Researchers in Melbourne are developing a new class of cancer drugs designed to break through the blood-brain barrier, overcoming a protective shield that blocks roughly 98 percent of cancer drugs from reaching brain tissue, according to a statement released by Australia’s Walter and Eliza Hall Institute of Medical Research (WEHI).
Government Funding Backs WEHI Brain Cancer Project
The national research project has secured 18.8 million Australian dollars, translating to about 13.54 million U.S. dollars, in government funding. According to WEHI, the initiative aims to tackle one of the biggest barriers to brain cancer treatment by delivering therapeutic molecules past the strict physiological barrier that maintains the brain’s overall health by preventing toxins and infections from passing through.
Did You Know?
Roughly 98 percent of cancer therapies are prevented from entering brain tissue by the blood-brain barrier, which plays a vital role in keeping the brain healthy overall.
Hijacking Natural Nutrient Delivery Pathways
To bypass this defense system, scientists plan to exploit the brain’s own transport mechanisms. According to lead investigator Associate Professor Jim Whittle, a WEHI laboratory head, researchers will “hijack” the blood-brain barrier’s natural nutrient delivery pathways to “smuggle cancer-killing molecules into the brain.”
Glucose and iron are among the vital nutrients that the brain’s bloodstream transport systems naturally carry to various areas.
Targeting High-Grade Gliomas in Adults and Children
Whittle noted that this method might facilitate the creation of a novel category of brain-penetrating therapeutics while also providing a chance to evaluate prior cancer medications that previously failed to penetrate the brain.
Initial efforts by the research group will focus on high-grade gliomas, specifically including adult glioblastoma and pediatric diffuse midline glioma, as stated by the investigators.
Pro Tip for Readers
When tracking neuro-oncology advancements, watch for updates regarding preclinical drug repurposing trials, as researchers frequently test failed compounds against new delivery mechanisms.
Frequently Asked Questions
What is the blood-brain barrier?
WEHI describes it as a defensive barrier that carefully regulates entry into the brain to stop infections and toxins from getting through, while turning away approximately 98 percent of cancer treatments from brain tissue, a process vital for preserving general brain wellness.
How much funding did the WEHI project receive?
The national project has received 18.8 million Australian dollars (about 13.54 million U.S. dollars) in government funding.
Which specific cancers are researchers targeting first?
Initial efforts by the research group will focus on high-grade gliomas, specifically including adult glioblastoma and pediatric diffuse midline glioma, as stated by the investigators.
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