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Jana BK, Singh M, Dutta RS, Mazumder B. Current Drug Delivery Strategies for Buccal Cavity Ailments using Mouth Dissolving Wafer Technology: A Comprehensive Review on the Present State of the Art. Curr Drug Deliv 2024; 21:339-359. [PMID: 36443976 DOI: 10.2174/1567201820666221128152010] [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: 05/02/2022] [Revised: 08/02/2022] [Accepted: 08/31/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND Mouth-dissolving wafer is polymer-based matrice that incorporates various pharmaceutical agents for oral drug delivery. This polymeric wafer is ingenious in the way that it needs not be administered with water, like in conventional tablet dosage form. It has better compliance among the pediatric and geriatric groups owing to its ease of administration. OBJECTIVE The polymeric wafer dissolves quickly in the oral cavity and is highly effective for a targeted local effect in buccal-specific ailments. It is a safe, effective, and versatile drug delivery carrier for a range of drugs used to treat a plethora of oral cavity-specific ailments that inflict common people, like thrush, canker sores, periodontal disease, benign oral cavity tumors, buccal neoplasm, and malignancies. This review paper focuses thoroughly on the present state of the art in mouth-dissolving wafer technology for buccal drug delivery and targeting. Moreover, we have also addressed present-time limitations associated with wafer technology to aid researchers in future developments in the arena of buccal drug delivery. CONCLUSION This dynamic novel formulation has tremendous future implications for designing drug delivery systems to target pernicious ailments and diseases specific to the buccal mucosa. In a nutshell, this review paper aims to summarize the present state of the art in buccal targeted drug delivery.
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Affiliation(s)
- Bani Kumar Jana
- Department of Pharmaceutical sciences, Dibrugarh University, Dibrugarh-786004, Assam, India
| | - Mohini Singh
- Department of Pharmaceutical sciences, Dibrugarh University, Dibrugarh-786004, Assam, India
| | - Rajat Subhra Dutta
- Department of Pharmaceutical sciences, Dibrugarh University, Dibrugarh-786004, Assam, India
| | - Bhaskar Mazumder
- Department of Pharmaceutical sciences, Dibrugarh University, Dibrugarh-786004, Assam, India
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2
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Surboyo MDC, Boedi RM, Hariyani N, Santosh ABR, Manuaba IBPP, Cecilia PH, Ambarawati IGAD, Parmadiati AE, Ernawati DS. The expression of TNF-α in recurrent aphthous stomatitis: A systematic review and meta-analysis. Cytokine 2022; 157:155946. [PMID: 35728503 DOI: 10.1016/j.cyto.2022.155946] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 06/06/2022] [Accepted: 06/13/2022] [Indexed: 11/29/2022]
Abstract
OBJECTIVE The pathogenesis of recurrent aphthous stomatitis (RAS) is related to an increase of pro-inflammatory cytokine, namely tumor necrosis factor α (TNF-α). This cytokine plays an important role in the development of ulcer lesions, both in saliva, tissues and blood. This systematic review analyzed the differences of TNF-α in lesions, salivary and blood and can be used as a reliable method of diagnosis for RAS. METHODS A comprehensive search of PubMed, Scopus databases, Web of Science, Scielo, Google Scholar and Embase with keywords. The inclusion criteria were studies that assessed the saliva, serum, and RAS lesion, with the outcome reporting the mean of saliva, serum and tissue expression of TNF-α. The risk of bias was also assessed. RESULT Healthy individuals showed significantly lower TNF-α than RAS (SMD = -1.517, 95% CI [-2.25, -0.78]). Although there is a significant difference between sample (i.e., saliva, serum) and detection type (i.e., cytometry bead array, ELISA), both methods can detect a significant difference in TNF-α between healthy individuals and RAS patients. CONCLUSIONS The TNF-α is a useful diagnostic marker for RAS. We encourage saliva to detect changes in TNF-α during ulceration as it provides accuracy, reliability, and non-invasive procedure compared to a blood draw.
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Affiliation(s)
| | - Rizky Merdietio Boedi
- Department of Dentistry, Faculty of Medicine, Universitas Diponegoro, Semarang, Indonesia; Centre of Forensic and Legal Medicine and Dentistry, School of Dentistry, University of Dundee, Dundee, United Kingdom
| | - Ninuk Hariyani
- Department of Dental Public Health, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - Arvind Babu Rajendra Santosh
- Department of Oral Medicine, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia; School of Dentistry, Faculty of Medical Sciences, University of The West Indies, Jamaica
| | | | - Pamela Handy Cecilia
- Graduate School of Dental Sciences Program, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia
| | | | | | - Diah Savitri Ernawati
- Department of Oral Medicine, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia
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3
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Yousefi H, Gholami M, Zoughi M, Rezaei N, Chuppani A, Nikfar S, Amoli MM. Role of genetic polymorphisms in recurrent aphthous stomatitis: A systematic review and meta-analysis. Cytokine 2022; 153:155864. [DOI: 10.1016/j.cyto.2022.155864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 08/25/2021] [Accepted: 03/08/2022] [Indexed: 11/03/2022]
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Shabana SJS, Mutawakkil MHZ, El–Ashmaoui HMA, Zahran FMAQ. Interleukin-6 gene polymorphism in Saudi population with recurrent aphthous stomatitis. Saudi Dent J 2021; 33:972-978. [PMID: 34938040 PMCID: PMC8665156 DOI: 10.1016/j.sdentj.2021.07.007] [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: 07/24/2020] [Revised: 06/23/2021] [Accepted: 07/04/2021] [Indexed: 11/17/2022] Open
Abstract
Introduction Recurrent aphthous ulcers are common but poorly understood mucosal disorder. Local and systemic conditions, genetic, immunological, and microbial factors may play a role in the pathogenesis of recurrent aphthous ulceration (RAS). Different aetiologies and mechanisms might be involved in the aetiopathogenesis of aphthous ulceration. Cytokines are thought to play an important role and high levels of interleukin (IL)-6, a pro-inflammatory cytokine, have been detected in the circulation of ulcer tissue. The purpose of the present study was to investigate if polymorphisms of IL-6 gene are associated with RAS in a cohort of specific population. Methodology A total of 37 RAS patients and 18 healthy controls were included in the study. The genotypes of IL-6 gene -174G\C polymorphisms were determined using polymerase chain reaction and sequencing. Results Four SNPs were analyzed, one known mutation which been evaluated as a risk factor for RAS, and three new mutations were investigated. The genotype frequencies of -174G\C polymorphism showed no statistically significant differences between RAS patients and controls (p\ 0.629). Polymorphisms of Rs1800795 heterozygous genotype were found in 21.62% of cases, and 33.33% of controls. Homozygous mutant genotype was found in 5.41% of cases and no homozygous mutant genotype was found in control group. The normal alleles were found in 72.97% of cases and 66.67% of control. Conclusion Thus, according to our study, IL-6 gene polymorphism is not involved in RAS pathogenesis. Further studies should be done on large sample size to detect any association with pathogenesis. However, an alternative reasoning could point out to a complex interactive effect on IL-6 expression that might exist between any of the detected polymorphisms.
