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Liu H, Ma L, Cao Z. DNA methylation and its potential roles in common oral diseases. Life Sci 2024; 351:122795. [PMID: 38852793 DOI: 10.1016/j.lfs.2024.122795] [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: 02/13/2024] [Revised: 04/26/2024] [Accepted: 06/04/2024] [Indexed: 06/11/2024]
Abstract
Oral diseases are among the most common diseases worldwide and are associated with systemic illnesses, and the rising occurrence of oral diseases significantly impacts the quality of life for many individuals. It is crucial to detect and treat these conditions early to prevent them from advancing. DNA methylation is a fundamental epigenetic process that contributes to a variety of diseases including various oral diseases. Taking advantage of its reversibility, DNA methylation becomes a viable therapeutic target by regulating various cellular processes. Understanding the potential role of this DNA alteration in oral diseases can provide significant advances and more opportunities for diagnosis and therapy. This article will review the biology of DNA methylation, and then mainly discuss the key findings on DNA methylation in oral cancer, periodontitis, endodontic disease, oral mucosal disease, and clefts of the lip and/or palate in the background of studies on global DNA methylation and gene-specific DNA methylation.
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Affiliation(s)
- Heyu Liu
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, China
| | - Li Ma
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, China; Department of Periodontology, School & Hospital of Stomatology, Wuhan University, Wuhan, China.
| | - Zhengguo Cao
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, China; Department of Periodontology, School & Hospital of Stomatology, Wuhan University, Wuhan, China.
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2
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Zhang YP, Zhang XY, Cheng YT, Li B, Teng XZ, Zhang J, Lam S, Zhou T, Ma ZR, Sheng JB, Tam VCW, Lee SWY, Ge H, Cai J. Artificial intelligence-driven radiomics study in cancer: the role of feature engineering and modeling. Mil Med Res 2023; 10:22. [PMID: 37189155 DOI: 10.1186/s40779-023-00458-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 05/04/2023] [Indexed: 05/17/2023] Open
Abstract
Modern medicine is reliant on various medical imaging technologies for non-invasively observing patients' anatomy. However, the interpretation of medical images can be highly subjective and dependent on the expertise of clinicians. Moreover, some potentially useful quantitative information in medical images, especially that which is not visible to the naked eye, is often ignored during clinical practice. In contrast, radiomics performs high-throughput feature extraction from medical images, which enables quantitative analysis of medical images and prediction of various clinical endpoints. Studies have reported that radiomics exhibits promising performance in diagnosis and predicting treatment responses and prognosis, demonstrating its potential to be a non-invasive auxiliary tool for personalized medicine. However, radiomics remains in a developmental phase as numerous technical challenges have yet to be solved, especially in feature engineering and statistical modeling. In this review, we introduce the current utility of radiomics by summarizing research on its application in the diagnosis, prognosis, and prediction of treatment responses in patients with cancer. We focus on machine learning approaches, for feature extraction and selection during feature engineering and for imbalanced datasets and multi-modality fusion during statistical modeling. Furthermore, we introduce the stability, reproducibility, and interpretability of features, and the generalizability and interpretability of models. Finally, we offer possible solutions to current challenges in radiomics research.
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Affiliation(s)
- Yuan-Peng Zhang
- Department of Medical Informatics, Nantong University, Nantong, 226001, Jiangsu, China
- Department of Health Technology and Informatics, the Hong Kong Polytechnic University, Hong Kong, 999077, China
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, 518000, Guangdong, China
| | - Xin-Yun Zhang
- Department of Medical Informatics, Nantong University, Nantong, 226001, Jiangsu, China
| | - Yu-Ting Cheng
- Department of Medical Informatics, Nantong University, Nantong, 226001, Jiangsu, China
| | - Bing Li
- Department of Radiation Oncology, the Affiliated Cancer Hospital of Zhengzhou University and Henan Cancer Hospital, Zhengzhou, 450008, Henan, China
| | - Xin-Zhi Teng
- Department of Health Technology and Informatics, the Hong Kong Polytechnic University, Hong Kong, 999077, China
| | - Jiang Zhang
- Department of Health Technology and Informatics, the Hong Kong Polytechnic University, Hong Kong, 999077, China
| | - Saikit Lam
- Department of Health Technology and Informatics, the Hong Kong Polytechnic University, Hong Kong, 999077, China
| | - Ta Zhou
- Department of Health Technology and Informatics, the Hong Kong Polytechnic University, Hong Kong, 999077, China
| | - Zong-Rui Ma
- Department of Health Technology and Informatics, the Hong Kong Polytechnic University, Hong Kong, 999077, China
| | - Jia-Bao Sheng
- Department of Health Technology and Informatics, the Hong Kong Polytechnic University, Hong Kong, 999077, China
| | - Victor C W Tam
- Department of Health Technology and Informatics, the Hong Kong Polytechnic University, Hong Kong, 999077, China
| | - Shara W Y Lee
- Department of Health Technology and Informatics, the Hong Kong Polytechnic University, Hong Kong, 999077, China
| | - Hong Ge
- Department of Radiation Oncology, the Affiliated Cancer Hospital of Zhengzhou University and Henan Cancer Hospital, Zhengzhou, 450008, Henan, China
| | - Jing Cai
- Department of Health Technology and Informatics, the Hong Kong Polytechnic University, Hong Kong, 999077, China.
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, 518000, Guangdong, China.
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Zhou Q, Yuan O, Cui H, Hu T, Xiao GG, Wei J, Zhang H, Wu C. Bioinformatic analysis identifies HPV-related tumor microenvironment remodeling prognostic biomarkers in head and neck squamous cell carcinoma. Front Cell Infect Microbiol 2022; 12:1007950. [PMID: 36425786 PMCID: PMC9679011 DOI: 10.3389/fcimb.2022.1007950] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 10/10/2022] [Indexed: 08/29/2023] Open
Abstract
Head and neck squamous cell carcinomas (HNSCCs) are highly aggressive tumors with rapid progression and poor prognosis. Human papillomavirus (HPV) infection has been identified as one of the most important carcinogens for HNSCC. As an early event in HNSCC, infection with HPV leads to altered immune profiles in the tumor microenvironment (TME). The TME plays a key role in the progression and transformation of HNSCC. However, the TME in HNSCC is a complex and heterogeneous mix of tumor cells, fibroblasts, different types of infiltrating immune cells, and extracellular matrix. Biomarkers relevant to the TME, and the biological role of these biomarkers, remain poorly understood. To this end, we performed comprehensive analysis of the RNA sequencing (RNA-Seq) data from tumor tissue of 502 patients with HNSCC and healthy tissue of 44 control samples. In total, we identified 4,237 differentially expressed genes, including 2,062 upregulated and 2,175 downregulated genes. Further in-depth bioinformatic analysis suggested 19 HNSCC tumor tissue-specific genes. In the subsequent analysis, we focused on the biomarker candidates shown to be significantly associated with unfavorable patient survival: ITGA5, PLAU, PLAUR, SERPINE1, TGFB1, and VEGFC. We found that the expression of these genes was negatively regulated by DNA methylation. Strikingly, all of these potential biomarkers are profoundly involved in the activation of the epithelial-mesenchymal transition (EMT) pathway in HNSCCs. In addition, these targets were found to be positively correlated with the immune invasion levels of CD4+ T cells, macrophages, neutrophils, and dendritic cells, but negatively correlated with B-cell infiltration and CD8+ T-cell invasion. Notably, our data showed that the expression levels of ITGA5, PLAU, PLAUR, SERPINE1, and TGFB1 were significantly overexpressed in HPV-positive HNSCCs compared to normal controls, indicating the potential role of these biomarkers as transformation and/or malignant progression markers for HNSCCs in patients with HPV infection. Taken together, the results of our study propose ITGA5, PLAU, PLAUR, SERPINE1, and TGFB1 as potential prognostic biomarkers for HNSCCs, which might be involved in the HPV-related TME remodeling of HNSCC. Our findings provide important implications for the development and/or improvement of patient stratification and customized immunotherapies in HNSCC.
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Affiliation(s)
- Qimin Zhou
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ouyang Yuan
- Department of Oncology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hongtu Cui
- School of Biomedical Engineering, Dalian University of Technology, Dalian, China
| | - Tao Hu
- School of Biomedical Engineering, Dalian University of Technology, Dalian, China
| | - Gary Guishan Xiao
- School of Pharmaceutical Science and Technology, Dalian University of Technology, Dalian, China
| | - Jiao Wei
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Honglei Zhang
- Department of Otolaryngology Head and Neck Surgery, Air Force Medical Centre, People's Liberation Army (PLA), Beijing, China
| | - Chengjun Wu
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Sasabe E, Tomomura A, Liu H, Sento S, Kitamura N, Yamamoto T. Epidermal growth factor/epidermal growth factor receptor signaling blockage inhibits tumor cell-derived exosome uptake by oral squamous cell carcinoma through macropinocytosis. Cancer Sci 2021; 113:609-621. [PMID: 34874595 PMCID: PMC8819298 DOI: 10.1111/cas.15225] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 11/04/2021] [Accepted: 11/19/2021] [Indexed: 02/07/2023] Open
Abstract
Various cell types secrete exosomes into their surrounding extracellular space, which consequently affect the function and activity of recipient cells. Numerous studies have showed that tumor cell‐derived exosomes play important roles in tumor growth and progression. Although a variety of endocytic pathways are reportedly involved in the cellular uptake of exosomes, detailed mechanisms remain unknown. The present study demonstrated that treatment with recombinant epidermal growth factor (EGF) time‐ and dose‐dependently promoted cellular uptake of oral squamous cell carcinoma (OSCC) cell‐derived exosomes into OSCC cells themselves. Conversely, EGF receptor (EGFR) knockdown and treatment with EGFR inhibitors, including erlotinib and cetuximab, abrogated OSCC cell uptake of exosomes. The macropinocytosis inhibitor 5‐(N‐ethyl‐N‐isopropyl) amiloride (EIPA) blocked the effects of active EGF/EGFR signaling on uptake of OSCC cell‐derived exosomes. These EGFR inhibitors also suppressed OSCC cell‐derived exosome‐induced proliferation, migration, invasion, stemness, and chemoresistance of OSCC cells. Taken together, the data presented herein suggest that EGFR inhibitors might inhibit the malignant potential of OSCC cells through direct inhibition of not only EGFR downstream signaling pathway but also cellular uptake of OSCC cell‐derived exosomes through macropinocytosis.
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Affiliation(s)
- Eri Sasabe
- Department of Oral and Maxillofacial Surgery, Kochi Medical School, Kochi University, Nankoku, Japan
| | - Ayumi Tomomura
- Department of Oral and Maxillofacial Surgery, Kochi Medical School, Kochi University, Nankoku, Japan
| | - Hangyu Liu
- Department of Oral and Maxillofacial Surgery, Kochi Medical School, Kochi University, Nankoku, Japan
| | - Shinya Sento
- Department of Oral and Maxillofacial Surgery, Kochi Medical School, Kochi University, Nankoku, Japan
| | - Naoya Kitamura
- Department of Oral and Maxillofacial Surgery, Kochi Medical School, Kochi University, Nankoku, Japan
| | - Tetsuya Yamamoto
- Department of Oral and Maxillofacial Surgery, Kochi Medical School, Kochi University, Nankoku, Japan
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Abstract
In this study, the potential of Nigella sativa was evaluated in the management of oral cancer through assays designed to mimic conditions expected when chewing the whole seeds or use of a seed extract. For this purpose, a water-based extract of N. sativa seeds was prepared, mimicking the chewing process. This extract demonstrated significant cytotoxic effect on oral cancer and pre-cancerous leukoplakia cells in vitro at a much lower concentration than the predicted oral concentration that could be achieved upon seed chewing. When the active constituent(s) in this water-based N. sativa seed extract, was explored significant quantities of the compound α-hederin was detected but only modest quantities of thymoquinone suggesting that thymoquinone is not fully released into the aqueous medium during the chewing process. While the N. sativa seed extract induced a different effect on the cells than that of pure thymoquinone, α-hederin alone induced a very similar effect on the cells to that of the extract. These results suggest that α-hederin and not thymoquinone, is the major component of the seed that is responsible for the inhibitory effect observed in vitro. Therefore, chewing N. sativa whole seeds or applying a concentrated extract on the oral lesions may be an inexpensive, widely available, and effective option for patients at risk of developing oral cancer who are receiving no other preventive treatment.
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Blahak J, Zelinka J, Gumulec J, Machacek C, Danek Z, Bulik O. HPV, protein p16 and squamous cell carcinoma of the oral cavity. Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub 2020; 164:292-299. [DOI: 10.5507/bp.2019.026] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2019] [Accepted: 05/28/2019] [Indexed: 01/25/2023] Open
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Singh V, Singh R, Kujur PK, Singh RP. Combination of Resveratrol and Quercetin Causes Cell Growth Inhibition, DNA Damage, Cell Cycle Arrest, and Apoptosis in Oral Cancer Cells. Assay Drug Dev Technol 2020; 18:226-238. [PMID: 32423320 DOI: 10.1089/adt.2020.972] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Resveratrol and quercetin alone are well reported to have anticancer potential, but their combination studies are very inadequate. We have examined their combination in Cal-33 and SCC-15 oral cancer cells (OCCs) and noncancerous HEK-293 cells. Combination of 10 μM concentration of each resveratrol and quercetin brought additive effect on cellular growth, DNA damage, S-phase cell cycle arrest, and cell death in Cal-33 cells but not in the HEK-293 cells. Augmentation of the cell cycle regulatory protein, Cyclin E, and downregulation of Cyclin A possibly caused S-phase arrest in Cal-33 cancer cells. Comet formation and presence of gamma-H2AX foci confirmed DNA damage, and cleavage of PARP1 and upregulation in Bax level specified apoptosis after combined treatment. Ratio of transcription activation and repression histone marks was found increased after alone as well as combined treatment. Histone deacetylase (HDAC)1, HDAC3, and HDAC8 were downregulated by resveratrol alone and combined treatment. Conclusively, combination of resveratrol and quercetin brings cell growth inhibition, DNA damage, and cell cycle arrest in OCCs but not in normal cells. Additionally, combined treatment causes downregulation of HDACs and apoptosis in cancer cells and it could be an incisive strategy against oral cancer.
