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Fenech M, Knasmueller S, Nersesyan A, Bolognesi C, Wultsch G, Schunck C, Volpi E, Bonassi S. The buccal micronucleus cytome assay: New horizons for its implementation in human studies. MUTATION RESEARCH. GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2024; 894:503724. [PMID: 38432772 DOI: 10.1016/j.mrgentox.2023.503724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 12/28/2023] [Accepted: 12/31/2023] [Indexed: 03/05/2024]
Abstract
In this report we provide a summary of the presentations and discussion of the latest knowledge regarding the buccal micronucleus (MN) cytome assay. This information was presented at the HUMN workshop held in Malaga, Spain, in connection with the 2023 European, Environmental Mutagenesis and Genomics conference. The presentations covered the most salient topics relevant to the buccal MN cytome assay including (i) the biology of the buccal mucosa, (ii) its application in human studies relating to DNA damage caused by environmental exposure to genotoxins, (iii) the association of buccal MN with cancer and a wide range of reproductive, metabolic, immunological, neurodegenerative and other age-related diseases, (iv) the impact of nutrition and lifestyle on buccal MN cytome assay biomarkers; (v) its potential for application to studies of DNA damage in children and obesity, and (vi) the growing prospects of enhancing the clinical utility by automated scoring of the buccal MN cytome assay biomarkers by image recognition software developed using artificial intelligence. The most important knowledge gap is the need of prospective studies to test whether the buccal MN cytome assay biomarkers predict health and disease.
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Affiliation(s)
- Michael Fenech
- Genome Health Foundation, North Brighton, SA 5048, Australia.
| | - Siegfried Knasmueller
- Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, Vienna, Austria.
| | - Armen Nersesyan
- Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, Vienna, Austria
| | - Claudia Bolognesi
- Environmental Carcinogenesis Unit, Ospedale Policlinico San Martino, Genoa, Italy
| | - Georg Wultsch
- Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, Vienna, Austria
| | | | - Emanuela Volpi
- School of Life Sciences, University of Westminster, London, UK
| | - Stefano Bonassi
- Clinical and Molecular Epidemiology, IRCCS San Raffaele Roma, 00166 Rome, Italy.
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de Souza DV, dos Anjos Rosario B, Takeshita WM, de Barros Viana M, Nagaoka MR, dos Santos JN, Ribeiro DA. Is micronucleus assay in oral exfoliated cells a suitable biomarker for predicting cancer risk in individuals with oral potentially malignant disorders? A systematic review with meta-analysis. Pathol Res Pract 2022; 232:153828. [DOI: 10.1016/j.prp.2022.153828] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 02/15/2022] [Accepted: 02/24/2022] [Indexed: 01/09/2023]
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Cruz JPP, Santos NCND, Pithon MM, de Morais Marcílio Cerqueira E. Biomonitoring of children and adolescents using orthodontic appliances made of acrylic resins through micronucleus testing of exfoliated buccal and palatal mucosa cells. Am J Orthod Dentofacial Orthop 2021; 160:193-199. [PMID: 33975748 DOI: 10.1016/j.ajodo.2020.03.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Revised: 03/01/2020] [Accepted: 03/01/2020] [Indexed: 10/21/2022]
Abstract
INTRODUCTION The present study aimed to investigate the occurrence of micronuclei and the degenerative nuclear alterations indicative of apoptosis and necrosis in the exfoliated buccal and palatal mucosa cells of children and adolescents using orthodontic appliances made of self-curing acrylic resins. METHODS The micronuclei and nuclear alterations were evaluated in a minimum of 2000 cells collected from the cheeks and palates of 30 patients of both sexes, aged between 6 and 12 years. The cell evaluations were performed before appliance installation and 15 to 21 days after installation. A conditional test was used. In all analyses, the significance level was 5%. RESULTS No differences in the occurrence of micronuclei or the nuclear degenerative changes indicative of apoptosis and necrosis were observed in the cheek cells between the 2 time points (P > 0.05). However, evaluation of the palate cells revealed a significant increase in the occurrence of micronuclei and the nuclear alterations indicative of apoptosis (P < 0.01) but not of karyolysis (P > 0.05). CONCLUSIONS Direct contact of orthodontic appliances made of acrylic resins with the oral mucosa increases the incidence of chromosomal damage and degenerative nuclear alterations.
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Affiliation(s)
| | | | - Matheus Melo Pithon
- Department of Health, State University of Southwestern Bahia, Jequié, Bahia, Brazil; Department of Pediatric Dentistry and Orthodontics, School of Dentistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
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Research Achievements of Oral Submucous Fibrosis: Progress and Prospect. BIOMED RESEARCH INTERNATIONAL 2021; 2021:6631856. [PMID: 33791368 PMCID: PMC7997751 DOI: 10.1155/2021/6631856] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 02/27/2021] [Accepted: 03/04/2021] [Indexed: 11/17/2022]
Abstract
Oral submucous fibrosis (OSMF) is a kind of chronic, insidious disease, and it is categorized into potentially malignant disorders (PMD), which poses a global and regional problem to public health. It is considered to be a multifactorial disease, such as due to areca nut chewing, trace element disorders, and genetic susceptibility. However, there is still no unanimous conclusion on its pathogenesis, diagnosis, and treatment strategies. Hence, this article provides a comprehensive review and prospect of OSMF research, providing scholars and clinicians with a better perspective and new ideas for the research and treatment of OSMF.
