Tubes stretching from glioblastoma (GBM) brain tumour cells and brain cells called astrocytes make a connection through which the cell energy source organelles mitochondria pass. In this study, GBM cells are shown to send damaged mitochondria to astrocytes which they degrade by mitophagy, while astrocytes send their mitochondria to the tumour cells which stir their activity and metabolism. The same characteristics are seen in a live mouse model as in the cultured cell experiments and the team propose the mitochondrial transfers are a tumour adaptation that could be targeted
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