Investigation of the association between miR‑181b, Bcl‑2 and LRIG1 in oral verrucous carcinoma.

Authors:
Dr. Krishna Munnee, M.B.B.S.; M.S.; Ph.D.
Dr. Krishna Munnee, M.B.B.S.; M.S.; Ph.D.
Victoria Hospital
Consultant Plastic & Reconstructive Surgeon
Quatre Bornes | Mauritius

Mol Med Rep 2016 Oct 9;14(4):2991-6. Epub 2016 Aug 9.

Department of Oral and Maxillofacial Surgery, Xiangya School and Hospital of Stomatology, Central South University, Changsha, Hunan 410078, P.R. China.

Abnormal expression of microRNAs (miRNAs) is involved in the development of and anti‑apoptotic effects in various types of human cancer. However, miRNA‑mediated regulation of oral verrucous carcinoma (OVC) remains to be elucidated. The present study aimed to investigate the expression of miR‑181b in OVC and oral squamous cell carcinoma (OSCC). The expression levels of miR‑181b were determined using reverse transcription‑quantitative polymerase chain reaction. The expression levels of B‑cell lymphoma 2 (Bcl‑2) and leucine rich repeats and immunoglobulin like domains 1 (LRIG1), were evaluated using immunohistochemical staining. The correlation between Bcl‑2 and LRIG1 expression was determined using a Pearson correlation analysis. The expression levels of miR‑181b and Bcl‑2 in OVC were significantly higher compared with normal mucosal tissue (NM); however, lower compared with the OSCC. The key target of miR‑181b was LRIG1 and it was significantly lower in OVC tissues compared with NM tissue; however this was higher when compared with OSCC tissue. The expression levels of Bcl‑2 were correlated with expression levels of LRIG1 in OVC tissues. Therefore, LRIG1 may be associated with anti‑apoptotic function in OVC tissues.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5042782PMC
http://dx.doi.org/10.3892/mmr.2016.5608DOI Listing
October 2016
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