NewslettersEndothelial Cell News Active Remodeling of Capillary Endothelium via Cancer Cell-Derived MMP9 Promotes Metastatic Brain Colonization By Noshin Noorjahan - January 23, 2023 0 Using ultrastructural and functional imaging, researchers demonstrated that dynamic changes of activated brain microcapillaries promoted the mandatory first steps of brain colonization. [Cancer Research] Abstract