Why bad cholesterol might be making your arteries angry
Oxidized Phospholipids on Lipoprotein(a) Elicit Arterial Wall Inflammation and an Inflammatory Monocyte Response in Humans
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
A type of fat in your blood called Lp(a) carries tiny toxic bits (OxPL) that make your immune cells stay angry for days, even after the danger is gone. These angry cells rush to your artery walls and cause swelling, which can lead to heart attacks.
Surprising Findings
Lp(a) alone—not LDL or HDL—can reprogram monocytes to stay inflamed long-term.
Everyone assumes LDL is the main bad actor in cholesterol-related inflammation. But this study proves Lp(a) has a unique, independent ability to 'train' immune cells like a persistent alarm system.
Practical Takeaways
Ask your doctor for an Lp(a) blood test if you have early heart disease, family history of heart attacks, or unexplained high cholesterol.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
A type of fat in your blood called Lp(a) carries tiny toxic bits (OxPL) that make your immune cells stay angry for days, even after the danger is gone. These angry cells rush to your artery walls and cause swelling, which can lead to heart attacks.
Surprising Findings
Lp(a) alone—not LDL or HDL—can reprogram monocytes to stay inflamed long-term.
Everyone assumes LDL is the main bad actor in cholesterol-related inflammation. But this study proves Lp(a) has a unique, independent ability to 'train' immune cells like a persistent alarm system.
Practical Takeaways
Ask your doctor for an Lp(a) blood test if you have early heart disease, family history of heart attacks, or unexplained high cholesterol.
Publication
Journal
Circulation
Year
2016
Authors
F. M. van der Valk, S. Bekkering, J. Kroon, C. Yeang, J. van den Bossche, J. V. van Buul, A. Ravandi, A. Nederveen, H. Verberne, Corey A. Scipione, M. Nieuwdorp, L. Joosten, M. Netea, M. Koschinsky, J. Witztum, S. Tsimikas, N. Riksen, E. Stroes
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Claims (6)
When a specific type of fatty molecule called OxPL sticks to a protein in your blood called Lp(a), it tricks your immune cells into staying on high alert for a long time, causing inflammation—but if you block that sticky part or change the protein so it can’t hold onto OxPL, the inflammation stops.
People with high levels of a specific fat called lipoprotein(a) have more white blood cells rushing into their artery walls—even if they don’t have visible plaque buildup—making their arteries more prone to inflammation and damage.
People with high levels of a specific fat called Lp(a) in their blood tend to have more inflammation in their artery walls—even if they don’t have plaque buildup—which might mean Lp(a) itself is causing the inflammation.
People with high levels of a fatty substance called lipoprotein(a) have immune cells called monocytes that stay 'on high alert' for days—even after the inflammation is gone—making them overreact and cause more swelling and damage in blood vessels.
People with high levels of a specific blood protein called Lp(a) have way more harmful, oxidized fat molecules stuck to it—about 20 times more—than people with normal levels, and these fats are linked to heart disease.