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Onlay Repair Technique for the Management of Ureteral Strictures: A Comprehensive Review. BIOMED RESEARCH INTERNATIONAL 2020; 2020:6178286. [PMID: 32775430 PMCID: PMC7407031 DOI: 10.1155/2020/6178286] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 06/29/2020] [Accepted: 07/06/2020] [Indexed: 01/12/2023]
Abstract
Ureteroplasty using onlay grafts or flaps emerged as an innovative procedure for the management of proximal and midureteral strictures. Autologous grafts or flaps used commonly in ureteroplasty include the oral mucosae, bladder mucosae, ileal mucosae, and appendiceal mucosae. Oral mucosa grafts, especially buccal mucosa grafts (BMGs), have gained wide acceptance as a graft choice for ureteroplasty. The reported length of BMG ureteroplasty ranged from 1.5 to 11 cm with success rates of 71.4%-100%. However, several studies have demonstrated that ureteroplasty using lingual mucosa grafts yields better recipient site outcomes and fewer donor site complications than that using BMGs. In addition, there is no essential difference in the efficacy and complication rates of BMG ureteroplasty using an anterior approach or a posterior approach. Intestinal graft or flap ureteroplasty was also reported. And the reported length of ileal or appendiceal flap ureteroplasty ranged from 1 to 8 cm with success rates of 75%-100%. Moreover, the bladder mucosa, renal pelvis wall, and penile/preputial skin have also been reported to be used for ureteroplasty and have achieved satisfactory outcomes, but each graft or flap has unique advantages and potential problems. Tissue engineering-based ureteroplasty through the implantation of patched scaffolds, such as the small intestine submucosa, with or without cell seeding, has induced successful ureteral regeneration structurally close to that of the native ureter and has resulted in good functional outcomes in animal models.
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Ray JG, Chatterjee R, Chaudhuri K. Oral submucous fibrosis: A global challenge. Rising incidence, risk factors, management, and research priorities. Periodontol 2000 2019; 80:200-212. [PMID: 31090137 DOI: 10.1111/prd.12277] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Oral submucous fibrosis is a potentially malignant disorder of the oral cavity, with a high rate of malignant transformation. It is very common among habitual areca nut chewers. The pathogenesis of oral submucous fibrosis is not well established, but it is believed to be a disease of multifactorial origin, including areca nut chewing, ingestion of chilies, genetic factors, immunologic processes and nutritional deficiencies. Genetically susceptible individuals when exposed to areca nut chewing develop this disease over a variable period of time. Oral submucous fibrosis is considered to be a disease of collagen metabolism. Several genetic factors are reported but there is no consensus about the exact mechanism of disease initiation. Variations in histopathological presentation are noted among oral submucous fibrosis patients with habitual areca nut chewing in different forms and other additive agents, eg betel quid, pan masala and gutkha, together with a variety of tobacco habits. The role of epigenetic modifications, such as miRNA regulation, and DNA methylation is also being reported as part of the pathogenesis of oral submucous fibrosis. A combined approach, including analysis of genetic and epigenetic regulations with different habits, might be helpful to better understand the contributory factors and pathogenesis of this serious disorder.
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Affiliation(s)
- Jay Gopal Ray
- Department of Oral Pathology, Dr. R. Ahmed Dental College & Hospital, Kolkata, India
| | | | - Keya Chaudhuri
- Molecular Genetics Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
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Alidoost S, Habibi M, Noormohammadi Z, Hosseini J, Azargashb E, Pouresmaeili F. Association between tumor necrosis factor-alpha gene rs1800629 (-308G/A) and rs361525 (-238G > A) polymorphisms and prostate cancer risk in an Iranian cohort. Hum Antibodies 2019; 28:65-74. [PMID: 31594215 DOI: 10.3233/hab-190397] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND Prostate cancer (PCa) as the first men's common cancer in the world and the third cancer in Iranian men is a heterogeneous disorder which sometimes several biopsies are needed for its diagnosis. OBJECTIVES The aim of current study is finding new biomarkers in order to diagnose of PCa at the earliest possible stage. Hence, the relationship between rs1800629 and rs361525 polymorphisms of TNF-α gene with PCa was investigated. MATERIALS AND METHODS Blood DNA samples were collected from 100 patients with PCa, 110 with BPH, and 110 controls. Collected samples were examined using PCR-RFLP and Tetra-ARMS-PCR techniques to detect the desired polymorphisms. RESULTS The frequency of rs1800629 genotypes in smokers was significantly different from non-smokers with PCa (p= 0.001). Logistic regression analysis results showed that GA heterozygotes in comparison to GG homozygotes had higher risk of developing Benign Prostatic Hyperplasia (BPH) or prostate cancer. However, no significant correlation was considered between the risk of PCa and the TNF-α gene polymorphisms (rs1800629 and rs361525). CONCLUSIONS Although, the achieved results of this investigation demonstrated that the two examined genetic variants do not seem to be suitable markers for early diagnosis of prostate cancer in this pilot study; however increased risk for the disease is shown in GA heterozygotes and smokers which is indicative of some epigenetic factors influence on prostate cancer etiology.
