PURPOSE: Receptor activator of nuclear factor kappa-B and its ligand (RANK/RANKL) and Osteoprotegerin (OPG) are key molecules for regulating osteoclastic activity in bone. However, little is known about the role of RANK-related molecules in breast cancer prognosis. We aimed to evaluate RANK, RANKL, and OPG expression and the associated clinical impact in breast cancer. METHODS: Tissue microarray (TMA) from 185 patients with primary breast cancer was established. Immunohistochemistry for RANK, RANKL, and OPG was performed. Clinicopathologic features and survival outcomes associated with expression of RANK, RANKL, and OPG were analyzed. RESULTS: RANK, RANKL, and OPG were expressed in 74.1%, 78.4%, and 45.9% of patients, respectively. RANKL expression was associated with lower Ki-67 level. OPG expression was related to small tumor size, node negativity, and low Ki-67. There was no significant difference in clinicopathologic features between tumors with RANK and those without RANK. RANK expression was significantly associated with poor disease-free survival in univariate analysis (P = 0.04) and multivariate analysis (P = 0.02). RANKL expression was associated with improved skeletal disease-free survival in multivariate analysis (P = 0.03). CONCLUSIONS: The RANK/RANKL pathway regulated by OPG may have a role in predicting progression and prognosis of breast cancer.
PURPOSE:Receptor activator of nuclear factor kappa-B and its ligand (RANK/RANKL) and Osteoprotegerin (OPG) are key molecules for regulating osteoclastic activity in bone. However, little is known about the role of RANK-related molecules in breast cancer prognosis. We aimed to evaluate RANK, RANKL, and OPG expression and the associated clinical impact in breast cancer. METHODS: Tissue microarray (TMA) from 185 patients with primary breast cancer was established. Immunohistochemistry for RANK, RANKL, and OPG was performed. Clinicopathologic features and survival outcomes associated with expression of RANK, RANKL, and OPG were analyzed. RESULTS: RANK, RANKL, and OPG were expressed in 74.1%, 78.4%, and 45.9% of patients, respectively. RANKL expression was associated with lower Ki-67 level. OPG expression was related to small tumor size, node negativity, and low Ki-67. There was no significant difference in clinicopathologic features between tumors with RANK and those without RANK. RANK expression was significantly associated with poor disease-free survival in univariate analysis (P = 0.04) and multivariate analysis (P = 0.02). RANKL expression was associated with improved skeletal disease-free survival in multivariate analysis (P = 0.03). CONCLUSIONS: The RANK/RANKL pathway regulated by OPG may have a role in predicting progression and prognosis of breast cancer.
Authors: Maria V Deligiorgi; Mihalis I Panayiotidis; John Griniatsos; Dimitrios T Trafalis Journal: Clin Exp Metastasis Date: 2019-10-01 Impact factor: 5.150
Authors: B Beuselinck; J Jean-Baptiste; G Couchy; S Job; A De Reynies; P Wolter; C Théodore; G Gravis; B Rousseau; L Albiges; S Joniau; V Verkarre; E Lerut; J J Patard; P Schöffski; A Méjean; R Elaidi; S Oudard; J Zucman-Rossi Journal: Br J Cancer Date: 2015-10-13 Impact factor: 7.640
Authors: Danja Sarink; Helena Schock; Theron Johnson; Jenny Chang-Claude; Kim Overvad; Anja Olsen; Anne Tjønneland; Patrick Arveux; Agnès Fournier; Marina Kvaskoff; Heiner Boeing; Anna Karakatsani; Antonia Trichopoulou; Carlo La Vecchia; Giovanna Masala; Claudia Agnoli; Salvatore Panico; Rosario Tumino; Carlotta Sacerdote; Carla H van Gils; Petra H M Peeters; Elisabete Weiderpass; Antonio Agudo; Miguel Rodríguez-Barranco; José María Huerta; Eva Ardanaz; Leire Gil; Kay Tee Kaw; Julie A Schmidt; Laure Dossus; Mathilde His; Dagfinn Aune; Elio Riboli; Rudolf Kaaks; Renée T Fortner Journal: BMC Cancer Date: 2018-10-22 Impact factor: 4.430