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Baba AM, Shah AA, Bayil I, Nayak S, Shyanti RK, Nissa N, Muzaffar M, Hajam MA, Akhtar R, Malla BA, Akhtar S, Singh RP, Dar NA. Polydatin inhibits histone deacetylase 1 and shows an anti-angiogenic action in head and neck squamous cell carcinoma. Med Oncol 2024; 41:278. [PMID: 39400755 DOI: 10.1007/s12032-024-02490-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2024] [Accepted: 08/27/2024] [Indexed: 10/15/2024]
Abstract
Polydatin, a natural derivative of resveratrol, has shown many anticancer properties. However, the underlying mechanisms of its anticancer properties including its effect on the epigenetic landscape are not well understood. Here, we explored the effect of polydatin on histone deacetylase 1 (HDAC1) activity. We used in silico approaches to assess the possible binding of polydatin to the active site pockets of HDAC1 and in vitro approaches to test the potential effects of the interaction on its enzymatic activity. As compared to SAHA, an approved drug, the polydatin showed stronger and stable binding to the HDAC1. The binding energy, conformational changes, formation of extra hydrogen bonding, and other interactions within and outside the active site all favour largely stable and strong polydatin binding to the enzyme. Further, the ADME and toxicity prediction values are encouraging for the evaluation of polydatin as a drug. The laboratory leg of the study substantiated that the polydatin binding was strong and stable enough to inhibit HDAC1 activity in UMS-CC-22B cells as demonstrated by an increase in H3K9 acetylation. In addition, polydatin treated cells showed attenuated proliferation. The in vitro tube formation and migration by HUVEC and UM-SCC-22B cells were inhibited by polydatin. The decreased tube formation due to HDAC1 inhibition is possibly due to up-regulation of the anti-angiogenic gene - TSP1 in UM-SCC-22B cells. As compared to SAHA, more promising results were shown both in its computational calculations and on the cell physiology features. Stronger and stable binding, more anti-proliferative and anti-angiogenic potential were observed with respect to polydatin. Further, the cell death was more pronounced with SAHA treatment. Therefore, polydatin might be a better anticancer drug and can have a potential to replace SAHA in combinational therapeutic regimen.
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Affiliation(s)
| | - Altaf Ahmad Shah
- Department of Bioengineering, Integral University, Lucknow, Uttar Pradesh, 226026, India
| | - Imren Bayil
- Department of Bioinformatics and Computational Biology, Gaziantep University, Gaziantep, Turkey
| | - Satyabrata Nayak
- School of Life Science, Jawaharlal Nehru University, New Delhi, India
| | - Ritis Kumar Shyanti
- School of Life Science, Jawaharlal Nehru University, New Delhi, India
- Department of Biological Sciences, Alabama State University, Montgomery, USA
| | - Najma Nissa
- Department of Biochemistry, University of Kashmir, Srinagar, India
| | - Mansha Muzaffar
- Department of Biochemistry, University of Kashmir, Srinagar, India
| | | | - Rezwan Akhtar
- Department of Biochemistry, University of Kashmir, Srinagar, India
| | | | - Salman Akhtar
- Department of Bioengineering, Integral University, Lucknow, Uttar Pradesh, 226026, India
- Novel Global Community Educational Foundation, Hebersham, NSW, 2770, Australia
| | - Rana P Singh
- School of Life Science, Jawaharlal Nehru University, New Delhi, India.
| | - Nazir Ahmad Dar
- Department of Biochemistry, University of Kashmir, Srinagar, India.
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2
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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 PMCID: PMC11287179 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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3
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Mao W, Wang B, Huang R, Sun Z, Yan M, Dong P. Histone modifications in head and neck squamous cell carcinoma. Front Oncol 2024; 14:1427725. [PMID: 38983924 PMCID: PMC11231198 DOI: 10.3389/fonc.2024.1427725] [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: 05/04/2024] [Accepted: 06/10/2024] [Indexed: 07/11/2024] Open
Abstract
Head and neck cancer is the main cause of cancer death worldwide, with squamous cell carcinoma (HNSCC) being the second most frequent subtype. HNSCC poses significant health threats due to its high incidence and poor prognosis, underscoring the urgent need for advanced research. Histone modifications play a crucial role in the regulation of gene expression and influencing various biological processes. In the context of HNSCC, aberrant histone modifications are increasingly recognized as critical contributors to its development and pathologic progression. This review demonstrates the molecular mechanisms, by which histone modifications such as acetylation, methylation, phosphorylation, and ubiquitination, impact the pathogenesis of HNSCC. The dysregulation of histone-modifying enzymes, including histone acetyltransferases (HATs), histone deacetylases (HDACs), and histone methyltransferases (HMTs), is discussed for its role in altering chromatin structure and gene expression in HNSCC. Moreover, we will explore the potential of targeting histone modifications as a therapeutic strategy, highlighting current preclinical and clinical studies that investigate histone deacetylase inhibitors (HDIs) and other epigenetic drugs, referring to the completed and ongoing clinical trials on those medications.
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Affiliation(s)
- Wei Mao
- Department of Otolaryngology-Head and Neck Surgery, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Baoxin Wang
- Department of Otolaryngology-Head and Neck Surgery, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Ruofei Huang
- Department of Otolaryngology-Head and Neck Surgery, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Zhenfeng Sun
- Department of Otolaryngology-Head and Neck Surgery, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Minzhu Yan
- Department of Otolaryngology-Head and Neck Surgery, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Pin Dong
- Department of Otolaryngology-Head and Neck Surgery, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
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Pan B, Liu C, Su J, Xia C. Activation of AMPK inhibits cervical cancer growth by hyperacetylation of H3K9 through PCAF. Cell Commun Signal 2024; 22:306. [PMID: 38831454 PMCID: PMC11145780 DOI: 10.1186/s12964-024-01687-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 05/28/2024] [Indexed: 06/05/2024] Open
Abstract
BACKGROUND Dysregulation in histone acetylation, a significant epigenetic alteration closely associated with major pathologies including cancer, promotes tumorigenesis, inactivating tumor-suppressor genes and activating oncogenic pathways. AMP-activated protein kinase (AMPK) is a cellular energy sensor that regulates a multitude of biological processes. Although a number of studies have identified the mechanisms by which AMPK regulates cancer growth, the underlying epigenetic mechanisms remain unknown. METHODS The impact of metformin, an AMPK activator, on cervical cancer was evaluated through assessments of cell viability, tumor xenograft model, pan-acetylation analysis, and the role of the AMPK-PCAF-H3K9ac signaling pathway. Using label-free quantitative acetylproteomics and chromatin immunoprecipitation-sequencing (ChIP) technology, the activation of AMPK-induced H3K9 acetylation was further investigated. RESULTS In this study, we found that metformin, acting as an AMPK agonist, activates AMPK, thereby inhibiting the proliferation of cervical cancer both in vitro and in vivo. Mechanistically, AMPK activation induces H3K9 acetylation at epigenetic level, leading to chromatin remodeling in cervical cancer. This also enhances the binding of H3K9ac to the promoter regions of multiple tumor suppressor genes, thereby promoting their transcriptional activation. Furthermore, the absence of PCAF renders AMPK activation incapable of inducing H3K9 acetylation. CONCLUSIONS In conclusion, our findings demonstrate that AMPK mediates the inhibition of cervical cancer growth through PCAF-dependent H3K9 acetylation. This discovery not only facilitates the clinical application of metformin but also underscores the essential role of PCAF in AMPK activation-induced H3K9 hyperacetylation.
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Affiliation(s)
- Botao Pan
- Foshan Women and Children Hospital, Foshan, 528000, China
| | - Can Liu
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, 515150, China
| | - Jiyan Su
- Foshan Women and Children Hospital, Foshan, 528000, China
| | - Chenglai Xia
- Foshan Women and Children Hospital, Foshan, 528000, China.
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, 515150, China.
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Chen Z, Li C, Zhou Y, Li P, Cao G, Qiao Y, Yao Y, Su J. Histone 3 lysine 9 acetylation-specific reprogramming regulates esophageal squamous cell carcinoma progression and metastasis. Cancer Gene Ther 2024; 31:612-626. [PMID: 38291129 DOI: 10.1038/s41417-024-00738-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 01/13/2024] [Accepted: 01/16/2024] [Indexed: 02/01/2024]
Abstract
Dysregulation of histone acetylation is widely implicated in tumorigenesis, yet its specific roles in the progression and metastasis of esophageal squamous cell carcinoma (ESCC) remain unclear. Here, we profiled the genome-wide landscapes of H3K9ac for paired adjacent normal (Nor), primary ESCC (EC) and metastatic lymph node (LNC) esophageal tissues from three ESCC patients. Compared to H3K27ac, we identified a distinct epigenetic reprogramming specific to H3K9ac in EC and LNC samples relative to Nor samples. This H3K9ac-related reprogramming contributed to the transcriptomic aberration of targeting genes, which were functionally associated with tumorigenesis and metastasis. Notably, genes with gained H3K9ac signals in both primary and metastatic lymph node samples (common-gained gene) were significantly enriched in oncogenes. Single-cell RNA-seq analysis further revealed that the corresponding top 15 common-gained genes preferred to be enriched in mesenchymal cells with high metastatic potential. Additionally, in vitro experiment demonstrated that the removal of H3K9ac from the common-gained gene MSI1 significantly downregulated its transcription, resulting in deficiencies in ESCC cell proliferation and migration. Together, our findings revealed the distinct characteristics of H3K9ac in esophageal squamous cell carcinogenesis and metastasis, and highlighted the potential therapeutic avenue for intervening ESCC through epigenetic modulation via H3K9ac.
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Affiliation(s)
- Zhenhui Chen
- School of Biomedical Engineering, School of Ophthalmology & Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, 325027, Zhejiang, China
- Oujiang Laboratory, Zhejiang Lab for Regenerative Medicine, Vision and Brain Health, Wenzhou, 325101, Zhejiang, China
| | - Chenghao Li
- School of Biomedical Engineering, School of Ophthalmology & Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, 325027, Zhejiang, China
| | - Yue Zhou
- School of Biomedical Engineering, School of Ophthalmology & Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, 325027, Zhejiang, China
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325011, Zhejiang, China
| | - Pengcheng Li
- School of Biomedical Engineering, School of Ophthalmology & Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, 325027, Zhejiang, China
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325011, Zhejiang, China
| | - Guoquan Cao
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
| | - Yunbo Qiao
- Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, 200125, China
| | - Yinghao Yao
- Oujiang Laboratory, Zhejiang Lab for Regenerative Medicine, Vision and Brain Health, Wenzhou, 325101, Zhejiang, China.
| | - Jianzhong Su
- School of Biomedical Engineering, School of Ophthalmology & Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, 325027, Zhejiang, China.
- Oujiang Laboratory, Zhejiang Lab for Regenerative Medicine, Vision and Brain Health, Wenzhou, 325101, Zhejiang, China.
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325011, Zhejiang, China.
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Mishra R. Oral tumor heterogeneity, its implications for patient monitoring and designing anti-cancer strategies. Pathol Res Pract 2024; 253:154953. [PMID: 38039738 DOI: 10.1016/j.prp.2023.154953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 11/11/2023] [Accepted: 11/15/2023] [Indexed: 12/03/2023]
Abstract
Oral cancer tumors occur in the mouth and are mainly derived from oral mucosa linings. It is one of the most common and fatal malignant diseases worldwide. The intratumor heterogeneity (ITH) of oral cancerous tumor is vast, so it is challenging to study and interpret. Due to environmental selection pressures, ITH arises through diverse genetic, epigenetic, and metabolic alterations. The ITH also talks about peri-tumoral vascular/ lymphatic growth, perineural permeation, tumor necrosis, invasion, and clonal expansion/ the coexistence of multiple subclones in a single tumor. The heterogeneity offers tumors the adaptability to survive, induce growth/ metastasis, and, most importantly, escape antitumor therapy. Unfortunately, the ITH is prioritized less in determining disease pathology than the traditional TNM classifications or tumor grade. Understanding ITH is challenging, but with the advancement of technology, this ITH can be decoded. Tumor genomics, proteomics, metabolomics, and other modern analyses can provide vast information. This information in clinics can assist in understanding a tumor's severity and be used for diagnostic, prognostic, and therapeutic decision-making. Lastly, the oral tumor ITH can lead to individualized, targeted therapy strategies fighting against OC.
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Affiliation(s)
- Rajakishore Mishra
- Department of Life Sciences, School of Natural Sciences, Central University of Jharkhand, Cheri-Manatu, Kamre, Ranchi 835 222, Jharkhand, India.
