Hi everyone. Quick question that keeps bugging me:
I have been looking around for this quite a while but could not find a conclusive answer. My biochemistry textbook mentions the only way triglycerides get into the blood are via lipoproteins and chylomicrons.
When we run a blood panel and get a measure of triglycerides, are these free TAG in he blood or are these the TAG inside the lipoproteins?
asked byMartinho (10)
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on May 25, 2012
at 05:03 PM
I don't think there can be free triglycerides in the blood as they are not water soluble. They would coalesce. They have to be packaged up in lipoproteins to be transported in the blood.
I think that triglycerides in the blood are inside chylomicrons and VLDL. That must be what they are measuring.
That's just what I gathered from watching this excellent talk by Tracy Fulton of the UCSF Department of Biochemistry and Biophysics: Cholesterol and other Lipids in Your Blood.
on December 09, 2011
at 04:21 AM
dont forget triglycerides are also transported by albumin. i supect the chylomicrons rub off on the serum albumin in a dymanic equalibrium. Serum trigs are the stated measurment that implies its mearuring all trigs bound and unbound.