NewslettersMammary Cell News Exosomal GPT2 Derived from Triple-Negative Breast Cancer Cells Promotes Metastasis by Activating BTRC By Noshin Noorjahan - June 15, 2023 0 BT549 and BT474 cells were cultured and their exosomes were isolated by using ultracentrifugation. Cells migrated through the membrane were stained with crystal violet, and then were observed by microscope. [Thoracic Cancer] Full Article