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Affiliation(s)
- Saeideh Alidoost
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Mohsen Habibi
- Central Laboratory, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Zahra Noormohammadi
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Jalil Hosseini
- Men's Health and Reproductive Health Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Eznollah Azargashb
- Department of Social Medicine, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Farkhondeh Pouresmaeili
- Men's Health and Reproductive Health Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Department of Medical Genetics, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Li YC, Cheng AJ, Lee LY, Huang YC, Chang JTC. Multifaceted Mechanisms of Areca Nuts in Oral Carcinogenesis: the Molecular Pathology from Precancerous Condition to Malignant Transformation. J Cancer 2019; 10:4054-4062. [PMID: 31417650 PMCID: PMC6692602 DOI: 10.7150/jca.29765] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Accepted: 03/29/2019] [Indexed: 02/06/2023] Open
Abstract
Oral cancer is one of the most frequent malignant diseases worldwide, and areca nut is a primary carcinogen causing this cancer in Southeast Asia. It has been widely reported that areca nut induced several cytotoxic effects in oral cells, including ROS generation, inflammation, tissue hypoxia, DNA damage, and cell invasion. Recently, through chronic exposure model, more extensive pathological effects due to areca nut have been found. These include the induction of autophagy, promotion of epithelial- mesenchymal transition, and facilitation of cancer stemness conversion. Clinical findings support these adverse effects. Oral submucosal fibrosis, a premalignant condition, is prevalent in the area with habitual chewing of areca nuts. Consistently, oral cancer patients with habitual chewing areca nut exhibit more aggressive phenotypes, including resistance to chemo-radiotherapy. In this review, we comprehensively discuss and concisely summarize the up-to-date molecular and cellular mechanisms by which areca nuts contribute to malignant transformation. This review may provide critical information regarding clinical applications in risk assessment, disease prevention, diagnosis, and personalized therapeutics for areca nut-induced oral malignancy.
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Affiliation(s)
- Yi-Chen Li
- Division of Cardiology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan
| | - Ann-Joy Cheng
- Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Taoyuan 333, Taiwan.,Department of Radiation Oncology, Chang Gung Memorial Hospital-Linkou, Taoyuan 333, Taiwan
| | - Li-Yu Lee
- Department of Pathology, Chang Gung Memorial Hospital-Linkou, Taoyuan 333, Taiwan
| | - Yu-Chen Huang
- Department of Oral Maxillofacial Surgery, Chang Gung Memorial Hospital-Linkou, Taoyuan 333, Taiwan
| | - Joseph Tung-Chieh Chang
- Department of Radiation Oncology, Chang Gung Memorial Hospital-Linkou, Taoyuan 333, Taiwan.,Department of Radiation Oncology, Xiamen Chang Gung Memorial Hospital, Xiamen, Fujian, China
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Cobanoglu H, Coskun M, Coskun M, Çayir A. Results of buccal micronucleus cytome assay in pesticide-exposed and non-exposed group. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:19676-19683. [PMID: 31079294 DOI: 10.1007/s11356-019-05249-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Accepted: 04/22/2019] [Indexed: 06/09/2023]
Abstract
Since many different pesticides have been used occupationally, there have been inconsistent results regarding DNA damages among greenhouse workers. Thus, the aim of the study is to evaluate DNA damages, cell death, and chromosomal instability by using the buccal micronucleus cytome (BMcyt) assay in greenhouse workers and to compare those with a non-exposed group. The BMcyt assay was applied to the exfoliated buccal cell samples collected from 66 pesticide-exposed and 50 non-exposed individuals. We evaluated the frequency of micronucleus (MN), nuclear bud (NBUD), binucleated (BN) cells, and karyolitic (KL), pyknotic (PY), and karyorrhectic (KH) cells. The results showed that the MN, BN, PY, and KH frequencies of the pesticide-exposed group were significantly higher than those of the controls (P ˂ 0.05, P ˂ 0.05, P ˂ 0.01, and P ˂ 0.05, respectively). We observed that the MN, BN, PY, and KH frequencies in the autumn were statistically different compared with those in the control group (P = 0.037 for MN, P = 0.001 for BN, P = 0.016 for PY, and P = 0.033 for KH). The same comparison was done in the spring for the control, and there was a statistically significant difference for MN (P = 0.046) and PY (P = 0.014). We can conclude that pesticide exposure in greenhouse workers was one of the factors that altered DNA damages, cell death, and chromosomal instability in oral mucosa cells.
