Science Magazine | AAAS: Science Translational Medicine Follow LTBP4 deficiency induces MRC1+/CD44+ macrophages to drive cancer progression in preclinical colorectal cancer models | Science Translational Medicine LTBP4 deficiency in CRC reprograms macrophages to facilitate metastasis. https://www.science.org/doi/10.1126/scitranslmed.aeb2189 science.org