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Affiliation(s)
| | - Muhammad Hamid Zaini Mutawakkil
- Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
- Corresponding author at: Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia.
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Tekcan A, Yigit S, Nursal AF, Tumer MK, Yerliyurt K, Kuruca N. Analysis of Interleukin-1 Receptor Antagonist Variable Number Tandem Repeat Variant in Recurrent Aphthous Stomatitis. Endocr Metab Immune Disord Drug Targets 2021; 21:139-144. [PMID: 32282310 DOI: 10.2174/1871530320666200413092239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 01/29/2020] [Accepted: 02/04/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND/AIMS Recurrent aphthous stomatitis (RAS) is one of the common oral inflammatory diseases. As immunological and genetic factors have been held responsible for the pathogenesis of RAS, the objective of this study was to determine whether the interleukin-1 receptor antagonist (IL-1Ra) gene variable number tandem repeat (VNTR) variant is a risk factor for the development of RAS in Turkish patients and to define its contribution to the increased risk. METHODS The IL-1Ra VNTR variant was evaluated in 169 RAS patients and 171 healthy controls by the polymerase chain reaction (PCR) method. RESULTS No statistically significant difference was found in the genotype distributions and allele frequencies of IL-1Ra VNTR variant between RAS patients and healthy controls. CONCLUSION Lack of association between IL-1Ra VNTR variant and RAS could indicate that IL-1Ra has no significant role in the pathophysiology of RAS. However, it still appears to be very worthwhile to continue to search for cytokine gene variants in order to predict the development of such disease.
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Affiliation(s)
- Akin Tekcan
- Department of Medical Biology, Faculty of Medicine, Amasya University, Amasya, Turkey
| | - Serbulent Yigit
- Gaziosmanpasa University, Faculty of Medicine, Department of Medical Biology, Tokat, Turkey
| | - Ayse F Nursal
- Hitit University, Faculty of Medicine, Department of Medical Genetics, Corum, Turkey
| | - Mehmet K Tumer
- Gaziosmanpasa University, Faculty of Dentistry, Department of Maxillofacial Surgery, Tokat, Turkey
| | - Kaan Yerliyurt
- Gaziosmanpasa University, Faculty of Dentistry, Department of Prosthodontics, Tokat, Turkey
| | - Nilufer Kuruca
- Ondokuz Mayıs University, Faculty of Veterinary Medicine, Department of Pathology, Samsun, Turkey
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7
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Sánchez-Bernal J, Conejero C, Conejero R. Recurrent Aphthous Stomatitis. ACTAS DERMO-SIFILIOGRAFICAS 2020; 111:471-480. [PMID: 32451064 DOI: 10.1016/j.ad.2019.09.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Revised: 08/17/2019] [Accepted: 09/25/2019] [Indexed: 12/21/2022] Open
Abstract
Recurrent aphthous stomatitis is a chronic inflammatory disease of the oral mucosa. It is characterized by painful mouth ulcers that cannot be explained by an underlying disease. Recurrent oral mucosal ulcers require a proper differential diagnosis to rule out other possible causes before recurrent aphthous stomatitis is diagnosed. The condition is common, with prevalence rates ranging from 5 to 60% in different series. Its pathogenesis is unknown, but multiple factors are considered to play a part. There are no standardized treatments for this condition and none of the treatments are curative. The goal of any treatment should be to alleviate pain, reduce the duration of ulcers, and prevent recurrence.
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Affiliation(s)
- J Sánchez-Bernal
- Servicio de Dermatología, Hospital Clínico Universitario Lozano Blesa, Zaragoza, España
| | - C Conejero
- Unidad de Dermatología, Centro Médico Millenium, Zaragoza, España
| | - R Conejero
- Departamento de Dermatología, Hospital Royo Villanova, Zaragoza, España.
