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Combination therapy with radiation shows promise in treating glioblastoma

FINDINGS In a study of mice, researchers at the UCLA Jonsson Comprehensive Cancer Center have identified a new approach that combines an anti-psychotic drug, a statin used to lower high cholesterol levels, and radiation to improve the overall survival in mice with glioblastoma. Glioblastoma is one of the deadliest and most difficult-to-treat brain tumors. Researchers found the triple combination extended the median survival 4-fold compared to radiation alone. BACKGROUND Radiation therapy is part of the standard-of-care treatment regimen for glioblastoma, often helping prolong the survival of patients. However, survival times have not improved significantly over the past two decades and attempts to improve the efficacy of radiotherapy through the use of pharmaceuticals have been hampered by the normal tissue toxicity of the drugs and the inability to penetrate the blood-brain barrier.

High-Throughput Mitochondria Transfer Device Developed

High-Throughput Mitochondria Transfer Device Developed December 31, 2020 Source: SCIEPRO/SCIENCE PHOTO LIBRARY/Getty Images Researchers from the UCLA Jonsson Comprehensive Cancer Center say have developed a simple, high-throughput method for transferring isolated mitochondria and their associated mitochondrial DNA into mammalian cells. This approach enables researchers to tailor a key genetic component of cells, to study and potentially treat debilitating diseases such as cancer, diabetes, and metabolic disorders. Cell Reports, and it describes how the new UCLA-developed device, called MitoPunch, transfers mitochondria into 100,000 or more recipient cells simultaneously, which is a significant improvement from existing mitochondrial transfer technologies. The device is part of the continued effort by UCLA scientists to understand mutations in mitochondrial DNA by developing controlled, manipulative approaches that improve the function of human cells or model human mitochondrial

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