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Affiliation(s)
- Hayal Cobanoglu
- Health Services Vocational College, Çanakkale Onsekiz Mart University, 17100, Çanakkale, Turkey
| | - Munevver Coskun
- Health Services Vocational College, Çanakkale Onsekiz Mart University, 17100, Çanakkale, Turkey
| | - Mahmut Coskun
- Faculty of Medicine, Department of Medical Biology, Çanakkale Onsekiz Mart University, Terzioglu Campus, 17100, Çanakkale, Turkey
| | - Akin Çayir
- Health Services Vocational College, Çanakkale Onsekiz Mart University, 17100, Çanakkale, Turkey.
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de Geus JL, Wambier LM, Loguercio AD, Reis A. The smokeless tobacco habit and DNA damage: A systematic review and meta-analysis. Med Oral Patol Oral Cir Bucal 2019; 24:e145-e155. [PMID: 30818306 PMCID: PMC6441603 DOI: 10.4317/medoral.22846] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 01/01/2019] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND The aim of this systematic review was to evaluate the frequency of micronuclei or other DNA damage in the oral mucosa of adults that have smokeless tobacco habits compared to adults that not have these habits. MATERIAL AND METHODS We searched PubMed, Scopus, Web of Science, LILACS, BBO and Cochrane Library and SIGLE. We also surveyed gray literature. We included only clinical trials that compare the frequency of micronuclei or other DNA damage in the oral mucosa of adults that have smokeless tobacco habits compared to adults that not have these habits. Quality assessments of the selected trials were evaluated by two independent reviewers, using the Effective Public Health Practice Project - (EPHPP) with modifications. RESULTS After the database screening and removal of duplicates, 2574 studies were identified. After title screening, 172 studies remained, and this number was reduced to 25 after careful examination of the abstracts. The standardized mean difference of the frequency of micronuclei between groups was 1.88, with a 95% confidence interval of 1.40 to 2.36 (p < 0.00001). In all analyses heterogeneity was detected. CONCLUSIONS Despite the heterogeneity of studies, the frequency of micronuclei was significant bigger in adults who have the smokeless tobacco habit when compared to those not have this habit. The same occurred with the frequency of binucleated cells, karyolisis and karyorrhexis.
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Affiliation(s)
- J-L de Geus
- Rua Joaquim Sá - Dionísio Torres, Fortaleza, CE, 60135-218, Brasil,
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Naderi NJ, Pasha MP. Comparison of Cytotoxic Effect of Cigarette and Waterpipe Smoking on Human Buccal Mucosa. Int J Prev Med 2018; 8:98. [PMID: 29291040 PMCID: PMC5738785 DOI: 10.4103/ijpvm.ijpvm_62_17] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Accepted: 07/02/2017] [Indexed: 11/04/2022] Open
Abstract
Background The evidences on cytotoxic effect of cigarette and waterpipe smoking are very rare and controversial. The aim was to compare the cytotoxic effect of cigarette and waterpipe smoking on human buccal mucosa cells. Methods The study was case-control. Feulgen-stained samples of exfoliated buccal mucosa cells were evaluated. The cytology slides of 25 cigarette smoker, 25 waterpipe smoker, and 25 individuals in the never smoked were examined. The number of pyknosis, karyorrhexis, and karyolysis in 1000 cells/subject were counted. Exposing to cigarette and waterpipe smoke was considered by the number of pack × years. Results There were significant differences among the groups in terms of karyolysis and pyknosis while there was no significant difference among the cigarette smokers group and waterpipe smokers group in terms of karyorrhexis (P ≤ 0. 01). The cytotoxicity effect of cigarette smoking was not significantly correlated to time exposure (r = 0.099, P = 0.637). The cytotoxicity effect of waterpipe smoking was significantly correlated to time exposure (r = -370, P = 0.044). Conclusions The cytotoxic effect of cigarette and waterpipe smoking on buccal mucosa cells was significantly higher than nonsmokers. The effect of cigarette smoking on cellular death was higher than waterpipe. The cytotoxic effect of waterpipe smoking was dose dependent.
