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  • Title: MFAP5 and TNNC1: Potential markers for predicting occult cervical lymphatic metastasis and prognosis in early stage tongue cancer.
    Author: Yang X, Wu K, Li S, Hu L, Han J, Zhu D, Tian X, Liu W, Tian Z, Zhong L, Yan M, Zhang C, Zhang Z.
    Journal: Oncotarget; 2017 Jan 10; 8(2):2525-2535. PubMed ID: 27713166.
    Abstract:
    The purpose of this study is to identify candidate genes that could predict prognosis of early-stage tongue squamous cell carcinoma (TSCC) and its occult cervical lymphatic metastasis by large-scale gene expression profiling. Tumor tissue and matched normal mucosa samples were collected from patients with TSCC and analyzed with Affymetrix HTA2.0 high-density oligonucleotide array. Differentially expressed genes in TSCC with cervical lymph node metastasis (CLNM) were further analyzed with Gene Ontology and Kyoto Encyclopedia of Genes and Genomes for their functions and related pathways. A total of 107 differentially expressed genes (p < 0.05) were identified by microarray in TSCC samples with CLNM (n = 6) compared to those without CLNM (n = 6). Genes involved in the cell-matrix adherens junction and migration function including MFAP5, TNNC1, MGP, FBFBP1 and FBXO32 were selected and validated by RT-PCR in TSCC samples (n = 32). Of the five genes, MFAP5 and TNCC1 expressions were further validated by immohistochemistry (n = 61). The significant positive correlation between MFAP5 and TNNC1 expression (p<0.001) was observed. Notably, over-expression of MFAP5 and TNNC1 were correlated with CLNM, metastasis relapse-free survival and overall survival. Our findings indicated that MFAP5 and TNNC1 may be potential markers for predicting occult cervical lymphatic metastasis and prognosis of oral tongue carcinoma.
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