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Affiliation(s)
- Virendra Singh
- School of Life Sciences, Jawaharlal Nehru University, New Delhi, India.,School of Biotechnology, Jawaharlal Nehru University, New Delhi, India
| | - Ragini Singh
- School of Life Sciences, Jawaharlal Nehru University, New Delhi, India
| | - Praveen K Kujur
- School of Life Sciences, Jawaharlal Nehru University, New Delhi, India
| | - Rana P Singh
- School of Life Sciences, Jawaharlal Nehru University, New Delhi, India
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Ghanemi M, Pourshohod A, Ghaffari MA, Kheirollah A, Amin M, Zeinali M, Jamalan M. Specific Targeting of HER2-Positive Head and Neck Squamous Cell Carcinoma Line HN5 by Idarubicin-ZHER2 Affibody Conjugate. Curr Cancer Drug Targets 2020; 19:65-73. [PMID: 28460618 DOI: 10.2174/1568009617666170427105417] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2016] [Revised: 03/26/2017] [Accepted: 04/01/2017] [Indexed: 12/12/2022]
Abstract
BACKGROUND Expression of human epidermal growth factor receptor type 2 (HER2) in head and neck squamous cell carcinoma (HNSCC) cell line HN5 can be employed with great opportunities of success for specific targeting of anti-cancer chemotherapeutic agents. OBJECTIVE In the current study, HER2-specific affibody molecule, ZHER2:342 (an engineered protein with great affinity for HER2 receptors) was selected for conjugation to idarubicin (an anti-neoplastic antibiotic). METHOD ZHER2:342 affibody gene with one added cysteine code at the its 5' end was synthesized de novo and then inserted into pET302 plasmid and transferred to E. Coli BL21 hosting system. After induction of protein expression, the recombinant ZHER2 affibody molecules were purified using Ni- NTA resin and purity was analyzed through SDS-PAGE. Affinity-purified affibody molecules were conjugated to idarubicin through a heterobifunctional crosslinker, sulfosuccinimidyl 4-(Nmaleimidomethyl) cyclohexane-1-carboxylate (Sulfo-SMCC). Specific toxicity of idarubicin-ZHER2 affibody conjugate against two HER2-positive cells, HN5 and MCF-7 was assessed through MTT assay after an exposure time of 48 hours with different concentrations of conjugate. RESULTS Idarubicin in the non-conjugated form showed potent toxic effects against both cell lines, while HN5 cells were significantly more sensitive compared to MCF-7 cells. Dimeric ZHER2 affibody showed a mild decreasing effect on growth of both HN5 and MCF-7 cells at optimum concentration. Idarubicin-ZHER2 affibody conjugate at an optimum concentration reduced viability of HN5 cell line more efficiently compared to MCF-7 cell line. CONCLUSION In conclusion, idarubicin-ZHER2 affibody conjugate in optimum concentrations can be used for specific targeting and killing of HN5 cells.
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Affiliation(s)
- Marzieh Ghanemi
- Department of Biochemistry, Cellular and Molecular Research Center, Ahvaz Jundishapur University of Medical Science, Medical School, Ahvaz, Iran
| | - Aminollah Pourshohod
- Department of Biochemistry, Cellular and Molecular Research Center, Ahvaz Jundishapur University of Medical Science, Medical School, Ahvaz, Iran
| | - Mohammad Ali Ghaffari
- Department of Biochemistry, Cellular and Molecular Research Center, Ahvaz Jundishapur University of Medical Science, Medical School, Ahvaz, Iran
| | - Alireza Kheirollah
- Department of Biochemistry, Cellular and Molecular Research Center, Ahvaz Jundishapur University of Medical Science, Medical School, Ahvaz, Iran
| | - Mansour Amin
- Infectious and Tropical Diseases Research Center, Health Research Institute, Department of Microbiology, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Majid Zeinali
- Biotechnology Research Center, Research Institute of Petroleum Industry (RIPI), Tehran, Iran
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Roy NK, Monisha J, Padmavathi G, Lalhruaitluanga H, Kumar NS, Singh AK, Bordoloi D, Baruah MN, Ahmed GN, Longkumar I, Arfuso F, Kumar AP, Kunnumakkara AB. Isoform-Specific Role of Akt in Oral Squamous Cell Carcinoma. Biomolecules 2019; 9:E253. [PMID: 31252679 PMCID: PMC6681224 DOI: 10.3390/biom9070253] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 06/05/2019] [Accepted: 06/22/2019] [Indexed: 12/15/2022] Open
Abstract
Protein kinase B (Akt) plays a very significant role in various cancers including oral cancer. However, it has three isoforms (Akt1, Akt2, and Akt3) and they perform distinct functions and even play contrasting roles in different cancers. Therefore, it becomes essential to evaluate the isoform-specific role of Akt in oral cancer. In the present study, an attempt has been made to elucidate the isoform-specific role of Akt in oral cancer. The immunohistochemical analysis of oral cancer tissues showed an overexpression of Akt1 and 2 isoforms but not Akt3. Moreover, the dataset of "The Cancer Genome Atlas" for head and neck cancer has suggested the genetic alterations of Akt1 and 2 tend to be associated with the utmost poor clinical outcome in oral cancer. Further, treatment of oral cancer cells with tobacco and its components such as benzo(a)pyrene and nicotine caused increased mRNA levels of Akt1 and 2 isoforms and also enhanced the aggressiveness of oral cancer cells in terms of proliferation, and clonogenic and migration potential. Finally, silencing of Akt1 and 2 isoforms caused decreased cell survival and induced cell cycle arrest at the G2/M phase. Akt1/2 silencing also reduced tobacco-induced aggressiveness by decreasing the clonogenic and migration potential of oral cancer cells. Moreover, silencing of Akt1 and 2 isoforms was found to decrease the expression of proteins regulating cancer cell survival and proliferation such as cyclooxygenase-2, B-cell lymphoma 2 (Bcl-2), cyclin D1, and survivin. Thus, the important role of Akt1 and 2 isoforms have been elucidated in oral cancer with in-depth mechanistic analysis.
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Affiliation(s)
- Nand Kishor Roy
- Cancer Biology Laboratory & DBT-AIST International Laboratory for Advanced Biomedicine (DAILAB), Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Javadi Monisha
- Cancer Biology Laboratory & DBT-AIST International Laboratory for Advanced Biomedicine (DAILAB), Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Ganesan Padmavathi
- Cancer Biology Laboratory & DBT-AIST International Laboratory for Advanced Biomedicine (DAILAB), Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - H Lalhruaitluanga
- Department of Biotechnology, Mizoram University, Aizawl, Mizoram 796 004, India
| | | | - Anuj Kumar Singh
- Cancer Biology Laboratory & DBT-AIST International Laboratory for Advanced Biomedicine (DAILAB), Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Devivasha Bordoloi
- Cancer Biology Laboratory & DBT-AIST International Laboratory for Advanced Biomedicine (DAILAB), Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | | | - Gazi Naseem Ahmed
- North-East Cancer Hospital and Research Institute, Guwahati, Assam 781023, India
| | - Imliwati Longkumar
- North-East Cancer Hospital and Research Institute, Guwahati, Assam 781023, India
| | - Frank Arfuso
- Stem Cell and Cancer Biology Laboratory, School of Pharmacy and Biomedical Sciences, Curtin Health Innovation Research Institute, Curtin University, Perth, WA 6009, Australia
| | - Alan Prem Kumar
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117600, Singapore
- Cancer Science Institute of Singapore, National University of Singapore, Singapore 117599, Singapore
- Medical Science Cluster, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597, Singapore
- Medical School, Faculty of Health Sciences, Curtin University, Perth, WA 6845, Australia
| | - Ajaikumar B Kunnumakkara
- Cancer Biology Laboratory & DBT-AIST International Laboratory for Advanced Biomedicine (DAILAB), Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India.
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Mohajertehran F, Ayatollahi H, Jafarian AH, Khazaeni K, Soukhtanloo M, Shakeri MT, Mohtasham N. Overexpression of Lactate Dehydrogenase in the Saliva and Tissues of Patients with Head and Neck Squamous Cell Carcinoma. Rep Biochem Mol Biol 2019; 7:142-149. [PMID: 30805393 PMCID: PMC6374058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 01/17/2018] [Indexed: 06/09/2023]
Abstract
BACKGROUND Head and neck squamous cell carcinoma (HNSCC) is the sixth most common malignancy that is associated with high morbidity and mortality. Salivary lactate dehydrogenase (LDH concentration), as an expression of cellular necrosis, may be a special marker of lesions that occur with changes in the integrity of the oral mucosa. This study was performed to determine the accuracy of salivary LDH as a clinical marker for HNSCC detection and to investigate the relationship between salivary LDH levels and tissue tumor detection. METHODS The case group consisted of 44 HNSCC patients and the control group consisted of 44 healthy subjects. The stage and grade of HNSCC were determined, and the LDH levels in collected saliva samples were measured in all subjects. The expression of LDH in tumors and healthy tissue margins was evaluated via immunohistochemistry. RESULTS The expression of LDH in the saliva of patients with HNSCC is significantly higher than that in the saliva of the healthy control group. The expression of salivary LDH in patients with oral squamous cell carcinoma (OSCC) is significantly higher than that in the other patients and healthy individuals in the control group. The levels of salivary LDH in patients with SCC of the tongue and lower oral cavity were significantly higher than those in other patients affected with SCC in other parts of the head and neck (P<0.01). CONCLUSION As this enzyme increases simultaneously in both tumoral tissues and saliva, it can serve as a useful diagnostic marker for the early diagnosis and prediction of HNSCC.
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Affiliation(s)
| | - Hossein Ayatollahi
- Cancer Molecular Pathology Research Center, Department of Hematology and Blood Bank, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Amir Hossein Jafarian
- Cancer Molecular Pathology Research Center, Department of Pathology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Kamran Khazaeni
- Department of Otorhinolaryngology, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Mohammad Soukhtanloo
- Department of Biochemistry, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
| | | | - Nooshin Mohtasham
- Dental Research Center, Mashhad University of Medical Science, Mashhad, Iran.
- Oral and Maxillofacial Disease Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
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Latini G, De Felice C, Barducci A, Dipaola L, Gentile M, Andreassi MG, Correale M, Bianciardi G. Clinical biomarkers for cancer recognition and prevention: A novel approach with optical measurements. Cancer Biomark 2018; 22:179-198. [PMID: 29689703 DOI: 10.3233/cbm-170050] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Cancer is the most important cause of death worldwide, and early cancer detection is the most fundamental factor for efficacy of treatment, prognosis, and increasing survival rate. Over the years great effort has been devoted to discovering and testing new biomarkers that can improve its diagnosis, especially at an early stage. Here we report the potential usefulness of new, easily applicable, non-invasive and relatively low-cost clinical biomarkers, based on abnormalities of oral mucosa spectral reflectance and fractal geometry of the vascular networks in several different tissues, for identification of hereditary non-polyposis colorectal cancer carriers as well for detection of other tumors, even at an early stage. In the near future the methodology/technology of these procedures should be improved, thus making possible their applicability worldwide as screening tools for early recognition and prevention of cancer.
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Affiliation(s)
- Giuseppe Latini
- Neonatal Intensive Care Unit, Perrino Hospital Brindisi-Italy, Brindisi, Italy
| | - Claudio De Felice
- Neonatal Intensive Care Unit, Azienda Ospedaliera Universitaria Senese, Policlinico "Le Scotte" viale Bracci, Siena, Italy
| | | | - Lucia Dipaola
- Research Unit of Lecce, Clinical Physiology Institute, National Research Council of Italy, Rome, Italy
| | - Mattia Gentile
- Medical Genetics Unit, IRCCS S. De Bellis, Castellana Grotte, Bari, Italy
| | - Maria Grazia Andreassi
- Genetics Research Unit, Clinical Physiology Institute, National Research Council of Italy, Rome, Italy
| | - Mario Correale
- Clinical Pathology Unit, IRCCS S. De Bellis, Castellana Grotte, Bari, Italy
| | - Giorgio Bianciardi
- Department of Medical Biotechnologies, University of Siena, Siena, Italy
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Song CK, Oh E, Kang MS, Shin BS, Han SY, Jung M, Lee ES, Yoon SY, Sung MM, Ng WB, Cho NJ, Lee H. Fluorescence-based immunosensor using three-dimensional CNT network structure for sensitive and reproducible detection of oral squamous cell carcinoma biomarker. Anal Chim Acta 2018; 1027:101-108. [DOI: 10.1016/j.aca.2018.04.025] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 04/06/2018] [Accepted: 04/12/2018] [Indexed: 11/30/2022]
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13
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Dvojakovska S, Popovic-Monevska D, Grcev A, Pancevski G, Benedetti A, Popovski V, Dimovski A, Stamatoski A. Promotor hypermethylated genes: Prospective diagnostic biomarkers in oral cancerogenesis. J Craniomaxillofac Surg 2018; 46:1737-1740. [PMID: 30100382 DOI: 10.1016/j.jcms.2018.07.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 06/25/2018] [Accepted: 07/23/2018] [Indexed: 01/04/2023] Open
Abstract
The advancements in epigenetics of oral squamous cell carcinoma (OSCC), are made in regard to DNA hypermethylation of MGMT, DAPK, ECAD (E-cadherin) and p16, as an important component of oral carcinogenesis and new potential biomarkers in molecular diagnostic strategies. The objective of the study was to evaluate the methylation status of the proposed genes and their possible role in the tumor genesis and diagnosis of OSCC. MATERIALS AND METHODS From sixty surgically treated and molecularly analyzed patients, we obtained three groups of bioptical materials: tumor, normal contralateral and healthy tissues. Comparison of the frequencies of DNA methylation for all transcripts was utilized to validated their potential role in the cancerogenesis and detection of OSCC. RESULTS The most often methylated genes in the tumor samples were ECAD, MGMT, DAPK followed by p16 genes (90% vs 75% vs 75% vs 52,5%), respectively. We observed frequent methylated genes in contralateral mucosa and consistently unmethylated- 0% in healthy samples. ECAD methylated genes showed the highest sensitivity for diagnosing OSCC in tumor and contralateral tissues (90% and 89,7% respectively, with a specificity of 100%). CONCLUSION ECAD and MGMT have tumor-specific signatures and can be considered as potential noninvasive diagnostic biomarkers in OSCC.