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Zohud O, Lone IM, Nashef A, Iraqi FA. Towards system genetics analysis of head and neck squamous cell carcinoma using the mouse model, cellular platform, and clinical human data. Animal Model Exp Med 2023; 6:537-558. [PMID: 38129938 PMCID: PMC10757216 DOI: 10.1002/ame2.12367] [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: 08/24/2023] [Accepted: 11/21/2023] [Indexed: 12/23/2023] Open
Abstract
Head and neck squamous cell cancer (HNSCC) is a leading global malignancy. Every year, More than 830 000 people are diagnosed with HNSCC globally, with more than 430 000 fatalities. HNSCC is a deadly diverse malignancy with many tumor locations and biological characteristics. It originates from the squamous epithelium of the oral cavity, oropharynx, nasopharynx, larynx, and hypopharynx. The most frequently impacted regions are the tongue and larynx. Previous investigations have demonstrated the critical role of host genetic susceptibility in the progression of HNSCC. Despite the advances in our knowledge, the improved survival rate of HNSCC patients over the last 40 years has been limited. Failure to identify the molecular origins of development of HNSCC and the genetic basis of the disease and its biological heterogeneity impedes the development of new therapeutic methods. These results indicate a need to identify more genetic factors underlying this complex disease, which can be better used in early detection and prevention strategies. The lack of reliable animal models to investigate the underlying molecular processes is one of the most significant barriers to understanding HNSCC tumors. In this report, we explore and discuss potential research prospects utilizing the Collaborative Cross mouse model and crossing it to mice carrying single or double knockout genes (e.g. Smad4 and P53 genes) to identify genetic factors affecting the development of this complex disease using genome-wide association studies, epigenetics, microRNA, long noncoding RNA, lncRNA, histone modifications, methylation, phosphorylation, and proteomics.
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Affiliation(s)
- Osayd Zohud
- Department of Clinical Microbiology and Immunology, Sackler Faculty of MedicineTel‐Aviv UniversityTel AvivIsrael
| | - Iqbal M. Lone
- Department of Clinical Microbiology and Immunology, Sackler Faculty of MedicineTel‐Aviv UniversityTel AvivIsrael
| | - Aysar Nashef
- Department of Oral and Maxillofacial SurgeryBaruch Padeh Medical CenterPoriyaIsrael
- Azrieli Faculty of MedicineBar‐Ilan UniversityRamat GanIsrael
| | - Fuad A. Iraqi
- Department of Clinical Microbiology and Immunology, Sackler Faculty of MedicineTel‐Aviv UniversityTel AvivIsrael
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Senhorello ILS, Matiz ORS, Canavari IC, Hernandez GV, Anai LA, Navarrete Ampuero RA, Pazzini JM, Prado CM, Meirelles FV, Vasconcelos RDO, Tinucci-Costa EM. Expression of acetylated histones H3 and H4 and histone deacetylase enzymes HDAC1, HDAC2 and HDAC6 in simple mammary carcinomas of female dogs. Front Genet 2023; 14:1257932. [PMID: 38028583 PMCID: PMC10666162 DOI: 10.3389/fgene.2023.1257932] [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: 07/13/2023] [Accepted: 10/05/2023] [Indexed: 12/01/2023] Open
Abstract
Histone deacetylation is an important mechanism involved in human breast cancer tumorigenesis and recent veterinary oncology studies also demonstrate a similar relationship in some canine neoplasms. The use of HDAC inhibitors in vitro and in vivo has demonstrated antitumor action on several strains of human and animal cancers. The present study aims to correlate the expression of H3K9Ac, H4K12Ac, HDAC1, HDAC2 and HDAC6 in simple mammary carcinomas in dogs with clinicopathological parameters and overall survival time. To this end, 61 samples of simple breast carcinomas were analyzed by the immunohistochemistry technique with subsequent validation of the antibodies by the Western Blot technique. The expressions obtained via a semi-quantitative way were categorized by assigning scores and classified into high or low expressions according to the given score, except for HDAC6, when the marking percentage was considered and subdivided into high and low expressions using the median value. For statistical analysis, the chi-square test or Fisher exact test were used as univariate analysis and correspondence analysis as a multivariate test, in addition to the Kaplan-Meier survival analysis. In the studied samples, the highest frequencies were determined for the high expression proteins H4K12Ac (88.5%), HDAC2 (65.6%) and HDAC6 (56.7%) and the low expression proteins H3K9Ac (73.8%) and HDAC1 (54.1%). An association between the low expression of HDAC1 and the presence of lymph node metastasis (p = 0.035) was indicated by univariate analysis while the high expression of HDAC1 was associated with favorable prognostic factors, such as the absence of lymph node metastasis and low mitotic index by multivariate analysis. Also, by multivariate analysis, the low expression of HDAC6 was correlated with the low expression of Ki67, smaller tumors, and better prognosis factors as well. Protein expression was not correlated with patients' overall survival time (p > 0.05). The high expressions of HDAC2 and HDAC6 in mammary carcinomas in female dogs may be useful information for research involving therapeutic targets with iHDACs since their inhibition favors hyperacetylation and transcription of tumor suppressor genes.
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Affiliation(s)
- Igor Luiz Salardani Senhorello
- Department of Veterinary Clinic and Surgery, Faculty of Agricultural and Veterinary Sciences, Universidade Estadual Paulista, Jaboticabal, SP, Brazil
- Department of Veterinarry Medicine, Universidade Vila Velha-UVV, Vila Velha, Espírito Santo, Brazil
| | - Oscar Rodrigo Sierra Matiz
- Department of Veterinary Clinic and Surgery, Faculty of Agricultural and Veterinary Sciences, Universidade Estadual Paulista, Jaboticabal, SP, Brazil
| | - Isabela Cristina Canavari
- Department of Veterinary Clinic and Surgery, Faculty of Agricultural and Veterinary Sciences, Universidade Estadual Paulista, Jaboticabal, SP, Brazil
| | | | | | | | | | - Cibele Maria Prado
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, Universidade de São Paulo-USP, Pirassununga, São Paulo, Brazil
| | - Flavio Vieira Meirelles
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, Universidade de São Paulo-USP, Pirassununga, São Paulo, Brazil
| | - Rosemeri de Oliveira Vasconcelos
- Department of Veterinary Clinic and Surgery, Faculty of Agricultural and Veterinary Sciences, Universidade Estadual Paulista, Jaboticabal, SP, Brazil
| | - e Mirela Tinucci-Costa
- Department of Veterinary Clinic and Surgery, Faculty of Agricultural and Veterinary Sciences, Universidade Estadual Paulista, Jaboticabal, SP, Brazil
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Tan Y, Wang Z, Xu M, Li B, Huang Z, Qin S, Nice EC, Tang J, Huang C. Oral squamous cell carcinomas: state of the field and emerging directions. Int J Oral Sci 2023; 15:44. [PMID: 37736748 PMCID: PMC10517027 DOI: 10.1038/s41368-023-00249-w] [Citation(s) in RCA: 59] [Impact Index Per Article: 59.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 08/25/2023] [Accepted: 09/04/2023] [Indexed: 09/23/2023] Open
Abstract
Oral squamous cell carcinoma (OSCC) develops on the mucosal epithelium of the oral cavity. It accounts for approximately 90% of oral malignancies and impairs appearance, pronunciation, swallowing, and flavor perception. In 2020, 377,713 OSCC cases were reported globally. According to the Global Cancer Observatory (GCO), the incidence of OSCC will rise by approximately 40% by 2040, accompanied by a growth in mortality. Persistent exposure to various risk factors, including tobacco, alcohol, betel quid (BQ), and human papillomavirus (HPV), will lead to the development of oral potentially malignant disorders (OPMDs), which are oral mucosal lesions with an increased risk of developing into OSCC. Complex and multifactorial, the oncogenesis process involves genetic alteration, epigenetic modification, and a dysregulated tumor microenvironment. Although various therapeutic interventions, such as chemotherapy, radiation, immunotherapy, and nanomedicine, have been proposed to prevent or treat OSCC and OPMDs, understanding the mechanism of malignancies will facilitate the identification of therapeutic and prognostic factors, thereby improving the efficacy of treatment for OSCC patients. This review summarizes the mechanisms involved in OSCC. Moreover, the current therapeutic interventions and prognostic methods for OSCC and OPMDs are discussed to facilitate comprehension and provide several prospective outlooks for the fields.
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Affiliation(s)
- Yunhan Tan
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, China
- West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Zhihan Wang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Mengtong Xu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Bowen Li
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Zhao Huang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Siyuan Qin
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Edouard C Nice
- Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC, Australia
| | - Jing Tang
- Department of Radiology, West China Hospital, Sichuan University, Chengdu, China.
| | - Canhua Huang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, China.
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10
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Moon SY, de Campos PS, Matte BF, Placone JK, Zanella VG, Martins MD, Lamers ML, Engler AJ. Cell contractility drives mechanical memory of oral squamous cell carcinoma. Mol Biol Cell 2023; 34:ar89. [PMID: 37342880 PMCID: PMC10398896 DOI: 10.1091/mbc.e22-07-0266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 06/06/2023] [Accepted: 06/15/2023] [Indexed: 06/23/2023] Open
Abstract
Matrix stiffening is ubiquitous in solid tumors and can direct epithelial-mesenchymal transition (EMT) and cancer cell migration. Stiffened niche can even cause poorly invasive oral squamous cell carcinoma (OSCC) cell lines to acquire a less adherent, more migratory phenotype, but mechanisms and durability of this acquired "mechanical memory" are unclear. Here, we observed that contractility and its downstream signals could underlie memory acquisition; invasive SSC25 cells overexpress myosin II (vs. noninvasive Cal27 cells) consistent with OSCC. However, prolonged exposure of Cal27 cells to a stiff niche or contractile agonists up-regulated myosin and EMT markers and enabled them to migrate as fast as SCC25 cells, which persisted even when the niche softened and indicated "memory" of their prior niche. Stiffness-mediated mesenchymal phenotype acquisition required AKT signaling and was also observed in patient samples, whereas phenotype recall on soft substrates required focal adhesion kinase (FAK) activity. Phenotype durability was further observed in transcriptomic differences between preconditioned Cal27 cells cultured without or with FAK or AKT antagonists, and such transcriptional differences corresponded to discrepant patient outcomes. These data suggest that mechanical memory, mediated by contractility via distinct kinase signaling, may be necessary for OSCC to disseminate.
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Affiliation(s)
- So Youn Moon
- Department of Bioengineering, University of California San Diego, La Jolla, CA 92093
- Sanford Consortium for Regenerative Medicine, La Jolla, CA 92037
| | | | | | - Jesse K. Placone
- Department of Bioengineering, University of California San Diego, La Jolla, CA 92093
- Department of Physics and Engineering, West Chester University of Pennsylvania, West Chester, PA 19383
| | - Virgı´lio G. Zanella
- Department of Oral Pathology, Federal University of Rio Grande do Sul
- Department of Head and Neck Surgery, Santa Rita Hospital, Santa Casa de Misericórdia de Porto, Alegre
| | | | - Marcelo Lazzaron Lamers
- Department of Oral Pathology, Federal University of Rio Grande do Sul
- Deparment of Morphological Sciences, Institute of Basic Health Sciences, Federal University of Rio Grande do Sul, Porto Alegre, RS 90035, Brazil
| | - Adam J. Engler
- Department of Bioengineering, University of California San Diego, La Jolla, CA 92093
- Sanford Consortium for Regenerative Medicine, La Jolla, CA 92037
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Barbeiro CDO, Fernandes D, Palaçon MP, Castilho RM, de Almeida LY, Bufalino A. Inflammatory Cells Can Alter the Levels of H3K9ac and γH2AX in Dysplastic Cells and Favor Tumor Phenotype. J Pers Med 2023; 13:jpm13040662. [PMID: 37109048 PMCID: PMC10141380 DOI: 10.3390/jpm13040662] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/06/2023] [Accepted: 04/08/2023] [Indexed: 04/29/2023] Open
Abstract
Oral potentially malignant disorders (OPMD) are clinical presentations that carry an increased risk of cancer development. Currently, epithelial dysplasia grade is based on architectural and cytological epithelial changes and is used to predict the malignant transformation of these lesions. However, predicting which OPMD will progress to a malignant tumor is very challenging. Inflammatory infiltrates can favor cancer development, and recent studies suggest that this association with OPMD lesions may be related to the etiology and/or aggressive clinical behavior of these lesions. Epigenetic changes such as histone modifications may mediate chronic inflammation and also favor tumor cells in immune resistance and evasion. This study aimed to evaluate the relationship between histone acetylation (H3K9ac) and DNA damage in the context of dysplastic lesions with prominent chronic inflammation. Immunofluorescence of "low-risk" and "high-risk" OPMD lesions (n = 24) and inflammatory fibrous hyperplasia (n = 10) as the control group was performed to assess histone acetylation levels and DNA damage through the phosphorylation of H2AX (γH2AX). Cell co-culture assays with PBMCs and oral keratinocyte cell lines (NOK-SI, DOK, and SCC-25) were performed to assess proliferation, adhesion, migration, and epithelial-mesenchymal transition (EMT). Oral dysplastic lesions showed a hypoacetylation of H3K9 and low levels of γH2AX compared to control. The contact of dysplastic oral keratinocytes with PBMCs favored EMT and the loss of cell-cell adhesion. On the other hand, p27 levels increased and cyclin E decreased in DOK, indicating cell cycle arrest. We conclude that the presence of chronic inflammation associated to dysplastic lesions is capable of promoting epigenetic alterations, which in turn can favor the process of malignant transformation.
