Myeloperoxidase (MPO)
Here’s what it reflects — and what to do about it.
Longetic pulls together every lab and record you’ve had, follows how Myeloperoxidase (MPO) changes over time, and explains what’s shifting — so you walk into your next appointment prepared, with reminders for retests along the way.
What is Myeloperoxidase (MPO)?
An enzyme released by certain white blood cells that reflects inflammation and oxidative stress.
MPO is an enzyme released by some white blood cells during immune activity, and it is a sign of inflammation and oxidative stress in the body. Higher levels have been associated in research with unstable plaque in the arteries and with a greater risk of cardiovascular events, so it is sometimes used as an add-on inflammation marker. This is an advanced, optional marker and is not included in routine blood work.
What to know about Myeloperoxidase (MPO)
Understanding Myeloperoxidase (MPO) means knowing what it reflects, what tends to move it, and the signs that suggest it’s worth a closer look — so you can bring the right questions to your next appointment.
This glossary entry is for informational purposes only and is not a substitute for professional medical advice. Read our Medical Disclaimer.
References
About our sources
Official sources
Government health agencies, national institutes, and intergovernmental bodies whose guidelines carry regulatory or policy weight.
Clinical / professional
Medical societies, specialty colleges, and professional associations whose consensus statements reflect clinical practice standards.
Peer-reviewed research
Original research articles and systematic reviews published in indexed journals and verified through PubMed or DOI.