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Shi R, Zhang L. Circ_0004771 regulates malignant biological behaviors and has clinical significance in oral squamous cell carcinoma. J Oral Pathol Med 2024. [PMID: 38887835 DOI: 10.1111/jop.13566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 05/23/2024] [Accepted: 05/25/2024] [Indexed: 06/20/2024]
Abstract
BACKGROUND The incidence of oral squamous cell carcinoma (OSCC) is increasing, and more effective treatment protocols must rapidly be developed to prevent the death of patients and ensure favorable outcomes. CircRNAs are a unique class of noncoding ribonucleic acid (RNA) molecules unaffected by RNA exonucleases. CircRNAs have more stable expression than linear RNAs and are not readily degraded; therefore, they are the newest focus of RNA research. Here, we analyze the mechanism of hsa_circ_0004771 (circ_0004771) in OSCC to provide a clinical reference. METHODS Circ_0004771 expression was measured in peripheral blood, cancerous tissues and adjacent tissues of OSCC patients. Patients were followed up for 3 years. The diagnostic value of circ_0004771 for OSCC occurrence, prognosis, recurrence and survival was analyzed with receiver operating characteristic (ROC) curves. OSCC cells were lentivirally transduced with a circ_0004771-silencing or an empty vector to evaluate alterations in cell growth, invasion, and apoptosis. Apoptosis-related and epithelial-mesenchymal transition (EMT)-related protein expression was quantified. BALB/c nude mice were used for tumorigenesis experiments to evaluate tumor growth in vivo after silencing circ_0004771. RESULTS Circ_0004771 expression was higher in peripheral blood and cancerous tissue of OSCC patients than in control peripheral blood and paracancerous tissue, respectively, exhibiting excellent predictive value for OSCC occurrence, prognosis, recurrence and survival. Silencing circ_0004771 decreased the growth, invasiveness, and EMT capacity and increased the apoptosis of OCC cells. In mice implanted with OSCC cells transduced with the circ_0004771-silencing lentiviral vector, the tumor growth capacity was obviously decreased. CONCLUSION Silencing circ_0004771 inhibits the malignant growth of OSCC.
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Affiliation(s)
- Rongji Shi
- Department of Stomatology, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Lei Zhang
- Department of Stomatology, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
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Zhang J, Di Y, Zhang B, Li T, Li D, Zhang H. CDK1 and CCNA2 play important roles in oral squamous cell carcinoma. Medicine (Baltimore) 2024; 103:e37831. [PMID: 38640322 PMCID: PMC11029925 DOI: 10.1097/md.0000000000037831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 03/14/2024] [Accepted: 03/15/2024] [Indexed: 04/21/2024] Open
Abstract
Oral squamous cell carcinoma (OSCC) is a malignant tumor that occurs in oral cavity and is dominated by squamous cells. The relationship between CDK1, CCNA2, and OSCC is still unclear. The OSCC datasets GSE74530 and GSE85195 configuration files were downloaded from the Gene Expression Omnibus (GEO) database and were derived from platforms GPL570 and GPL6480. Differentially expressed genes (DEGs) were screened. The weighted gene co-expression network analysis, functional enrichment analysis, gene set enrichment analysis, construction and analysis of protein-protein interaction (PPI) network, Comparative Toxicogenomics Database analysis were performed. Gene expression heatmap was drawn. TargetScan was used to screen miRNAs that regulate central DEGs. A total of 1756 DEGs were identified. According to Gene Ontology (GO) analysis, they were predominantly enriched in processes related to organic acid catabolic metabolism, centromeric, and chromosomal region condensation, and oxidoreductase activity. In Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis, the DEGs were mainly concentrated in metabolic pathways, P53 signaling pathway, and PPAR signaling pathway. Weighted gene co-expression network analysis was performed with a soft-thresholding power set at 9, leading to the identification of 6 core genes (BUB1B, CCNB1, KIF20A, CCNA2, CDCA8, CDK1). The gene expression heatmap revealed that core genes (CDK1, CCNA2) were highly expressed in OSCC samples. Comparative Toxicogenomics Database analysis demonstrated associations between the 6 genes (BUB1B, CCNB1, KIF20A, CCNA2, CDCA8, CDK1) and oral tumors, precancerous lesions, inflammation, immune system disorders, and tongue tumors. The associated miRNAs for CDK1 gene were hsa-miR-203a-3p.2, while for CCNA2 gene, they were hsa-miR-6766-3p, hsa-miR-4782-3p, and hsa-miR-219a-5p. CDK1 and CCNA2 are highly expressed in OSCC. The higher the expression of CDK1 and CCNA2, the worse the prognosis.