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Affiliation(s)
- Noushin Jalayer Naderi
- Department of Oral and Maxillofacial Pathology, Faculty of Dentistry, Shahed University, Tehran, Iran
| | - Mona Pour Pasha
- Department of Oral Medicine, Faculty of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
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Venkatesh D, Puranik RS, Vanaki SS, Puranik SR. Study of salivary arecoline in areca nut chewers. J Oral Maxillofac Pathol 2018; 22:446. [PMID: 30651702 PMCID: PMC6306580 DOI: 10.4103/jomfp.jomfp_143_18] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
Aims: Arecoline, a predominant alkaloid present in arecanut, has been implicated in the pathogenesis of several oral diseases because of its mutagenic and carcinogenic potential. The response of cultured cells to arecoline is highly dependent on its concentration; arecoline stimulates cultured cells above 0.1 μg/ml and is cytotoxic above 10 μg/ ml. Although this alkaloid seems important for areca nut induced oral diseases and carcinogenesis, little is known of the levels achieved before, during and after chewing. Also, it is prudent to understand its effects in arecanut chewers for a comprehensive understanding of its pathogenesis. Accordingly, the present study quantified the salivary arecoline levels in arecanut chewers. Materials and Methods: The study participants were divided into Study Group A & B and Control Group C; unstimulated whole saliva was collected by spitting method for a period of 5 min. Then, participants in Group A and C chewed 0.5 g of areca nut without any other additives while in Group B were asked to chew 0.5 g of inert rubber base impression material. Stimulated whole saliva from all three groups was collected into graduated tubes during chewing at time intervals of 1, 3, 5, 10, 15, 20 and 25 min. Then, all participants were asked to remove nut particles or inert rubber base material from the mouth, and saliva samples were collected further up to 20 min, changing tubes at 5 min interval. Salivary arecoline was quantitated by HPLC-MS. The tabulation and descriptive statistics of the study were carried out. Results: In the present study, baseline levels of arecoline were zero in all three groups, whereas mean salivary arecoline levels during chewing were 76.93 ng/ml, 129.83 ng/ml and 64.83 ng/ml and after chewing were 196.17 ng/ml, 321.12 ng/ml and 43.75 ng/ml in Groups A, B and Control respectively, which were significantly higher than reported threshold levels. Conclusions: The data from this study reveals that a significant amount of arecoline would be trapped in oral cavity, or being re-circulated between blood and saliva might have resulted in surprisingly high levels of arecoline even 10 mins after chewing in both groups after which the levels started declining. The higher levels of salivary arecoline achieved during and after chewing are enough to cause cytotoxic and genotoxic effects on oral tissues over a period of time in chronic chewers. The great differences in salivary arecoline levels achieved during chewing, may contribute to the variable response to areca nut seen in communities where this habit is widespread. Areca nut users have persistent background salivary arecoline levels long after chewing, whereas concentrations achieved are highly variable and consistent with a role in oral pre-malignancy and malignancy..
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Affiliation(s)
- Deepak Venkatesh
- Department of Dentistry, ESIC Medical College and Hospital, Bengaluru, Karnataka, India
| | - R S Puranik
- Department of Oral and Maxillofacial Pathology, PMNM Dental College and Hospital, Bagalkot, Karnataka, India
| | - S S Vanaki
- Department of Oral and Maxillofacial Pathology, PMNM Dental College and Hospital, Bagalkot, Karnataka, India
| | - Surekha R Puranik
- Department of Oral Medicine and Radiology, PMNM Dental College and Hospital, Bagalkot, Karnataka, India
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Bandil K, Singhal P, Dogra A, Rawal SK, Doval DC, Varshney AK, Bharadwaj M. Association of SNPs/haplotypes in promoter of TNF A and IL-10 gene together with life style factors in prostate cancer progression in Indian population. Inflamm Res 2017; 66:1085-1097. [PMID: 28993831 DOI: 10.1007/s00011-017-1088-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Revised: 08/03/2017] [Accepted: 08/22/2017] [Indexed: 12/29/2022] Open
Abstract
OBJECTIVE Levels of proinflammatory (TNF A) and anti-inflammatory (IL-10) cytokines play a key role in the progression of inflammation as well as cancer disease. We were investigating the potential association of single-nucleotide polymorphisms (SNPs)/haplotypes in proinflammatory (TNF A) and anti-inflammatory (IL-10) cytokines locus with the development of PCa in Indian population. MATERIALS AND METHODS We had genotyped 235 BPH/PCa samples (130 BPH and 105 cancer) along with 115 control samples for proinflammatory (TNF A -238G/A and -308G/A) and anti-inflammatory (IL-10 -1082A/G, -819C/T and -592C/A) cytokines SNPs in the gene promoter region using ARMS-PCR method. RESULTS Allelic frequencies of TNF A and IL-10 SNPs were found to be significantly associated with the risk of prostate cancer and BPH when compared to controls (p = 0.05). Further haplotypic analysis showed that two haplotypes of TNF A (AG and AA) and IL-10 gene (CCG and CTG) were serving as risk haplotypes for prostate cancer development. IL-10 risk haplotypes were found to be positively associated with aggressiveness of prostate cancer. We also noticed successively increasing percentage of TNF A and IL-10 risk haplotypes with life style habits like smoking (10 and 26%) and alcohol consuming (9 and 27%). CONCLUSIONS According to our data, TNF A -238G>A and IL-10 -1082A>G, -819C>T and -592C>A may be associated with the development of prostate cancer and BPH. We could also notice higher frequency of TNF A and IL-10 risk haplotypes in smoker and alcohol user. Interestingly, IL-10 risk haplotype was positively associated with aggressiveness of tumor. This information can be used for the early diagnosis of disease and to improve tissue-specific treatment's efficacy which will be moving ultimately towards the discovery of personalized therapy.