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Dudding T, Haworth S, Lind PA, Sathirapongsasuti JF, Tung JY, Mitchell R, Colodro-Conde L, Medland SE, Gordon S, Elsworth B, Paternoster L, Franks PW, Thomas SJ, Martin NG, Timpson NJ. Genome wide analysis for mouth ulcers identifies associations at immune regulatory loci. Nat Commun 2019; 10:1052. [PMID: 30837455 PMCID: PMC6400940 DOI: 10.1038/s41467-019-08923-6] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Accepted: 02/05/2019] [Indexed: 12/23/2022] Open
Abstract
Mouth ulcers are the most common ulcerative condition and encompass several clinical diagnoses, including recurrent aphthous stomatitis (RAS). Despite previous evidence for heritability, it is not clear which specific genetic loci are implicated in RAS. In this genome-wide association study (n = 461,106) heritability is estimated at 8.2% (95% CI: 6.4%, 9.9%). This study finds 97 variants which alter the odds of developing non-specific mouth ulcers and replicate these in an independent cohort (n = 355,744) (lead variant after meta-analysis: rs76830965, near IL12A, OR 0.72 (95% CI: 0.71, 0.73); P = 4.4e−483). Additional effect estimates from three independent cohorts with more specific phenotyping and specific study characteristics support many of these findings. In silico functional analyses provide evidence for a role of T cell regulation in the aetiology of mouth ulcers. These results provide novel insight into the pathogenesis of a common, important condition. Oral ulcerations are sores of the mucous membrane of the mouth and highly prevalent in the population. Here, in a genome-wide association study, the authors identify 97 loci associated with mouth ulcers highlighting genes involved in T cell-mediated immunity and TH1 responses.
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Affiliation(s)
- Tom Dudding
- Medical Research Council Integrative Epidemiology Unit, Department of Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK.,Bristol Dental School, University of Bristol, Bristol, BS1 2LY, UK
| | - Simon Haworth
- Medical Research Council Integrative Epidemiology Unit, Department of Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK.,Bristol Dental School, University of Bristol, Bristol, BS1 2LY, UK
| | - Penelope A Lind
- Department of Psychiatric Genetics, QIMR Berghofer Medical Research Institute, Brisbane, 4006, Queensland, Australia
| | | | | | - Joyce Y Tung
- Research, 23andMe, Inc, Mountain View, 94041, CA, USA
| | - Ruth Mitchell
- Medical Research Council Integrative Epidemiology Unit, Department of Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Lucía Colodro-Conde
- Department of Psychiatric Genetics, QIMR Berghofer Medical Research Institute, Brisbane, 4006, Queensland, Australia
| | - Sarah E Medland
- Department of Psychiatric Genetics, QIMR Berghofer Medical Research Institute, Brisbane, 4006, Queensland, Australia
| | - Scott Gordon
- Department of Genetic Epidemiology, QIMR Berghofer Medical Research Institute, Brisbane, 4006, Queensland, Australia
| | - Benjamin Elsworth
- Medical Research Council Integrative Epidemiology Unit, Department of Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Lavinia Paternoster
- Medical Research Council Integrative Epidemiology Unit, Department of Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Paul W Franks
- Genetic and Molecular Epidemiology Unit, Department of Clinical Sciences, Lund University, Malmö, 221 00, Sweden.,Department of Public Health & Clinical Medicine, Umeå University, Umeå, 901 87, Sweden.,Department of Nutrition, Harvard T.H. Chan School of Public Health, Harvard University, Boston, 02115, MA, USA
| | - Steven J Thomas
- Bristol Dental School, University of Bristol, Bristol, BS1 2LY, UK
| | - Nicholas G Martin
- Department of Genetic Epidemiology, QIMR Berghofer Medical Research Institute, Brisbane, 4006, Queensland, Australia
| | - Nicholas J Timpson
- Medical Research Council Integrative Epidemiology Unit, Department of Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK.
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Borilova Linhartova P, Janos J, Slezakova S, Bartova J, Petanova J, Kuklinek P, Fassmann A, Dusek L, Izakovicova Holla L. Recurrent aphthous stomatitis and gene variability in selected interleukins: a case-control study. Eur J Oral Sci 2018; 126:485-492. [PMID: 30341786 DOI: 10.1111/eos.12577] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Genetic factors, especially those related to immune system functioning, have been intensively studied to determine their role in the development of recurrent aphthous stomatitis (RAS). The aim of the present study was to analyze gene variability in interleukin (IL)2, IL4 (and its receptor α, IL4Rα), IL10, and IL13, which were selected based on literature review and/or their functional relevance, in Czech patients with RAS and in healthy controls. In total, 252 subjects (178 controls and 74 patients with RAS) were enrolled in this case-control study, and their detailed anamnestic, clinical, and laboratory data were obtained. Nine polymorphisms in the genes encoding interleukins were determined using PCR techniques. There were no significant differences in allele or genotype frequencies of the IL2, IL4, IL4Rα, IL10, and IL13 polymorphisms rs2069762/rs2069763, rs2243250/rs79071878, rs1801275, rs1800896, and rs1800925, respectively, between controls and patients with RAS. The minority alleles rs1800871 and rs1800872, which encode variants of IL10, were associated with a statistically significantly higher risk of RAS, as confirmed by the results of genotype and haplotype analyses. We suggest that variability in the IL10 gene may play an important role in the development of RAS in the Czech population.
