How a natural compound helps lower bad cholesterol
Inhibition of PCSK9 Transcription by Berberine Involves Down-regulation of Hepatic HNF1α Protein Expression through the Ubiquitin-Proteasome Degradation Pathway*
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Berberine, a plant compound, tricks the liver into breaking down a protein called HNF1α, which normally tells the liver to make a blocker of cholesterol removal. Less blocker means more cholesterol gets cleaned up.
Surprising Findings
Berberine doesn’t activate the proteasome globally—it only targets HNF1α for destruction.
Most people assume natural compounds work by broadly boosting or blocking systems—this one is like a sniper, not a bomb. It doesn’t increase overall proteasome activity, just selectively tags HNF1α.
Practical Takeaways
Consider berberine as a complementary support for LDL management under medical supervision, especially if statins aren’t enough or cause side effects.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Berberine, a plant compound, tricks the liver into breaking down a protein called HNF1α, which normally tells the liver to make a blocker of cholesterol removal. Less blocker means more cholesterol gets cleaned up.
Surprising Findings
Berberine doesn’t activate the proteasome globally—it only targets HNF1α for destruction.
Most people assume natural compounds work by broadly boosting or blocking systems—this one is like a sniper, not a bomb. It doesn’t increase overall proteasome activity, just selectively tags HNF1α.
Practical Takeaways
Consider berberine as a complementary support for LDL management under medical supervision, especially if statins aren’t enough or cause side effects.
Publication
Journal
The Journal of Biological Chemistry
Year
2014
Authors
B. Dong, Hai Li, A. Singh, Aiqin Cao, Jingwen Liu
Related Content
Claims (6)
Berberine, a natural compound, helps your liver remove more 'bad' cholesterol from your blood by making it keep more of the receptors that grab cholesterol—kind of like a weaker version of expensive cholesterol drugs.
Berberine, a natural compound, helps lower bad cholesterol in mice and hamsters by turning down a protein (HNF1α) that normally tells the liver to make more PCSK9 — when PCSK9 drops, the liver keeps more LDL receptors to mop up cholesterol from the blood.
Berberine, a natural compound, tricks liver cancer cells into tagging a specific protein (HNF1α) with a 'destroy me' label, causing the cell’s internal garbage disposal system to break it down—this was shown by seeing the tag appear and stopping the destruction when the garbage system was blocked.
Berberine, a natural compound, doesn’t turn up the whole cellular garbage disposal system, but instead tricks the cell into specifically throwing out one particular protein (HNF1α) by sending it a special signal—like a targeted delete command instead of a full clean-out.
When scientists block a cellular cleanup system in liver cancer cells, they see more of two proteins (HNF1α and PCSK9) and less of another (LDL receptor), which suggests that this cleanup system normally keeps these proteins in check—and by messing with it, they can change how the body handles bad cholesterol.