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Affiliation(s)
- Camila de Oliveira Barbeiro
- Oral Medicine, Department of Diagnosis and Surgery, School of Dentistry, São Paulo State University (Unesp), Araraquara 14801-903, SP, Brazil
| | - Darcy Fernandes
- Oral Medicine, Department of Diagnosis and Surgery, School of Dentistry, São Paulo State University (Unesp), Araraquara 14801-903, SP, Brazil
| | - Mariana Paravani Palaçon
- Oral Medicine, Department of Diagnosis and Surgery, School of Dentistry, São Paulo State University (Unesp), Araraquara 14801-903, SP, Brazil
| | - Rogerio Moraes Castilho
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, University of Michigan, 1011N University Av, Ann Arbor, MI 48109-1078, USA
| | - Luciana Yamamoto de Almeida
- Oral Medicine, Department of Diagnosis and Surgery, School of Dentistry, São Paulo State University (Unesp), Araraquara 14801-903, SP, Brazil
| | - Andreia Bufalino
- Oral Medicine, Department of Diagnosis and Surgery, School of Dentistry, São Paulo State University (Unesp), Araraquara 14801-903, SP, Brazil
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12
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Vatsa PP, Jindal Y, Bhadwalkar J, Chamoli A, Upadhyay V, Mandoli A. Role of epigenetics in OSCC: an understanding above genetics. Med Oncol 2023; 40:122. [PMID: 36941511 DOI: 10.1007/s12032-023-01992-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Accepted: 03/08/2023] [Indexed: 03/22/2023]
Abstract
Oral cavity cancer is categorized under head and neck cancer that frequently develops from squamous cells hence also known as oral squamous cell carcinoma (OSCC). Although molecular markers for oral cavity cancer are already known, epigenetic signatures for the same haven't been explored much. Epigenetic and genetic alterations were initially thought to be discrete mechanisms driving the tumour but the whole exome sequencing of various cancers has revealed the interdependency of epigenetics and genetic alterations. The reversible nature of these epigenetic changes makes them an alluring target for cancer therapeutics. The primary epigenetic alterations in cancer include DNA methylation and histone modifications. These alterations are useful for patient early detection and prognostication. This review summarizes the epigenetic perspective to understand the etiology, epigenetic biomarkers, and epi-drugs for better predictive diagnosis and treatment of OSCC.
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Affiliation(s)
- Priyanka P Vatsa
- Department of Biotechnology, NIPER-Ahmedabad, Opposite Air Force Station, Palaj, Gandhinagar, Gujarat, 382355, India
| | - Yogita Jindal
- Department of Biotechnology, NIPER-Ahmedabad, Opposite Air Force Station, Palaj, Gandhinagar, Gujarat, 382355, India
| | - Janhavi Bhadwalkar
- Department of Biotechnology, NIPER-Ahmedabad, Opposite Air Force Station, Palaj, Gandhinagar, Gujarat, 382355, India
| | - Ambika Chamoli
- Department of Biotechnology, NIPER-Ahmedabad, Opposite Air Force Station, Palaj, Gandhinagar, Gujarat, 382355, India
| | - Vinal Upadhyay
- Department of Biotechnology, NIPER-Ahmedabad, Opposite Air Force Station, Palaj, Gandhinagar, Gujarat, 382355, India
| | - Amit Mandoli
- Department of Biotechnology, NIPER-Ahmedabad, Opposite Air Force Station, Palaj, Gandhinagar, Gujarat, 382355, India.
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13
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Silveira FM, Schmidt TR, Neumann B, Rosset C, Zanella VG, Maahs GS, Martins MAT, Arany P, Wagner VP, Lopes MA, Santos-Silva AR, Martins MD. Impact of photobiomodulation in a patient-derived xenograft model of oral squamous cell carcinoma. Oral Dis 2023; 29:547-556. [PMID: 34273227 DOI: 10.1111/odi.13967] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/28/2021] [Accepted: 07/03/2021] [Indexed: 02/05/2023]
Abstract
BACKGROUND Photobiomodulation therapy (PBMT) is an effective method for the prevention of oral mucositis. However, the effects of PBMT on oral squamous cell carcinoma (OSCC) have not yet been fully elucidated. This study aimed to evaluate the impact of PBMT in an OSCC-patient-derived xenograft (OSCC-PDX) model. METHODS BALB/c nude mice with OSCC-PDX models were divided into Control, without PBMT (n = 8); Immediate irradiation, PBMT since one week after tumor implantation (n = 6); and Late irradiation, PBMT after tumors reached 200 mm3 (n = 6). OSCC-PDX were daily irradiated (660 nm; 100 mW; 6 J/cm2 ; 0,2 J/point) for 12 weeks. The tumors were collected and submitted to volumetric, histological, immunohistochemistry, and cell cycle analysis. RESULTS No significant differences in the volumetric measurements (p = 0.89) and in the histopathological grade (p > 0.05) were detected between the groups. The immunohistochemical analysis of Ki-67 (p = 0.9661); H3K9ac (p = 0.3794); and BMI1 (p = 0.5182), and the evaluation of the cell cycle phases (p > 0.05) by flow cytometry also did not demonstrate significant differences between the irradiated and non-irradiated groups. CONCLUSION In this study, PBMT did not impact the behavior of OSCC-PDX models. This is an important preclinical outcome regarding safety concerns of the use of PBMT in cancer patients.
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Affiliation(s)
- Felipe Martins Silveira
- Oral Diagnosis Department, Piracicaba Dental School, University of Campinas, Campinas, Brazil.,Experimental Pathology Unit, Porto Alegre Clinics Hospital, Porto Alegre, Brazil
| | - Tuany Rafaeli Schmidt
- Department of Oral Pathology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Bruna Neumann
- Department of Oral Pathology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Clévia Rosset
- Laboratory Research Unit, Experimental Research Center, Porto Alegre Clinics Hospital, Porto Alegre, Brazil
| | - Virgilio Gonzales Zanella
- Department of Oral Pathology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil.,Head and Neck Surgery Department, Santa Rita Hospital, Santa Casa de Misericórdia de Porto Alegre, Porto Alegre, Brazil
| | - Gerson Schulz Maahs
- Division of Otorhinolaryngology, Porto Alegre Clinics Hospital, Porto Alegre, Brazil
| | - Marco Antonio Trevizani Martins
- Department of Oral Pathology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil.,Department of Oral Medicine, Porto Alegre Clinics Hospital, Porto Alegre, Brazil
| | - Praveen Arany
- Departments of Oral Biology and Biomedical Engineering, Schools of Dental Medicine, Engineering and Applied Sciences, State University of New York at Buffalo, Buffalo, NY, USA
| | - Vivian Petersen Wagner
- Oral Diagnosis Department, Piracicaba Dental School, University of Campinas, Campinas, Brazil
| | - Márcio Ajudarte Lopes
- Oral Diagnosis Department, Piracicaba Dental School, University of Campinas, Campinas, Brazil
| | - Alan Roger Santos-Silva
- Oral Diagnosis Department, Piracicaba Dental School, University of Campinas, Campinas, Brazil
| | - Manoela Domingues Martins
- Oral Diagnosis Department, Piracicaba Dental School, University of Campinas, Campinas, Brazil.,Experimental Pathology Unit, Porto Alegre Clinics Hospital, Porto Alegre, Brazil.,Department of Oral Pathology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
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14
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Lu Y, Yang J, Zhu J, Shu Y, Zou X, Ruan Q, Luo S, Wang Y, Wen J. Advances in the Histone Acetylation Modification in the Oral Squamous Cell Carcinoma. JOURNAL OF ONCOLOGY 2023; 2023:4616682. [PMID: 39282225 PMCID: PMC11401686 DOI: 10.1155/2023/4616682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 10/23/2022] [Accepted: 11/29/2022] [Indexed: 09/18/2024]
Abstract
Oral squamous cell carcinoma (OSCC) is one of the common malignant tumors in the head and neck, characterized by high malignancy, rapid growth and metastasis, high invasive ability, and high mortality. In recent years, surgery combined with chemotherapy or radiotherapy remains the preferred clinical treatment for OSCC, despite considerable advances in diagnostic and therapeutic techniques. Hence, new targeted therapy is urgently needed. Histone modification affects the function of massive cells through histone acetyltransferase and histone deacetylase. Accompanied by the progress of some diseases, especially tumors, these proteins often show abnormal functions, and by reversing these abnormalities with drugs or gene therapy, the cancer phenotype can even be restored to normal. As a result, they are potential drug targets. This article reviewed the role of the histone dynamic process of acetylation modifications and their associated active modifying enzymes in the pathogenesis and progress of OSCC. Moreover, we explored the value of histone acetylation modification as a potential therapeutic target and the new progress of related drugs in clinical treatment.
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Affiliation(s)
- Ying Lu
- School of Stomatology, Southern Medical University, Guangzhou 510515, China
- Department of Stomatology, The Fifth Medical Center of PLA General Hospital, Beijing 100071, China
| | - Jinjin Yang
- Department of Stomatology, The Fifth Medical Center of PLA General Hospital, Beijing 100071, China
| | - Junwen Zhu
- Harbin Medical University Cancer Hospital, Harbin, Helongjiang 150081, China
| | - Yao Shu
- Department of Stomatology, The Fifth Medical Center of PLA General Hospital, Beijing 100071, China
| | - Xuan Zou
- Department of Stomatology, The Fifth Medical Center of PLA General Hospital, Beijing 100071, China
| | - Qiao Ruan
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Shuyuan Luo
- Department of Stomatology, The Fifth Medical Center of PLA General Hospital, Beijing 100071, China
| | - Yong Wang
- Department of Stomatology, The Fifth Medical Center of PLA General Hospital, Beijing 100071, China
| | - Jun Wen
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
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15
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Walker RR, Rentia Z, Chiappinelli KB. Epigenetically programmed resistance to chemo- and immuno-therapies. Adv Cancer Res 2023; 158:41-71. [PMID: 36990538 PMCID: PMC10184181 DOI: 10.1016/bs.acr.2022.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Resistance to cancer treatments remains a major barrier in developing cancer cures. While promising combination chemotherapy treatments and novel immunotherapies have improved patient outcomes, resistance to these treatments remains poorly understood. New insights into the dysregulation of the epigenome show how it promotes tumor growth and resistance to therapy. By altering control of gene expression, tumor cells can evade immune cell recognition, ignore apoptotic cues, and reverse DNA damage induced by chemotherapies. In this chapter, we summarize the data on epigenetic remodeling during cancer progression and treatment that enable cancer cell survival and describe how these epigenetic changes are being targeted clinically to overcome resistance.
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Affiliation(s)
- Reddick R Walker
- The George Washington University Cancer Center (GWCC), Washington, DC, United States; Department of Microbiology, Immunology & Tropical Medicine, The George Washington University, Washington, DC, United States
| | - Zainab Rentia
- The George Washington University Cancer Center (GWCC), Washington, DC, United States
| | - Katherine B Chiappinelli
- The George Washington University Cancer Center (GWCC), Washington, DC, United States; Department of Microbiology, Immunology & Tropical Medicine, The George Washington University, Washington, DC, United States.
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16
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Dholariya S, Singh RD, Patel KA. Melatonin: Emerging Player in the Management of Oral Cancer. Crit Rev Oncog 2023; 28:77-92. [PMID: 37830217 DOI: 10.1615/critrevoncog.2023048934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2023]
Abstract
Oral cancer (OC) has emerged as a major medical and social issue in many industrialized nations due to the high death rate. It is becoming increasingly common in people under the age of 45, although the underlying causes and mechanisms of this increase remain unclear. Melatonin, as a pleiotropic hormone, plays a pivotal role in a wide variety of cellular and physiological functions. Mounting evidence supports melatonin's ability to modify/influence oral carcinogenesis, help in the reduction of the incidence of OC, and increase chemo- and radiosensitivity. Despite its potential anti-carcinogenic effects, the precise function of melatonin in the management of OC is not well understood. This review summarizes the current knowledge regarding melatonin function in anti-carcinogenesis mechanisms for OC. In addition, clinical assessment and the potential therapeutic utility of melatonin in OC are discussed. This review will provide a basis for researchers to create new melatonin-based personalized medicines for treating and preventing OC.