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Affiliation(s)
- Petra Borilova Linhartova
- Clinic of Stomatology, Institution Shared with St. Anne's Faculty Hospital, Faculty of Medicine, Masaryk University, Brno, Czech Republic.,Department of Pathophysiology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Julius Janos
- Clinic of Stomatology, Institution Shared with St. Anne's Faculty Hospital, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Simona Slezakova
- Clinic of Stomatology, Institution Shared with St. Anne's Faculty Hospital, Faculty of Medicine, Masaryk University, Brno, Czech Republic.,Department of Pathophysiology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Jirina Bartova
- Institute of Clinical and Experimental Dental Medicine, General University Hospital and First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Jitka Petanova
- Department of Immunology and Microbiology, General University Hospital and First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Pavel Kuklinek
- Department of Clinical Immunology and Allergology, Institution Shared with St. Anne's Faculty Hospital, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Antonin Fassmann
- Clinic of Stomatology, Institution Shared with St. Anne's Faculty Hospital, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Ladislav Dusek
- Institute of Biostatistics and Analyses, Masaryk University, Brno, Czech Republic
| | - Lydie Izakovicova Holla
- Clinic of Stomatology, Institution Shared with St. Anne's Faculty Hospital, Faculty of Medicine, Masaryk University, Brno, Czech Republic.,Department of Pathophysiology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
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Wu D, Xin J, Liu J, Zhou P. The association between interleukin polymorphism and recurrent aphthous stomatitis: A meta-analysis. Arch Oral Biol 2018; 93:3-11. [PMID: 29800802 DOI: 10.1016/j.archoralbio.2018.05.011] [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] [Received: 12/11/2017] [Revised: 04/28/2018] [Accepted: 05/13/2018] [Indexed: 11/16/2022]
Abstract
OBJECTIVE To assess the association between interleukin gene polymorphism and recurrent aphthous stomatitis (RAS). DESIGNS Two electronic databases, PubMed and Embase, were utilized to assemble potentially relevant studies meeting the inclusion criteria. A meta-analysis was conducted using Revman 5.3 software (London, UK), and the pooled odds ratio (OR) and 95% confidence interval (CI) were then used to evaluate the strength of the relationship between the gene polymorphisms of IL-1beta(-511C/T), IL-1beta(+3954C/T), IL-6(-174G/C) and IL-10(-1082G/A) and the risk of RAS. RESULTS Ten studies were included in the final meta-analysis, with 884 cases and 1104 controls participating. The results demonstrated that the polymorphism of IL-1beta(-511C/T) significantly increased the probability of the development of RAS in Europeans. (T vs. C: OR = 1.35, 95%CI = 1.09-1.67; CC vs. CT + TT: OR = 1.77, 95%CI = 1.24-2.53; CC vs. TT: OR = 1.86, 95%CI = 1.18-2.95). Furthermore, the C allele in IL-1beta(+3954C/T) was determined to be related to the risk of RAS in Americans (C vs. T: OR = 1.52, 95%CI = 1.07-2.17) and the presence of the C gene was considered a risk variant (CC + CT vs. TT: OR = 1.46, 95%CI = 1.01-2.11), but no relationship was found between the polymorphism of IL-10(-1082G/A) and the risk of RAS. CONCLUSIONS The meta-analysis suggested that the mutation of IL-1beta(-511C/T) in Europe and IL-1beta(+3954C/T) in America tend to increase the risk of RAS, but the polymorphism of IL-10(-1082G/A) appears to have no association with RAS risk in America. Further study is required to confirm the above conclusions.
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Affiliation(s)
- Donglei Wu
- College of Stomatology, Jinan University, Guangzhou 510632, China; Department of Stomatology, First Affiliated Hospital, Jinan University, Guangzhou 510632, China
| | - Jinglei Xin
- Department of Stomatology, Guangdong Women and Children Hospital of Guangzhou Medical University, Guangzhou 511442, China
| | - Jing Liu
- College of Stomatology, Jinan University, Guangzhou 510632, China.
| | - Peng Zhou
- Department of Stomatology, Guangdong Women and Children Hospital of Guangzhou Medical University, Guangzhou 511442, China
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Association between interleukin family gene polymorphisms and recurrent aphthous stomatitis risk. Genes Immun 2018; 20:90-101. [DOI: 10.1038/s41435-018-0019-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Revised: 11/16/2017] [Accepted: 11/16/2017] [Indexed: 11/08/2022]
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Chen L, Ke Z, Zhou Z, Jiang X, Zhao Y, Zhang J. Associations of IL-1, 6, and 10 Gene Polymorphisms with Susceptibility to Recurrent Aphthous Stomatitis: Insights from a Meta-Analysis. Genet Test Mol Biomarkers 2018; 22:237-245. [PMID: 29641282 DOI: 10.1089/gtmb.2017.0072] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
Abstract
AIM To determine if there are significant associations between polymorphisms of the IL-1, IL-6, and IL-10 genes and susceptibility to recurrent aphthous stomatitis (RAS). METHODS The PubMed, Embase, and Web of Science databases were searched for all eligible studies using both medical subheadings and free terms through December 2016. A total of 226 citations were retrieved. Odds ratios were used to quantitatively evaluate the associations of IL-1, IL-6, and IL-10 gene polymorphisms with RAS risk. A meta-analysis was performed, and heterogeneity, sensitivity, and subgroup analyses were carried out to clarify and validate the pooled results. RESULTS A total of 11 studies were identified that met the inclusion criteria and were included in the meta-analysis. This current systematic review indicated that the IL-1b+3954 C/T polymorphism was significantly associated with an elevated risk of RAS onset for all inheritance models, except for the dominant model. For the IL-10-592 C/A polymorphism, protective associations with RAS were found using both the additive and recessive models, while it increased the risk of RAS in the codominant model. In Asian populations, the IL-10-1082 G/A polymorphism was associated with a protective effect for RAS using the allelic, additive, and recessive models. The IL-6-174 G/C polymorphism was not statistically associated with RAS risk. CONCLUSION The IL-1b+3954 C/T polymorphism significantly increases RAS risk. In addition, the IL-10-1082 G/A polymorphism provided protective effects for RAS in the Asian population.