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Affiliation(s)
- Suzana Dvojakovska
- Oral and Maxillofacial Surgeon, University Clinic for Maxillofacial Surgery, Faculty of Dental Medicine, University "Ss Cyril and Methodius", Skopje, The Former Yugoslav Republic of Macedonia
| | - Danica Popovic-Monevska
- Oral and Maxillofacial Surgeon, University Clinic for Maxillofacial Surgery, Faculty of Dental Medicine, University "Ss Cyril and Methodius", Skopje, The Former Yugoslav Republic of Macedonia
| | - Aleksandar Grcev
- Oral and Maxillofacial Surgeon, University Clinic for Maxillofacial Surgery, Faculty of Dental Medicine, University "Ss Cyril and Methodius", Skopje, The Former Yugoslav Republic of Macedonia
| | - Goran Pancevski
- Oral and Maxillofacial Surgeon, University Clinic for Maxillofacial Surgery, Faculty of Dental Medicine, University "Ss Cyril and Methodius", Skopje, The Former Yugoslav Republic of Macedonia
| | - Alberto Benedetti
- Oral and Maxillofacial Surgeon, University Clinic for Maxillofacial Surgery, Faculty of Dental Medicine, University "Ss Cyril and Methodius", Skopje, The Former Yugoslav Republic of Macedonia
| | - Vladimir Popovski
- Oral and Maxillofacial Surgeon, University Clinic for Maxillofacial Surgery, Faculty of Dental Medicine, University "Ss Cyril and Methodius", Skopje, The Former Yugoslav Republic of Macedonia
| | - Aleksandar Dimovski
- Institute for Pharmaceutical Chemistry (Molecular Biology, Immunology and Pharmacogenetics), Faculty of Pharmacy, University "Ss. Cyril & Methodius", Skopje, The Former Yugoslav Republic of Macedonia
| | - Aleksandar Stamatoski
- Faculty of Dental Medicine, University "Ss Cyril and Methodius", Skopje, The Former Yugoslav Republic of Macedonia.
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14
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Russo D, Merolla F, Varricchio S, Salzano G, Zarrilli G, Mascolo M, Strazzullo V, Di Crescenzo RM, Celetti A, Ilardi G. Epigenetics of oral and oropharyngeal cancers. Biomed Rep 2018; 9:275-283. [PMID: 30233779 DOI: 10.3892/br.2018.1136] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Accepted: 06/20/2018] [Indexed: 12/14/2022] Open
Abstract
Oral and oropharyngeal cancers represent the two most common malignancies of the head and neck region. The major risk factors for these cancers include alcohol consumption, tobacco use (via smoking or chewing) and high-risk human papillomavirus infection. The transition from normal epithelium to premalignant tissue and finally carcinoma is in part caused by a summation of genetic and epigenetic modifications. Epigenetic refers to modifications in the way the genome is expressed in cells. The most common examples of epigenetic control of gene expression are DNA methylation, histone modification and regulation by small non-coding RNAs. The aim of the current paper was to review the recent studies on the main epigenetic changes that have been suggested to serve a role in the carcinogenesis process and progression of oral and oropharyngeal cancers. Furthermore, it is discussed how the epigenetic changes may be used as potential predictive biomarkers and how recent findings in the field may impact the personalized cancer therapy approach for these tumors.
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Affiliation(s)
- Daniela Russo
- Department of Advanced Biomedical Sciences, Pathology Unit, University of Naples Federico II, Ι-80131 Naples, Italy
| | - Francesco Merolla
- Department of Medicine and Health Sciences V. Tiberio, University of Molise, Ι-86100 Campobasso, Italy
| | - Silvia Varricchio
- Department of Advanced Biomedical Sciences, Pathology Unit, University of Naples Federico II, Ι-80131 Naples, Italy
| | - Giovanni Salzano
- Department of Neuroscience and Reproductive and Odontostomatological Sciences, Operative Unit of Maxillofacial Surgery, University of Naples Federico II, Ι-80131 Naples, Italy
| | - Giovanni Zarrilli
- Department of Medicine and Health Sciences V. Tiberio, University of Molise, Ι-86100 Campobasso, Italy
| | - Massimo Mascolo
- Department of Advanced Biomedical Sciences, Pathology Unit, University of Naples Federico II, Ι-80131 Naples, Italy
| | - Viviana Strazzullo
- Department of Advanced Biomedical Sciences, Pathology Unit, University of Naples Federico II, Ι-80131 Naples, Italy
| | - Rosa Maria Di Crescenzo
- Department of Advanced Biomedical Sciences, Pathology Unit, University of Naples Federico II, Ι-80131 Naples, Italy
| | - Angela Celetti
- Institute for Experimental Endocrinology and Oncology Gaetano Salvatore, Italian National Council of Research, Ι-80131 Naples, Italy
| | - Gennaro Ilardi
- Department of Advanced Biomedical Sciences, Pathology Unit, University of Naples Federico II, Ι-80131 Naples, Italy
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15
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Orosz E, Gombos K, Riedling T, Afiakurue P, Kiss I, Pytel J, Gerlinger I, Szanyi I. Comparative miRNA Expression Profile Analysis of Squamous Cell Carcinoma and Peritumoral Mucosa from the Meso- and Hypopharynx. Cancer Genomics Proteomics 2018. [PMID: 28647702 DOI: 10.21873/cgp.20039] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND/AIM The role of microRNAs (miRNA) in carcinogenesis is related to their genome-regulatory function. The aim of the present study was to identify and compare miRNA expression signatures of meso- and hypopharynx squamous cell cancers in consideration of the cancer field hypothesis. PATIENTS AND METHODS Thirteen snap-frozen biopsy series of tumors and peritumoral tissues from the meso- and hypopharynx were analyzed regarding their miRNA expression with quantitative real-time polymerase chain reaction (qRT-PCR). RESULTS Significant miRNA expression changes of miR-21, -27a, -34a, -143 and -146a were found in peritumoral tissues that were dependent from the tumor location and the distance from the primary tumor site. CONCLUSION miRNA expression analysis was found to be appropriate for molecular segregation of tumor location and peritumoral tissue segments, and appears to be a promising marker for cancer field characterization.
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Affiliation(s)
- Eva Orosz
- PTE KK Department of Otorhinolaryngology and Head and Neck Surgery, Pécs, Hungary
| | - Katalin Gombos
- PTE ÁOK Department of Laboratory Medicine, Pécs, Hungary
| | - Tamas Riedling
- PTE ÁOK Department of Laboratory Medicine, Pécs, Hungary
| | | | - Istvan Kiss
- PTE ÁOK Department of Public Health Medicine, Pécs, Hungary
| | - Jozsef Pytel
- PTE KK Department of Otorhinolaryngology and Head and Neck Surgery, Pécs, Hungary
| | - Imre Gerlinger
- PTE KK Department of Otorhinolaryngology and Head and Neck Surgery, Pécs, Hungary
| | - Istvan Szanyi
- PTE KK Department of Otorhinolaryngology and Head and Neck Surgery, Pécs, Hungary
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16
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Cao Y, Green K, Quattlebaum S, Milam B, Lu L, Gao D, He H, Li N, Gao L, Hall F, Whinery M, Handley E, Ma Y, Xu T, Jin F, Xiao J, Wei M, Smith D, Bornstein S, Gross N, Pyeon D, Song J, Lu SL. Methylated genomic loci encoding microRNA as a biomarker panel in tissue and saliva for head and neck squamous cell carcinoma. Clin Epigenetics 2018; 10:43. [PMID: 29636832 PMCID: PMC5883341 DOI: 10.1186/s13148-018-0470-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Accepted: 03/12/2018] [Indexed: 02/07/2023] Open
Abstract
Background To identify aberrant promoter methylation of genomic loci encoding microRNA (mgmiR) in head and neck squamous cell carcinoma (HNSCC) and to evaluate a biomarker panel of mgmiRs to improve the diagnostic accuracy of HNSCC in tissues and saliva. Methods Methylation of promoter regions of mgmiR candidates was initially screened using HNSCC and control cell lines and further selected using HNSCC and control tissues by quantitative methylation-specific PCR (qMS-PCR). We then examined a panel of seven mgmiRs for validation in an expanded cohort including 189 HNSCC and 92 non-HNSCC controls. Saliva from 86 pre-treatment HNSCC patients and 108 non-HNSCC controls was also examined using this panel of seven mgmiRs to assess the potentials of clinical utilization. Results Among the 315 screened mgmiRs, 12 mgmiRs were significantly increased in HNSCC cell lines compared to control cell lines. Seven out of the 12 mgmiRs, i.e., mgmiR9-1, mgmiR124-1, mgmiR124-2, mgmiR124-3, mgmiR129-2, mgmiR137, and mgmiR148a, were further found to significantly increase in HNSCC tumor tissues compared to control tissues. Using multivariable logistic regression with dichotomized variables, a combination of the seven mgmiRs had sensitivity and specificity of 92.6 and 92.4% in tissues and 76.7 and 86.1% in saliva, respectively. Area under the receiver operating curve for this panel was 0.97 in tissue and 0.93 in saliva. This model was validated by independent bootstrap validation and random forest analysis. Conclusions mgmiR biomarkers represent a novel and promising screening tool, and the seven-mgmiR panel is able to robustly detect HNSCC in both patient tissue and saliva. Electronic supplementary material The online version of this article (10.1186/s13148-018-0470-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Yu Cao
- 1Department of Otolaryngology, University of Colorado Anschutz Medical Campus, 12700 E19th Avenue, Aurora, CO 80045 USA.,2Laboratory of Precision Oncology, China Medical University School of Pharmacy, No. 77 Puhe Road, Shenyang, 110122 China
| | - Katherine Green
- 1Department of Otolaryngology, University of Colorado Anschutz Medical Campus, 12700 E19th Avenue, Aurora, CO 80045 USA
| | - Steve Quattlebaum
- 1Department of Otolaryngology, University of Colorado Anschutz Medical Campus, 12700 E19th Avenue, Aurora, CO 80045 USA
| | - Ben Milam
- 1Department of Otolaryngology, University of Colorado Anschutz Medical Campus, 12700 E19th Avenue, Aurora, CO 80045 USA
| | - Ling Lu
- 1Department of Otolaryngology, University of Colorado Anschutz Medical Campus, 12700 E19th Avenue, Aurora, CO 80045 USA
| | - Dexiang Gao
- 3Department of Biostatistics, University of Colorado Anschutz Medical Campus, 12700 E19th Avenue, Aurora, CO 80045 USA
| | - Hui He
- 1Department of Otolaryngology, University of Colorado Anschutz Medical Campus, 12700 E19th Avenue, Aurora, CO 80045 USA.,Research Laboratory and Department of Hematology, Benxi Central Hospital, Benxi, 117000 China
| | - Ningning Li
- 1Department of Otolaryngology, University of Colorado Anschutz Medical Campus, 12700 E19th Avenue, Aurora, CO 80045 USA.,Department of Medical Oncology, Peking Union Medical School Hospital, Beijing, 100730 China
| | - Liwei Gao
- 1Department of Otolaryngology, University of Colorado Anschutz Medical Campus, 12700 E19th Avenue, Aurora, CO 80045 USA.,6Department of Radiation Oncology, China Japan Friendship Hospital, Beijing, China
| | - Francis Hall
- 1Department of Otolaryngology, University of Colorado Anschutz Medical Campus, 12700 E19th Avenue, Aurora, CO 80045 USA
| | - Matthew Whinery
- 1Department of Otolaryngology, University of Colorado Anschutz Medical Campus, 12700 E19th Avenue, Aurora, CO 80045 USA
| | - Elyse Handley
- 1Department of Otolaryngology, University of Colorado Anschutz Medical Campus, 12700 E19th Avenue, Aurora, CO 80045 USA
| | - Yi Ma
- 1Department of Otolaryngology, University of Colorado Anschutz Medical Campus, 12700 E19th Avenue, Aurora, CO 80045 USA.,7Department of Otolaryngology, The First University Hospital of China Medical University, Shenyang, 110001 China
| | - Tao Xu
- 8Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, 12700 E19th Avenue, Aurora, CO 80045 USA
| | - Feng Jin
- 9Department of Surgical Oncology, The First University Hospital of China Medical University, Shenyang, 110001 China
| | - Jing Xiao
- 10Department of Oral Pathology, Dental School of Dalian Medical University, Dalian, 116044 China
| | - Minjie Wei
- 2Laboratory of Precision Oncology, China Medical University School of Pharmacy, No. 77 Puhe Road, Shenyang, 110122 China
| | - Derek Smith
- 3Department of Biostatistics, University of Colorado Anschutz Medical Campus, 12700 E19th Avenue, Aurora, CO 80045 USA
| | - Sophia Bornstein
- 11Department of Radiation Oncology, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239 USA.,15Department of Radiation Oncology, Cornell University, New York, NY USA
| | - Neil Gross
- 12Department of Otolaryngology, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239 USA.,16Department of Head and Neck Surgery, MD Anderson Cancer Center, Houston, TX USA
| | - Dohun Pyeon
- 8Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, 12700 E19th Avenue, Aurora, CO 80045 USA
| | - John Song
- 1Department of Otolaryngology, University of Colorado Anschutz Medical Campus, 12700 E19th Avenue, Aurora, CO 80045 USA
| | - Shi-Long Lu
- 1Department of Otolaryngology, University of Colorado Anschutz Medical Campus, 12700 E19th Avenue, Aurora, CO 80045 USA.,2Laboratory of Precision Oncology, China Medical University School of Pharmacy, No. 77 Puhe Road, Shenyang, 110122 China.,13Department of Pathology, University of Colorado Anschutz Medical Campus, 12700 E19th Avenue, Aurora, CO 80045 USA.,14Department of Dermatology, University of Colorado Anschutz Medical Campus, 12700 E19th Avenue, Aurora, CO 80045 USA
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17
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A functional variant at the miRNA binding site in HMGB1 gene is associated with risk of oral squamous cell carcinoma. Oncotarget 2018; 8:34630-34642. [PMID: 28423715 PMCID: PMC5470997 DOI: 10.18632/oncotarget.16120] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Accepted: 02/15/2017] [Indexed: 12/12/2022] Open
Abstract
Oral squamous cell carcinoma (OSCC) is a common malignancy that has been causally associated with both hereditary and acquired factors. The high mobility group box 1 (HMGB1) gene plays an important role as a DNA chaperone to help maintain nuclear homeostasis. Altered expression of HMGB1 has been implicated in a wide range of pathological processes, including inflammation and cancer. The present study explores the impact of HMGB1 gene polymorphisms, combined with environmental risks regarding susceptibility to oral tumorigenesis. Four single-nucleotide polymorphisms (SNPs) of the HMGB1 gene, rs1412125, rs2249825, rs1045411, and rs1360485, were evaluated in 1,200 normal controls and 772 patients with OSCC. We found an association between the wild-type allele of rs1045411 and genotypes CT and CT/TT (AOR=0.754, 95% CI=0.582-0.978 and AOR=0.778, 95% CI=0.609-0.995, respectively). Additionally, bioinformatics analysis was used to characterize the functional relevance of these variants for the miRNA-505-5p binding site and transcriptional regulation by the HMGB1 3’-UTR and promoter regions. Moreover, in considering behavioral exposure to environmental carcinogens, the presence of the four HMGB1 SNPs, combined with/without betel quid chewing and smoking showed, profoundly synergistic effects on the risk of OSCC. In conclusion, we present a potential clinical relevance for HMGB1 variants in OSCC, as well as associations between HMGB1 polymorphisms, haplotypes and environmental risk factors. The finding may help in development of optimal therapeutic approaches for OSCC patients.