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Affiliation(s)
- Kapil Bandil
- Division of Molecular Genetics and Biochemistry, National Institute of Cancer Prevention and Research (ICMR), I-7, Sector-39, Noida, 201301, India.,Dr. A.P.J. Abdul Kalam Technical University, Lucknow, UP, India
| | - Pallavi Singhal
- Division of Molecular Genetics and Biochemistry, National Institute of Cancer Prevention and Research (ICMR), I-7, Sector-39, Noida, 201301, India
| | - Atika Dogra
- Research Department, Rajiv Gandhi Cancer Institute and Research Centre, Rohini, New Delhi, India
| | - Sudhir K Rawal
- Surgical Gynae Uro-Oncology, Rajiv Gandhi Cancer Institute and Research Centre, Rohini, New Delhi, India
| | - D C Doval
- Medical Oncology, Rajiv Gandhi Cancer Institute and Research Centre, Rohini, New Delhi, India
| | - Anil K Varshney
- R. G. Stone Urology and Laparoscopy Hospital, New Delhi, India
| | - Mausumi Bharadwaj
- Division of Molecular Genetics and Biochemistry, National Institute of Cancer Prevention and Research (ICMR), I-7, Sector-39, Noida, 201301, India. .,Dr. A.P.J. Abdul Kalam Technical University, Lucknow, UP, India.
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Kohli M, Ahuja P, Mehendiratta M, Sharma M, Dutta J. Micronucleus Assay: An Early Diagnostic Tool to Assess Genotoxic Changes in Patients with Tobacco Use, Oral Leukoplakia and Oral Submucous Fibrosis. J Clin Diagn Res 2017; 11:ZC28-ZC32. [PMID: 29207828 DOI: 10.7860/jcdr/2017/27711.10567] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2017] [Accepted: 07/24/2017] [Indexed: 11/24/2022]
Abstract
Introduction Micronuclei (MNi) are acentric chromatid or chromosome fragments produced via genetic damage through genotoxic agents contained in tobacco and betel nut. Evidently, the various Oral Potentially Malignant Disorders (OPMDs) like oral lichen Planus, oral leukoplakia and Oral Submucous Fibrosis (OSMF) demonstrate MNi, as a substantiation of genetic damage. As these changes can be easily appreciated in oral exfoliated cells, an exfoliated cell based MNi assay might be utilized as handy and non invasive biomonitoring tool for gauging the genetic damage and hence the propensity for malignant transformation in OPMDs. To this end, MNi are definitely easier to evaluate when compared to chromosome aberrations. Aim To compare the MNi frequency in normal mucosa, in individuals using various tobacco forms without oral leukoplakia, individuals using various tobacco forms with oral leukoplakia, and areca nut chewers with OSMF, using three different stains. Materials and Methods Oral exfoliated cells from 50 cases of normal mucosa (Group I), 50 cases of tobacco chewing people without Oral Leukoplakia (Group II), 50 cases of people with Oral Leukoplakia (Group III) and 50 cases of areca nut chewers with OSMF (Group IV) were taken. MNi frequencies were compared in these groups using three different stains i.e., Papanicolaou (PAP) stain, May Grunwald Giemsa (MGG) stain and Feulgen stain. The data between cases (Group II, III and IV) and control groups (Group I) was analyzed by Kruskal-Wallis Test. The comparison between two independent groups was done by Mann-Whitney U test and interstain comparison between cases and control was done by Wilcoxon Signed Rank Test and the individual p-value was obtained. Results A significant increase in the count was observed during transition of normal mucosa to OPMDs. The best stain for detecting MNi was PAP stain followed by MGG stain and Feulgen stain. Conclusion The higher mean MNi count for PAP stain and MGG stain could be attributed to nonspecific staining. Further study using a larger sample size on quantitative assessment of MNi count in various OPMDs is warranted.
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Affiliation(s)
- Moulshree Kohli
- Senior Lecturer, Department of Oral Pathology, I.T.S. Dental College, Hospital and Research Centre, Greater Noida, Uttar Pradesh, India
| | - Puneet Ahuja
- Principal, Professor and Head, Department of Oral Pathology, I.T.S. Dental College, Hospital and Research Centre, Greater Noida, Uttar Pradesh, India
| | - Monica Mehendiratta
- Reader, Department of Oral Pathology, I.T.S. Dental College, Hospital and Research Centre, Greater Noida, Uttar Pradesh, India
| | - Mohit Sharma
- Reader, Department of Oral Pathology, I.T.S. Dental College, Hospital and Research Centre, Greater Noida, Uttar Pradesh, India
| | - Jahnobi Dutta
- Medical Research Scientist, Jorhat Medical College and Hospital, Barbheta, Jorhat, Assam, India
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Arakeri G, Rai KK, Hunasgi S, Merkx M, Gao S, Brennan PA. Oral submucous fibrosis: An update on current theories of pathogenesis. J Oral Pathol Med 2017; 46:406-412. [DOI: 10.1111/jop.12581] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/08/2017] [Indexed: 12/22/2022]
Affiliation(s)
- Gururaj Arakeri
- Department of Oral and Maxillofacial Surgery; Navodaya Dental College and Hospital; Raichur Karnataka India
| | - Kirthi Kumar Rai
- Department of Oral and Maxillofacial Surgery; Bapuji Dental College and Hospital; Davangere Karnataka India
| | - Santosh Hunasgi
- Department of Oral and Maxillofacial Pathology; Navodaya Dental College and Hospital; Raichur Karnataka India
