SPINK7 expression changes accompanied by HER2, P53 and RB1 can be relevant in predicting oral squamous cell carcinoma at a molecular level
Date
2021
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Article
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Abstract
The oral squamous cell carcinoma (OSCC), which has a high morbidity rate, affects patients worldwide. Changes in SPINK7 in precancerous lesions could promote oncogenesis. Our aim was to evaluate SPINK7 as a potential molecular biomarker which predicts OSCC stages, compared to: HER2, TP53, RB1, NFKB and CYP4B1. This study used oral biopsies from three patient groups: dysplasia (n = 33), less invasive (n = 28) and highly invasive OSCC (n = 18). The control group consisted of clinically suspicious cases later to be confirmed as normal mucosa (n = 20). Gene levels of SPINK7, P53, RB, NFKB and CYP4B1 were quantified by qPCR. SPINK7 levels were correlated with a cohort of 330 patients from the TCGA. Also, SPINK7, HER2, TP53, and RB1, were evaluated by immunohistofluorescence. One-way Kruskal-Wallis test and Dunn's post-hoc with a p < 0.05 significance was used to analyze data. In OSCC, the SPINK7 expression had down regulated while P53, RB, NFKB and CYP4B1 had up regulated (p < 0.001). SPINK7 had also diminished in TCGA patients (p = 2.10e-6). In less invasive OSCC, SPINK7 and HER2 proteins had decreased while TP53 and RB1 had increased with respect to the other groups (p < 0.05). The changes of SPINK7 accompanied by HER2, P53 and RB1 can be used to classify the molecular stage of OSCC lesions allowing a diagnosis at molecular and histopathological levels.
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Citation
Pennacchiotti G, Valdés-Gutiérrez F, González-Arriagada WA, Montes HF, Parra JMR, Guida VA, Gómez SE, Guerrero-Gimenez ME, Fernandez-Muñoz JM, Zoppino FCM, Carón RW, Ezquer ME, Fernández-Ramires R, Bruna FA. SPINK7 expression changes accompanied by HER2, P53 and RB1 can be relevant in predicting oral squamous cell carcinoma at a molecular level. Sci Rep. 2021 Mar 25;11(1):6939. doi: 10.1038/s41598-021-86208-z
Keywords
Biomarkers, Tumor / metabolism, Carcinoma, Squamous Cell / diagnosis, Carcinoma, Squamous Cell / genetics, Carcinoma, Squamous Cell / metabolism, Case-Control Studies, Mouth Neoplasms / diagnosis, Middle Aged, Retinoblastoma Binding Proteins / metabolism, Mouth Neoplasms / genetics, Receptor, ErbB-2 / metabolism, Serine Peptidase Inhibitors, Kazal Type / metabolism, Serine Peptidase Inhibitors, Kazal Type / genetics, Tumor Suppressor Protein p53 / metabolism, Ubiquitin-Protein Ligases / metabolism