cell Biochem 2022; 477:1817-1828. [PMID: 35332394 DOI: 10.1007/s11010-022-04412-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 03/10/2022] [Indexed: 11/09/2022]
Abstract
CRC is the third most common cancer occurring worldwide and the second leading cause of cancer deaths. In the year 2020, 1,931,590 new cases of CRC and 935,173 deaths were reported. The last two decades have witnessed an intensive study of noncoding RNAs and their implications in various pathological conditions including cancer. Noncoding RNAs such as miRNAs, tsRNAs, piRNAs, lncRNAs, pseudogenes, and circRNAs have emerged as promising prognostic and diagnostic biomarkers in preclinical studies of cancer. Some of these noncoding RNAs have also been shown as promising therapeutic targets for cancer treatment. In this review, we have discussed the emerging roles of various types of noncoding RNAs in CRC and their future implications in colorectal cancer management and research.
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6
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Manco G, Lacerra G, Porzio E, Catara G. ADP-Ribosylation Post-Translational Modification: An Overview with a Focus on RNA Biology and New Pharmacological Perspectives. Biomolecules 2022; 12:biom12030443. [PMID: 35327636 PMCID: PMC8946771 DOI: 10.3390/biom12030443] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 03/02/2022] [Accepted: 03/10/2022] [Indexed: 02/04/2023] Open
Abstract
Cellular functions are regulated through the gene expression program by the transcription of new messenger RNAs (mRNAs), alternative RNA splicing, and protein synthesis. To this end, the post-translational modifications (PTMs) of proteins add another layer of complexity, creating a continuously fine-tuned regulatory network. ADP-ribosylation (ADPr) is an ancient reversible modification of cellular macromolecules, regulating a multitude of key functional processes as diverse as DNA damage repair (DDR), transcriptional regulation, intracellular transport, immune and stress responses, and cell survival. Additionally, due to the emerging role of ADP-ribosylation in pathological processes, ADP-ribosyltransferases (ARTs), the enzymes involved in ADPr, are attracting growing interest as new drug targets. In this review, an overview of human ARTs and their related biological functions is provided, mainly focusing on the regulation of ADP-ribosyltransferase Diphtheria toxin-like enzymes (ARTD)-dependent RNA functions. Finally, in order to unravel novel gene functional relationships, we propose the analysis of an inventory of human gene clusters, including ARTDs, which share conserved sequences at 3′ untranslated regions (UTRs).
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Affiliation(s)
- Giuseppe Manco
- Institute of Biochemistry and Cell Biology, National Research Council of Italy, Via P. Castellino 111, 80131 Naples, Italy;
- Correspondence: (G.M.); (G.C.)
| | - Giuseppina Lacerra
- Institute of Genetics and Biophysics “Adriano Buzzati-Traverso”, National Research Council of Italy, Via P. Castellino 111, 80131 Naples, Italy;
| | - Elena Porzio
- Institute of Biochemistry and Cell Biology, National Research Council of Italy, Via P. Castellino 111, 80131 Naples, Italy;
| | - Giuliana Catara
- Institute of Biochemistry and Cell Biology, National Research Council of Italy, Via P. Castellino 111, 80131 Naples, Italy;
- Correspondence: (G.M.); (G.C.)
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Tang SY, Zhou PJ, Meng Y, Zeng FR, Deng GT. Gastric cancer: An epigenetic view. World J Gastrointest Oncol 2022; 14:90-109. [PMID: 35116105 PMCID: PMC8790429 DOI: 10.4251/wjgo.v14.i1.90] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 05/17/2021] [Accepted: 12/23/2021] [Indexed: 02/06/2023] Open
Abstract
Gastric cancer (GC) poses a serious threat worldwide with unfavorable prognosis mainly due to late diagnosis and limited therapies. Therefore, precise molecular classification and search for potential targets are required for diagnosis and treatment, as GC is complicated and heterogeneous in nature. Accumulating evidence indicates that epigenetics plays a vital role in gastric carcinogenesis and progression, including histone modifications, DNA methylation and non-coding RNAs. Epigenetic biomarkers and drugs are currently under intensive evaluations to ensure efficient clinical utility in GC. In this review, key epigenetic alterations and related functions and mechanisms are summarized in GC. We focus on integration of existing epigenetic findings in GC for the bench-to-bedside translation of some pivotal epigenetic alterations into clinical practice and also describe the vacant field waiting for investigation.
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Affiliation(s)
- Si-Yuan Tang
- Department of Gastroenterology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China
| | - Pei-Jun Zhou
- Cancer Research Institute, School of Basic Medicine Science, Central South University, School of Basic Medicine Science, Central South University 410008, Hunan Province, China
| | - Yu Meng
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China
| | - Fu-Rong Zeng
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China
| | - Guang-Tong Deng
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China
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Dobre M, Salvi A, Pelisenco IA, Vasilescu F, De Petro G, Herlea V, Milanesi E. Crosstalk Between DNA Methylation and Gene Mutations in Colorectal Cancer. Front Oncol 2021; 11:697409. [PMID: 34277443 PMCID: PMC8281955 DOI: 10.3389/fonc.2021.697409] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 06/14/2021] [Indexed: 12/18/2022] Open
Abstract
Colorectal cancer (CRC) is often characterized by mutations and aberrant DNA methylation within the promoters of tumor suppressor genes and proto-oncogenes. The most frequent somatic mutations occur within KRAS and BRAF genes. Mutations of the KRAS gene have been detected in approximately 40% of patients, while mutations in BRAF have been detected less frequently at a rate of 10%. In this study, the DNA methylation levels of 22 candidate genes were evaluated in three types of tissue: mucosal tumoral tissue from 18 CRC patients, normal adjacent tissues from 10 CRC patients who underwent surgical resection, and tissue from a control group of six individuals with normal colonoscopies. A differential methylation profile of nine genes (RUNX3, SFRP1, WIF1, PCDH10, DKK2, DKK3, TMEFF2, OPCML, and SFRP2) presenting high methylation levels in tumoral compared to normal tissues was identified. KRAS mutations (codons 12 or 13) were detected in eight CRC cases, and BRAF mutations (codon 600) in four cases. One of the CRC patients presented concomitant mutations in KRAS codon 12 and BRAF, whereas seven patients did not present these mutations (WT). When comparing the methylation profile according to mutation status, we found that six genes (SFRP2, DKK2, PCDH10, TMEFF2, SFRP1, HS3ST2) showed a methylation level higher in BRAF positive cases than BRAF negative cases. The molecular sub-classification of CRC according to mutations and epigenetic modifications may help to identify epigenetic biomarkers useful in designing personalized strategies to improve patient outcomes.
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Affiliation(s)
- Maria Dobre
- Laboratory of Histopathology and Immunohistochemistry, Victor Babes National Institute of Pathology, Bucharest, Romania
| | - Alessandro Salvi
- Division of Biology and Genetics, Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | | | - Florina Vasilescu
- Laboratory of Histopathology and Immunohistochemistry, Victor Babes National Institute of Pathology, Bucharest, Romania
| | - Giuseppina De Petro
- Division of Biology and Genetics, Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Vlad Herlea
- Department of Pathology, Fundeni Clinical Institute, Bucharest, Romania
| | - Elena Milanesi
- Laboratory of Radiobiology, Victor Babes National Institute of Pathology, Bucharest, Romania
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