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Affiliation(s)
- Lei Chen
- 1 Department of Orthodontics, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, School & Hospital of Stomatology, Tongji University , Shanghai, China
| | - Zhengjian Ke
- 2 Department of Stomatology, Wuxi Stomatology Hospital , Wuxi City, Jiangsu Province, China
| | - Zhichong Zhou
- 1 Department of Orthodontics, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, School & Hospital of Stomatology, Tongji University , Shanghai, China
| | - Xinyi Jiang
- 3 Department of Stomatology, Renhe Hospital , Shanghai, China
| | - Yanhui Zhao
- 1 Department of Orthodontics, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, School & Hospital of Stomatology, Tongji University , Shanghai, China
| | - Jingju Zhang
- 1 Department of Orthodontics, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, School & Hospital of Stomatology, Tongji University , Shanghai, China
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Yang S, Zhang B, Shi Q, Liu J, Xu J, Huo N. Association of IL-6-174 G/C and IL10-1082 G/A polymorphisms with recurrent aphthous stomatitis risk: A meta-analysis. Medicine (Baltimore) 2017; 96:e9533. [PMID: 29384969 PMCID: PMC6392591 DOI: 10.1097/md.0000000000009533] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Recurrent aphthous stomatitis (RAS) is a common oral disease with unknown etiology. The association between IL-6-174 G/C and IL10-1082 G/A polymorphisms and the risk of RAS remains controversial. Therefore, we conducted this meta-analysis to gain more evidence-based information. METHODS Four online databases, PubMed, Embase, Web of Science, and Cochrane Library, were searched, and the relevant publications were collected. An odds ratio (OR) with a 95% confidence interval (CI) was applied to assess the association of the IL-6-174 G/C and IL10-1082 G/A polymorphisms with RAS susceptibility. RESULTS Nine published case-control studies with 779 patients and 1016 controls were collected. The overall analysis proved that the IL10-1082 G/A polymorphism was significantly associated with the risk of RAS in a dominant model (GG + AG vs AA: OR = 1.49, 95% CI = 1.10-2.01, P = .01). A subgroup analysis based on ethnicity revealed significant associations in Asian populations in allelic, heterozygote, and dominant models (G vs A: OR = 1.55, 95% CI = 1.04-2.31, P = .03; AG vs AA: OR = 1.76, 95% CI = 1.16-2.67, P = .01; GG + AG vs AA: OR = 2.04, 95% CI = 1.37-3.03, P = .00). The association in Caucasians and people of mixed ethnicity requires further study. No significant association was detected between the IL-6-174 G/C polymorphism and RAS in any of the genetic models. However, subgroup analysis by ethnicity revealed that the Caucasians were more likely to develop RAS in 4 genetic models (G vs C: OR = 2.36, 95% CI = 1.26-4.41, P = .01; GG vs CC: OR = 7.05, 95% CI = 3.50-14.18, P = .00; GG + CG vs CC: OR = 4.28, 95% CI = 2.17-8.45, P = .00; GG vs CG + CC: OR = 2.59, 95% CI = 1.05-6.41, P = .04). In addition, a significantly decreased risk of RAS susceptibility was found in Asians (CG vs CC: OR = 0.27, 95% CI = 0.07-0.99, P = .049; GG + CG vs CC: OR = 0.27, 95% CI = 0.07-0.98, P = .047). CONCLUSION Our meta-analysis indicated that the IL10-1082 G/A polymorphism is associated with RAS susceptibility, especially in Asians. In contrast, the IL-6-174 G/C polymorphism does not have a statistically significant association with RAS susceptibility. However, it may play a different role during the development of RAS in different ethnicities.
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14
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Ślebioda Z, Kowalska A, Rozmiarek M, Krawiecka E, Szponar E, Dorocka-Bobkowska B. The absence of an association between Interleukin 1β gene polymorphisms and recurrent aphthous stomatitis (RAS). Arch Oral Biol 2017; 84:45-49. [PMID: 28942153 DOI: 10.1016/j.archoralbio.2017.09.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Revised: 09/06/2017] [Accepted: 09/17/2017] [Indexed: 01/29/2023]
Abstract
OBJECTIVES Recurrent aphthous stomatitis (RAS) is a chronic, ulcerative disease with a probable polygenic mode of inheritance and complex etiology with a strong immunological background. The aim of the present study was to determine the possible association between two single nucleotide polymorphisms (SNPs) of the IL-1β gene: IL-1β-511 T>C (rs16944) and IL-1β+3954C>T (rs1143634) and RAS susceptibility in a moderately large group of patients. DESIGN One hundred and four patients with minor, major and herpetiform RAS and 75 healthy volunteers were genotyped at IL-1β-511 T>C (rs16944) and IL-1β+3954C>T (rs1143634) using the PCR-RFLP approach. The results were statistically analysed with chi-square test and test of difference between two rates of structure, with p<0.05 assumed to be a statistically significance level (Statistica 10, StatSoft®, Kraków, Poland). RESULTS There were no statistically significant differences in the genotype distribution for the IL-1β C[+3954]T polymorphism between the RAS and control groups. The frequency of IL-1β*T[-511]/*T[-511] homozygotes among the patients was significantly higher when compared to our study control (p<0.0347). The results after stratification into carriers and non-carriers of C and T alleles did not clearly indicate which SNP may be considered a risk factor for RAS. CONCLUSIONS The genetic association between the studied SNPs of the IL-1β gene and RAS remains controversial and requires further investigation.