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Affiliation(s)
- Sagar Dholariya
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS), Rajkot, Gujarat, India
| | - Ragini D Singh
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS), Rajkot, Gujarat, India
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17
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Epigenetics: Promising journey so far but ways to go in head neck cancer. Oral Oncol 2022; 135:106194. [DOI: 10.1016/j.oraloncology.2022.106194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Accepted: 10/06/2022] [Indexed: 11/07/2022]
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18
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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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19
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Espinosa RCG, Costa ARGF, Garcia Júnior MA, Ribeiro RIMDA, Cardoso SV, de Faria PR, Loyola AM. Correlation of H3K9ac and H4K12ac With Cell Proliferation Marker Ki-67 in Oral Leukoplakia: An Immunohistochemical Study. Appl Immunohistochem Mol Morphol 2022; 30:566-572. [PMID: 35960013 DOI: 10.1097/pai.0000000000001043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 05/07/2022] [Indexed: 11/25/2022]
Abstract
This study aimed to analyze the immunohistochemical expression of H3K9ac and H4K12ac in oral leukoplakia (OL) and its association with cell proliferation marker Ki-67 and clinicopathologic data. Paraffin-embedded, formalin-fixed tissue samples from 50 OLs and 15 fragments of the normal oral mucosa (NOM) were submitted to immunohistochemical assay using the streptavidin-biotin-peroxidase method. Quantitative analysis of the antigen-antibody reaction was performed by obtaining integrated optical density (IOD) and the percentage of positive nuclei (PPN) with ImageJ software. OL samples presented higher PPN ( P =0.02) and lower IOD values ( P =0.007) for H4K12ac in comparison to NOM. The area under the receiver operating characteristic curve for PPN and IOD values of H4K12ac immunostaining were 0.70 ( P =0.02) and 0.73 ( P =0.007), respectively. No differences were found between OL and NOM for H3K9ac. Cell proliferation marker Ki-67 had a positive correlation with PPN ( P <0.0001) and IOD ( P =0.0007) for H3K9ac expression and with IOD values ( P =0.002) for H4K12ac expression. The present findings suggest that alterations in the acetylation pattern of H4K12 occur in the early stages of oral carcinogenesis and that both H3K9ac and H4K12ac might have a role in the regulation of epithelial cell proliferation of OL.
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Affiliation(s)
- Roberta C G Espinosa
- Department of Oral and Maxillofacial Pathology, Federal University of Uberlândia
| | - Anaíra R G F Costa
- Department of Oral and Maxillofacial Pathology, Federal University of Uberlândia
| | | | - Rosy I M de A Ribeiro
- Experimental Pathology Laboratory, Federal University of São João del Rei, Divinópolis, Minas Gerais, Brazil
| | - Sérgio V Cardoso
- Department of Oral and Maxillofacial Pathology, Federal University of Uberlândia
| | - Paulo R de Faria
- Department of Morphology, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia
| | - Adriano M Loyola
- Department of Oral and Maxillofacial Pathology, Federal University of Uberlândia
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20
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Histone Modification on Parathyroid Tumors: A Review of Epigenetics. Int J Mol Sci 2022; 23:ijms23105378. [PMID: 35628190 PMCID: PMC9140881 DOI: 10.3390/ijms23105378] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/02/2022] [Accepted: 05/07/2022] [Indexed: 01/27/2023] Open
Abstract
Parathyroid tumors are very prevalent conditions among endocrine tumors, being the second most common behind thyroid tumors. Secondary hyperplasia can occur beyond benign and malignant neoplasia in parathyroid glands. Adenomas are the leading cause of hyperparathyroidism, while carcinomas represent less than 1% of the cases. Tumor suppressor gene mutations such as MEN1 and CDC73 were demonstrated to be involved in tumor development in both familiar and sporadic types; however, the epigenetic features of the parathyroid tumors are still a little-explored subject. We present a review of epigenetic mechanisms related to parathyroid tumors, emphasizing advances in histone modification and its perspective of becoming a promising area in parathyroid tumor research.
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21
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Li M, Jiang H, Chen S, Ma Y. GATA binding protein 1 recruits histone deacetylase 2 to the promoter region of nuclear receptor binding protein 2 to affect the tumor microenvironment and malignancy of thyroid carcinoma. Bioengineered 2022; 13:11320-11341. [PMID: 35491849 PMCID: PMC9278442 DOI: 10.1080/21655979.2022.2068921] [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] [Indexed: 12/24/2022] Open
Abstract
The tumor microenvironment (TME) and activated angiogenesis in thyroid carcinoma (TC) are critical for tumor growth and metastasis. Nuclear receptor binding protein 2 (NRBP2) has been suggested as a tumor suppressor. This study examines the function of NRBP2 in the progression of TC and the regulatory mechanism. By analyzing bioinformatic tools including GSE165724 dataset and the Cancer Genome Atlas system, we predicted NRBP2 as a poorly expressed gene in TC. Decreased NRBP2 expression was detected in TC tumor tissues and cells. Poor expression of NRBP2 was linked to unfavorable prognosis of patients. GATA binding protein 1 (GATA1) was found as a negative regulator of NRBP2. It recruited histone deacetylase2 (HDAC2) to the NRBP2 promoter to trigger histone deacetylation. NRBP2 overexpression suppressed growth of TC cells, and it reduced expression of TME markers, M2 polarization of macrophages, and angiogenesis in TC. Similar results were reproduced in vivo in nude mice. However, the anti-oncogenic roles of NRBP2 were blocked after further overexpression of GATA1 or HDAC2. In summary, this study demonstrates that GATA1 recruits HDAC2 to the NRBP2 promoter and enhances the TME and angiogenesis in TC cells.
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Affiliation(s)
- Mengyuan Li
- Department of Ultrasound, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang, P.R. China
| | - Hongwei Jiang
- Department of Endocrinology and Metabolism, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang, P.R. China
| | - Shengjiang Chen
- Department of Ultrasound, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang, P.R. China
| | - Yujin Ma
- Department of Endocrinology and Metabolism, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang, P.R. China
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22
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do Amaral-Silva GK, Morais TMDL, Wagner VP, Martins MD, Fregnani ER, Soares FA, Rocha AC, Pontes HR, Santos-Silva AR, Vargas PA. Expression of DNMTs and H3K9ac in Ameloblastoma and Ameloblastic Carcinoma. FRONTIERS IN ORAL HEALTH 2022; 2:751162. [PMID: 35048062 PMCID: PMC8757744 DOI: 10.3389/froh.2021.751162] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 09/14/2021] [Indexed: 12/13/2022] Open
Abstract
Objectives: DNA methyltransferases (DNMTs) and the histone modification H3K9ac are epigenetic markers. This study aimed to describe the immunohistochemical expression of DNMT1, DNMT3A, DNMT3B, and H3K9ac in the dental follicle (DF), ameloblastoma (AME), and ameloblastic carcinoma (AC), correlating these expressions with the recurrence and aggressive behavior in ameloblastoma. Study Design: Immunohistochemical reactions were performed in 10 human DFs, 38 ameloblastomas, and 6 AC samples. Another 59 ameloblastomas assembled in a tissue microarray were used to compare the immunoexpression with the clinical, radiographic, and histopathological characteristics and the presence of BRAFv600e mutation. Each slide was digitized as a high-resolution image and quantified by Aperio ScanScope Nuclear V9 software. All statistical analyzes were performed using GraphPad Prism statistical software. Results: DNMT3B expression was higher in ameloblastomas than in the DFs, while the AC overexpressed all proteins. The ameloblastomas with BRAFv600e mutation, vestibular/lingual, or vestibular/palatine bone cortical disruption and maxilla involvement showed DNMT1 overexpression, while recurrent cases had high DNMT3B levels. Conclusions: DNA methylation and histone modification might play a role in the development, clinical aggressiveness, and recurrence rates of ameloblastoma, such as the progression to AC. Further investigation about gene methylations in ameloblastomas is needed to better understand its relationship with aggressiveness and recurrence.
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Affiliation(s)
| | | | - Vivian Petersen Wagner
- Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil
| | - Manoela Domingues Martins
- Department of Pathology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | | | | | - André Caroli Rocha
- Medical School, Clinics Hospital, University of São Paulo, São Paulo, Brazil
| | - Helder Rabelo Pontes
- Service of Buccal Pathology, João de Barros Barreto University Hospital, Federal University of Pará, Belém, Brazil
| | - Alan Roger Santos-Silva
- Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil
| | - Pablo Agustin Vargas
- Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil
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23
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Singh S, Senapati P, Kundu TK. Metabolic Regulation of Lysine Acetylation: Implications in Cancer. Subcell Biochem 2022; 100:393-426. [PMID: 36301501 DOI: 10.1007/978-3-031-07634-3_12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Lysine acetylation is the second most well-studied post-translational modification after phosphorylation. While phosphorylation regulates signaling cascades, one of the most significant roles of acetylation is regulation of chromatin structure. Acetyl-coenzyme A (acetyl-CoA) serves as the acetyl group donor for acetylation reactions mediated by lysine acetyltransferases (KATs). On the other hand, NAD+ serves as the cofactor for lysine deacetylases (KDACs). Both acetyl-CoA and NAD+ are metabolites integral to energy metabolism, and therefore, their metabolic flux can regulate the activity of KATs and KDACs impacting the epigenome. In this chapter, we review our current understanding of how metabolic pathways regulate lysine acetylation in normal and cancer cells.
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Affiliation(s)
- Siddharth Singh
- Transcription and Disease Laboratory, Molecular Biology and Genetics Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, Karnataka, India
| | - Parijat Senapati
- Transcription and Disease Laboratory, Molecular Biology and Genetics Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, Karnataka, India
- Beckman Research Institute, City of Hope, Duarte, CA, USA
| | - Tapas K Kundu
- Transcription and Disease Laboratory, Molecular Biology and Genetics Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, Karnataka, India.
- Division of Cancer Biology, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, India.
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Head and Neck Cancers Are Not Alike When Tarred with the Same Brush: An Epigenetic Perspective from the Cancerization Field to Prognosis. Cancers (Basel) 2021; 13:cancers13225630. [PMID: 34830785 PMCID: PMC8616074 DOI: 10.3390/cancers13225630] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 10/30/2021] [Accepted: 11/02/2021] [Indexed: 12/26/2022] Open
Abstract
Simple Summary Squamous cell carcinomas affect different head and neck subsites and, although these tumors arise from the same epithelial lining and share risk factors, they differ in terms of clinical behavior and molecular carcinogenesis mechanisms. Differences between HPV-negative and HPV-positive tumors are those most frequently explored, but further data suggest that the molecular heterogeneity observed among head and neck subsites may go beyond HPV infection. In this review, we explore how alterations of DNA methylation and microRNA expression contribute to head and neck squamous cell carcinoma (HNSCC) development and progression. The association of these epigenetic alterations with risk factor exposure, early carcinogenesis steps, transformation risk, and prognosis are described. Finally, we discuss the potential application of the use of epigenetic biomarkers in HNSCC. Abstract Head and neck squamous cell carcinomas (HNSCC) are among the ten most frequent types of cancer worldwide and, despite all efforts, are still diagnosed at late stages and show poor overall survival. Furthermore, HNSCC patients often experience relapses and the development of second primary tumors, as a consequence of the field cancerization process. Therefore, a better comprehension of the molecular mechanisms involved in HNSCC development and progression may enable diagnosis anticipation and provide valuable tools for prediction of prognosis and response to therapy. However, the different biological behavior of these tumors depending on the affected anatomical site and risk factor exposure, as well as the high genetic heterogeneity observed in HNSCC are major obstacles in this pursue. In this context, epigenetic alterations have been shown to be common in HNSCC, to discriminate the tumor anatomical subsites, to be responsive to risk factor exposure, and show promising results in biomarker development. Based on this, this review brings together the current knowledge on alterations of DNA methylation and microRNA expression in HNSCC natural history, focusing on how they contribute to each step of the process and on their applicability as biomarkers of exposure, HNSCC development, progression, and response to therapy.
