Some Brain Cells May Help to Fuel Cancer Metastasis - Cancer Currents Blog National Cancer Institute sent this bulletin at 11/21/2019 10:31 AM EST Having trouble viewing this email? View it as a Web page. You are subscribed to Cancer Currents: An NCI Cancer Research Blog from the National Cancer Institute. Recent posts are listed below. Some Brain Cells May Help to Fuel Cancer Metastasis 11/21/2019 Brain cells called astrocytes can activate PPAR-gamma, a growth protein in cancer cells that helps them gain a foothold in the brain, a new study shows. The findings suggest that drugs that block PPAR-gamma activity may help treat brain metastases.