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Affiliation(s)
- Zuzanna Ślebioda
- Department of Oral Mucosa Diseases, University of Medical Sciences, Poznań, Poland.
| | - Anna Kowalska
- Department of Nucleic Acids Function, Institute of Human Genetics, Polish Academy of Sciences, Poznań, Poland
| | - Marta Rozmiarek
- Department of Nucleic Acids Function, Institute of Human Genetics, Polish Academy of Sciences, Poznań, Poland
| | - Ewa Krawiecka
- Department of Oral Mucosa Diseases, University of Medical Sciences, Poznań, Poland
| | - Elżbieta Szponar
- Department of Oral Mucosa Diseases, University of Medical Sciences, Poznań, Poland
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Najafi S, Yousefi H, Mohammadzadeh M, Bidoki AZ, Farhadi E, Rezaei N. Interleukin-2, Interferon-gamma Gene Polymorphisms in Recurrent Aphthous Stomatitis. Prague Med Rep 2017; 118:81-86. [DOI: 10.14712/23362936.2017.7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Abstract
Recurrent aphthous stomatitis (RAS) is the most common oral ulcerative inflammatory disease with unknown etiology. IL-2 and IFN-γ are secreted by Th1 cells and the elevated levels of them have been reported in RAS. Single nucleotide polymorphisms (SNPs) of IL-2 and IFN-γ genes could alter the cytokine production. The aim of this study was to investigate frequencies of IL-2 and IFN-γ alleles and genotypes in a group of patients with minor-RAS (MiRAS). PCR-SSP method used to type genomic DNA of 64 Iranian patients with MiRAS for IL-2 gene (G –330 T) and (G +166 T) and IFN-γ gene at position UTR5644 (A/T). Frequency of each allele and genotype was compared with control group. IL-2 +166 G allele was significantly lower among patients which was reflected in significantly decreased of GG genotype at this position, while IL-2 +166 T allele was significantly higher among patients, IL-2 GT genotype was also significantly higher in RAS patients. No significant differences were found regarding IL-2 –330 G/T allele frequencies, while IL-2 GT genotype at this position was significantly higher among patients and IL-2 –330 TT genotype was significantly lower among RAS patients. Although no significant differences were found in IFN-γ allele frequencies at UTR5644 (A/T), AT genotype at this position was significantly overrepresented among patients compared with controls. Results of this study suggest that certain SNPs of IL-2 and IFN-γ genes have association with predisposition of individuals to RAS. More studies in different ethnic groups are needed to confirm results of this study.
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Ślebioda Z, Krawiecka E, Rozmiarek M, Szponar E, Kowalska A, Dorocka-Bobkowska B. Clinical phenotype of recurrent aphthous stomatitis and interleukin-1β genotype in a Polish cohort of patients. J Oral Pathol Med 2016; 46:657-662. [DOI: 10.1111/jop.12533] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/02/2016] [Indexed: 12/01/2022]
Affiliation(s)
- Zuzanna Ślebioda
- Department of Oral Mucosa Diseases; University of Medical Sciences; Poznań Poland
| | - Ewa Krawiecka
- Department of Oral Mucosa Diseases; University of Medical Sciences; Poznań Poland
| | - Marta Rozmiarek
- Department of Nucleic Acids Function; Institute of Human Genetics; Polish Academy of Sciences; Poznań Poland
| | - Elżbieta Szponar
- Department of Oral Mucosa Diseases; University of Medical Sciences; Poznań Poland
| | - Anna Kowalska
- Department of Nucleic Acids Function; Institute of Human Genetics; Polish Academy of Sciences; Poznań Poland
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Najafi S, Firooze Moqadam I, Mohammadzadeh M, Bidoki AZ, Yousefi H, Farhadi E, Tonekaboni A, Meighani G, Amirzargar AA, Rezaei N. Interleukin-10Gene Polymorphisms in Recurrent Aphthous Stomatitis. Immunol Invest 2014; 43:405-9. [DOI: 10.3109/08820139.2014.880119] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Slebioda Z, Szponar E, Kowalska A. Etiopathogenesis of recurrent aphthous stomatitis and the role of immunologic aspects: literature review. Arch Immunol Ther Exp (Warsz) 2013; 62:205-15. [PMID: 24217985 PMCID: PMC4024130 DOI: 10.1007/s00005-013-0261-y] [Citation(s) in RCA: 113] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2013] [Accepted: 10/28/2013] [Indexed: 12/31/2022]
Abstract
Recurrent aphthous stomatitis (RAS; recurrent aphthous ulcers; canker sores) belongs to the group of chronic, inflammatory, ulcerative diseases of the oral mucosa. Up to now, the etiopathogenesis of this condition remains unclear; it is, however, considered to be multifactorial. The results of currently performed studies indicate that genetically mediated disturbances of the innate and acquired immunity play an important role in the disease development. Factors that modify the immunologic response in RAS include: food allergies, vitamin and microelement deficiencies, hormonal and gastrointestinal disorders (e.g., celiac disease, Crohn’s disease, ulcerative colitis), some viral and bacterial infections, mechanical injuries and stress. In this paper, we presented the main etiopathogenetic factors of RAS with a special emphasis on the mechanisms of the immune response modification. Moreover, we discussed the crucial clinical symptoms and types of RAS together with epidemiologic data based on the current medical literature reports and our own observations.