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Burkitt K, Saloura V. Epigenetic Modifiers as Novel Therapeutic Targets and a Systematic Review of Clinical Studies Investigating Epigenetic Inhibitors in Head and Neck Cancer. Cancers (Basel) 2021; 13:cancers13205241. [PMID: 34680389 PMCID: PMC8534083 DOI: 10.3390/cancers13205241] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 10/05/2021] [Accepted: 10/09/2021] [Indexed: 12/11/2022] Open
Abstract
Simple Summary Head and neck cancer is the sixth most common malignancy worldwide and it affects approximately 50,000 patients annually in the United States. Current treatments are suboptimal and induce significant long-term toxicities that permanently affect quality of life. Novel therapeutic approaches are thus urgently needed to increase the survival and quality of life of these patients. Epigenetic modifications have been recognized as potential therapeutic targets in various cancer types, including head and neck cancer. The objective of this review is to provide a brief overview of the function of important epigenetic modifiers in head and neck cancer, and to discuss the results of past and ongoing clinical trials evaluating epigenetic interventions targeting these epigenetic modifiers in head and neck cancer patients. The field of epigenetic therapy in head and neck cancer is still nascent; however, it holds significant promise. Although more specific epigenetic drugs are being developed, we envision the rational design of clinical trials that will target a select group of head and neck cancer patients with epigenetic vulnerabilities that can be targeted in combination with immunotherapy, chemotherapy and/or radiotherapy, rendering higher and durable responses while minimizing chronic complications for patients with head and neck cancer. Abstract The survival rate of head and neck squamous cell carcinoma patients with the current standard of care therapy is suboptimal and is associated with long-term side effects. Novel therapeutics that will improve survival rates while minimizing treatment-related side effects are the focus of active investigation. Epigenetic modifications have been recognized as potential therapeutic targets in various cancer types, including head and neck cancer. This review summarizes the current knowledge on the function of important epigenetic modifiers in head and neck cancer, their clinical implications and discusses results of clinical trials evaluating epigenetic interventions in past and ongoing clinical trials as monotherapy or combination therapy with either chemotherapy, radiotherapy or immunotherapy. Understanding the function of epigenetic modifiers in both preclinical and clinical settings will provide insight into a more rational design of clinical trials using epigenetic interventions and the patient subgroups that may benefit from such interventions.
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Affiliation(s)
- Kyunghee Burkitt
- Head and Neck Medical Oncology, University Hospitals Cleveland Medical Center, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
- Correspondence: (K.B.); (V.S.)
| | - Vassiliki Saloura
- Thoracic and GI Malignancies Branch, Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892, USA
- Correspondence: (K.B.); (V.S.)
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Silva LC, Borgato GB, Wagner VP, Martins MD, Rocha GZ, Lopes MA, Santos-Silva AR, de Castro Júnior G, Kowalski LP, Nor JE, Squarize CH, Castilho RM, Vargas PA. Cephaeline is an inductor of histone H3 acetylation and inhibitor of mucoepidermoid carcinoma cancer stem cells. J Oral Pathol Med 2021; 51:553-562. [PMID: 34661317 DOI: 10.1111/jop.13252] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 07/21/2021] [Accepted: 09/08/2021] [Indexed: 01/02/2023]
Abstract
AIM To evaluate the potential use of Cephaeline as a therapeutic strategy to manage mucoepidermoid carcinomas (MEC) of the salivary glands. MATERIAL AND METHODS UM-HMC-1, UM-HMC-2, and UM-HMC-3A MEC cell lines were used to establish the effects of Cephaeline over tumor viability determined by MTT assay. In vitro wound healing scratch assays were performed to address cellular migration while immunofluorescence staining for histone H3 lysine 9 (H3k9ac) was used to identify the acetylation status of tumor cells upon Cephaeline administration. The presence of cancer stem cells was evaluated by the identification of ALDH enzymatic activity by flow cytometry and through functional assays using in vitro tumorsphere formation. RESULTS A single administration of Cephaeline resulted in reduced viability of MEC cells along with the halt on tumor growth and cellular migration potential. Administration of Cephaeline resulted in chromatin histone acetylation as judged by the increased levels of H3K9ac and disruption of tumorspheres formation. Interestingly, ALDH levels were increased in UM-HMC-1 and UM-HMC-3A cell lines, while UM-HMC-2 showed a reduced enzymatic activity. CONCLUSION Cephaeline has shown anti-cancer properties in all MEC cell lines tested by regulating tumor cells' viability, migration, proliferation, and disrupting the ability of cancer cells to generate tumorspheres.
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Affiliation(s)
- Luan César Silva
- Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, São Paulo, Brazil
| | | | - Vivian Petersen Wagner
- Academic Unit of Oral and Maxillofacial Medicine and Pathology, Department of Clinical Dentistry, University of Sheffield, Sheffield, UK
| | - Manoela Domingues Martins
- Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, São Paulo, Brazil.,Department of Oral Pathology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Guilherme Zweig Rocha
- Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, São Paulo, Brazil
| | - Márcio Ajudarte Lopes
- Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, São Paulo, Brazil
| | - Alan Roger Santos-Silva
- Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, São Paulo, Brazil
| | - Gilberto de Castro Júnior
- Clinical Oncology Service, São Paulo State Cancer Institute (ICESP), School of Medicine of the University of São Paulo, São Paulo, Brazil
| | - Luiz Paulo Kowalski
- Department of Head and Neck Surgery, Faculty of Medicine, Head and Neck Surgery and Otorhinolaryngology Department, A C Camargo Cancer Center, Universidade de São Paulo, São Paulo, Brazil
| | - Jacques E Nor
- Department of Cariology, Restorative Sciences, Endodontics, School of Dentistry, University of Michigan, Ann Arbor, Michigan, USA
| | - Cristiane H Squarize
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, Michigan, USA
| | - Rogerio Moraes Castilho
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, Michigan, USA
| | - Pablo Agustin Vargas
- Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, São Paulo, Brazil
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Li CC, Shen Z, Bavarian R, Yang F, Bhattacharya A. Oral Cancer: Genetics and the Role of Precision Medicine. Surg Oncol Clin N Am 2021; 29:127-144. [PMID: 31757309 DOI: 10.1016/j.soc.2019.08.010] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Oral squamous cell carcinoma (OSCC) is one of the leading cancers in the world. OSCC patients are managed with surgery and/or chemoradiation. Prognoses and survival rates are dismal, however, and have not improved for more than 20 years. Recently, the concept of precision medicine was introduced, and the introduction of targeted therapeutics demonstrated promising outcomes. This article reviews the current understanding of initiation, progression, and metastasis of OSCC from both genetic and epigenetic perspectives. In addition, the applications and integration of omics technologies in biomarker discovery and drug development for treating OSCC are reviewed.
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Affiliation(s)
- Chia-Cheng Li
- Department of Oral Medicine, Infection and Immunity, Harvard School of Dental Medicine, 188 Longwood Avenue, Boston, MA 02115, USA.
| | - Zhen Shen
- Harvard School of Dental Medicine, 188 Longwood Avenue, Boston, MA 02115, USA
| | - Roxanne Bavarian
- Harvard School of Dental Medicine, 188 Longwood Avenue, Boston, MA 02115, USA; Division of Oral Medicine and Dentistry, Brigham and Women's Hospital, Francis Street, Boston, MA 02115, USA
| | - Fan Yang
- Harvard School of Dental Medicine, 188 Longwood Avenue, Boston, MA 02115, USA
| | - Aditi Bhattacharya
- Department of Oral and Maxillofacial Surgery, NYU College of Dentistry, East 24th Street, New York, NY 10010, USA
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Dos Santos ES, Wagner VP, Cabral Ramos J, Lambert DW, Castilho RM, Paes Leme AF. Epigenetic modulation of the tumor microenvironment in head and neck cancer: Challenges and opportunities. Crit Rev Oncol Hematol 2021; 164:103397. [PMID: 34146679 DOI: 10.1016/j.critrevonc.2021.103397] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 05/31/2021] [Accepted: 06/07/2021] [Indexed: 12/22/2022] Open
Abstract
Head and neck cancer is globally challenging due to the resistance to therapy and aggressive behavior leading to high rates of mortality. Recent findings show that the tumor microenvironment plays a role in the maintenance and progression of many solid tumors, including head and neck cancer. The mechanisms involved in the modulation and regulation of the tumor microenvironment remain poorly understood. Increasing evidence suggests that epigenetic events can modulate the crosstalk between neoplastic and non-neoplastic cells during tumor progression. In this review, we explore the current understanding of the involvement of epigenetic events in the modulation of the tumor microenvironment and its impact on head and neck cancer behavior. We also explore the latest therapeutic strategies that use epigenetic-modulating drugs to manage tumor growth and progression.
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Affiliation(s)
| | - Vivian Petersen Wagner
- The University of Sheffield Faculty of Medicine Dentistry and Health, 152607, Sheffield, United Kingdom of Great Britain and Northern Ireland
| | - Joab Cabral Ramos
- Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil
| | - Daniel W Lambert
- The University of Sheffield Faculty of Medicine Dentistry and Health, 152607, Sheffield, United Kingdom of Great Britain and Northern Ireland
| | - Rogerio Moraes Castilho
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, Division of Oral Pathology, Radiology and Medicine, University of Michigan School of Dentistry. Ann Arbor, 48109-1078, MI, USA; Rogel Cancer Center, University of Michigan, Ann Arbor, 48109, MI, USA
| | - Adriana Franco Paes Leme
- The Brazilian Bioscience National Laboratory, Center for Research in Energy and Materials, Campinas, Brazil
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Fonsêca TC, Abrantes TC, Fernandes PV, de Andrade BAB, Cabral MG, Romañach MJ, Agostini M, Abrahão AC. Immunohistochemical analysis of BRCA1 and acetyl-histone H3 in squamous cell carcinoma of the mobile tongue. Oral Surg Oral Med Oral Pathol Oral Radiol 2021; 132:320-326. [PMID: 34030994 DOI: 10.1016/j.oooo.2021.03.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 02/18/2021] [Accepted: 03/21/2021] [Indexed: 12/24/2022]
Abstract
OBJECTIVE The objective of this study was to evaluate the immunoexpression profiles of breast cancer 1 (BRCA1) and acetyl-histone H3 (AcH3) in squamous cell carcinoma of the mobile tongue (SCC-MT) and their correlation with epidemiologic data and the histopathological grade of tumors. STUDY DESIGN Incisional biopsies of 43 SCC-MT were submitted to immunohistochemistry for AcH3 and BRCA1. Samples were microscopically graded as well differentiated (n = 21) or poorly differentiated (n = 22). Both groups were submitted to statistical analysis (P < .05) regarding the percentage of positive cells. RESULTS Thirty-nine cases were positive for AcH3 (91%), but no difference was observed for the histologic grading (P = .27). Positivity for BRCA1 was observed in all samples regardless of their cellular locations. Most cases in the poorly differentiated group presented with less than 10% nuclear staining (P < .01) and a predominance of cytoplasmic staining (P = .034). The well-differentiated group showed nuclear staining in most of the cases, with more than 50% of cells staining positive (P < .01). CONCLUSION AcH3 and BRCA1 were expressed in all samples. There was a significant decrease in cytoplasmic BRCA1 expression in the poorly differentiated group, suggesting BRCA1 as a possible prognostic marker for SCC-MT.
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Affiliation(s)
- T C Fonsêca
- Oral Pathology, Department of Oral Diagnosis and Pathology, School of Dentistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - T C Abrantes
- Oral Pathology, Department of Oral Diagnosis and Pathology, School of Dentistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - P V Fernandes
- Pathology Division, National Cancer Institute José Alencar Gomes da Silva (DIPAT/INCA), Rio de Janeiro, Brazil
| | - B A B de Andrade
- Oral Pathology, Department of Oral Diagnosis and Pathology, School of Dentistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - M G Cabral
- Oral Pathology, Department of Oral Diagnosis and Pathology, School of Dentistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - M J Romañach
- Oral Pathology, Department of Oral Diagnosis and Pathology, School of Dentistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - M Agostini
- Oral Pathology, Department of Oral Diagnosis and Pathology, School of Dentistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - A C Abrahão
- Oral Pathology, Department of Oral Diagnosis and Pathology, School of Dentistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
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30
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Santos ES, Rodrigues-Fernandes CI, Cabral JC, Fonseca FP, Leme AFP. Epigenetic alterations in ameloblastomas: A literature review. J Clin Exp Dent 2021; 13:e295-e302. [PMID: 33680332 PMCID: PMC7920560 DOI: 10.4317/jced.56191] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 08/10/2020] [Indexed: 12/18/2022] Open
Abstract
Background Ameloblastoma is a locally aggressive tumor, originated from odontogenic epithelium, and affects the jawbones with an elevated recurrence rate. The molecular mechanisms involved with the pathogenesis of this tumor remain undetermined. This review aimed to describe the current data regarding epigenetic alterations in ameloblastoma. Material and Methods A systematized electronic search was performed in the English-language literature in three databases, combining the following keywords: ameloblastoma, epigenetic, methylation, noncoding RNA, histone acetylation. Results According to the gathered results of 11 studies in this review, epigenetic alterations could induce the development and progression of ameloblastoma. DNA methylation has been the most assessed mechanism in ameloblastomas. Conclusions Current literature data indicate that epigenetic events can be involved in the etiopathogenesis of ameloblastomas. Key words:Ameloblastoma, epigenetic, methylation, noncoding RNA, histone acetylation.
