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Toxin-Secreting Stem Cells May Destroy Brain Tumors From Inside Out

• arclein

Against certain kinds of blood cancers, cytotoxins are pretty successful. But when it comes to defeating solid tumors, especially those in the brain, these poisons don't always measure up. "Many of these drugs have a short half-life, there's inadequate distribution throughout the tumor, plus delivery to the brain is difficult because of the existing blood brain barrier," Dr. Khalid Shah, neuroscientists and lead researcher on the study, tells Popular Science. This means that simply injecting cytotoxins into the body won't cut it for killing brain tumors, and efforts to inject cytotoxins directly into brain tumors have failed in the past.

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