| | - M.A.W. Merkx
- Department of Oral and Maxillofacial Surgery; Radboud University Medical Centre; Nijmegen The Netherlands
| | - Shan Gao
- Suzhou Ribo Life Science Co. Ltd.; Jiangsu China
- Xiangya Hospital and School of Stomatology; Central South University; Changsha China
| | - Peter A. Brennan
- Department of Oral & Maxillofacial Surgery; Queen Alexandra Hospital; Cosham Portsmouth UK
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Kumar M, Prasad UC, Chandolia B, Manjunath SM, Basu S, Verma S. Can Feulgen Stain be a Reliable Biomarker over PAP Stain for Estimation of Micronuclei Score? J Clin Diagn Res 2016; 10:ZC07-ZC11. [PMID: 27891448 DOI: 10.7860/jcdr/2016/18859.8630] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Accepted: 07/20/2016] [Indexed: 11/24/2022]
Abstract
INTRODUCTION Malignant transformation of the Potentially Malignant Lesions (PML) in the oral cavity is associated with elevated mortality rate because of its aggressive and exceedingly invasive nature. Meticulous diagnosis and prompt therapy of PML may help prevent malignant conversion in oral lesions. Carcinogenic insult to oral cells results in chromosomal damage and formation of Micronuclei (Mn), before the development of clinical symptoms. AIM To determine the genotoxic effect of smoking and chewing tobacco on target tissue using Mn assay and to evaluate the prevalence of other nuclear anomalies associated with it and to determine the reliability of feulgen stain for Mn assay over Papaincolau (PAP) stain. MATERIALS AND METHODS PAP and feulgen staining was done to study Mn in individuals who were having tobacco habits (smoking and chewing) without lesion (n=30), individuals who were having tobacco habit (smoking and chewing) with PML (n=30) and apparently healthy subjects (n=30). Data was analysed for statistical significance using SPSS 17.0 by Kruskal - Wallis Test and Bonferronii test. RESULTS Tobacco habits in the form of smoking and chewing have mutagenic effects on human chromosomes which is indicated by increased frequency of Mn in oral exfoliative cells. The mean Mn frequency using feulgen stain was found to be 12.27 with lesion, 10.23 with without lesion and 3.87 in controls. Whereas, metanucleated analysis revealed no significant correlation with the formation of Mn. Non-specific DNA stain (PAP) showed high numbers of Mn cells in all the groups compared to feulgen. Statistically significant difference (p<0.0001) was observed when both the stains were compared for Mn numbers. CONCLUSION These findings indicate that the individuals having tobacco habits (smoking and chewing) with lesion have high number of Mn cells, thus supporting the assay to be used as a reliable biomarker to assess the genotoxic effect of tobacco in the oral mucosa. The reason for almost twice as high Mn in PAP stained smears is suggestive of cell injury which is collimated by formation of keratin bodies, resulting in its misinterpretation as Mn, leading to false positive results. Hence, it was concluded that PAP stain can be used to identify abnormal cytological changes resulting from mutagenic agent but not to interpret Mn.
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Affiliation(s)
- Manish Kumar
- Senior Lecturer, Department of Oral Pathology, Tatyasaheb Kore Dental College and Research Centre , Kolhapur, Maharashtra, India
| | - Umesh Chandra Prasad
- Professor and Head of Department, Department of Oral Pathology, Kanti Devi Dental College , Mathura, Uttar Pradesh, India
| | - Betina Chandolia
- Senior Lecturer, Department of Oral Pathology, NIMS , Jaipur, Rajasthan, India
| | - S M Manjunath
- Professor, Department of Oral Pathology, Surendra Dental College , Sriganganagar, Rajasthan, India
| | - Shiva Basu
- Professor, Department of Oral Pathology, Gurunanak Dental College and Research Institute , Sunam, Punjab, India
| | - Silvie Verma
- Demonstrator, Department of Oral Pathology, Tatyasaheb Kore Dental College and Research Centre , Kolhapur, Maharashtra, India
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Bandil K, Singhal P, Sharma U, Hussain S, Basu S, Parashari A, Singh V, Sehgal A, Shivam A, Ahuja P, Bharadwaj M, Banerjee BD, Mehrotra R. Impacts of TNF-LTA SNPs/Haplotypes and Lifestyle Factors on Oral Carcinoma in an Indian Population. Mol Diagn Ther 2016; 20:469-80. [DOI: 10.1007/s40291-016-0215-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Jessie K, Jayapalan JJ, Rahim ZHA, Hashim OH. Aberrant proteins featured in the saliva of habitual betel quid chewers: An indication of early oral premalignancy? Electrophoresis 2014; 35:3504-11. [DOI: 10.1002/elps.201400252] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2014] [Revised: 08/25/2014] [Accepted: 08/29/2014] [Indexed: 11/11/2022]
Affiliation(s)
- Kala Jessie
- Department of Oral Biology and Biomedical Sciences; Faculty of Dentistry; University of Malaya; Kuala Lumpur Malaysia
| | - Jaime Jacqueline Jayapalan
- University of Malaya Centre for Proteomics Research; Faculty of Medicine; University of Malaya; Kuala Lumpur Malaysia
| | - Zubaidah Haji Abdul Rahim
- Department of Oral Biology and Biomedical Sciences; Faculty of Dentistry; University of Malaya; Kuala Lumpur Malaysia
| | - Onn Haji Hashim