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Affiliation(s)
- Junbo Zhang
- Department of Stomatology, Tangshan Gongren Hospital, Tangshan City, China
| | - Yongbin Di
- Department of Stomatology, The First Hospital of Hebei Medical University, Shijiazhuang City, China
| | - Bohao Zhang
- Department of Otolaryngology and Head and Neck Surgery, The First Hospital of Hebei Medical University, Shijiazhuang City, China
| | - Tianke Li
- Department of Stomatology, The Fourth Hospital of Hebei Medical University, Shijiazhuang City, China
| | - Dan Li
- Department of Otolaryngology and Head and Neck Surgery, The First Hospital of Hebei Medical University, Shijiazhuang City, China
| | - Haolei Zhang
- Department of Otolaryngology and Head and Neck Surgery, The First Hospital of Hebei Medical University, Shijiazhuang City, China
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Lagzian A, Askari M, Haeri MS, Sheikhi N, Banihashemi S, Nabi-Afjadi M, Malekzadegan Y. Increased V-ATPase activity can lead to chemo-resistance in oral squamous cell carcinoma via autophagy induction: new insights. Med Oncol 2024; 41:108. [PMID: 38592406 DOI: 10.1007/s12032-024-02313-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 01/23/2024] [Indexed: 04/10/2024]
Abstract
Oral squamous cell carcinoma (OSCC) is a cancer type with a high rate of recurrence and a poor prognosis. Tumor chemo-resistance remains an issue for OSCC patients despite the availability of multimodal therapy options, which causes an increase in tumor invasiveness. Vacuolar ATPase (V-ATPase), appears to be one of the most significant molecules implicated in MDR in tumors like OSCC. It is primarily responsible for controlling the acidity in the solid tumors' microenvironment, which interferes with the absorption of chemotherapeutic medications. However, the exact cellular and molecular mechanisms V-ATPase plays in OSCC chemo-resistance have not been understood. Uncovering these mechanisms can contribute to combating OSCC chemo-resistance and poor prognosis. Hence, in this review, we suggest that one of these underlying mechanisms is autophagy induced by V-ATPase which can potentially contribute to OSCC chemo-resistance. Finally, specialized autophagy and V-ATPase inhibitors may be beneficial as an approach to reduce drug resistance to anticancer therapies in addition to serving as coadjuvants in antitumor treatments. Also, V-ATPase could be a prognostic factor for OSCC patients. However, in the future, more investigations are required to demonstrate these suggestions and hypotheses.
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Affiliation(s)
- Ahmadreza Lagzian
- Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran
| | - Marziye Askari
- Department of Immunology, School of Medicine, Hamedan University of Medical Sciences, Hamedan, Iran
| | - Melika Sadat Haeri
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Nastaran Sheikhi
- Biotechnology Department, Biological Sciences Faculty, Alzahra University, Tehran, Iran
| | - Sara Banihashemi
- Department of Bioscience, School of Science and Technology, Nottingham Trend University, Nottingham, UK
| | - Mohsen Nabi-Afjadi
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran.
| | - Yalda Malekzadegan
- Department of Microbiology, Saveh University of Medical Sciences, Saveh, Iran.
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Abdul Aziz Shaikh S, Denny E C, Kumarchandra R, Natarajan S, Sunny J, Shenoy N, K. P N. Evaluation of salivary tumor necrosis factor α as a diagnostic biomarker in oral submucosal fibrosis and squamous cell carcinoma of the oral cavity and oropharynx: a cross sectional observational study. FRONTIERS IN ORAL HEALTH 2024; 5:1375162. [PMID: 38595736 PMCID: PMC11002162 DOI: 10.3389/froh.2024.1375162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 03/13/2024] [Indexed: 04/11/2024] Open
Abstract
Introduction Tumor necrosis factor α (TNF-α) is known to be associated with chronic inflammation, and its expression has been shown to increase in advanced cancers. Chronic inflammation is a characteristic feature of oral submucous fibrosis (OSMF), which is a potentially malignant disorder (PMD). Squamous cell carcinoma (SCC) is associated with considerable mortality and morbidity and an early detection or monitoring would greatly help in achieving an effective cure. TNF-α was thus evaluated for use as a biomarker in the present study according to the stage of OSMF and histological grade of SCC in the oral cavity and oropharynx. Methods This study included 45 patients divided into 3 groups-OSMF group, SCC group and control group-each comprising 15 participants. Saliva samples were collected from each patient, and salivary TNF-α levels were estimated using an ELISA kit. Results Statistical analysis revealed no significant differences in TNF-α levels among the OSMF, SCC and control groups; however, there was an increase in the salivary TNF-α level in patients with stage 3 disease according to the clinical stage of OSMF, for which the p value was 0.027. Discussion An increase in the TNF-α concentration with increasing clinical stage suggested a role for TNF-α in the spread of OSMF involvement in anatomical structures of the oral cavity and oropharynx. No significant difference in salivary TNF-α levels was noted among the OSMF, SCC and control groups. Conclusion The study showed a positive correlation of TNF-α with increasing stages of OSMF but was not a reliable biomarker in the categorization of the same.
