leukoplakia/nikotin

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Glutathione S-transferase M1 and T1 null genotypes as risk factors for oral leukoplakia in ethnic Indian betel quid/tobacco chewers.

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Oral cancer is the most common cancer in males and third most common in females in India, the main causative agent being the use of chewing tobacco with or without betel quid (BQ). However, nothing is known about the role of the host metabolic genes in oral cancer in ethnic Indian population. In

p53 inactivation in chewing tobacco-induced oral cancers and leukoplakias from India.

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The inactivation of p53 tumour suppressor gene vis-á-vis point mutation, overexpression and degradation due to Human Papilloma virus (HPV) 16/18 infection, was examined in chewing tobacco-associated oral cancers and oral leukoplakias from India. The analysis of mutations was assessed by polymerase

Micronucleus Assay: An Early Diagnostic Tool to Assess Genotoxic Changes in Patients with Tobacco Use, Oral Leukoplakia and Oral Submucous Fibrosis.

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UNASSIGNED 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

Detection of human papillomavirus-genomic DNA in oral epithelial dysplasias, oral smokeless tobacco-associated leukoplakias, and epithelial malignancies.

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Human papillomavirus (HPV) is an infectious agent that is increasingly associated with mucosal cancers, in particular cancer of the cervix. The present investigation was undertaken in an attempt to determine whether HPV could be easily detected in biopsies of oral tissues, specifically oral squamous

Role of CYP2E1 genetic polymorphism in the development of oral leukoplakia among tobacco users in North Indian population.

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OBJECTIVE The aim of the study to find out role of CYP2E1 genetic polymorphism in development of oral leukoplakia among tobacco users in North Indian population, this study was carried out at Department of Oral and Maxillofacial Pathology, King George's Medical University, Lucknow, UP. METHODS Study

Prevalence of glutathione S-transferase M1 null polymorphism in tobacco users, oral leukoplakia and oral squamous cell carcinoma patients in South Indian population: A polymerase chain reaction study.

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BACKGROUND Tobacco abuse is a well-known risk factor for potentially malignant disorders as well as oral squamous cell carcinoma (SCC). Factors that influence tobacco-exposed individuals developing a malignancy may include a combination of total tobacco exposure and genetic

Architectural organization of human oral epithelium as visualized by keratin staining pattern in tobacco-associated leukoplakias.

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The keratin staining pattern in clinical normal buccal mucosa in smokers and non-smokers and in tobacco-associated leukoplakias histologically characterized by the chevron type of keratinization were studied. No differences in keratin staining pattern were found in normal buccal mucosa in smokers

Comparative cytomorphometric analysis of oral mucosal cells in normal, tobacco users, oral leukoplakia and oral squamous cell carcinoma.

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BACKGROUND Squamous cell carcinoma (SCC) is the third most common cause of oral morbidity in India despite the numerous advances made in the treatment protocol. OBJECTIVE To compare the cytomorphometric changes of oral mucosal cells in normal subjects (Group I) with that of tobacco users without any

Comparison of the Carcinogenic Potential of Smokeless Tobacco and Smoked Tobacco by Quantifying the Excretion of Nicotine Metabolite NNAL in Patients with Oral Leukoplakia.

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The case control study was conducted to quantify the amount of the carcinogenic tobacco specific nitrosamine in smokeless tobacco users and smokers in patients with oral leukoplakia and also to emphasize the role of tobacco-specific nitrosamine in the incidence of oral leukoplakia. The study was

Comprehensive SNP scan of DNA repair and DNA damage response genes reveal multiple susceptibility loci conferring risk to tobacco associated leukoplakia and oral cancer.

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Polymorphic variants of DNA repair and damage response genes play major role in carcinogenesis. These variants are suspected as predisposition factors to Oral Squamous Cell Carcinoma (OSCC). For identification of susceptible variants affecting OSCC development in Indian population, the "maximally

Immunoexpression of tenascin as a predictor of the malignancy potential of oral leukoplakia associated with a tobacco habit.

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Prijava / prijava

Oral leukoplakia is a morphological alteration of tissue that is an early indicator for malignancy. Tenascin (TN) is a large hexameric extracellular matrix (ECM) protein with anti-adhesive properties that fosters cell migration during development, wound healing and tissue remodeling; it is present

Oral Leukoplakia: Clinicopathological Correlation and Its Relevance to Regional Tobacco-related Habit Index.

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BACKGROUND A case control study was carried out to evaluate the synergistic effects of habits quantified by habit index and its effect and severity on the clinicopathological features of oral leukoplakia in a cohort of 100 patients visiting Triveni Dental College, Bilaspur, Chhattisgarh,

Oral leukoplakia and adolescent smokeless tobacco use.

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The recent increase in smokeless tobacco (ST) use has prompted investigators to assess the health effects of ST use. This study attempted to evaluate the prevalence of oral leukoplakia among adolescent users and to determine factors associated with its presence. During their annual physical

Association between oral leukoplakia and sex, age, and tobacco habits.

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The association between oral leukoplakia and possible etiological factors in patients at a Bombay hospital was analysed by a new multivariate computer analysis based on information theory. It was found that the most important etiological factors were bidi smoking and age. The well known

Tobacco use and oral leukoplakia: cross-sectional study among the Gond tribe in Madhya Pradesh.

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BACKGROUND Leukoplakia is an asymptomatic and potentially malignant change in the oral mucosa and high frequencies have been reported among smokers. The present study concerned the prevalence of tobacco use and leukoplakia and also associations between the two. METHODS This cross sectional survey

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