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- W2892770857 abstract "Background: Harvey-Ras (H-Ras) is an important guanosine triphosphatase protein for the regulation of cellular growth and survival. Altered Ras signaling has been observed in different types of cancer either by gene amplification and/or mutation. The H-Ras oncogene mutations are well reported, but expression of the H-Ras gene is still unknown. Objective: This study aimed to examine both protein and messenger-RNA (mRNA) expressions of H-Ras in oral squamous cell carcinoma (OSCC) and analyzed the association with risk habits and the clinicopathological profile of cases. Methodology: A total of 65 tissue specimens of OSCC (case group) and equal number of normal tissues (control group) were included in this study. H-Ras protein and mRNA expressions were analyzed using immunohistochemical and quantitative real time-polymerase chain reaction techniques, respectively. Results: The H-Ras protein was significantly overexpressed in the oral carcinoma group compared to the normal group (P = 0.03). Most of the OSCC cases showed positive staining with moderate expression, while negative and moderate staining was high in the control group. The majority of H-Ras positive cases were found in individuals with multiple risk habits including tobacco chewing. The risk of H-Ras positivity was 1.46 times higher in smokers than non-smokers. H-Ras positivity increased in cases affected with buccal mucosa site and higher grade of carcinoma. Relative mRNA level of H-Ras was significantly elevated in oral carcinoma as compared with the control group (P ≤ 0.001). Protein and mRNA levels of H-Ras in case group was poorly correlated. Conclusion: H-Ras oncogene expression was markedly higher in oral carcinoma, and it can be a prognostic marker and target for an effective molecular therapy." @default.
- W2892770857 created "2018-10-05" @default.
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- W2892770857 date "2018-01-01" @default.
- W2892770857 modified "2023-10-16" @default.
- W2892770857 title "Does Harvey-Ras gene expression lead to oral squamous cell carcinoma? A clinicopathological aspect" @default.
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- W2892770857 doi "https://doi.org/10.4103/jomfp.jomfp_246_17" @default.
- W2892770857 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/5917545" @default.
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