- University of Malaya Centre for Proteomics Research; Faculty of Medicine; University of Malaya; Kuala Lumpur Malaysia
- Department of Molecular Medicine; Faculty of Medicine; University of Malaya; Kuala Lumpur Malaysia
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Katarkar A, Mukherjee S, Khan MH, Ray JG, Chaudhuri K. Comparative evaluation of genotoxicity by micronucleus assay in the buccal mucosa over comet assay in peripheral blood in oral precancer and cancer patients. Mutagenesis 2014; 29:325-334. [DOI: 10.1093/mutage/geu023] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023] Open
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Sadatullah S, Dawasaz AA, Luqman M, Assiry AA, Almeshari AA, Togoo RA. Radiation risk assessment in professionals working in dental radiology area using buccal micronucleus cytome assay. J Contemp Dent Pract 2013; 14:1024-7. [PMID: 24858744 DOI: 10.5005/jp-journals-10024-1444] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
OBJECTIVE The aim of this study was to assess the incidence of micronuclei (MN) in buccal mucosal cells of professionals working in radiology area to determine the risk of stochastic effects of radiation. MATERIALS AND METHODS All the professionals and students working in King Khalid University - College of Dentistry radiology area were included in the Risk Group (RG = 27). The Control Group (CG = 27) comprised of healthy individual matching the gender and age of the RG. Buccal mucosal scraping from all the 54 subjects of RG and CG were stained with Papanicolaou stain and observed under oil immersion lens (×100) for the presence of micronuclei (MN) in the exfoliated epithelial cells. RESULTS There was no significant difference between the incidence of MN in RG and CG (p = >0.05) using t-test. CONCLUSION Routine radiation protection protocol does minimize the risk of radiation induced cytotoxicity, however, screening of professionals should be carried out at regular intervals.
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Affiliation(s)
- Syed Sadatullah
- Assistant Professor, Department of Maxillofacial Surgery and Diagnostic Sciences, College of Dentistry, King Khalid University Abha, Saudi Arabia, Phone: 00966502584456, e-mail: dr.sadat@ hotmail.com
| | - Ali Azhar Dawasaz
- Assistant Professor, Department of Maxillofacial Surgery and Diagnostic Sciences, College of Dentistry, King Khalid University Abha, Saudi Arabia
| | - Master Luqman
- Assistant Professor, Department of Maxillofacial Surgery and Diagnostic Sciences, College of Dentistry, King Khalid University Abha, Saudi Arabia
| | - Ali A Assiry
- Demonstrator, Department of Pediatric Dentistry, College of Dentistry University of Najran, Najran, Saudi Arabia
| | - Ahmed A Almeshari
- Demonstrator, Department of Oral and Maxillofacial Surgery, Division of Maxillofacial Radiology, College of Dentistry, University of Najran Najran, Saudi Arabia
| | - Rafi Ahmad Togoo
- Associate Professor, Department of Preventive Dental Sciences College of Dentistry, King Khalid University, Abha, Saudi Arabia
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Abstract
A large number of people are using smokeless tobacco and areca nut worldwide. Sufficient data on tobacco smoking have harmful effect on human health and reproduction is available. However, data on the smokeless tobacco and areca nut use on human reproduction is scanty. This overview is an attempt to compose on the consumption of smokeless tobacco and areca nut on human reproduction and some relevant experimental data were also included. The existing studies suggest that tobacco and areca nut chewing alone, together or with other ingredients had reproductive toxic potential. Pregnant women using smokeless tobacco during pregnancy also had adverse effect on pregnancy and its outcome. Thus pregnant women must avoid consumption of any mixture containing areca nut and tobacco in order to protect the pregnancy and outcome. The data suggest that smokeless tobacco use is also harmful as smoking for reproduction and use of areca nut might have further compounded the problem.
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Affiliation(s)
- Sunil Kumar
- Division of Reproductive and Cyto-toxicology, National Institute of Occupational Health, (ICMR), Ahmedabad 380016, India.
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Nersesyan A, Kundi M, Krupitza G, Barcelos G, Mišík M, Wultsch G, Carrion J, Carrion-Carrera G, Knasmueller S. Induction of nuclear anomalies in exfoliated buccal cells of coca chewers: results of a field study. Arch Toxicol 2012; 87:529-34. [DOI: 10.1007/s00204-012-0969-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2012] [Accepted: 10/25/2012] [Indexed: 10/27/2022]
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Yang CM, Hou YY, Chiu YT, Chen HC, Chu ST, Chi CC, Hsiao M, Lee CY, Hsieh CJC, Lin YC, Hsieh YD, Ger LP. Interaction between tumour necrosis factor-α gene polymorphisms and substance use on risk of betel quid-related oral and pharyngeal squamous cell carcinoma in Taiwan. Arch Oral Biol 2011; 56:1162-9. [DOI: 10.1016/j.archoralbio.2011.03.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2010] [Revised: 01/31/2011] [Accepted: 03/18/2011] [Indexed: 01/03/2023]
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