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18
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Sasabe E, Tomomura A, Tomita R, Sento S, Kitamura N, Yamamoto T. Ephrin-B2 reverse signaling regulates progression and lymph node metastasis of oral squamous cell carcinoma. PLoS One 2017; 12:e0188965. [PMID: 29190834 PMCID: PMC5708812 DOI: 10.1371/journal.pone.0188965] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Accepted: 11/16/2017] [Indexed: 01/06/2023] Open
Abstract
Oral squamous cell carcinoma (OSCC) is a common malignant tumor of the head and neck and frequently metastasizes to cervical lymph nodes. Aggressive local invasion and metastasis of OSCC are significant factors for poor prognosis. In this study, we investigated whether ephrin-B2 expressed in OSCC contributed to tumor progression and lymph node metastasis. Clinical specimens from patients with OSCC had robust ephrin-B2-positive tumor cells and ephrin-B2 protein level was associated with clinical stage, lymph node metastasis, and poor survival outcomes. We also determined that ephrin-B2 protein level was increased in OSCC cell lines compared to normal human oral keratinocytes and that its levels were associated with the migratory and invasive potential of OSCC cell lines. Transfection of an EFNB2-specific small interfering RNA (siRNA) into SAS-L1 cells significantly reduced proliferation, attachment, migration, and invasion through phosphorylation of the epidermal growth factor receptor, FAK, ERK1/2, p38, AKT, and JNK1/2 pathways. Furthermore, knockdown of EFNB2 significantly suppressed adhesion and transmigration of SAS-L1 cells toward human lymphatic endothelial cells. In addition, the growth rate of tumor xenografts and cervical lymph node metastases of OSCC were suppressed by local injection of EFNB2 siRNA. These results suggest that ephrin-B2 overexpression and activation of the ephrin-B2 reverse signaling pathway in tumor microenvironment in OSCC facilitates progression and lymph node metastasis via enhancement of malignant potential and interaction with surrounding cells.
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Affiliation(s)
- Eri Sasabe
- Department of Oral and Maxillofacial Surgery, Kochi Medical School, Kochi University, Kohasu, Oko-cho, Nankoku-city, Kochi, Japan
- * E-mail:
| | - Ayumi Tomomura
- Department of Oral and Maxillofacial Surgery, Kochi Medical School, Kochi University, Kohasu, Oko-cho, Nankoku-city, Kochi, Japan
| | - Riki Tomita
- Department of Oral and Maxillofacial Surgery, Kochi Medical School, Kochi University, Kohasu, Oko-cho, Nankoku-city, Kochi, Japan
| | - Shinya Sento
- Department of Oral and Maxillofacial Surgery, Kochi Medical School, Kochi University, Kohasu, Oko-cho, Nankoku-city, Kochi, Japan
| | - Naoya Kitamura
- Department of Oral and Maxillofacial Surgery, Kochi Medical School, Kochi University, Kohasu, Oko-cho, Nankoku-city, Kochi, Japan
| | - Tetsuya Yamamoto
- Department of Oral and Maxillofacial Surgery, Kochi Medical School, Kochi University, Kohasu, Oko-cho, Nankoku-city, Kochi, Japan
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19
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Yap T, Vella LJ, Seers C, Nastri A, Reynolds E, Cirillo N, McCullough M. Oral swirl samples - a robust source of microRNA protected by extracellular vesicles. Oral Dis 2016; 23:312-317. [PMID: 27796067 DOI: 10.1111/odi.12603] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Revised: 10/10/2016] [Accepted: 10/19/2016] [Indexed: 12/21/2022]
Abstract
BACKGROUND MicroRNAs are small non-coding RNAs which are dysregulated in disease states, such as oral cancer. Extracellular vesicles, a potential source of microRNA, are found in saliva. OBJECTIVE To demonstrate that a quantifiable amount of microRNA can be isolated from oral swirl samples. Additionally, we hypothesized that extracellular vesicles may protect contained microRNA from degradation in these samples. METHOD A polyethylene glycol-based precipitation was used for extracellular vesicle enrichment of oral swirl samples. Comparison was made between samples treated with and without RNase. Further, samples from three subjects were exposed to a range of conditions over 7 days and assessed for presence of microRNA by reverse-transcription quantitative PCR. Extracellular vesicles from samples were identified under transmission electron microscopy. RESULTS An adequate quantity of microRNA for qPCR analysis was extractable from samples despite exposure to conditions under which degradation of RNA would be expected. CONCLUSION A technique was developed to isolate an adequate quantity of microRNA for analysis from oral swirl samples. Extracellular vesicle-associated microRNA may be protected from degradation. This technique moves towards chairside application of translational microRNA research in the field of oral cancer prognostics.
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Affiliation(s)
- T Yap
- Melbourne Dental School, University of Melbourne, Melbourne, Vic., Australia
| | - L J Vella
- The Florey Institute of Neuroscience and Mental Health, Parkville, Vic., Australia
| | - C Seers
- Melbourne Dental School, University of Melbourne, Melbourne, Vic., Australia.,Oral Health Cooperative Research Centre, Melbourne, Vic., Australia
| | - A Nastri
- Department of Oral and Maxillofacial Surgery, Royal Melbourne Hospital, Melbourne, Vic., Australia
| | - E Reynolds
- Melbourne Dental School, University of Melbourne, Melbourne, Vic., Australia.,Oral Health Cooperative Research Centre, Melbourne, Vic., Australia
| | - N Cirillo
- Melbourne Dental School, University of Melbourne, Melbourne, Vic., Australia.,Oral Health Cooperative Research Centre, Melbourne, Vic., Australia
| | - M McCullough
- Melbourne Dental School, University of Melbourne, Melbourne, Vic., Australia.,Oral Health Cooperative Research Centre, Melbourne, Vic., Australia
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20
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Ahn MY, Yoon JH. Histone deacetylase 8 as a novel therapeutic target in oral squamous cell carcinoma. Oncol Rep 2016; 37:540-546. [PMID: 28004115 DOI: 10.3892/or.2016.5280] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Accepted: 11/21/2016] [Indexed: 11/06/2022] Open
Abstract
The overexpression of histone deacetylases (HDACs) has been observed in many cancers and inhibition of specific HDAC has emerged as a new target for cancer therapy. The present study examined the expression of HDAC8 and the inhibitory effect of HDAC8 in oral squamous cell carcinoma (OSCC). The expression of HDAC8 was measured in human OSCC tissues and OSCC cell lines using immunohistochemistry and immunoblotting. HDAC8 was knocked down in OSCC cells by transfection with HDAC8 siRNAs and cell proliferation was quantified. Apoptosis and autophagy were measured using flow cytometry and immunoblotting. HDAC8 were overexpressed in OSCC tissues and OSCC cells, mainly localized in the cytoplasm. HDAC8 siRNAs effectively reduced the level of HDAC8 expression and HDAC8 silencing significantly inhibited the proliferation of OSCC cells. HDAC8 knockdown induced apoptotic cell death through caspases activation and pro-survival autophagy in OSCC cells. Combination with HDAC silencing and autophagy inhibition enhanced cell death by increasing apoptosis in OSCC cells. This study suggests that inhibition of HDAC8 might become a novel therapeutic strategy for OSCC.
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Affiliation(s)
- Mee-Young Ahn
- College of Medical and Life Sciences, Division of Bio-industry, Major in Pharmaceutical Engineering, Silla University, Busan 46958, Republic of Korea
| | - Jung-Hoon Yoon
- Department of Oral and Maxillofacial Pathology, College of Dentistry, Wonkwang Bone Regeneration Research Institute, Daejeon Dental Hospital, Wonkwang University, Daejeon 302-120, Republic of Korea
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21
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Worsham MJ, Chen KM, Datta I, Stephen JK, Chitale D, Gothard A, Divine G. The biological significance of methylome differences in human papilloma virus associated head and neck cancer. Oncol Lett 2016; 12:4949-4956. [PMID: 28101231 PMCID: PMC5228097 DOI: 10.3892/ol.2016.5303] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Accepted: 08/26/2016] [Indexed: 01/02/2023] Open
Abstract
In recent years, studies have suggested that promoter methylation in human papilloma virus (HPV) positive head and neck squamous cell carcinoma (HNSCC) has a mechanistic role and has the potential to improve patient survival. The present study aimed to replicate key molecular findings from previous analyses of the methylomes of HPV positive and HPV negative HNSCC in an independent cohort, to assess the reliability of differentially methylated markers in HPV-associated tumors. HPV was measured using real-time quantitative PCR and the biological significance of methylation differences was assessed by Ingenuity Pathway Analysis (IPA). Using an identical experimental design of a 450K methylation platform, 7 of the 11 genes were detected to be significantly differentially methylated and all 11 genes were either hypo- or hypermethylated, which was in agreement with the results of a previous study. IPA's enriched networks analysis identified one network with msh homeobox 2 (MSX2) as a central node. Locally dense interactions between genes in networks tend to reflect significant biology; therefore MSX2 was selected as an important gene. Sequestration in the top four canonical pathways was noted for 5-hydroxytryptamine receptor 1E (serotonin signaling), collapsin response mediator protein 1 (semaphorin signaling) and paired like homeodomain 2 (bone morphogenic protein and transforming growth factor-β signaling). Placement of 9 of the 11 genes in highly ranked pathways and bionetworks identified key biological processes to further emphasize differences between HNSCC HPV positive and negative pathogenesis.
