S100A4 enhances protumor macrophage polarization by control of PPAR-γ-dependent induction of fatty acid oxidation ================================================================================================================== * Shuangqing Liu * Huilei Zhang * Yanan Li * Yana Zhang * Yangyang Bian * Yanqiong Zeng * Xiaohan Yao * Jiajia Wan * Xu Chen * Jianru Li * Zhaoqing Wang * Zhihai Qin