miR-99a-5p as a biomarker for lymph node metastasis prediction in oral squamous cell carcinoma patients

Metastatic lymph node involvement influences therapy decisions and serves as a prognostic indicator in oral squamous cell carcinoma (OSCC). However, many early-stage patients with clinically negative lymph nodes exhibit no metastasis upon surgical staging. This study aimed to identify differentially...

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Bibliographic Details
Published in:Head & neck 2023-10, Vol.45 (10), p.2489-2497
Main Authors: Cousseau, Cristiane Pereira Vargas, Sorroche, Bruna Pereira, de Jesus Teixeira, Renan, de Carvalho, Ana Carolina, Melendez, Matias Eliseo, de Castro Capuzzo, Renato, Laus, Ana Carolina, da Silva, Luciane Sussuchi, de Menezes, Nei Soares, Carvalho, André Lopes, Arantes, Lidia Maria Rebolho Batista
Format: Article
Language:English
Subjects:
Biomarkers
Lymph nodes
Metastases
Oral cancer
Oral carcinoma
Oral squamous cell carcinoma
Squamous cell carcinoma
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Summary:Metastatic lymph node involvement influences therapy decisions and serves as a prognostic indicator in oral squamous cell carcinoma (OSCC). However, many early-stage patients with clinically negative lymph nodes exhibit no metastasis upon surgical staging. This study aimed to identify differentially expressed miRNAs capable of distinguishing pathologically positive (pN+) from negative (pN0) nodes in OSCC patients without clinical evidence of lymph node metastases (cN0). Expression levels of 798 miRNAs were assessed in tumor samples from 10 pN+ and 10 pN0 patients using the Nanostring nCounter platform. Validation was performed in an independent cohort of 15 pN+ and 24 pN0 patients through RT-qPCR. Eight miRNAs exhibited differential expression between pN0 and pN+ patients. Notably, hsa-miR-99a-5p demonstrated high sensitivity and specificity in predicting patients at higher risk of positive lymph nodes. These findings highlight hsa-miR-99a-5p as a potential biomarker for detecting lymph node metastasis in primary OSCC tumors.
ISSN:1043-3074
1097-0347
DOI:10.1002/hed.27459