Cholesterol Precursor & Ferroptosis Protection
- A team led by Professor José Pedro Friedmann Angeli from Würzburg has discovered that 7-dehydrocholesterol (7-DHC), a cholesterol precursor, acts as a crucial antioxidant.The study, published in Nature,...
- The research team included scientists from the Rudolf Virchow Zentrum, Dresden University of Technology, Helmholtz Munich, the University of Ottawa, and the German Cancer Research Center (DKFZ) heidelberg.
- While high cholesterol is often linked to health issues like heart disease and diabetes, this finding opens new avenues for understanding the role of cholesterol precursors.
Scientists have uncovered a surprising property of 7-dehydrocholesterol (7-DHC), a cholesterol precursor: it acts as a powerful antioxidant, protecting cells from ferroptosis. this groundbreaking finding,featured in Nature,shows 7-DHC integrating into cell membranes,safeguarding against this specific type of cell death. Highlighting the dual nature of this cholesterol precursor, this finding offers innovative perspectives on understanding and potentially treating diseases related to ferroptosis. the research reveals that monitoring 7-DHC levels may provide key insights, paving the way for novel treatments and the possible use of existing medications to target cholesterol biosynthesis. News Directory 3 keeps you informed on the latest scientific breakthroughs. With further studies planned to explore 7-DHC’s impact on tumor growth and the effects of related drugs, discover what’s next in the ongoing investigation.
Cholesterol precursor 7-DHC Plays Unexpected Antioxidant Role
Updated June 15, 2025
A team led by Professor José Pedro Friedmann Angeli from Würzburg has discovered that 7-dehydrocholesterol (7-DHC), a cholesterol precursor, acts as a crucial antioxidant.The study, published in Nature, reveals that 7-DHC integrates into cell membranes, protecting cells by preventing ferroptosis, a specific type of cell death.
The research team included scientists from the Rudolf Virchow Zentrum, Dresden University of Technology, Helmholtz Munich, the University of Ottawa, and the German Cancer Research Center (DKFZ) heidelberg.
While high cholesterol is often linked to health issues like heart disease and diabetes, this finding opens new avenues for understanding the role of cholesterol precursors. Monitoring changes in 7-DHC levels could provide insights into various diseases, and drugs that block 7-DHC production may offer benefits when combined with othre cancer treatments.
Friedmann Angeli noted the dual nature of 7-DHC. Previously, 7-DHC accumulation was primarily associated with neurodevelopmental defects. Though, the new research demonstrates that it can enhance cellular fitness and potentially promote aggressive behavior in cancers like Burkitt’s lymphoma and neuroblastoma.
“Until now,the accumulation of 7-DHC was only associated to neurodevelopmental defects,now we show that it actually increases cellular fitness and could promote a more aggressive behavior in cancers such as Burkitt’s lymphoma and neuroblastoma,” said friedmann Angeli.
The protective function of 7-DHC offers opportunities to refine treatments for cancer and other ferroptosis-related diseases. Researchers can now explore potential inhibitors targeting cholesterol biosynthesis, some of which are already used in medical practise.
“It gives us new opportunities to test potential inhibitors that target cholesterol biosynthesis and are already established in medical practice,” friedmann Angeli said.
What’s next
Friedmann Angeli’s team plans to investigate the effects of 7-DHC accumulation during tumor growth. The researchers also advocate for further epidemiological studies, especially concerning drugs like trazodone, which can inhibit the DHCR7 enzyme and elevate plasma levels of 7-DHC. Trazodone is commonly prescribed for insomnia in the U.S., with approximately 20 million prescriptions annually.