apo A-IV

apo A-IV

A gene that encodes apo A-IV; allelic polymorphism in apo A-IV results in the substitution of histidine for glutamine at position 360 near the COOH terminus, generating the isoform apo IV-2, which attenutates the hypercholesterolemic response to dietary cholesterol. See Apolipoprotein A-IV.
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The are labeled Apo A-I, Apo A-II, Apo A-IV, Apo B-100, Apo B-48, Apo C-1, Apo C-II, Apo C-III, Apo E and Apo(a).
Lipoproteins and chronic obstructive pulmonary disease
Within the plasma compartment, apo A-IV dissociates from chylomicrons (4) and associates with HDL, triglyceride-rich lipoproteins, and the lipoprotein-free fraction (5).
Apo A-IV is influenced by dietary intervention, and a low-fat, low-cholesterol diet (NCEP Step II diet) and is able to decrease apo A-IV secretion rates significantly (6).
Apolipoprotein A-IV in the fed and fasting states
Other apolipoprotein species found in HDL particles include apo A-II, apo A-IV, apo CI, apo CIII, and apo E.
Rapid, simple laser-light-scattering method for HDL particle sizing in whole plasma
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