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Affiliation(s)
- Maria J Worsham
- Department of Otolaryngology/Head and Neck Research, Henry Ford Hospital, Detroit, MI 48202, USA
| | - Kang Mei Chen
- Department of Otolaryngology/Head and Neck Research, Henry Ford Hospital, Detroit, MI 48202, USA
| | - Indrani Datta
- Department of Public Health Sciences, Henry Ford Hospital, Detroit, MI 48202, USA
| | - Josena K Stephen
- Department of Otolaryngology/Head and Neck Research, Henry Ford Hospital, Detroit, MI 48202, USA
| | - Dhananjay Chitale
- Department of Pathology, Henry Ford Hospital, Detroit, MI 48202, USA
| | | | - George Divine
- Department of Public Health Sciences, Henry Ford Hospital, Detroit, MI 48202, USA
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22
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Dahiya K, Dhankhar R. Updated overview of current biomarkers in head and neck carcinoma. World J Methodol 2016; 6:77-86. [PMID: 27018324 PMCID: PMC4804254 DOI: 10.5662/wjm.v6.i1.77] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Revised: 11/25/2015] [Accepted: 03/09/2016] [Indexed: 02/06/2023] Open
Abstract
Squamous cell cancer is the most common type of malignancy arising from the epithelial cells of the head and neck region. Head and neck squamous cell carcinoma (HNSCC) is one of the predominant causes of cancer related casualties worldwide. Overall prognosis in this disease has improved to some extent with the advancements in therapeutic modalities but detection of primary tumor at its initial stage and prevention of relapse are the major targets to be achieved for further improvement in terms of survival rate of patients. Latest achievements in basic research regarding molecular characterization of the disease has helped in better perception of the molecular mechanisms involved in HNSCC progression and also in recognizing and targeting various molecular biomarkers associated with HNSCC. In the present article, we review the information regarding latest and potential biomarkers for the early detection of HNSCC. A detailed molecular characterization, ultimately, is likely to improve the development of new therapeutic strategies, potentially relevant to diagnosis and prognosis of head and neck cancers. The need for more accurate and timely disease prediction has generated enormous research interests in this field.
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23
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Lim Y, Sun CX, Tran P, Punyadeera C. Salivary epigenetic biomarkers in head and neck squamous cell carcinomas. Biomark Med 2016; 10:301-13. [DOI: 10.2217/bmm.16.2] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The early detection of head and neck squamous cell carcinoma (HNSCC) continues to be a challenge to the clinician. Saliva as a diagnostic medium carries significant advantages including its close proximity to the region of interest, ease of collection and noninvasive nature. While the identification of biomarkers continues to carry significant diagnostic and prognostic utility in HNSCC, epigenetic alterations present a novel opportunity to serve this purpose. With the developments of novel and innovative technologies, epigenetic alterations are now emerging as attractive candidates in HNSCC. As such, this review will focus on two commonly aberrant epigenetic alterations: DNA methylation and microRNA expression in HNSCC and their potential clinical utility. Identification and validation of these salivary epigenetic biomarkers would not only enable early diagnosis but will also facilitate in the clinical management.
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Affiliation(s)
- Yenkai Lim
- The School of Biomedical Sciences, Institute of Health & Biomedical Innovations, Queensland University of Technology, 60 Musk Avenue, Kelvin Grove, Brisbane, QLD 4001, Australia
| | - Charles Xiaohang Sun
- The School of Biomedical Sciences, Institute of Health & Biomedical Innovations, Queensland University of Technology, 60 Musk Avenue, Kelvin Grove, Brisbane, QLD 4001, Australia
- School of Dentistry, The University of Queensland, 288 Herston Rd, Herston, Brisbane, QLD 4006, Australia
| | - Peter Tran
- The School of Biomedical Sciences, Institute of Health & Biomedical Innovations, Queensland University of Technology, 60 Musk Avenue, Kelvin Grove, Brisbane, QLD 4001, Australia
- School of Dentistry, The University of Queensland, 288 Herston Rd, Herston, Brisbane, QLD 4006, Australia
| | - Chamindie Punyadeera
- The School of Biomedical Sciences, Institute of Health & Biomedical Innovations, Queensland University of Technology, 60 Musk Avenue, Kelvin Grove, Brisbane, QLD 4001, Australia
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Mydlarz WK, Hennessey PT, Wang H, Carvalho AL, Califano JA. Serum biomarkers for detection of head and neck squamous cell carcinoma. Head Neck 2016; 38:9-14. [PMID: 24995714 PMCID: PMC4317379 DOI: 10.1002/hed.23842] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/30/2014] [Indexed: 11/08/2022] Open
Abstract
BACKGROUND Detection of hypermethylated circulating tumor DNA has the potential to be a minimally invasive, low cost, and reproducible method for cancer detection. METHODS We evaluated serum from 100 patients with known head and neck squamous cell carcinoma (HNSCC) and 50 healthy control patients for 3 previously described methylation targets, endothelin receptor type B (EDNRB), cyclin-dependent kinase inhibitor 2A (CDKN2A or p16), and deleted in colorectal carcinoma (DCC), using quantitative methylation specific polymerase chain reaction (qMSPCR). RESULTS EDNRB hypermethylation was identified in the serum of 10% of the patients with HNSCC but in none of the control patients. DCC hypermethylation was detected in 2 serum samples from patients with cancer that also amplified EDNRB and one of these samples also had p16 hypermethylation. EDNRB hypermethylation was statistically significant by Fisher's exact test (p = .03) when comparing HNSCC to controls. CONCLUSIONS Serum EDNRB hypermethylation is a highly specific but not sensitive serum biomarker for HNSCC.
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Affiliation(s)
- Wojciech K. Mydlarz
- Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Patrick T. Hennessey
- Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Hao Wang
- Division of Biostatistics, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | | | - Joseph A. Califano
- Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Milton J. Dance Head and Neck Center, Greater Baltimore Medical Center, Baltimore, MD, USA
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25
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Bosutti A, Zanconati F, Grassi G, Dapas B, Passamonti S, Scaggiante B. Epigenetic and miRNAs Dysregulation in Prostate Cancer: The role of Nutraceuticals. Anticancer Agents Med Chem 2016; 16:1385-1402. [PMID: 27109021 PMCID: PMC5068501 DOI: 10.2174/1871520616666160425105257] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Revised: 03/29/2016] [Accepted: 04/22/2016] [Indexed: 02/08/2023]
Abstract
The control of cancer onset and progression is recognized to benefit from specific molecular targeting. MiRNAs are increasingly being implicated in prostate cancer, and the evidence suggests they are possible targets for molecular therapy and diagnosis. In cancer cells, growing attention has been dedicated to novel molecular mechanisms linking the epigenetic scenario to miRNA dysregulation. Currently, the rising evidence shows that nutritional and natural agents, the so-called nutraceuticals, could modulate miRNAs expression, and, as a consequence, might influence cellular responses in health or diseases conditions, including cancer. Among dietary components, plant-derived polyphenols are receiving wide interest, either for their anti-aging and anti-oxidant properties, or for their more general "cell-protective" effects. Above all, their role in preventing the occurrence/recurrence of cancer and, in particular, their potentiality in nutritional intervention for modulating the functions of miRNAs and the epigenetic mechanisms, is still under active debate. This review is focused on the more recent highlights of the impact of miRNAs dysregulation on the onset and progression of prostate cancer, their interplay with epigenetic control and their modulation by natural agents.
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Affiliation(s)
| | | | | | | | | | - Bruna Scaggiante
- Address correspondence to this author at the Dept. of Life Sciences, Via Giorgeri, 1, University of Trieste, 34127 Trieste, Italy; Tel: ++39 040 558 3686; Fax: ++39 040 558 3691; E-mail:
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26
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Kawahara R, Bollinger JG, Rivera C, Ribeiro ACP, Brandão TB, Paes Leme AF, MacCoss MJ. A targeted proteomic strategy for the measurement of oral cancer candidate biomarkers in human saliva. Proteomics 2015; 16:159-73. [PMID: 26552850 DOI: 10.1002/pmic.201500224] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2015] [Revised: 08/27/2015] [Accepted: 11/04/2015] [Indexed: 12/31/2022]
Abstract
Head and neck cancers, including oral squamous cell carcinoma (OSCC), are the sixth most common malignancy in the world and are characterized by poor prognosis and a low survival rate. Saliva is oral fluid with intimate contact with OSCC. Besides non-invasive, simple, and rapid to collect, saliva is a potential source of biomarkers. In this study, we build an SRM assay that targets fourteen OSCC candidate biomarker proteins, which were evaluated in a set of clinically-derived saliva samples. Using Skyline software package, we demonstrated a statistically significant higher abundance of the C1R, LCN2, SLPI, FAM49B, TAGLN2, CFB, C3, C4B, LRG1, SERPINA1 candidate biomarkers in the saliva of OSCC patients. Furthermore, our study also demonstrated that CFB, C3, C4B, SERPINA1 and LRG1 are associated with the risk of developing OSCC. Overall, this study successfully used targeted proteomics to measure in saliva a panel of biomarker candidates for OSCC.
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Affiliation(s)
- Rebeca Kawahara
- Laboratório de Espectrometria de Massas, Laboratório Nacional de Biociências, LNBio, CNPEM, Campinas, Brazil
| | - James G Bollinger
- Department of Genome Sciences, University of Washington School of Medicine, Seattle, Washington, USA
| | - César Rivera
- Laboratório de Espectrometria de Massas, Laboratório Nacional de Biociências, LNBio, CNPEM, Campinas, Brazil
| | - Ana Carolina P Ribeiro
- Instituto do Câncer do Estado de São Paulo, Octavio Frias de Oliveira, São Paulo, Brazil
| | - Thaís Bianca Brandão
- Instituto do Câncer do Estado de São Paulo, Octavio Frias de Oliveira, São Paulo, Brazil
| | - Adriana F Paes Leme
- Laboratório de Espectrometria de Massas, Laboratório Nacional de Biociências, LNBio, CNPEM, Campinas, Brazil
| | - Michael J MacCoss
- Department of Genome Sciences, University of Washington School of Medicine, Seattle, Washington, USA
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27
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Zhao H, Feng H, Liu D, Liu J, Ji N, Chen F, Luo X, Zhou Y, Dan H, Zeng X, Li J, Sun C, Meng J, Ju X, Zhou M, Yang H, Li L, Liang X, Chu L, Jiang L, He Y, Chen Q. Self-Assembling Monomeric Nucleoside Molecular Nanoparticles Loaded with 5-FU Enhancing Therapeutic Efficacy against Oral Cancer. ACS NANO 2015; 9:9638-51. [PMID: 26349079 DOI: 10.1021/acsnano.5b04520] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Conventional oligonucleotide based drug delivery systems suffer from lengthy synthetic protocols, high cost, and poor chemical or enzymatic stability under certain circumstances. Canonical free individual nucleosides cannot form stable nanostructures in aqueous solution as drug vehicles. Here, we report the development of a monomeric self-assembled nucleoside nanoparticle (SNNP) into an efficient drug delivery system which has currently no parallel in such field. This was achieved using a l-configurational pyrimido[4,5-d]pyrimidine nucleoside building block that can form robust discrete nanoparticles in just one step with water as the sole solvent. Its high biocompatibility and low toxicity was demonstrated in vitro and in vivo. In mouse xenograft model of oral squamous cell carcinoma (OSCC), SNNP loaded with 5-fluoro-uracile (5-FU-SNNP) remarkably retarded the tumor growth compared with free 5-FU, albeit SNNP alone showed no antitumor effect. The stability in blood circulation and the effective concentration of 5-FU in tumor tissue were increased upon the loading with SNNP. TUNEL and immunohistochemistry analyses further indicated that the superior in vivo antitumor efficacy of 5-FU-SNNP compared to free 5-FU was associated with an enhanced degree of inhibition of cell proliferation and stimulation of cell apoptosis. Furthermore, SNNP alleviated the toxic side effects of 5-FU. These findings suggested that when loaded with SNNP, 5-FU has better antitumor efficacy and lower side effects, indicating that SNNP can efficiently act as a readily accessible, robust, biocompatible and low-toxic nanobiomaterial which may find wide therapeutic applications clinically in the future.
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Affiliation(s)
- Hang Zhao
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P. R. China
- Institute for Nanobiomedical Technology and Membrane Biology, Regenerative Medicine Research Center, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Hui Feng
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P. R. China
- XiangYa Stomatological Hospital, Central South University, Changsha, Hunan 410000, P. R. China
| | - Dongjuan Liu
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Jiang Liu
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P. R. China
- Institute for Nanobiomedical Technology and Membrane Biology, Regenerative Medicine Research Center, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Ning Ji
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Fangman Chen
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Xiaobo Luo
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Yu Zhou
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Hongxia Dan
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Xin Zeng
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Jing Li
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Congkui Sun
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Jinyu Meng
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Xiaojie Ju
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Min Zhou
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Hanshuo Yang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Longjiang Li
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Xinhua Liang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Liangyin Chu
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Lu Jiang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Yang He
- Institute for Nanobiomedical Technology and Membrane Biology, Regenerative Medicine Research Center, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Qianming Chen
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P. R. China
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Kawahara R, Granato DC, Carnielli CM, Cervigne NK, Oliveria CE, Martinez CAR, Yokoo S, Fonseca FP, Lopes M, Santos-Silva AR, Graner E, Coletta RD, Leme AFP. Agrin and perlecan mediate tumorigenic processes in oral squamous cell carcinoma. PLoS One 2014; 9:e115004. [PMID: 25506919 PMCID: PMC4266612 DOI: 10.1371/journal.pone.0115004] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2014] [Accepted: 11/17/2014] [Indexed: 01/03/2023] Open
Abstract
Oral squamous cell carcinoma is the most common type of cancer in the oral cavity, representing more than 90% of all oral cancers. The characterization of altered molecules in oral cancer is essential to understand molecular mechanisms underlying tumor progression as well as to contribute to cancer biomarker and therapeutic target discovery. Proteoglycans are key molecular effectors of cell surface and pericellular microenvironments, performing multiple functions in cancer. Two of the major basement membrane proteoglycans, agrin and perlecan, were investigated in this study regarding their role in oral cancer. Using real time quantitative PCR (qRT-PCR), we showed that agrin and perlecan are highly expressed in oral squamous cell carcinoma. Interestingly, cell lines originated from distinct sites showed different expression of agrin and perlecan. Enzymatically targeting chondroitin sulfate modification by chondroitinase, oral squamous carcinoma cell line had a reduced ability to adhere to extracellular matrix proteins and increased sensibility to cisplatin. Additionally, knockdown of agrin and perlecan promoted a decrease on cell migration and adhesion, and on resistance of cells to cisplatin. Our study showed, for the first time, a negative regulation on oral cancer-associated events by either targeting chondroitin sulfate content or agrin and perlecan levels.