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Affiliation(s)
- Zuzanna Slebioda
- Department of Oral Mucosa Diseases, University of Medical Sciences, Bukowska 70, 60-812, Poznan, Poland,
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Pekiner FN, Alatli C, Özbayrak S, Sinanoğlu A. Triester glycerol oxide in the treatment of recurrent aphthous stomatitis: A cytological investigation. ACTA ACUST UNITED AC 2013. [DOI: 10.1163/156856906778026194] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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20
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Association between interleukin 4 gene intron 3 VNTR polymorphism and recurrent aphthous stomatitis in a cohort of Turkish patients. Gene 2013; 527:207-10. [PMID: 23756192 DOI: 10.1016/j.gene.2013.05.053] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2013] [Revised: 04/30/2013] [Accepted: 05/17/2013] [Indexed: 11/22/2022]
Abstract
OBJECTIVE Recurrent aphthous stomatitis (RAS) is one of the most common oral mucosal diseases, with a multifactorial etiopathogenesis, an interaction between predisposing factors and/or systemic conditions and immunological components in genetically predisposed subjects. Although there is no clear genetic mode of inheritance, there is evidence that inheritance of specific gene polymorphisms may predispose individuals to RAS. The purpose of the present study was to investigate a possible association between the functional interleukin 4 (IL4) VNTR genetic polymorphism and RAS in a sample of Turkish patients. METHODS The study included 145 unrelated patients with a clinical diagnosis of RAS and 150 unrelated healthy controls. Genomic DNA was isolated and IL4 gene 70 bp VNTR polymorphism determined by using polymerase chain reaction (PCR) with specific primers. RESULTS The distribution of genotype and allele frequencies of IL4 gene intron 3 VNTR polymorphism was statistically different between RAS patients and control group (p<0.0001 and p<0.0001, respectively) P2P2 genotype and P2 allele were also found to be protective with a lower risk for susceptibility to RAS (p<0.0001). CONCLUSION The results of this study suggest that intron 3 VNTR polymorphism in the IL4 gene is associated with RAS susceptibility in Turkish population.
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Recurrent aphthous stomatitis: genetic aspects of etiology. Postepy Dermatol Alergol 2013; 30:96-102. [PMID: 24278055 PMCID: PMC3834687 DOI: 10.5114/pdia.2013.34158] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2012] [Revised: 09/03/2012] [Accepted: 09/23/2012] [Indexed: 11/17/2022] Open
Abstract
Recurrent aphthous stomatitis (RAS; recurrent aphthous ulcers - RAU; canker sores) is a chronic inflammatory, ulcerative condition of the oral mucosa. Its prevalence in the general population ranges between 5% and 20%, depending on the method and group studied. The etiopathogenesis of the disease is considered to be multifactorial, but remains still not fully understood. In patients with RAS, an enhanced immunologic response occurs to some trigger factors that may include: mechanical injury, stress or bacterial and viral antigens. Higher prevalence of aphthae in relatives may also indicate the genetic background of the condition. The inheritance of some specific gene polymorphisms, especially those encoding proinflammatory cytokines, which play a role in the formation of aphthous ulcer, may predispose family members to RAS. The purpose of this paper was to present the main clinical features of recurrent aphthous stomatitis, epidemiologic data and crucial etiopathogenetic factors with a special emphasis on genetic background of the condition.
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Repurposing of yunnan baiyao as an alternative therapy for minor recurrent aphthous stomatitis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2012; 2012:284620. [PMID: 23258985 PMCID: PMC3521495 DOI: 10.1155/2012/284620] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2012] [Accepted: 10/22/2012] [Indexed: 11/24/2022]
Abstract
The study was designed to evaluate the efficacy and safety of an herbal extract of Yunnan Baiyao formulated in toothpaste as an alternative therapy for minor RAS. A randomized, double-blind, placebo-controlled clinical trial (from March 2010 to March 2011) was conducted on a cohort of 227 minor RAS patients. The toothpaste containing Yunnan Baiyao was used twice daily as part of the patient's routine oral hygiene for 5 days. An assessment of ulcerative size and pain was recorded on day 0 (baseline), day 3, and day 5. Any noted adverse reactions were recorded. All data were analyzed using the SAS software 8.0. As a result, the toothpaste containing Yunnan Baiyao began to present noticeable effectiveness on ulcer healing (ulcer size) by day 3 (27.5% versus 15.8%, P < 0.05), which further improved by day 5 when compared to the placebo (66.4% versus 50.0%, P = 0.01). A significant difference in alleviating pain was noted on day 5 for those who used the toothpaste containing Yunnan Baiyao (66.4% versus 51.8%, P < 0.05). No side effects were noted as a result of the Yunnan Baiyao. Therefore, Yunnan Baiyao may provide an alternative therapy for minor ulcers by promoting healing.
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23
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Lin CM, Wang CC, Lai CC, Fan HC, Huang WH, Cheng SN. Genital ulcers as an unusual sign of periodic fever, aphthous stomatitis, pharyngotonsillitis, cervical adenopathy syndrome: a novel symptom? Pediatr Dermatol 2011; 28:290-4. [PMID: 21133994 DOI: 10.1111/j.1525-1470.2010.01247.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Periodic fever, aphthous stomatitis, pharyngotonsillitis, cervical adenopathy (PFAPA) syndrome, which is characterized by periodic episodes of high fever, aphthous stomatitis, pharyngitis, and cervical adenitis, is of unknown etiology and manifests usually before 5 years of age. A patient with periodic fever, aphthous stomatitis, pharyngotonsillitis, cervical adenopathy syndrome simultaneously presenting with genital ulcers has not been reported previously. We describe a 12-year-old Chinese girl with a 2-year history of periodic fever, aphthous stomatitis, pharyngotonsillitis, cervical adenopathy syndrome who exhibited vulvar ulcers accompanying an episode of febrile periodic fever, aphthous stomatitis, pharyngotonsillitis, and cervical adenopathy. Although during a 1-year follow-up this girl did not manifest typical symptoms/signs of Behçet's disease except recurrent oral aphthae and genital ulcers, it is possible that periodic fever, aphthous stomatitis, pharyngotonsillitis, cervical adenopathy syndrome and Behçet's disease could have overlapping manifestations. Furthermore, this report would add to the evidence of a wide variation in the clinical symptomatology of PFAPA syndrome.
