title: MMP-14 can serve as a prognostic marker in patients with supraglottic cancer.
abstract: The purpose of this study was to examine the expression of MMP-14, 15 and 16 (MT1, MT2 and MT3-MMP) in supraglottic carcinoma and to explore their clinical significance. Expression of MMP-14, 15 and 16 was examined using RT-PCR and immunohistochemistry methods in samples from 85 cases of supraglottic carcinoma. Results showed that both mRNA and protein expression of MMP-14, 15 and 16 were increased in supraglottic carcinoma tissues compared to expression in control adjacent non-neoplastic tissues (P < 0.05). Expression of MMP-14, but not MMP-15 and MMP-16, was significantly increased in the T3 and neck nodal metastasis groups compared with the T1-2 group and the group without nodal metastasis at both mRNA and protein levels (P < 0.05). Expression of MMP-14 mRNA and protein was also higher in tumors of patients with stage III-IV disease compared to patients with clinical stage I-II tumors (P < 0.05). Kaplan-Meier survival curves showed that the groups with high MMP-14 protein expression had a poorer prognosis than patients in the groups with weak or negative expression of MMP-14 protein (P < 0.05). In conclusion, MMP-14 may play an important role in the progression of supraglottic carcinoma and may be a novel prognostic factor for patients with supraglottic carcinoma.
authors.affiliation: Department of Otorhinolaryngology, Head and Neck Surgery, The Second Affiliated Hospital, Harbin Medical University, 150086, Harbin, People's Republic of China.
authors.forename: Huiyan
authors.initials: H
authors.lastname: Zhang
authors.forename: Ming
authors.initials: M
authors.lastname: Liu
authors.forename: Yanan
authors.initials: Y
authors.lastname: Sun
authors.forename: Jianguang
authors.initials: J
authors.lastname: Lu
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D014408:Biomarkers, Tumor / Q000032:analysis; D002294:Carcinoma, Squamous Cell / Q000473:pathology*; D005260:Female; D006801:Humans; D007150:Immunohistochemistry; D007822:Laryngeal Neoplasms / Q000473:pathology; D008207:Lymphatic Metastasis; D008297:Male; D053511:Matrix Metalloproteinase 14 / Q000032:analysis*; D053517:Matrix Metalloproteinase 15 / Q000032:analysis; D053513:Matrix Metalloproteinase 16 / Q000032:analysis; D008875:Middle Aged; D009333:Neck; D011379:Prognosis; D020133:Reverse Transcriptase Polymerase Chain Reaction
chemical_list: D014408:Biomarkers, Tumor; D053517:Matrix Metalloproteinase 15; D053513:Matrix Metalloproteinase 16; D053511:Matrix Metalloproteinase 14