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Affiliation(s)
- Rebeca Kawahara
- Laboratório de Espectrometria de Massas, Laboratório Nacional de Biociências, LNBio, CNPEM, Campinas, Brazil
| | - Daniela C. Granato
- Laboratório de Espectrometria de Massas, Laboratório Nacional de Biociências, LNBio, CNPEM, Campinas, Brazil
| | - Carolina M. Carnielli
- Laboratório de Espectrometria de Massas, Laboratório Nacional de Biociências, LNBio, CNPEM, Campinas, Brazil
| | - Nilva K. Cervigne
- Faculdade de Odontologia de Piracicaba, Universidade Estadual de Campinas, UNICAMP, Piracicaba, Brazil
| | - Carine E. Oliveria
- Faculdade de Odontologia de Piracicaba, Universidade Estadual de Campinas, UNICAMP, Piracicaba, Brazil
| | - César A. R. Martinez
- Laboratório de Espectrometria de Massas, Laboratório Nacional de Biociências, LNBio, CNPEM, Campinas, Brazil
| | - Sami Yokoo
- Laboratório de Espectrometria de Massas, Laboratório Nacional de Biociências, LNBio, CNPEM, Campinas, Brazil
| | - Felipe P. Fonseca
- Faculdade de Odontologia de Piracicaba, Universidade Estadual de Campinas, UNICAMP, Piracicaba, Brazil
| | - Marcio Lopes
- Faculdade de Odontologia de Piracicaba, Universidade Estadual de Campinas, UNICAMP, Piracicaba, Brazil
| | - Alan R. Santos-Silva
- Faculdade de Odontologia de Piracicaba, Universidade Estadual de Campinas, UNICAMP, Piracicaba, Brazil
| | - Edgard Graner
- Faculdade de Odontologia de Piracicaba, Universidade Estadual de Campinas, UNICAMP, Piracicaba, Brazil
| | - Ricardo D. Coletta
- Faculdade de Odontologia de Piracicaba, Universidade Estadual de Campinas, UNICAMP, Piracicaba, Brazil
| | - Adriana Franco Paes Leme
- Laboratório de Espectrometria de Massas, Laboratório Nacional de Biociências, LNBio, CNPEM, Campinas, Brazil
- * E-mail:
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29
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Orosz E, Gombos K, Révész P, Kiss I, Pytel J, Gerlinger I, Szanyi I. [MicroRNA expression profiles in squamous cell carcinomas of the meso- and hypopharynx]. Orv Hetil 2014; 155:1063-70. [PMID: 24974841 DOI: 10.1556/oh.2014.29945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
INTRODUCTION MicroRNAs play a role in carcinogenesis through their genome regulatory function. AIM The aim of the authors was to identify and compare microRNA expression signatures of meso- and hypopharynx squamous cell cancers on the basis of the cancer field hypothesis. METHOD Using standard mapping biopsy (tumour tissue and macroscopically normal tissues obtained 1, 2 and 3 cm from margin) 13 snap frozen sample series were analysed for microRNA expression with quantitative real-time polymerase chain reaction. RESULTS MiR-221 was significantly overexpressed in mesopharynx cancers, whole miR-21, miR-143 and miR-155 showed significant overexpression in hypopharynx cancers. CONCLUSIONS Using microRNA expression profiles the authors were able to distinguish peritumoural tissues according to distance from the primary tumour site. Future application of the method may prove to be useful in early detection of the altered epigenetic regulation in tissue fields representing normal phenotype. This may be helpful in cancer risk assessment and prevention.
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Affiliation(s)
- Eva Orosz
- Pécsi Tudományegyetem, Általános Orvostudományi Kar Fül-Orr-Gégészeti és Fej-Nyaksebészeti Klinika, Klinikai Központ Pécs Munkácsy M. u. 2. 7621
| | - Katalin Gombos
- Pécsi Tudományegyetem, Általános Orvostudományi Kar Orvosi Népegészségtani Intézet Pécs
| | - Péter Révész
- Pécsi Tudományegyetem, Általános Orvostudományi Kar Fül-Orr-Gégészeti és Fej-Nyaksebészeti Klinika, Klinikai Központ Pécs Munkácsy M. u. 2. 7621
| | - István Kiss
- Pécsi Tudományegyetem, Általános Orvostudományi Kar Orvosi Népegészségtani Intézet Pécs
| | - József Pytel
- Pécsi Tudományegyetem, Általános Orvostudományi Kar Fül-Orr-Gégészeti és Fej-Nyaksebészeti Klinika, Klinikai Központ Pécs Munkácsy M. u. 2. 7621
| | - Imre Gerlinger
- Pécsi Tudományegyetem, Általános Orvostudományi Kar Fül-Orr-Gégészeti és Fej-Nyaksebészeti Klinika, Klinikai Központ Pécs Munkácsy M. u. 2. 7621
| | - István Szanyi
- Pécsi Tudományegyetem, Általános Orvostudományi Kar Fül-Orr-Gégészeti és Fej-Nyaksebészeti Klinika, Klinikai Központ Pécs Munkácsy M. u. 2. 7621
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Sasahira T, Ueda N, Yamamoto K, Kurihara M, Matsushima S, Bhawal UK, Kirita T, Kuniyasu H. Prox1 and FOXC2 act as regulators of lymphangiogenesis and angiogenesis in oral squamous cell carcinoma. PLoS One 2014; 9:e92534. [PMID: 24647631 PMCID: PMC3960274 DOI: 10.1371/journal.pone.0092534] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2013] [Accepted: 02/24/2014] [Indexed: 12/22/2022] Open
Abstract
Prospero homeobox 1 (Prox1) and forkhead box (FOX) C2 regulate angiogenesis and/or lymphangiogenesis. However, the detailed role and function of Prox1 and FOXC2 in cancer remains controversial. In the present study, we examined the expression of Prox1 and FOXC2 proteins in specimens from 163 cases with oral squamous cell carcinoma (OSCC). Furthermore, the role of Prox1 and FOXC2 in cancer cell growth and invasion was evaluated in cultured OSCC cells. Prox1 expression was significantly associated with local progression of the tumor (P = 0.0023), clinical stage (P<0.0001), lymphovessel density (LVD) (P<0.0001), nodal metastasis (P<0.0001), and worse prognosis (P<0.0001). Immunoreactivity of FOXC2 was strongly correlated with microvessel density (MVD) (P<0.0001) and poor prognosis (P = 0.0076). In vitro analysis demonstrated that Prox1 regulates cell growth, proliferation, invasion, and lymphangiogenesis by activating vascular endothelial growth factor (VEGF)-C expression. Furthermore, FOXC2 enhanced the expression level of Prox1 and promoted angiogenesis by enhancement of VEGF-A expression. Our results suggested that Prox1 and FOXC2 play key roles in OSCC progression and that further studies focusing on these proteins may yield useful insights for diagnosis and therapy of OSCC.
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Affiliation(s)
- Tomonori Sasahira
- Department of Molecular Pathology, Nara Medical University, Kashihara, Japan
| | - Nobuhiro Ueda
- Department of Oral and Maxillofacial Surgery, Nara Medical University, Kashihara, Japan
| | - Kazuhiko Yamamoto
- Department of Oral and Maxillofacial Surgery, Nara Medical University, Kashihara, Japan
| | - Miyako Kurihara
- Department of Molecular Pathology, Nara Medical University, Kashihara, Japan
- Department of Oral and Maxillofacial Surgery, Nara Medical University, Kashihara, Japan
| | - Sayako Matsushima
- Department of Molecular Pathology, Nara Medical University, Kashihara, Japan
| | - Ujjal K. Bhawal
- Department of Molecular Pathology, Nara Medical University, Kashihara, Japan
- Department of Biochemistry and Molecular Biology, Nihon University School of Dentistry at Matsudo, Matsudo, Japan
| | - Tadaaki Kirita
- Department of Oral and Maxillofacial Surgery, Nara Medical University, Kashihara, Japan
| | - Hiroki Kuniyasu
- Department of Molecular Pathology, Nara Medical University, Kashihara, Japan
- * E-mail:
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31
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Manne RK. Oral potentially malignant disorders/individuals. Oral Oncol 2013; 50:e7-8. [PMID: 24268628 DOI: 10.1016/j.oraloncology.2013.10.021] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2013] [Accepted: 10/31/2013] [Indexed: 02/05/2023]
Affiliation(s)
- Rakesh Kumar Manne
- Department of Oral Medicine and Radiology, Narayana Dental College and Hospital, Chintareddypalem, Nellore 524003, Andhra Pradesh, India.
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32
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Koslabova E, Hamsikova E, Salakova M, Klozar J, Foltynova E, Salkova E, Rotnaglova E, Ludvikova V, Tachezy R. Markers of HPV infection and survival in patients with head and neck tumors. Int J Cancer 2013; 133:1832-9. [DOI: 10.1002/ijc.28194] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2013] [Accepted: 03/21/2013] [Indexed: 11/06/2022]
Affiliation(s)
| | - Eva Hamsikova
- Department of Experimental Virology; Institute of Hematology and Blood Transfusion; Prague; Czech Republic
| | - Martina Salakova
- Department of Experimental Virology; Institute of Hematology and Blood Transfusion; Prague; Czech Republic
| | - Jan Klozar
- Department of Otorhinolaryngology and Head and Neck Surgery, First Faculty of Medicine; Charles University in Prague; Motol University Hospital; Prague; Czech Republic
| | | | - Eva Salkova
- Department of Pathology and Molecular Medicine, Second Faculty of Medicine; Charles University in Prague; Prague; Czech Republic
| | | | - Viera Ludvikova
- Department of Experimental Virology; Institute of Hematology and Blood Transfusion; Prague; Czech Republic
| | - Ruth Tachezy
- Department of Experimental Virology; Institute of Hematology and Blood Transfusion; Prague; Czech Republic
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33
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Worsham MJ, Stephen JK, Chen KM, Mahan M, Schweitzer V, Havard S, Divine G. Improved survival with HPV among African Americans with oropharyngeal cancer. Clin Cancer Res 2013; 19:2486-92. [PMID: 23532894 DOI: 10.1158/1078-0432.ccr-12-3003] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
PURPOSE A major limitation of studies reporting a lower prevalence rate of human papilloma virus (HPV) in African American patients with oropharyngeal squamous cell cancer (OPSCC) than Caucasian Americans, with corresponding worse outcomes, was adequate representation of HPV-positive African American patients. This study examined survival outcomes in HPV-positive and HPV-negative African Americans with OPSCC. EXPERIMENTAL DESIGN The study cohort of 121 patients with primary OPSCC had 42% African Americans. Variables of interest included age, race, gender, HPV status, stage, marital status, smoking, treatment, and date of diagnosis. RESULTS Caucasian Americans are more likely to be HPV positive (OR = 3.28; P = 0.035), as are younger age (age < 50 OR = 7.14; P = 0.023 compared with age > 65) or being married (OR = 3.44; P = 0.016). HPV positivity and being unmarried were associated with being late stage (OR = 3.10; P = 0.047 and OR = 3.23; P = 0.038, respectively). HPV-negative patients had 2.7 times the risk of death as HPV-positive patients (P = 0.004). Overall, the HPV-race groups differed (log-rank P < 0.001), with significantly worse survival for HPV-negative African Americans versus (i) HPV-positive African Americans (HR = 3.44; P = 0.0012); (ii) HPV-positive Caucasian Americans (HR = 3.11; P = < 0.049); and (iii) HPV-negative Caucasian Americans (HR = 2.21; P = 0.049). CONCLUSIONS HPV has a substantial impact on overall survival in African American patients with OPSCC. Among African American patients with OPSCC, HPV-positive patients had better survival than HPV negative. HPV-negative African Americans also did worse than both HPV-positive Caucasian Americans and HPV-negative Caucasian Americans. This study adds to the mounting evidence of HPV as a racially linked sexual behavior life style risk factor impacting survival outcomes for both African American and Caucasian American patients with OPSCC.
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Affiliation(s)
- Maria J Worsham
- Department of Otolaryngology/Head and Neck Surgery, Henry Ford Hospital, Detroit, Michigan 48202, USA.
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van der Waal I. Are we able to reduce the mortality and morbidity of oral cancer; some considerations. Med Oral Patol Oral Cir Bucal 2013; 18:e33-7. [PMID: 23229266 PMCID: PMC3548642 DOI: 10.4317/medoral.18486] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2012] [Accepted: 05/10/2012] [Indexed: 11/15/2022] Open
Abstract
Oral cancer makes up 1%-2% of all cancers that may arise in the body. The majority of oral cancers consists of squamous cell carcinomas. Oral cancer carries a considerable mortality rate, being mainly dependent on the stage of the disease at admission. Worldwide some 50% of the patients with oral cancer present with advanced disease. There are several ways of trying to diagnose oral cancer in a lower tumor stage, being 1) mass screening or screening in selected patients, 2) reduction of patients’ delay, and 3) reduction of doctors’ delay.
Oral cancer population-based screening (“mass screening”) programs do not meet the guidelines for a successful outcome. There may be some benefit when focusing on high-risk groups, such as heavy smokers and heavy drinkers.
Reported reasons for patients’ delay range from fear of a diagnosis of cancer, limited accessibility of primary health care, to unawareness of the possibility of malignant oral diseases. Apparently, information campaigns in news programs and TV have little effect on patients’ delay. Mouth self-examination may have some value in reducing patients’ delay.
