OBJECTIVES: To investigate the expression and clinical significance of MMP-2, MMP-7, MMP-9, and TIMP-1 in patients with nasal polyposis (NP) and chronic rhinosinusitis (CRS). STUDY DESIGN: Prospective study. SUBJECTS AND METHODS: This study involved 54 patients. There were three groups: nasal polyposis group, chronic rhinosinusitis group, and control group. Specimens were collected during endoscopic sinus surgery. Each sample was immunohistochemically examined. RESULTS: Expression of MMP-2 was found significantly increased in NP, whereas MMP-7 expression was found significantly increased in CRS (P < 0.001). TIMP-1 was significantly high in control group compared to CRS and NP (P < 0.001 and P = 0.002, respectively). CONCLUSIONS: Different regulation type of activation of MMPs has been found in these two diseases. If MMP-2 expression is intense in the mucosa, then this ends with polyp formation; if MMP-7 expression is intense, it ends with CRS or stays as CRS.
OBJECTIVES: To investigate the expression and clinical significance of MMP-2, MMP-7, MMP-9, and TIMP-1 in patients with nasal polyposis (NP) and chronic rhinosinusitis (CRS). STUDY DESIGN: Prospective study. SUBJECTS AND METHODS: This study involved 54 patients. There were three groups: nasal polyposis group, chronic rhinosinusitis group, and control group. Specimens were collected during endoscopic sinus surgery. Each sample was immunohistochemically examined. RESULTS: Expression of MMP-2 was found significantly increased in NP, whereas MMP-7 expression was found significantly increased in CRS (P < 0.001). TIMP-1 was significantly high in control group compared to CRS and NP (P < 0.001 and P = 0.002, respectively). CONCLUSIONS: Different regulation type of activation of MMPs has been found in these two diseases. If MMP-2 expression is intense in the mucosa, then this ends with polyp formation; if MMP-7 expression is intense, it ends with CRS or stays as CRS.
Authors: Rafael Rossell Malinsky; Fabiana C P Valera; Fransérgio Emílio Cavallari; Daniel Salgado Küpper; Cristiane Milaneze; João S Silva; Edwin Tamashiro; Wilma T Anselmo-Lima Journal: Eur Arch Otorhinolaryngol Date: 2012-10-12 Impact factor: 2.503
Authors: C N Tiboc Schnell; Gabriela Adriana Filip; N Decea; R Moldovan; R Opris; S C Man; B Moldovan; L David; F Tabaran; D Olteanu; A M Gheldiu; I Baldea Journal: Inflammopharmacology Date: 2021-04-21 Impact factor: 4.473
Authors: Alma Aurelia Maniu; Maria Ida Perde-Schrepler; Corina Bianca Tatomir; Mihai Ionuţ Tănase; Maximilian George Dindelegan; Vlad Andrei Budu; Gheorghe Doinel Rădeanu; Marcel Cosgarea; Carmen Aurelia Mogoantă Journal: Rom J Morphol Embryol Date: 2020 Apr-Jun Impact factor: 1.033