Reprogramming of tumor-associated macrophages by targeting v-catenin/FOSL2/ARID5A signaling: A potential treatment of lung cancer

Autor: Rajkumar Savai, Stefan Günther, Thorsten Stiewe, Stefan Gattenlöhner, Carste Kuenne, Soni Savai Pullamsetti, Poonam Sarode, Bernhard Brüne, Werner Seeger, Xiang Zheng, Aleksandra Friedrich, Georgios T. Stathopoulos, Andreas Weigert, Friedrich Grimminger, Georgia A. Giotopoulou
Přispěvatelé: Publica
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Zdroj: Science Advances
Sci. Adv. 6:eaaz6105 (2020)
Popis: Targeting β-catenin–dependent gene regulation in macrophages may offer a new immunotherapeutic option in lung cancer.
Tumor-associated macrophages (TAMs) influence lung tumor development by inducing immunosuppression. Transcriptome analysis of TAMs isolated from human lung tumor tissues revealed an up-regulation of the Wnt/β-catenin pathway. These findings were reproduced in a newly developed in vitro “trained” TAM model. Pharmacological and macrophage-specific genetic ablation of β-catenin reprogrammed M2-like TAMs to M1-like TAMs both in vitro and in various in vivo models, which was linked with the suppression of primary and metastatic lung tumor growth. An in-depth analysis of the underlying signaling events revealed that β-catenin–mediated transcriptional activation of FOS-like antigen 2 (FOSL2) and repression of the AT-rich interaction domain 5A (ARID5A) drive gene regulatory switch from M1-like TAMs to M2-like TAMs. Moreover, we found that high expressions of β-catenin and FOSL2 correlated with poor prognosis in patients with lung cancer. In conclusion, β-catenin drives a transcriptional switch in the lung tumor microenvironment, thereby promoting tumor progression and metastasis.
Databáze: OpenAIRE