DASH diet protein findings offer clues about cholesterol changes
An analysis of feeding trials linked certain blood proteins with cholesterol changes, without proving that the proteins caused those changes.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
Researchers identified proteins whose relationships with cholesterol changes differed between the diet groups. The reported associations ran toward lower cholesterol in DASH groups and higher cholesterol in control groups. This may help frame questions about how the diet works, but it does not establish that changing these proteins would lower cholesterol.
The abstract omits participant characteristics, study duration and units for the association estimates. It reports blood measurements rather than heart attacks or other clinical events, so it cannot establish an effect on those outcomes.
The mechanism question
The analysis asked about possible mechanisms behind changes in LDL and non-HDL cholesterol. It examined whether the relationship between particular proteins and cholesterol changes differed according to which diet participants received.
Associations within a trial
Random assignment helps compare the diets, but the protein–cholesterol relationships remain associations within those trials. The abstract also discusses proteins related to inflammation and a biological pathway, without demonstrating a causal chain from protein change to cholesterol change.
The original publication
Serum proteins associated with LDL-C and non-HDL-C reduction in response to dietary interventions in the DASH and DASH-Sodium trials.
Kim H, Lichtenstein AH, Coresh J et al.
Food Funct · 2025
- PubMed ID
- 41143495
- Record checked
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