Doctors’ delay includes dentists’ delay and diagnostic delay caused by other medical and dental health care professionals. Doctors’ delay may vary from almost zero days up to more than six months.
Usually, morbidity of cancer treatment is measured by quality of life (QoL) questionnaires. In the past decades this topic has drawn a lot of attention worldwide. It is a challenge to decrease the morbidity that is associated with the various treatment modalities that are used in oral cancer without substantially compromising the survival rate.
Smoking cessation contributes to reducing the risk of oral cancers, with a 50% reduction in risk within five years. Indeed, risk factor reduction seems to be the most effective tool in an attempt to decrease the morbidity and mortality of oral cancer.
Key words:Oral cancer, early diagnosis, quality of life.
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Affiliation(s)
- Isaäc van der Waal
- VU University Medical Center/Academic Centre for Dentistry Amsterdam (ACTA), Department of Oral and Maxillofacial Surgery and Oral Pathology, PO Box 7057, 1007 MB Amsterdam, The Netherlands.
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Worsham MJ, Ali H, Dragovic J, Schweitzer VP. Molecular characterization of head and neck cancer: how close to personalized targeted therapy? Mol Diagn Ther 2012; 16:209-22. [PMID: 22873739 DOI: 10.2165/11635330-000000000-00000] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Molecular targeted therapy in head and neck squamous cell carcinoma (HNSCC) continues to make strides, and holds much promise. Cetuximab remains the sole US FDA-approved molecular targeted therapy available for HNSCC, though several new biologic agents targeting the epidermal growth factor receptor (EGFR) and other pathways are currently in the regulatory approval pipeline. While targeted therapies have the potential to be personalized, their current use in HNSCC is not personalized. This is illustrated for EGFR-targeted drugs, where EGFR as a molecular target has yet to be individualized for HNSCC. Future research needs to identify factors that correlate with response (or lack of one) and the underlying genotype-phenotype relationship that dictates this response. Comprehensive exploration of genetic and epigenetic landscapes in HNSCC is opening new frontiers to further enlighten and mechanistically inform newer as well as existing molecular targets, and to set a course for eventually translating these discoveries into therapies for patients. This opinion offers a snapshot of the evolution of molecular subtyping in HNSCC and its current clinical applicability, as well as new emergent paradigms with implications for controlling this disease in the future.
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Affiliation(s)
- Maria J Worsham
- Department of OtolaryngologyHead and Neck Surgery, Henry Ford Health System, Detroit, MI 48202, USA.
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Mascolo M, Ilardi G, Romano MF, Celetti A, Siano M, Romano S, Luise C, Merolla F, Rocco A, Vecchione ML, De Rosa G, Staibano S. Overexpression of chromatin assembly factor-1 p60, poly(ADP-ribose) polymerase 1 and nestin predicts metastasizing behaviour of oral cancer. Histopathology 2012; 61:1089-105. [PMID: 22882088 PMCID: PMC3546388 DOI: 10.1111/j.1365-2559.2012.04313.x] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Aims The natural history of oral squamous cell carcinomas (OSCCs) is variable and difficult to predict. This study aimed to assess the value of the expression of poly(ADP-ribose) polymerase 1 (PARP-1), chromatin assembly factor-1 (CAF-1)/p60 and the stem cell markers CD133, CD166, CD44, CD44v6 and nestin as markers of outcome and progression-free survival in OSCC patients. Methods Clinical data were collected from 66 patients (41 male and 25 female, aged 29–92 years) who underwent surgery for OSCC of the tongue, floor, lips, and palate. During follow-up (range: 12–131 months), 14 patients experienced relapse/metastasis and/or death. The study was performed by immunohistochemistry on paraffin-embedded tumour tissues, western blot analysis of tumour protein lysates and human cell lines, and RNA silencing assays. In addition, the human papillomavirus (HPV) status of primary tumours was evaluated by immunohistochemistry and viral subtyping. Univariate and multivariate analyses were performed to determine the correlation between these parameters and the clinical and pathological variables of the study population. Results and conclusions We found that a PARP-1high/CAF-1 p60high/nestinhigh phenotype characterized the OSCCs with the worst prognosis (all HPV-negative). This may be of benefit in clinical management, since radio-enhancing anti-PARP-1 and/or anti-CAF-1/p60 agents may allow radioresistance to be bypassed in the nestin-overexpressing, metastasizing OSCC cells.
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Affiliation(s)
- Massimo Mascolo
- Department of Biomorphological and Functional Sciences, Pathology Section, School of Medicine, University 'Federico II', Naples, Italy
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da Silva SD, Hier M, Mlynarek A, Kowalski LP, Alaoui-Jamali MA. Recurrent oral cancer: current and emerging therapeutic approaches. Front Pharmacol 2012; 3:149. [PMID: 23060791 PMCID: PMC3459356 DOI: 10.3389/fphar.2012.00149] [Citation(s) in RCA: 86] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2012] [Accepted: 07/12/2012] [Indexed: 12/31/2022] Open
Abstract
Oral cavity cancer (OCC) is associated with high incidence of loco-regional recurrences, which account for the majority of treatment failures post-surgery and radiotherapy. The time-course of relapse manifestation and metastasis are unpredictable. Relapsed OCC represents a major clinical challenge in part due to their aggressive and invasive behaviors. Chemotherapy remains the only option for advanced OCC whenever salvage surgery or re-irradiation is not feasible, but its efficacy is limited as a result of the drug resistance development. Alternatives to use of different permutations of standard cytotoxic drugs or combinations with modulators of drug resistance have led to incremental therapeutic benefits. The introduction of targeted agents and biologics against selective targets that drive cancer progression has opened-up optimism to achieve superior therapeutic activity and overcome drug resistance because, unlike the non-selective cytotoxic, the target can be monitored at molecular levels to identify patients who can benefit from the drug. This review discusses the multifactorial aspects of clinical drug resistance and emerging therapeutic approaches in recurrent OCC, emphasizing recent advances in targeted therapies, immunotherapy, and potential relevance of new concepts such as epithelial-mesenchymal transition and cancer stem cell hypothesis to drug resistance.
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Affiliation(s)
- Sabrina Daniela da Silva
- Department of Otolaryngology-Head and Neck Surgery, Sir Mortimer B. Davis-Jewish General Hospital, McGill UniversityMontreal, QC, Canada
- Department of Medicine, Segal Cancer Centre and Lady Davis Institute for Medical Research, Sir Mortimer B. Davis-Jewish General Hospital, McGill UniversityMontreal, QC, Canada
- Department of Oncology, Segal Cancer Centre and Lady Davis Institute for Medical Research, Sir Mortimer B. Davis-Jewish General Hospital, McGill UniversityMontreal, QC, Canada
| | - Michael Hier
- Department of Otolaryngology-Head and Neck Surgery, Sir Mortimer B. Davis-Jewish General Hospital, McGill UniversityMontreal, QC, Canada
| | - Alex Mlynarek
- Department of Otolaryngology-Head and Neck Surgery, Sir Mortimer B. Davis-Jewish General Hospital, McGill UniversityMontreal, QC, Canada
| | - Luiz Paulo Kowalski
- Department of Head and Neck Surgery and Otorhinolaryngology, AC Camargo HospitalSão Paulo, São Paulo, Brazil
| | - Moulay A. Alaoui-Jamali
- Department of Medicine, Segal Cancer Centre and Lady Davis Institute for Medical Research, Sir Mortimer B. Davis-Jewish General Hospital, McGill UniversityMontreal, QC, Canada
- Department of Oncology, Segal Cancer Centre and Lady Davis Institute for Medical Research, Sir Mortimer B. Davis-Jewish General Hospital, McGill UniversityMontreal, QC, Canada
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Downregulation of miR-126 induces angiogenesis and lymphangiogenesis by activation of VEGF-A in oral cancer. Br J Cancer 2012; 107:700-6. [PMID: 22836510 PMCID: PMC3419968 DOI: 10.1038/bjc.2012.330] [Citation(s) in RCA: 157] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Background: MicroRNA (miRNA)-126 (miR-126) is an endothelial-specific miRNA located within intron 7 of epidermal growth factor-like domain 7 (EGFL7). However, the role of miR-126 in cancer is controversial. Methods: We examined the function of miR-126 in oral squamous cell carcinoma (OSCC) cells. Furthermore, a series of 118 cases with OSCC were evaluated for the expression levels of miR-126. Results: MicroRNA-126 (miR-126) was associated with cell growth and regulation of vascular endothelial growth factor-A activity, and demethylation treatment increased expression levels of miR-126 and EGFL7 in OSCC cells. A significant association was found between miR-126 expression and tumour progression, nodal metastasis, vessel density, or poor prognosis in OSCC cases. In the multivariate analysis, decreased miR-126 expression was strongly correlated with disease-free survival. Conclusion: The present results suggest that miR-126 might be a useful diagnostic and therapeutic target in OSCC.
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Optical molecular imaging of multiple biomarkers of epithelial neoplasia: epidermal growth factor receptor expression and metabolic activity in oral mucosa. Transl Oncol 2012; 5:160-71. [PMID: 22741035 DOI: 10.1593/tlo.11310] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2011] [Revised: 01/24/2012] [Accepted: 01/26/2012] [Indexed: 11/18/2022] Open
Abstract
Biomarkers of cancer can indicate the presence of disease and serve as therapeutic targets. Our goal is to develop an optical imaging approach using molecularly targeted contrast agents to assess several centimeters of mucosal surface for mapping expression of multiple biomarkers simultaneously with high spatial resolution. The ability to image biomarker expression level and heterogeneity in vivo would be extremely useful for clinical cancer research, patient selection of personalized medicine, and monitoring therapy. In this proof-of-concept ex vivo study, we examined correlation of neoplasia with two clinically relevant biomarkers: epidermal growth factor receptor (EGFR) and metabolic activity. Two hundred eighty-six unique locations in nine samples of freshly resected oral mucosa were imaged after topically applying optical imaging agents EGF-Alexa 647 (to target EGFR) and 2-(N-(7-nitrobenz-2-oxa-1,3-diazol-4-yl)amino)-2-deoxyglucose (to target metabolic activity). Quantitative features were calculated from resulting fluorescence images and compared with tissue histopathology maps. The EGF-Alexa 647 signal correlated well with EGFR expression as indicated by immunohistochemistry. A classification algorithm for presence of neoplasia based on the signal from both contrast agents resulted in an area under the curve of 0.83. Regions with a posterior probability from 0.80 to 1.00 contained more than 50% neoplasia 99% (84/85) of the time. This study demonstrates a proof-of-concept of how noninvasive optical imaging can be used as a tool to study expression levels of multiple biomarkers and their heterogeneity across a large mucosal surface and how biomarker characteristics correlate with presence of neoplasia. Applications of this approach include predicting regions with the highest likelihood of disease, elucidating the role of biomarker heterogeneity in cancer biology, and identifying patients who will respond to targeted therapy.
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Mascolo M, Siano M, Ilardi G, Russo D, Merolla F, De Rosa G, Staibano S. Epigenetic disregulation in oral cancer. Int J Mol Sci 2012; 13:2331-2353. [PMID: 22408457 PMCID: PMC3292026 DOI: 10.3390/ijms13022331] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2011] [Revised: 02/09/2012] [Accepted: 02/13/2012] [Indexed: 01/10/2023] Open
Abstract
Squamous cell carcinoma of the oral region (OSCC) is one of the most common and highly aggressive malignancies worldwide, despite the fact that significant results have been achieved during the last decades in its detection, prevention and treatment. Although many efforts have been made to define the molecular signatures that identify the clinical outcome of oral cancers, OSCC still lacks reliable prognostic molecular markers. Scientific evidence indicates that transition from normal epithelium to pre-malignancy, and finally to oral carcinoma, depends on the accumulation of genetic and epigenetic alterations in a multistep process. Unlike genetic alterations, epigenetic changes are heritable and potentially reversible. The most common examples of such changes are DNA methylation, histone modification, and small non-coding RNAs. Although several epigenetic changes have been currently linked to OSCC initiation and progression, they have been only partially characterized. Over the last decade, it has been demonstrated that especially aberrant DNA methylation plays a critical role in oral cancer. The major goal of the present paper is to review the recent literature about the epigenetic modifications contribution in early and later phases of OSCC malignant transformation; in particular we point out the current evidence of epigenetic marks as novel markers for early diagnosis and prognosis as well as potential therapeutic targets in oral cancer.
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Affiliation(s)
- Massimo Mascolo
- Department of Biomorphological and Functional Sciences, Pathology Section, University of Naples “Federico II”, Naples 80131, Italy; E-Mails: (M.M.); (M.S.); (G.I.); (D.R.); (F.M.); (G.D.R.)
| | - Maria Siano
- Department of Biomorphological and Functional Sciences, Pathology Section, University of Naples “Federico II”, Naples 80131, Italy; E-Mails: (M.M.); (M.S.); (G.I.); (D.R.); (F.M.); (G.D.R.)
| | - Gennaro Ilardi
- Department of Biomorphological and Functional Sciences, Pathology Section, University of Naples “Federico II”, Naples 80131, Italy; E-Mails: (M.M.); (M.S.); (G.I.); (D.R.); (F.M.); (G.D.R.)
| | - Daniela Russo
- Department of Biomorphological and Functional Sciences, Pathology Section, University of Naples “Federico II”, Naples 80131, Italy; E-Mails: (M.M.); (M.S.); (G.I.); (D.R.); (F.M.); (G.D.R.)
| | - Francesco Merolla
- Department of Biomorphological and Functional Sciences, Pathology Section, University of Naples “Federico II”, Naples 80131, Italy; E-Mails: (M.M.); (M.S.); (G.I.); (D.R.); (F.M.); (G.D.R.)
| | - Gaetano De Rosa
- Department of Biomorphological and Functional Sciences, Pathology Section, University of Naples “Federico II”, Naples 80131, Italy; E-Mails: (M.M.); (M.S.); (G.I.); (D.R.); (F.M.); (G.D.R.)
