oral submucous fibrosis/hypoxia

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Single nucleotide polymorphisms and serologic levels of hypoxia-inducible factor1 α and vascular endothelial growth factor are associated with increased risk of oral submucous fibrosis in gutka users among a North Indian population

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Objectives: Tissue hypoxia in oral submucous fibrosis (OSMF) induces hypoxia-inducible factor (HIF)-1 α and vascular endothelial growth factor (VEGF), causing angiogenesis. Single nucleotide polymorphisms (SNPs) may predict susceptibility

Qualitative expression of hypoxia-inducible factor-1α in malignant transformation of oral submucous fibrosis: An immunohistochemical study

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Background: Oral submucous fibrosis (OSF) is a precancerous condition predominantly seen in people of Asian descent. About 7%-12% of OSF patients develop oral squamous cell carcinoma. Morphological features of OSF, especially fibrosis, suggest a possibility of

The domino effect: Role of hypoxia in malignant transformation of oral submucous fibrosis.

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BACKGROUND Oral submucous fibrosis (OSMF) is a precancerous condition predominantly seen in people of Asian descent. About 7-12% OSMF patients develop oral squamous cell carcinoma (OSCC). Morphological features of OSMF especially fibrosis suggests a possibility of the hypoxic environment in diseased

Regulation of hypoxia-inducible factor-1α in human buccal mucosal fibroblasts stimulated with arecoline.

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Hypoxia-inducible factor (HIF)-1α is consistently and dramatically upregulated in a variety of fibrotic diseases. The aim of this study was to compare HIF-1α expression from fibroblasts derived from human normal buccal mucosa and oral submucous fibrosis (OSF) specimens and further to explore the

Limited mouth opening in oral submucous fibrosis: reasons, ramifications, and remedies.

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Limited mouth opening (LMO) in oral submucous fibrosis (OSF) has been attributed to both the submucosal and muscle fibrosis (MF). While reflectory trismus was proposed before as an auxiliary mechanism by another group, the stretch-mediated muscle damage (MSD), histopathological changes in blood

Computer-aided molecular pathology interpretation in exploring prospective markers for oral submucous fibrosis progression.

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BACKGROUND Evaluation of molecular pathology markers using a computer-aided quantitative assessment framework would help to assess the altered states of cellular proliferation, hypoxia, and neoangiogenesis in oral submucous fibrosis and could improve diagnostic interpretation in gauging its

Role of angiogenesis in oral submucous fibrosis using vascular endothelial growth factor and CD34: An immunohistochemical study.

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Oral submucous fibrosis (OSF) is an insidious, chronic, disabling disease, in which there is lack of perfusion due to reduced level of the vasculature and this is said to be responsible for the epithelial atrophy seen in OSF. The degree of vasculature of the affected mucosa and its

Endorsing cellular competitiveness in aberrant epithelium of oral submucous fibrosis progression: neighbourhood analysis of immunohistochemical attributes.

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Epithelial abnormality during the transformation of oral submucous fibrosis (OSF) into oral squamous cell carcinoma has been well studied and documented. However, the differential contribution of atrophy and hyperplasia for malignant potentiality of OSF is yet to be resolved. Existing diagnostic

Molecular Pathology of Malignant Transformation of Oral Submucous Fibrosis.

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Oral submucous fibrosis (OSF) is prevalent mostly in Southeast Asia, particularly in the Indian subcontinent. Chewing betel nuts and betel leaves, with or without tobacco, has been associated with OSF. Betel quid contents including guvacine, arecoline, guvacoline, arecaidine, and chavibetol are

Comparison of microvessel density using CD34 and CD105 in oral submucous fibrosis and its correlation with clinicopathological features: An immunohistochemical study.

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UNASSIGNED To compare immunohistochemical expression of CD34 and CD105 in oral submucous fibrosis (OSF) and normal oral mucosa (NOM) and correlate with clinicopathological features of OSF. UNASSIGNED Total of thirty clinically diagnosed and histologically confirmed cases of OSF and 15 NOM were

Caspase-3 expression in normal oral epithelium, oral submucous fibrosis and oral squamous cell carcinoma.

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BACKGROUND The epithelium atrophy, as the oral submucous fibrosis (OSMF) progresses, is believed to be an after effect of stromal fibrosis, hyalinization, decrease in vascularity and cellularity and is considered as "ischemic atrophy." Due to hypoxia, caspase-3 get activation and subsequent decrease

Upregulation of HIF-1alpha in malignant transformation of oral submucous fibrosis.

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BACKGROUND Oral submucous fibrosis (OSF) is a precancerous condition showing extensive fibrosis of the submucosa and affects most parts of the oral cavity, including pharynx and upper third of the oesophagus. The molecules involved in the biological pathways of the fibrotic process appeared to be

Characterisation and quantification of mucosal vasculature in oral submucous fibrosis.

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OBJECTIVE Quantitative assessment of the mucosal vascularity in oral sub mucous fibrosis (OSF) by image analysis using OPTIMAS ver 6.0 software. The vascularity was assessed by estimating (a) the mean vascular density, (b) the mean vascular area percentage, and (c) the mean vascular luminal

Hypoxic regulation of plasminogen activator inhibitor-1 expression in human buccal mucosa fibroblasts stimulated with arecoline.

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BACKGROUND Oral submucous fibrosis (OSF) is regarded as a pre-cancerous condition with fibrosis in oral subepithelial connective tissue. Hypoxia-inducible factor (HIF)-1α regulates a wide variety of profibrogenic genes, which are closely associated with tissue fibrosis. The aim of this study was to

Inhibition of HIF1A-AS1 impedes the arecoline-induced migration activity of human oral mucosal fibroblasts.

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Long non-coding RNA hypoxia-inducible factor 1α-antisense RNA 1 (HIF1A-AS1) has been known to participate in various types of malignancies, but its role in the development of precancerous oral submucous fibrosis (OSF) has not been investigated. In the current study, we first observed the aberrant

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