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Affiliation(s)
- Erison-Santana Santos
- Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil
| | | | - Joab-Cabral Cabral
- Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil
| | - Felipe-Paiva Fonseca
- Department of Oral Surgery and Pathology, School of Dentistry, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Adriana-Franco-Paes Leme
- Brazilian Biosciences National Laboratory, The Brazilian Center for Research in Energy and Materials, Campinas, Brazil
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Roles of Reactive Oxygen Species in Biological Behaviors of Prostate Cancer. BIOMED RESEARCH INTERNATIONAL 2020; 2020:1269624. [PMID: 33062666 PMCID: PMC7538255 DOI: 10.1155/2020/1269624] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 08/17/2020] [Indexed: 02/07/2023]
Abstract
Prostate cancer (PCa), known as a heterogenous disease, has a high incidence and mortality rate around the world and seriously threatens public health. As an inevitable by-product of cellular metabolism, reactive oxygen species (ROS) exhibit beneficial effects by regulating signaling cascades and homeostasis. More and more evidence highlights that PCa is closely associated with age, and high levels of ROS are driven through activation of several signaling pathways with age, which facilitate the initiation, development, and progression of PCa. Nevertheless, excessive amounts of ROS result in harmful effects, such as genotoxicity and cell death. On the other hand, PCa cells adaptively upregulate antioxidant genes to detoxify from ROS, suggesting that a subtle balance of intracellular ROS levels is required for cancer cell functions. The current review discusses the generation and biological roles of ROS in PCa and provides new strategies based on the regulation of ROS for the treatment of PCa.
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Wang P, Zhao H, Ren F, Zhao Q, Shi R, Liu X, Liu J, Li Y, Li Y, Liu H, Chen J. [Research Progress of Epigenetics in Pathogenesis and Treatment of Malignant Tumors]. ZHONGGUO FEI AI ZA ZHI = CHINESE JOURNAL OF LUNG CANCER 2020; 23:91-100. [PMID: 32093453 PMCID: PMC7049791 DOI: 10.3779/j.issn.1009-3419.2020.02.04] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
表观遗传学修饰与肿瘤的发生发展密切相关,其主要通过DNA甲基化、组蛋白修饰、非编码RNA调控和染色质结构重构等方式对基因功能和表达水平进行调控,从而影响肿瘤的进展。目前针对表观遗传学的药物已经逐渐应用于恶性肿瘤的治疗,常见的药物类型包括DNA甲基转移酶抑制剂和组蛋白去乙酰化酶抑制剂,但此类药物仍存在诸多不足之处广泛的临床应用仍需要进一步的研究,令人鼓舞的是表观遗传药物与多种抗肿瘤药物联合应用已表现出巨大的应用潜力。本文就表观遗传学在恶性肿瘤的发生发展机制和相关药物的新进展进行了综述。
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Affiliation(s)
- Pan Wang
- Department of Lung Cancer Surgery, Tianjin Medical University General Hospital, Tianjin Lung Cancer Institute, Tianjin Key Laboratory of lung Cancer Metastasis and Tumor Microenvironment, Tianjin 300052, China
| | - Honglin Zhao
- Department of Lung Cancer Surgery, Tianjin Medical University General Hospital, Tianjin Lung Cancer Institute, Tianjin Key Laboratory of lung Cancer Metastasis and Tumor Microenvironment, Tianjin 300052, China
| | - Fan Ren
- Department of Lung Cancer Surgery, Tianjin Medical University General Hospital, Tianjin Lung Cancer Institute, Tianjin Key Laboratory of lung Cancer Metastasis and Tumor Microenvironment, Tianjin 300052, China
| | - Qingchun Zhao
- Department of Lung Cancer Surgery, Tianjin Medical University General Hospital, Tianjin Lung Cancer Institute, Tianjin Key Laboratory of lung Cancer Metastasis and Tumor Microenvironment, Tianjin 300052, China
| | - Ruifeng Shi
- Department of Lung Cancer Surgery, Tianjin Medical University General Hospital, Tianjin Lung Cancer Institute, Tianjin Key Laboratory of lung Cancer Metastasis and Tumor Microenvironment, Tianjin 300052, China
| | - Xingyu Liu
- Department of Lung Cancer Surgery, Tianjin Medical University General Hospital, Tianjin Lung Cancer Institute, Tianjin Key Laboratory of lung Cancer Metastasis and Tumor Microenvironment, Tianjin 300052, China
| | - Jinghao Liu
- Department of Lung Cancer Surgery, Tianjin Medical University General Hospital, Tianjin Lung Cancer Institute, Tianjin Key Laboratory of lung Cancer Metastasis and Tumor Microenvironment, Tianjin 300052, China
| | - Yongwen Li
- Department of Lung Cancer Surgery, Tianjin Medical University General Hospital, Tianjin Lung Cancer Institute, Tianjin Key Laboratory of lung Cancer Metastasis and Tumor Microenvironment, Tianjin 300052, China
| | - Ying Li
- Department of Lung Cancer Surgery, Tianjin Medical University General Hospital, Tianjin Lung Cancer Institute, Tianjin Key Laboratory of lung Cancer Metastasis and Tumor Microenvironment, Tianjin 300052, China
| | - Hongyu Liu
- Department of Lung Cancer Surgery, Tianjin Medical University General Hospital, Tianjin Lung Cancer Institute, Tianjin Key Laboratory of lung Cancer Metastasis and Tumor Microenvironment, Tianjin 300052, China
| | - Jun Chen
- Department of Lung Cancer Surgery, Tianjin Medical University General Hospital, Tianjin Lung Cancer Institute, Tianjin Key Laboratory of lung Cancer Metastasis and Tumor Microenvironment, Tianjin 300052, China
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The role of the histones H3K9ac, H3K9me3, HP1γ, and H3K36me3 in oral squamous cell carcinoma loco-regional metastasis and relapse. Pathol Res Pract 2020; 216:153201. [PMID: 32971477 DOI: 10.1016/j.prp.2020.153201] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 08/31/2020] [Accepted: 09/01/2020] [Indexed: 11/24/2022]
Abstract
Molecular markers with unequivocal significance in predicting cervical lymph node metastasis of oral squamous cell carcinoma (OSCC) has not yet been identified. Histones are DNA-binding proteins that can regulate gene expression, and some studies have shown that such proteins are implicated with tumor development and progression. This study aimed to investigate the expression of some histone modifications in OSCC and their roles in cervical lymph node metastasis. To address this goal, H3K9ac, H3K9me3, HP1γ, and H3K36me3 expression levels were investigated immunohistochemically in a retrospective metastatic and non-metastatic OSCC samples. We analyzed the association between these markers with clinical-pathological data and survival rates. Hyperacetylation of H3K9ac was associated with cervical lymph node metastasis and local relapse. High expression levels of H3K9m3 were related to age and symptomatology. Furthermore, it was also found a statistically significant association between high HP1γ-expressing tumors and tumor size. However, no markers were associated with reduced overall survival rate. Our results suggest that covalent histone modifications contribute to OSCC behavior, and H3K9ac may play a critical role in OSCC-derived cervical lymph node metastasis.
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Gonzaga AKG, Lopes MLDDS, Squarize CH, Castilho RM, de Medeiros AMC, Rocha KBF, da Silveira ÉJD. Expression profile of DNA repair proteins and histone H3 lys-9 acetylation in cutaneous and oral lichen planus. Arch Oral Biol 2020; 119:104880. [PMID: 32892067 DOI: 10.1016/j.archoralbio.2020.104880] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 08/04/2020] [Accepted: 08/09/2020] [Indexed: 10/23/2022]
Abstract
OBJECTIVES To analyze the expression profile of DNA repair proteins (XRCC1 and APE1) and histone acetylation (H3K9) in oral and cutaneous lichen planus, in order to investigate potential biological markers that can clarify pathogenesis of these lesions. DESIGN AND RESULTS The total sample consisted of 89 lichen planus cases (66 oral and 23 cutaneous). Analysis of APE1 and XRCC1 expression was performed by immunohistochemistry in 44 oral and 20 cutaneous lichen planus, whereas the analysis of H3K9 acetylation was performed by immunofluorescence in 42 oral and 11 cutaneous lichen planus. RESULTS Immunoreactivity for APE1 and XRCC1 was significantly higher in cutaneous lichen planus than in oral lichen planus (P = 0.003 and P = 0.034, respectively). There was a significant and moderate positive correlation between APE1 and XRCC1 in the oral group (Rho = 0.544; P < 0.0001). In oral cases, there were no statistically significant results comparing APE1 and XRCC1 expression between reticular and erosive cases (P > 0.05). Evaluation of H9K3 histone acetylation levels did not reveal significant results comparing oral to cutaneous lichen planus, neither comparing erosive to reticular (P > 0.05). CONCLUSIONS Changes in the expression profile of the DNA repair proteins exerted greater influence in pathogenesis of cutaneous lichen planus than oral lichen planus, in addition, H3K9 histone acetylation is an epigenetic event found in both lesions.
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Affiliation(s)
| | | | - Cristiane Helena Squarize
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, University of Michigan, School of Dentistry, Ann Arbor, Michigan, USA
| | - Rogério Moraes Castilho
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, University of Michigan, School of Dentistry, Ann Arbor, Michigan, USA
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The Ras-ERK1/2 signaling pathway regulates H3K9ac through PCAF to promote the development of pancreatic cancer. Life Sci 2020; 256:117936. [PMID: 32531376 DOI: 10.1016/j.lfs.2020.117936] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 05/21/2020] [Accepted: 06/07/2020] [Indexed: 12/11/2022]
Abstract
AIMS The regulation of the Ras-ERK pathway is the crucial point in pancreatic carcinogenesis, and the Ras kinase is an essential regulatory upstream signal molecule of the ERK1/2 pathway. H3K9ac is a vital histone modification, but its specific role in pancreatic cancer remains unclear. This research aims to study whether the modification level of H3K9ac can regulate the characteristic phenotype of the pancreatic cancer cells by affecting the downstream expression, proliferation, migration, and other related genes. MAIN METHODS The RasG12V/T35S were used to transfect pancreatic cancer cells, and the levels of phosphorylated ERK1/2 and H3K9ac were detected by western blotting. The colony formation assay, transwell assay, and chromatin immunoprecipitation assay were used to study cell viability, migration, and the downstream genes of the ERK1/2 pathway. KEY FINDINGS The results showed that Ras ERK1/2 reduced H3K9ac expression in ASPC-1 cells, and H3K9ac significantly repressed the viability of cells, colony formation, and ASPC-1 cell movement induced by Ras ERK1/2. Besides, HDAC1 silencing increased H3K9ac expression, and changed the effect of Ras ERK1/2 on ASPC-1 cells proliferation, its movement, and mRNAs of ERK1/2 downstream genes. Moreover, Ras ERK1/2 inhibited H3K9ac expression by the degradation of PCAF via MDM2. SIGNIFICANCE Ras ERK1/2 promotes pancreatic carcinogenesis cell movement, through down-regulating H3K9ac via MDM2 mediated PCAF degradation.