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Affiliation(s)
- Sabiha Abdul Aziz Shaikh
- Department of Oral Medicine and Radiology, Manipal College of Dental Sciences, Mangalore, Manipal Academy of Higher Education, Manipal, India
| | - Ceena Denny E
- Department of Oral Medicine and Radiology, Manipal College of Dental Sciences, Mangalore, Manipal Academy of Higher Education, Manipal, India
| | - Reshma Kumarchandra
- Department of Biochemistry, Kasturba Medical College, Mangalore, Manipal Academy of Higher Education, Manipal, India
| | - Srikant Natarajan
- Department of Oral and Maxillofacial Pathology, Manipal College of Dental Sciences, Mangalore, Manipal Academy of Higher Education, Manipal, India
| | - Johan Sunny
- Department of Radiation Oncology, Kasturba Medical College, Mangalore, Manipal Academy of Higher Education, Manipal, India
| | - Nandita Shenoy
- Department of Oral Medicine and Radiology, Manipal College of Dental Sciences, Mangalore, Manipal Academy of Higher Education, Manipal, India
| | - Nandita K. P
- Department of Oral and Maxillofacial Pathology, Manipal College of Dental Sciences, Mangalore, Manipal Academy of Higher Education, Manipal, India
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Jayarajkumar S, Ramamoorthi R, Muniapillai S, Gopalakrishnan S, Jayaseelan VP. Assessment of salivary levels of ErbB2 in oral squamous cell carcinoma. J Oral Maxillofac Pathol 2023; 27:777. [PMID: 38304523 PMCID: PMC10829474 DOI: 10.4103/jomfp.jomfp_114_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 05/19/2023] [Accepted: 05/19/2023] [Indexed: 02/03/2024] Open
Abstract
Introduction Oral cancer is the sixth-most common cancer globally. The survival rate of oral cancer is 5 years, depending on the stage it is diagnosed. To diagnose in the early stage, specialised tumour markers may assist and also help in improving the survival rate of oral cancer. ErbB2 is a transmembrane cell surface receptor required in signal transduction and an essential part of signalling pathways that take part in controlling the basic cellular processes like cell cycle, migration, metabolism and survival, besides cellular proliferation and differentiation. It is over-expressed in oral squamous cell carcinoma (OSCC) and is directly proportional to the poor prognosis, as it is expressed at a very low concentration in a healthy individual. Due to this, ErbB2 could be used as a diagnostic marker in OSCC. Nowadays, the search for tumour expression in the saliva with the use of salivary biomarkers could aid in the diagnosis of the OSSC. Aim and Objectives To assess the expression of ErbB2 in the saliva of patients with oral squamous cell carcinoma by correlating the ErbB2 level in the disease group with the healthy group. To determine the diagnostic significance of ErbB2 in OSCC. Materials and Methods The study comprises 20 salivary samples from OSCC patients and 20 salivary samples from healthy individuals. The salivary level of ErbB2 was estimated using Enzyme Linked Immunosorbent Assay. To analyse the data, SPSS (IBM SPSS Statistics for Windows, Version 26.0, Armonk, NY: IBM Corp. Released 2019) is used. The significance level is fixed at 5% (α = 0.05). P value <0.05 is considered to be statistically significant. To compare the mean values of mean and concentration, an unpaired/independent sample t-test was used. Results The mean age of OSCC and control were found to be 57 ± 8.13 and 26.6 ± 1.51, respectively. The mean age was compared between OSCC and control by the Chi-square test, and the P value was <0.01, which was found to be statistically significant. The salivary levels of ErbB2 in the OSCC and control groups were measured by an unpaired sample t-test. The mean salivary ErbB2 level in the OSCC group is 3.20 ng/ml ± 0.57, and in the control group, it is 2.43 ng/ml ± 0.13. When a pairwise comparison of ErbB2 concentration was performed between OSCC and control, it showed a statistically significant difference with a P value of 0.007, which is P < 0.05. Conclusion The present study has demonstrated an increased salivary expression of ErbB2 in OSCC patients when compared to healthy individuals. This suggests that ErbB2 could aid in the diagnosis of OSCC and could be used as a diagnostic marker in the early detection of oral cancer, a finding that has to be further established with a larger sample size.
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Affiliation(s)
- Sujithaa Jayarajkumar
- Department of Oral Pathology and Microbiology, Madha Dental College and Hospital, Kundrathur, Chennai, Tamil Nadu, India
| | - Raghini Ramamoorthi
- Department of Oral Pathology and Microbiology, Madha Dental College and Hospital, Kundrathur, Chennai, Tamil Nadu, India
| | - Sivakumar Muniapillai
- Department of Oral Pathology and Microbiology, Madha Dental College and Hospital, Kundrathur, Chennai, Tamil Nadu, India
| | - Sivakumar Gopalakrishnan
- Department of Oral Pathology and Microbiology, Madha Dental College, Research Scholar, Kundrathur, Chennai, Tamil Nadu, India
| | - Vijayashree Priyadharshini Jayaseelan
- Associate Professor/ Research Scientist, Clinical Genetics Lab, Centre for Cellular and Molecular Research, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai, Tamil Nadu, India
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Poornachitra P, Maheswari U. Analysis of Clinical Symptoms in Patients with Oral Submucous Fibrosis. ANNALS OF DENTAL SPECIALTY 2023. [DOI: 10.51847/irueguex6m] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
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Poornachitra P, Maheswari U. Prevalence of Non-Specific Chief Complaints in Patients with Oral Submucous Fibrosis. ANNALS OF DENTAL SPECIALTY 2022. [DOI: 10.51847/c9pc4mlaln] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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