- Centro di Riferimento Oncologico di Basilicata (C.R.O.B.) Oncology Research Center of Basilicata, Rionero in Vulture, Potenza 85028, Italy
| | - Stefania Staibano
- Department of Biomorphological and Functional Sciences, Pathology Section, University of Naples “Federico II”, Naples 80131, Italy; E-Mails: (M.M.); (M.S.); (G.I.); (D.R.); (F.M.); (G.D.R.)
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Sun W, Zaboli D, Wang H, Liu Y, Arnaoutakis D, Khan T, Khan Z, Koch W, Califano JA. Detection of TIMP3 promoter hypermethylation in salivary rinse as an independent predictor of local recurrence-free survival in head and neck cancer. Clin Cancer Res 2012; 18:1082-91. [PMID: 22228635 PMCID: PMC3288549 DOI: 10.1158/1078-0432.ccr-11-2392] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
PURPOSE To validate a panel of methylation-based salivary rinse biomarkers (P16, CCNA1, DCC, TIMP3, MGMT, DAPK, and MINT31) previously shown to be independently associated with poor overall survival and local recurrence in a larger, separate cohort of patients with head and neck squamous cell carcinoma (HNSCC). EXPERIMENTAL DESIGN One hundred ninety-seven patients were included. All pretreatment saliva DNA samples were evaluated for the methylation status of the gene promoters by quantitative methylation-specific PCR. The main outcome measures were overall survival, local recurrence-free survival, and disease-free survival. RESULTS In univariate analyses, the detection of hypermethylation of CCNA1, MGMT, and MINT31 was significantly associated with poor overall survival; the detection of hypermethylation of TIMP3 was significantly associated with local recurrence-free survival; and the detection of hypermethylation of MINT31 was significantly associated with poor disease-free survival. In multivariate analyses, detection of hypermethylation at any single marker was not predictive of overall survival in patients with HNSCC; detection of hypermethylation of TIMP3 in salivary rinse had an independent, significant association with local recurrence-free survival (HR = 2.51; 95% CI: 1.10-5.68); and none of the studied markers was significantly associated with disease-free survival. CONCLUSION The detection of promoter hypermethylation of the seven genes in salivary rinse as an independent prognostic indicator of overall survival in patients with HNSCC was not validated. Detection of promoter hypermethylation of TIMP3 in pretreatment salivary rinse is independently associated with local recurrence-free survival in patients with HNSCC and may be a valuable salivary rinse biomarker for HNSCC recurrence.
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Affiliation(s)
- Wenyue Sun
- Department of Otolaryngology-Head and Neck Surgery, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Johns Hopkins Medical Institutions, Baltimore, Maryland
| | - David Zaboli
- Department of Otolaryngology-Head and Neck Surgery, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Johns Hopkins Medical Institutions, Baltimore, Maryland
| | - Hao Wang
- Division of Oncology Biostatistics, Department of Oncology, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Johns Hopkins Medical Institutions, Baltimore, Maryland
| | - Yan Liu
- Department of Surgery, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Johns Hopkins Medical Institutions, Baltimore, Maryland
| | - Demetri Arnaoutakis
- Department of Otolaryngology-Head and Neck Surgery, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Johns Hopkins Medical Institutions, Baltimore, Maryland
| | - Tanbir Khan
- Department of Otolaryngology-Head and Neck Surgery, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Johns Hopkins Medical Institutions, Baltimore, Maryland
| | - Zubair Khan
- Department of Otolaryngology-Head and Neck Surgery, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Johns Hopkins Medical Institutions, Baltimore, Maryland
| | - Wayne Koch
- Department of Otolaryngology-Head and Neck Surgery, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Johns Hopkins Medical Institutions, Baltimore, Maryland
| | - Joseph A. Califano
- Department of Otolaryngology-Head and Neck Surgery, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Johns Hopkins Medical Institutions, Baltimore, Maryland
- Milton J. Dance Head and Neck Center, Greater Baltimore Medical Center, Baltimore, Maryland
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Mass spectrometry-based salivary proteomics for the discovery of head and neck squamous cell carcinoma. Pathol Oncol Res 2012; 18:623-8. [PMID: 22350791 DOI: 10.1007/s12253-011-9486-4] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2011] [Accepted: 12/01/2011] [Indexed: 12/31/2022]
Abstract
The 5-year survival rates for cases of head and neck squamous cell carcinoma (HNSCC) are only some 60%, mainly because 20%-40% of the patients develop a local relapse in the same or an adjacent anatomic region, even when the surgical margins are histologically tumour-free. Tumours are often discovered in an advanced stage because of the lack of specific symptoms and the diagnostic difficulties. The more advanced the stage of the tumour, the more invasive the diagnostic and treatment interventions needed. An early molecular diagnosis is therefore of vital importance in order to increase the survival rate. The aim of this study was to develop an efficient rapid and sensitive mass spectrometric method for the detection of differentially expressed proteins as tumour-specific biomarkers in saliva from HNSCC patients. Whole saliva samples were collected from patients with HNSCC and from healthy subjects. The proteins were profiled by using SDS PAGE, MALDI TOF/TOF mass spectrometry and the Mascot database search engine. Several potential tumour markers were identified, including annexin A1, beta- and gamma-actin, cytokeratin 4 and 13, zinc finger proteins and P53 pathway proteins. All of these proteins play a proven role in tumour genesis, and have not been detected previously in saliva. Salivary proteomics is a non-invasive specific method for cancer diagnosis and follow-up treatment. It provides facilities for the readily reproducible and reliable detection of tumours in early stages.
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Worsham MJ. Identifying the risk factors for late-stage head and neck cancer. Expert Rev Anticancer Ther 2012; 11:1321-5. [PMID: 21929305 DOI: 10.1586/era.11.135] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Minor J, Wang X, Zhang F, Song J, Jimeno A, Wang XJ, Lu X, Gross N, Kulesz-Martin M, Wang D, Lu SL. Methylation of microRNA-9 is a specific and sensitive biomarker for oral and oropharyngeal squamous cell carcinomas. Oral Oncol 2011; 48:73-8. [PMID: 22133638 DOI: 10.1016/j.oraloncology.2011.11.006] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2011] [Revised: 11/03/2011] [Accepted: 11/07/2011] [Indexed: 01/04/2023]
Abstract
Detection of DNA methylation has produced promising results as biomarkers for head and neck squamous cell carcinoma (HNSCC). However, current panels are limited by an insufficient number of sensitive and specific tumor markers. MicroRNAs (miR) play an important role in tumorigenesis, and may represent a novel panel of molecules for the development of cancer biomarkers. We investigated methylation of three miRNA promoter sites of miR-9 (miR-9-1, miR-9-2, miR-9-3) in 107 human head and neck tissue samples and controls. We found methylations of miR-9-1 and miR-9-3 were higher in oral and oropharyngeal carcinomas than that in laryngeal carcinoma, achieving a combined sensitivity of 63% and 56%, respectively, for these two tumor types, compared to 21% for the laryngeal carcinoma. Quantitative PCR of miR-9 showed reduced expression associated with methylation of miR-9 in tumor tissues. To investigate the functional consequences of miR-9 methylation, we found that miR-9 methylation is correlated with miR-9 expression level in human HNSCC cell lines. Demethylation treatment using 5-aza-deoxycytidine restored its expression in a miR-9 methylated human HNSCC cell line UM-SCC22A. Furthermore, cell proliferation and viability was significantly inhibited, while PTEN expression was elevated after transfection of miR-9 into the UM-SCC22A cell line. In summary, our results suggest that methylations of miR-9-1 and miR-9-3 are sensitive and specific biomarkers for HNSCC, particularly for oral and oropharyngeal squamous cell carcinomas. In addition, miR-9 may function as a tumor suppressor in HNSCC through inhibition of cell proliferation and elevation of tumor suppressor PTEN.
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Affiliation(s)
- Jacob Minor
- Department of Otolaryngology, University of Colorado Denver, Aurora, CO, USA
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da Silva SD, Ferlito A, Takes RP, Brakenhoff RH, Valentin MD, Woolgar JA, Bradford CR, Rodrigo JP, Rinaldo A, Hier MP, Kowalski LP. Advances and applications of oral cancer basic research. Oral Oncol 2011; 47:783-91. [PMID: 21802978 DOI: 10.1016/j.oraloncology.2011.07.004] [Citation(s) in RCA: 104] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2011] [Revised: 07/01/2011] [Accepted: 07/05/2011] [Indexed: 12/19/2022]
Abstract
Cancer of the oral cavity accounts for almost 3% of cancer cases in the world. The incidence varies widely reflecting geographic differences in exposure to risk factors. The recent rise in younger age groups and females seen in many countries is of particular concern. Treatment and management of complications, locoregional recurrence and further primary tumors result in high morbidity and mortality especially when the disease is advanced stage at initial diagnosis. Progress in cancer research has provided abundant new knowledge about cellular processes and molecular biology underlying oral carcinogenesis and tumor progression. The present review attempts to summarize the current most widely-used research approaches and their application in the prevention, diagnosis, effective treatment, and improved outcome of oral cancer.
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Affiliation(s)
- Sabrina Daniela da Silva
- Department of Otolaryngology-Head and Neck Surgery, Jewish General Hospital, McGill University, Montreal, Canada
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Saddoughi SA, Garrett-Mayer E, Chaudhary U, O'Brien PE, Afrin LB, Day TA, Gillespie MB, Sharma AK, Wilhoit CS, Bostick R, Senkal CE, Hannun YA, Bielawski J, Simon GR, Shirai K, Ogretmen B. Results of a phase II trial of gemcitabine plus doxorubicin in patients with recurrent head and neck cancers: serum C₁₈-ceramide as a novel biomarker for monitoring response. Clin Cancer Res 2011; 17:6097-105. [PMID: 21791630 DOI: 10.1158/1078-0432.ccr-11-0930] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
PURPOSE Here we report a phase II clinical trial, which was designed to test a novel hypothesis that treatment with gemcitabine (GEM)/doxorubicin (DOX) would be efficacious via reconstitution of C(18)-ceramide signaling in head and neck squamous cell carcinoma (HNSCC) patients for whom first-line platinum-based therapy failed. EXPERIMENTAL DESIGN Patients received GEM (1,000 mg/m²) and DOX (25 mg/m²) on days 1 and 8, every 21 days, until disease progression. After completion of 2 treatment cycles, patients were assessed radiographically, and serum samples were taken for sphingolipid measurements. RESULTS We enrolled 18 patients in the trial, who were evaluable for toxicity, and 17 for response. The most common toxicity was neutropenia, observed in 9 of 18 patients, and there were no major nonhematologic toxicities. Of the 17 patients, 5 patients had progressive disease (PD), 1 had complete response (CR), 3 exhibited partial response (PR), and 8 had stable disease (SD). The median progression-free survival was 1.6 months (95% CI: 1.4-4.2) with a median survival of 5.6 months (95% CI: 3.8-18.2). Remarkably, serum sphingolipid analysis revealed significant differences in patterns of C₁₈-ceramide elevation in patients with CR/PR/SD in comparison with patients with PD, indicating the reconstitution of tumor suppressor ceramide generation by GEM/DOX treatment. CONCLUSIONS Our data suggest that the GEM/DOX combination could represent an effective treatment for some patients with recurrent or metastatic HNSCC, and that serum C₁₈-ceramide elevation might be a novel serum biomarker of chemotherapy response.
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Affiliation(s)
- Sahar A Saddoughi
- Department of Biochemistry and Molecular Biology, Medical University of South Carolina, Charleston, South Carolina, USA
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Nasser W, Flechtenmacher C, Holzinger D, Hofele C, Bosch FX. Aberrant expression of p53, p16INK4a and Ki-67 as basic biomarker for malignant progression of oral leukoplakias. J Oral Pathol Med 2011; 40:629-35. [DOI: 10.1111/j.1600-0714.2011.01026.x] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Movsas B, Vikram B, Hauer-Jensen M, Moulder JE, Basch E, Brown SL, Kachnic LA, Dicker AP, Coleman CN, Okunieff P. Decreasing the adverse effects of cancer therapy: National Cancer Institute guidance for the clinical development of radiation injury mitigators. Clin Cancer Res 2010; 17:222-8. [PMID: 21047979 DOI: 10.1158/1078-0432.ccr-10-1402] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Recently, many agents have been identified that target molecular pathways that can mitigate radiation toxicity. To date, no drugs have been approved as radiation injury mitigators, which are defined as agents administered after irradiation but before toxicity is manifest. In order to accelerate the application of potential mitigators for cancer patients, a meeting sponsored by the National Cancer Institute (NCI) and National Institute of Allergy and Infectious Diseases (NIAID) was held in January 2010. This article presents an algorithm to guide clinical trials for such agents in patients receiving radiotherapy or radiochemotherapy. It reviews the mechanisms of radiation injury, the clinical problem, the preclinical and clinical development of candidate agents, and the design and conduct of clinical trials. The central role of patient reported outcomes is outlined, as well as key lessons learned from prior clinical trials. Ultimately, the goal is to be able to apply such promising agents to improve the quality of life for patients receiving radiotherapy or chemoradiotherapy for cancer.
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Affiliation(s)
- Benjamin Movsas
- Department of Radiation Oncology, Henry Ford Hospital, Detroit, Michigan 48202, USA.
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