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Li X, Liu K, Zhou W, Jiang Z. MiR-155 targeting FoxO3a regulates oral cancer cell proliferation, apoptosis, and DDP resistance through targeting FoxO3a. Cancer Biomark 2019; 27:105-111. [DOI: 10.3233/cbm-190555] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Xiaoting Li
- Department of Stomatology, Chengdu Women’s and Children’s Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
| | - Kun Liu
- Department of Stomatology, Chengdu Women’s and Children’s Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
| | - Wei Zhou
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi’an, Shaanxi, China
| | - Zhe Jiang
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of Stomatology, Department of Operative Dentistry and Endodontics, School of Stomatology, The Fourth Military Medical University, Xi’an, Shaanxi, China
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37
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Gaździcka J, Gołąbek K, Strzelczyk JK, Ostrowska Z. Epigenetic Modifications in Head and Neck Cancer. Biochem Genet 2019; 58:213-244. [PMID: 31712935 PMCID: PMC7113219 DOI: 10.1007/s10528-019-09941-1] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Accepted: 10/24/2019] [Indexed: 12/17/2022]
Abstract
Head and neck squamous cell carcinoma (HNSCC) is the sixth most common human malignancy in the world, with high mortality and poor prognosis for patients. Among the risk factors are tobacco and alcohol intake, human papilloma virus, and also genetic and epigenetic modifications. Many studies show that epigenetic events play an important role in HNSCC development and progression, including DNA methylation, chromatin remodeling, histone posttranslational covalent modifications, and effects of non-coding RNA. Epigenetic modifications may influence silencing of tumor suppressor genes by promoter hypermethylation, regulate transcription by microRNAs and changes in chromatin structure, or induce genome instability through hypomethylation. Moreover, getting to better understand aberrant patterns of methylation may provide biomarkers for early detection and diagnosis, while knowledge about target genes of microRNAs may improve the therapy of HNSCC and extend overall survival. The aim of this review is to present recent studies which demonstrate the role of epigenetic regulation in the development of HNSCC.
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Affiliation(s)
- Jadwiga Gaździcka
- Department of Medical and Molecular Biology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, Jordana 19 Str., 41-808, Zabrze, Katowice, Poland.
| | - Karolina Gołąbek
- Department of Medical and Molecular Biology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, Jordana 19 Str., 41-808, Zabrze, Katowice, Poland
| | - Joanna Katarzyna Strzelczyk
- Department of Medical and Molecular Biology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, Jordana 19 Str., 41-808, Zabrze, Katowice, Poland
| | - Zofia Ostrowska
- Department of Medical and Molecular Biology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, Jordana 19 Str., 41-808, Zabrze, Katowice, Poland
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Potential of Melatonin as Adjuvant Therapy of Oral Cancer in the Era of Epigenomics. Cancers (Basel) 2019; 11:cancers11111712. [PMID: 31684096 PMCID: PMC6895876 DOI: 10.3390/cancers11111712] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 10/16/2019] [Accepted: 10/31/2019] [Indexed: 02/06/2023] Open
Abstract
The wide variety of epigenetic controls available is rapidly expanding the knowledge of molecular biology even overflowing it. At the same time, it can illuminate unsuspected ways of understanding the etiology of cancer. New emerging therapeutic horizons, then, promise to overcome the current antitumor strategies need. The translational utility of this complexity is particularly welcome in oral cancer (OC), in which natural history is alarmingly disappointing due to the invasive and mutilating surgery, the high relapsing rate, the poor quality of life and the reduced survival after diagnosis. Melatonin activates protective receptor-dependent and receptor-independent processes that prevent tissue cancerisation and inhibit progressive tumor malignancy and metastasis. Related evidence has shown that melatonin pleiotropy encompasses gene expression regulation through all the three best-characterized epigenetic mechanisms: DNA methylation, chromatin modification, and non-coding RNA. OC has received less attention than other cancers despite prognosis is usually negative and there are no significant therapy improvements recorded in the past decade. However, a large research effort is being carried out to elucidate how melatonin´s machinery can prevent epigenetic insults that lead to cancer. In the light of recent findings, a comprehensive examination of biochemistry through which melatonin may reverse epigenetic aberrations in OC is an extraordinary opportunity to take a step forward in the clinical management of patients.
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Yang H, Jin X, Dan H, Chen Q. Histone modifications in oral squamous cell carcinoma and oral potentially malignant disorders. Oral Dis 2019; 26:719-732. [PMID: 31056829 DOI: 10.1111/odi.13115] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 04/17/2019] [Accepted: 04/29/2019] [Indexed: 02/05/2023]
Affiliation(s)
- Huamei Yang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Medicine of Carcinogenesis and Management West China Hospital of Stomatology, Sichuan University Chengdu China
| | - Xin Jin
- College of Stomatology Chongqing Medical University Chongqing China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences Chongqing China
| | - Hongxia Dan
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Medicine of Carcinogenesis and Management West China Hospital of Stomatology, Sichuan University Chengdu China
| | - Qianming Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Medicine of Carcinogenesis and Management West China Hospital of Stomatology, Sichuan University Chengdu China
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40
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Interference with the bromodomain epigenome readers drives p21 expression and tumor senescence. Cancer Lett 2019; 461:10-20. [PMID: 31265875 DOI: 10.1016/j.canlet.2019.06.019] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 06/26/2019] [Accepted: 06/27/2019] [Indexed: 01/14/2023]
Abstract
Head and neck cancer (HNSCC) are one of the most common solid malignancies of the world, being responsible for over 350,000 deaths every year. Much of the complications in managing and treating HNSCC advent from the complex genetic and epigenetic landscape of the disease. Emerging information has shown promising results in targeting BRD4, an epigenetic regulator bromodomain that functions as a scaffold for transcription factors at promoters and super-enhancers. Here we show that by disrupting the interaction between BRD4 and histones using the bromodomain inhibitor JQ1, HNSCC cells undergo cell growth arrest followed by cellular senescence. Mechanistically, JQ1 negatively impacted the phosphorylation levels of SIRT1 along with the acetylation levels of mutant p53 (active). In vivo administration of JQ1 resulted in disruption of HNSCC growth along with the activation of cellular senescence, observed by the accumulation of DNA double-strand breaks, p16ink4, accumulation of senescence-associated beta-galactosidase, and loss of phosphorylated Sirt1ser47. Furthermore, we also demonstrate that JQ1 was efficient in reducing the population of cancer stem cells from HNSCC xenografts.
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41
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H3K18Ac as a Marker of Cancer Progression and Potential Target of Anti-Cancer Therapy. Cells 2019; 8:cells8050485. [PMID: 31121824 PMCID: PMC6562857 DOI: 10.3390/cells8050485] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 05/13/2019] [Accepted: 05/16/2019] [Indexed: 02/07/2023] Open
Abstract
Acetylation and deacetylation are posttranslational modifications (PTMs) which affect the regulation of chromatin structure and its remodeling. Acetylation of histone 3 at lysine placed on position 18 (H3K18Ac) plays an important role in driving progression of many types of cancer, including breast, colon, lung, hepatocellular, pancreatic, prostate, and thyroid cancer. The aim of this review is to analyze and discuss the newest findings regarding the role of H3K18Ac and acetylation of other histones in carcinogenesis. We summarize the level of H3K18Ac in different cancer cell lines and analyze its association with patients’ outcomes, including overall survival (OS), progression-free survival (PFS), and disease-free survival (DFS). Finally, we describe future perspectives of cancer therapeutic strategies based on H3K18 modifications.
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Paydar P, Asadikaram G, Nejad HZ, Akbari H, Abolhassani M, Moazed V, Nematollahi MH, Ebrahimi G, Fallah H. Epigenetic modulation of BRCA-1 and MGMT genes, and histones H4 and H3 are associated with breast tumors. J Cell Biochem 2019; 120:13726-13736. [PMID: 30938887 DOI: 10.1002/jcb.28645] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2018] [Revised: 02/03/2019] [Accepted: 02/14/2019] [Indexed: 12/11/2022]
Abstract
Aberrant patterns in promoter methylation of tumor-suppressor genes and posttranslational modifications of histone proteins are considered as major features of malignancy. In this study, we aimed to investigate promoter methylation of three tumor-suppressor genes (BRCA-1, MGMT, and P16) and three histone marks (H3K9ac, H3K18ac, and H4K20me3) in patients with breast tumors. This case-control study included 27 patients with malignant breast tumors (MBT) and 31 patients with benign breast tumors (BBT). The methylation-specific PCR was used for determining promoter methylation of BRCA-1, MGMT, and P16 genes. Western blot analysis was performed to detect histone lysine acetylation (H3K9ac and H3K18ac) and lysine methylation (H4K20me3). BRCA-1 promoter methylation was detected in 44.4% of the MBT whereas this alteration was found in 9.7% of BBT (P = 0.005). The Kaplan-Meier analysis indicated that hypermethylation in BRCA-1 promoter was significantly associated with poor overall survival of patients with breast cancer (P = 0.039). MGMT promoter methylation was identified in 18.5% of MBT and 0.0% of the BBT (P = 0.01). The frequency of P16 promoter methylation was 25.8% in BBT and 11.1% in MBT (P = 0.12). As compared with BBT, MBT samples displayed the aberrant patterns of histones marks with hypomethylation of H4K20 and hypoacetylation of H3K18 (P = 0.03 and P = 0.04, respectively). There was a negative significant correlation between H3K9ac levels and tumor size in MBT group (r = -0.672; P = 0.008). The present findings suggest that promoter hypermethylation of MGMT and BRCA-1 genes along with alterations in H3K18ac and H4K20me3 levels may have prognostic values in patients with breast cancer. Moreover, the detection of these epigenetic modifications in breast tumors could be helpful in finding new methods for breast cancer therapy.
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Affiliation(s)
- Parisa Paydar
- Endocrinology and Metabolism Research Center, Institute of Basic and Clinical Physiology Sciences, Kerman, Iran.,Department of Clinical Biochemistry, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Gholamreza Asadikaram
- Department of Clinical Biochemistry, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran.,Neuroscience Research Center, Institute of Neuropharmacology, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Hamid Zeynali Nejad
- Department of Surgery, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Hamed Akbari
- Student Research Committee, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Moslem Abolhassani
- Department of Clinical Biochemistry, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Vahid Moazed
- Department of Hematology and Oncology, Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Mohammad Hadi Nematollahi
- Department of Clinical Biochemistry, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran.,Physiology Research Center, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences, Kerman, Iran
| | - Ghasem Ebrahimi
- Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hossein Fallah
- Department of Clinical Biochemistry, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
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43
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Tian P, Zhu Y, Zhang C, Guo X, Zhang P, Xue H. Ras-ERK1/2 signaling contributes to the development of colorectal cancer via regulating H3K9ac. BMC Cancer 2018; 18:1286. [PMID: 30577849 PMCID: PMC6303919 DOI: 10.1186/s12885-018-5199-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Accepted: 12/09/2018] [Indexed: 11/10/2022] Open
Abstract
BACKGROUNDS/AIMS Ras is a control switch of ERK1/2 pathway, and hyperactivation of Ras-ERK1/2 signaling appears frequently in human cancers. However, the molecular regulation following by Ras-ERK1/2 activation is still unclear. This work aimed to reveal whether Ras-ERK1/2 promoted the development of colorectal cancer via regulating H3K9ac. METHODS A vector for expression of K-Ras mutated at G12 V and T35S was transfected into SW48 cells, and the acetylation of H3K9 was measured by Western blot analysis. MTT assay, colony formation assay, transwell assay, chromatin immunoprecipitation and RT-qPCR were performed to detect whether H3K9ac was contributed to K-Ras-mediated cell growth and migration. Furthermore, whether HDAC2 and PCAF involved in modification of H3K9ac following Ras-ERK1/2 activation were studied. RESULTS K-Ras mutated at G12 V and T35S induced a significant activation of ERK1/2 signaling and a significant down-regulation of H3K9ac. Recovering H3K9 acetylation by using a mimicked H3K9ac expression vector attenuated the promoting effects of Ras-ERK1/2 on tumor cells growth and migration. Besides, H3K9ac can be deacetylated by HDAC2 and MDM2-depedent degradation of PCAF. CONCLUSION H3K9ac was a specific target for Ras-ERK1/2 signaling pathway. H3K9 acetylation can be modulated by HDAC2 and MDM2-depedent degradation of PCAF. The revealed regulation provides a better understanding of Ras-ERK1/2 signaling in tumorigenesis.
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Affiliation(s)
- Peng Tian
- Department of Gastrointestinal Surgery, Zhengzhou University People's Hospital (Henan Provincial People's Hospital), Zhengzhou, 450003, China
| | - Yanfei Zhu
- Department of General Surgery, Wuxi People's Hospital of Nanjing Medical University, Wuxi, 214023, China
| | - Chao Zhang
- Department of Gastrointestinal Surgery, Zhengzhou University People's Hospital (Henan Provincial People's Hospital), Zhengzhou, 450003, China
| | - Xinyu Guo
- Department of Gastrointestinal Surgery, Zhengzhou University People's Hospital (Henan Provincial People's Hospital), Zhengzhou, 450003, China
| | - Peng Zhang
- Department of Gastrointestinal Surgery, Zhengzhou University People's Hospital (Henan Provincial People's Hospital), Zhengzhou, 450003, China
| | - Huanzhou Xue
- Department of General Surgery, Zhengzhou University People's Hospital (Henan Provincial People's Hospital), No.7, Weiwu Road, Zhengzhou, 450003, Henan, China.
