Αρχειοθήκη ιστολογίου

Αλέξανδρος Γ. Σφακιανάκης
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5
Άγιος Νικόλαος Κρήτη 72100
2841026182
6032607174

Τετάρτη 12 Δεκεμβρίου 2018

Pathway based prognostic gene expression profile of buccal and gingivo‐buccal oral squamous cell carcinoma in smokeless tobacco chewers

Abstract

Background

The objective was to study comprehensive mRNA expression profiles of buccal mucosa oral squamous cell carcinoma (OSCC‐BM) and gingivo‐buccal OSCC (OSCC‐GB) in smokeless tobacco chewers to understand the biological behavior of OSCC at these specific sites and identify diagnostic and prognostic markers.

Methods

High throughput RNA sequencing transcriptome of fresh buccal mucosa (4 samples) and gingivo‐buccal (4 samples) OSCC with normal oral mucosa (3 samples) was performed on Illumina NextSeq500 paired end sequencing with 75x2bp.

Results

In the comparison between OSCC and normal, there were 402 differentially expressed genes (DEGs); between OSCC‐BM and normal, there were 467 DEGs; and between OSCC‐GB and normal oral tissue, there were 608 DEGs. Pathway‐based analysis of gene expression was done. The inflammation mediated by chemokine and cytokine signaling pathway had the maximum gene hits.

Conclusions

FZD2 and its interactions with the cadherins have a role in invasion and metastasis. immunosurveillance is evident in OSCC‐GB with the downregulation of CADM1.



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