Abstract
Oral cancer is the most common malignancy in India, where it is epidemiologically linked to the chewing of betel quid and other carcinogens. But various point mutations were detectable in the p53 and p15 genes. Hence, this review was conducted with the aim to find out genetic risks as well as markers for oral cancers and wound healing. Tobacco-related cancers are associated with polymorphisms of the CYP1A1 and GSTM1 genes in terms of genotype frequencies and cigarette smoking dose. Expression of E6/E7 were also found in tumors, most of which were derived from the oropharynx. Presence of homozygous arginine at codon 72 renders p53 about seven times more susceptible to E6-mediated proteolytic degradation. Erythropoietin, vascular permeability factor (VPF, also known as vascular endothelial growth factor or VEGF), and PDGF has been implicated as one of the principal mitogens involved in cutaneous wound healing. Activation of NF-kB is associated with enhanced cell survival. Human papilloma virus status is a significantly favorable prognostic factor in tonsilar cancer and may be used as a marker in order to optimize the treatment of patients with this type of cancer.
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