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44
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Shahid M, Lee MY, Piplani H, Andres AM, Zhou B, Yeon A, Kim M, Kim HL, Kim J. Centromere protein F (CENPF), a microtubule binding protein, modulates cancer metabolism by regulating pyruvate kinase M2 phosphorylation signaling. Cell Cycle 2018; 17:2802-2818. [PMID: 30526248 PMCID: PMC6343699 DOI: 10.1080/15384101.2018.1557496] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Revised: 11/13/2018] [Accepted: 11/28/2018] [Indexed: 12/19/2022] Open
Abstract
Prostate cancer (PC) is the most commonly diagnosed cancer in men and is the second leading cause of male cancer-related death in North America. Metabolic adaptations in malignant PC cells play a key role in fueling the growth and progression of the disease. Unfortunately, little is known regarding these changes in cellular metabolism. Here, we demonstrate that centromere protein F (CENPF), a protein associated with the centromere-kinetochore complex and chromosomal segregation during mitosis, is mechanically linked to altered metabolism and progression in PC. Using the CRISPR-Cas9 system, we silenced the gene for CENPF in human PC3 cells. These cells were found to have reduced levels of epithelial-mesenchymal transition markers and inhibited cell proliferation, migration, and invasion. Silencing of CENPF also simultaneously improved sensitivity to anoikis-induced apoptosis. Mass spectrometry analysis of tyrosine phosphorylated proteins from CENPF knockout (CENPFKO) and control cells revealed that CENPF silencing increased inactive forms of pyruvate kinase M2, a rate limiting enzyme needed for an irreversible reaction in glycolysis. Furthermore, CENPFKO cells had reduced global bio-energetic capacity, acetyl-CoA production, histone acetylation, and lipid metabolism, suggesting that CENPF is a critical regulator of cancer metabolism, potentially through its effects on mitochondrial functioning. Additional quantitative immunohistochemistry and imaging analyzes on a series of PC tumor microarrays demonstrated that CENPF expression is significantly increased in higher-risk PC patients. Based on these findings, we suggest the CENPF may be an important regulator of PC metabolism through its role in the mitochondria.
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Affiliation(s)
- Muhammad Shahid
- Departments of Surgery and Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | | | - Honit Piplani
- Department of Medicine, Cedars Sinai Medical Center, Los Angeles, CA, USA
- Cedars-Sinai Heart Institute, Los Angeles, CA, USA
| | - Allen M. Andres
- Department of Medicine, Cedars Sinai Medical Center, Los Angeles, CA, USA
- Cedars-Sinai Heart Institute, Los Angeles, CA, USA
| | - Bo Zhou
- Departments of Surgery and Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Austin Yeon
- Departments of Surgery and Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Minjung Kim
- Department of Cell Biology, Microbiology and Molecular Biology, University of South Florida, Tampa, FL, USA
| | - Hyung L. Kim
- Departments of Surgery and Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Jayoung Kim
- Departments of Surgery and Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA
- Department of Medicine, University of California Los Angeles, CA, USA
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
- Department of Urology, Ga Cheon University College of Medicine, Incheon, South Korea
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45
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Campos-Fernández E, Matsuo FS, Andrade MF, Servato JPS, Loyola AM, Cardoso SV, Siva SJ, Moraes ADS, de Faria PR. Prognostic value of histone H3 serine 10 phosphorylation and histone H4 lysine 12 acetylation in oral squamous cell carcinoma. Histopathology 2018; 74:227-238. [DOI: 10.1111/his.13713] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 07/13/2018] [Indexed: 12/31/2022]
Affiliation(s)
- Esther Campos-Fernández
- Laboratório de Nanobiotecnologia; Instituto de Biotecnologia; Universidade Federal de Uberlândia; Uberlândia Brazil
| | - Flavia S Matsuo
- Departamento de Biologia Celular e Molecular e Bioagentes Patogênicos; Faculdade de Medicina; Universidade de São Paulo; Ribeirão Preto Brazil
| | - Marília F Andrade
- Departamento de Imunologia; Instituto de Ciências Biomédicas; Universidade Federal de Uberlândia; Uberlândia Brazil
| | - João P S Servato
- Área de Biopatologia; Faculdade de Odontologia; Universidade de Uberaba (UNIUBE); Uberaba Brazil
| | - Adriano M Loyola
- Departamento de Patologia Oral; Faculdade de Odontologia; Universidade Federal de Uberlândia; Uberlândia Brazil
| | - Sérgio V Cardoso
- Departamento de Patologia Oral; Faculdade de Odontologia; Universidade Federal de Uberlândia; Uberlândia Brazil
| | - Sindeval J Siva
- Departamento de Cirurgia de Cabeça e Pescoço; Faculdade de Medicina; Universidade Federal de Uberlândia; Uberlândia Brazil
| | - Alberto da S Moraes
- Departamento de Biologia Celular, Histologia e Embriologia; Instituto de Ciências Biomédicas; Universidade Federal de Uberlândia; Uberlândia Brazil
| | - Paulo R de Faria
- Departamento de Biologia Celular, Histologia e Embriologia; Instituto de Ciências Biomédicas; Universidade Federal de Uberlândia; Uberlândia Brazil
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46
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Abstract
Oral squamous cell carcinoma (OSCC) is one of the leading cancers in the world. OSCC patients are managed with surgery and/or chemoradiation. Prognoses and survival rates are dismal, however, and have not improved for more than 20 years. Recently, the concept of precision medicine was introduced, and the introduction of targeted therapeutics demonstrated promising outcomes. This article reviews the current understanding of initiation, progression, and metastasis of OSCC from both genetic and epigenetic perspectives. In addition, the applications and integration of omics technologies in biomarker discovery and drug development for treating OSCC are reviewed.
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47
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de Freitas Filho SAJ, Servato JPS, de Sá RT, Siqueira CS, de Faria PR, Loyola AM, Cardoso SV. Evaluation of specific modified histones in lip carcinogenesis. Pathol Res Pract 2018; 214:876-880. [PMID: 29699903 DOI: 10.1016/j.prp.2018.04.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 04/12/2018] [Accepted: 04/12/2018] [Indexed: 01/21/2023]
Abstract
OBJECTIVE Histones regulate chromatin density and therefore influence gene expression and cellular proliferation. These properties are modified by methylation, acetylation and phosphorylation of histones. The aim of this study was to investigate the variation of specific modified histones in actinic cheilitis (AC) and squamous cell carcinoma of the lip (SCCL). METHODS Samples of non-neoplastic tissue of the lip (NNTL, n = 9), AC (n = 33), and SCCL (n = 27) were submitted to immunohistochemistry to detect the modified histones H3K36me3, H3K9ac, H4K12ac, and H3S10 ph. RESULTS Reactivity for all of the modified histones was significantly decreased from NNTL to AC, but not from AC to SCCL. Dysplasia in AC or histological grade in SCCL were not related to the reactivity of any modified histones. CONCLUSIONS Histone modifications are related to initial actinic damage, but not to malignant transformation in the lip.
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Affiliation(s)
| | - João Paulo Silva Servato
- Laboratory of Biopathology, School of Dentistry, University of Uberaba (UNIUBE), Uberaba, MG, Brazil
| | - Rodrigo Tavares de Sá
- Area of Pathology, School of Dentistry, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | | | - Paulo Rogério de Faria
- Department of Morphology, Biomedical Science Institute, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | - Adriano Mota Loyola
- Area of Pathology, School of Dentistry, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | - Sérgio Vitorino Cardoso
- Area of Pathology, School of Dentistry, Federal University of Uberlândia, Uberlândia, MG, Brazil.
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48
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Wagner VP, Martins MD, Martins MAT, Almeida LO, Warner KA, Nör JE, Squarize CH, Castilho RM. Targeting histone deacetylase and NFκB signaling as a novel therapy for Mucoepidermoid Carcinomas. Sci Rep 2018; 8:2065. [PMID: 29391537 PMCID: PMC5794736 DOI: 10.1038/s41598-018-20345-w] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Accepted: 01/15/2018] [Indexed: 02/06/2023] Open
Abstract
Malignancies from the salivary glands are rare and represent 11% of all cancers from the oropharyngeal anatomical area. Mucoepidermoid Carcinomas (MEC) is the most common malignancy from the salivary glands. Low survival rates of high-grade Mucoepidermoid Carcinomas (MEC) are particularly associated with the presence of positive lymph nodes, extracapsular lymph node spread, and perineural invasion. Most recently, the presence of cancer stem cells (CSC), and the activation of the NFκB signaling pathway have been suggested as cues for an acquired resistance phenotype. We have previously shown that NFκB signaling is very active in MEC tumors. Herein, we explore the efficacy of NFκB inhibition in combination with class I and II HDAC inhibitor to deplete the population of CSC and to destroy MEC tumor cells. Our finding suggests that disruption of NFκB signaling along with the administration of HDAC inhibitors constitute an effective strategy to manage MEC tumors.
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Affiliation(s)
- Vivian P Wagner
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI, 48109-1078, USA.,Experimental Pathology Unit, Clinics Hospital of Porto Alegre, Federal University of Rio Grande do Sul, Porto Alegre, RS, 90035-003, Brazil.,Department of Oral Pathology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, RS, 90035-003, Brazil
| | - Manoela D Martins
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI, 48109-1078, USA.,Experimental Pathology Unit, Clinics Hospital of Porto Alegre, Federal University of Rio Grande do Sul, Porto Alegre, RS, 90035-003, Brazil.,Department of Oral Pathology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, RS, 90035-003, Brazil
| | - Marco A T Martins
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI, 48109-1078, USA.,Experimental Pathology Unit, Clinics Hospital of Porto Alegre, Federal University of Rio Grande do Sul, Porto Alegre, RS, 90035-003, Brazil
| | - Luciana O Almeida
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI, 48109-1078, USA
| | - Kristy A Warner
- Department of Restorative Sciences, University of Michigan School of Dentistry, Ann Arbor, MI, 48109, USA
| | - Jacques E Nör
- Department of Restorative Sciences, University of Michigan School of Dentistry, Ann Arbor, MI, 48109, USA.,Comprehensive Cancer Center, University of Michigan, Ann Arbor, MI, 48109, USA.,Department of Otolaryngology, Medical School, University of Michigan, Ann Arbor, MI, USA.,Department of Biomedical Engineering, University of Michigan College of Engineering, Ann Arbor, Michigan, USA
| | - Cristiane H Squarize
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI, 48109-1078, USA.,Comprehensive Cancer Center, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Rogerio M Castilho
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI, 48109-1078, USA. .,Comprehensive Cancer Center, University of Michigan, Ann Arbor, MI, 48109, USA.
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49
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BRD4 has dual effects on the HMGB1 and NF-κB signalling pathways and is a potential therapeutic target for osteoarthritis. Biochim Biophys Acta Mol Basis Dis 2017; 1863:3001-3015. [DOI: 10.1016/j.bbadis.2017.08.009] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Revised: 07/28/2017] [Accepted: 08/16/2017] [Indexed: 01/11/2023]
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50
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Epigenetic Modifications and Head and Neck Cancer: Implications for Tumor Progression and Resistance to Therapy. Int J Mol Sci 2017; 18:ijms18071506. [PMID: 28704968 PMCID: PMC5535996 DOI: 10.3390/ijms18071506] [Citation(s) in RCA: 108] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Revised: 07/05/2017] [Accepted: 07/07/2017] [Indexed: 02/06/2023] Open
Abstract
Head and neck squamous carcinoma (HNSCC) is the sixth most prevalent cancer and one of the most aggressive malignancies worldwide. Despite continuous efforts to identify molecular markers for early detection, and to develop efficient treatments, the overall survival and prognosis of HNSCC patients remain poor. Accumulated scientific evidences suggest that epigenetic alterations, including DNA methylation, histone covalent modifications, chromatin remodeling and non-coding RNAs, are frequently involved in oral carcinogenesis, tumor progression, and resistance to therapy. Epigenetic alterations occur in an unsystematic manner or as part of the aberrant transcriptional machinery, which promotes selective advantage to the tumor cells. Epigenetic modifications also contribute to cellular plasticity during tumor progression and to the formation of cancer stem cells (CSCs), a small subset of tumor cells with self-renewal ability. CSCs are involved in the development of intrinsic or acquired therapy resistance, and tumor recurrences or relapse. Therefore, the understanding and characterization of epigenetic modifications associated with head and neck carcinogenesis, and the prospective identification of epigenetic markers associated with CSCs, hold the promise for novel therapeutic strategies to fight tumors. In this review, we focus on the current knowledge on epigenetic modifications observed in HNSCC and emerging Epi-drugs capable of sensitizing HNSCC to therapy.
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