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Affiliation(s)
- Chien-Ming Lin
- Department of Pediatrics, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
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24
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Femiano F, Lanza A, Buonaiuto C, Gombos F, Cirillo N. Oral aphthous-like lesions, PFAPA syndrome: a review. J Oral Pathol Med 2008. [DOI: 10.1111/j.1600-0714.2008.00634.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Femiano F, Lanza A, Buonaiuto C, Gombos F, Nunziata M, Piccolo S, Cirillo N. Guidelines for diagnosis and management of aphthous stomatitis. Pediatr Infect Dis J 2007; 26:728-32. [PMID: 17848886 DOI: 10.1097/inf.0b013e31806215f9] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Aphthous ulcers are the most common oral mucosal lesions in the general population. These often are recurrent and periodic lesions that cause clinically significant morbidity. Many suggestions have been proposed but the etiology of recurrent aphthous stomatitis (RAS) is unknown. Several precipitating factors for aphthous ulcers appear to operate in subjects with genetic predisposition. An autoimmune or hypersensitivity mechanism is widely considered possible. Sometimes aphthous ulcers can be the sign of systemic diseases, so it is essential to establish a correct diagnosis to determine suitable therapy. Before initiating medications for aphthous lesions, clinicians should determine whether well-recognized causes are contributing to the disease and these factors should be corrected. Various treatment modalities are used, but no therapy is definitive. Topical medications, such as antimicrobial mouth-washes and topical corticosteroids (dexamethasone, triamcinolone, fluocinonide, or clobetasol), can achieve the primary goal to reduce pain and to improve healing time but do not improve recurrence or remission rates. Systemic medications can be tried if topical therapy is ineffective.
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Affiliation(s)
- Felice Femiano
- Stomatology Department, II University of Medicines and Surgery, Naples, Italy.
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26
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Suneetha PV, Goyal A, Hissar SS, Sarin SK. Studies on TAQ1 polymorphism in the 3'untranslated region of IL-12P40 gene in HCV patients infected predominantly with genotype 3. J Med Virol 2006; 78:1055-60. [PMID: 16789008 DOI: 10.1002/jmv.20662] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Host immunity plays an important role in viral persistence and progression of liver disease in HCV infected patients. IL-12 induces production of IFN-gamma, a potent antiviral agent. IL-12 comprises two subunits; IL-p35 and IL-12p40, which are encoded by two different genes located on chromosome 3 and 5, respectively. Single nucleotide polymorphism at A1188C in the 3'UTR of IL-12p40 gene is associated with immune mediated diseases. Association of IL-12p40 A1188C polymorphism with the outcome of HCV infection was investigated in this study. Two hundred and fifty three histologically proven chronic hepatitis C patients (43 +/- 13 years, male:female: 185:68) and 380 matched controls were included. Genotyping was performed by RFLP and confirmed by direct sequencing. To assess correlation of immune gene polymorphism with severity of HCV-related liver disease, patients were divided into those with fibrosis score of < or = 2 (mild) or > 2 (severe), and histological activity index (HAI) of = 5 (mild) or > 5 (severe). The distribution of A/A, A/C or C/C alleles in the controls was comparable to the patients. The distribution of C/C allele was significantly more common in patients with mild as compared to severe fibrosis (23.7% vs. 6.25%, P = 0.004). No significant difference was observed for any of the genetic markers with HAI or with normal or raised alanine aminotransferase (ALT). These results show that the C/C allele of IL-12p40 gene could render genetic protection against development of severe liver disease in patients infected with HCV.
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Affiliation(s)
- P V Suneetha
- Department of Gastroenterology, G.B. Pant Hospital, New Delhi, India
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Boras VV, Lukac J, Brailo V, Picek P, Kordić D, Zilić IA. Salivary interleukin-6 and tumor necrosis factor-alpha in patients with recurrent aphthous ulceration. J Oral Pathol Med 2006; 35:241-3. [PMID: 16519772 DOI: 10.1111/j.1600-0714.2006.00404.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND Recurrent apthous ulceration (RAU) is a well known oral disease which seems to be mediated principally by the immune system. However, it is still a matter of debate which part of the immune system is implicated in its pathogenesis as a reaction to the still unknown antigen. The aim of this study was to evaluate salivary cytokines, interleukin (IL)-6, and tumor necrosis factor (TNF)-alpha. METHODS In 26 patients with minor RAU, age range of 23-49 years (mean 27.3 years), during both the acute phase and remission and in 26 healthy controls, age range of 22-64 years (mean 30.1 years), salivary IL-6 and TNF-alpha levels were determined by use of enzyme-linked immunosorbent assay (ELISA). Statistical analysis was performed by use of descriptive statistics. RESULTS Significant differences in salivary TNF-alpha between healthy controls and patients with acute RAU and during the remission period were found (P < 0.001) as well as between patients with acute RAU and those during the remission period (P < 0.001). No differences in salivary IL-6 between all three groups could be found. CONCLUSIONS We might conclude that elevated salivary TNF-alpha levels during acute RAU and especially during the remission period are of importance in RAU, whereas salivary IL-6 levels seem not to play a role in the RAU disease.
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Affiliation(s)
- V Vucićević Boras
- Department of Oral Medicine, School of Dental Medicine, University of Zagreb, Gundulićeva, Croatia.
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