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Plant sterols/stanols are effective cholesterol-lowering agents. However, it is unclear whether the apolipoprotein E () genetic variants influence it. We investigated whether genetic variants modulate the responses of blood lipids to dietary intervention plant sterols/stanols in adults and if the intervention dose and duration, as well as the age and status of participants, influence this effect. Randomized clinical trials were identified by searching databases in the Cochrane Library. Random-effect models were used to estimate the pooled effect size of each outcome of interest total cholesterol, low-density lipoprotein (LDL) cholesterol, high-density lipoprotein cholesterol, and triglycerides. Meta-regression and subgroup analysis were used to investigate the effects of potential modifiers on the outcomes of interest. Eleven articles were selected from 3,248 retrieved abstracts. Plant sterol/stanol intervention was associated with a more significant reduction in LDL levels in the E3 group [-0.251 mmol/L; 95% confidence interval (95% CI), -0.488 to -0.015] compared with both the E4 and E2 groups. In E4 carriers, the plant sterol/stanol intervention dose and duration resulted in a larger decrease in LDL levels (-0.088027 mmol/L; 95% CI, -0.154690 to -0.021364). In conclusion, genetic variants affected the response of blood LDL levels to supplementation with plant sterols/stanols, as individuals with E3 variant showed significantly decreased LDL levels compared with the other genotypes. However, future studies recruiting participants according to their genetic variants are needed to confirm our conclusion.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10764225 | PMC |
| http://dx.doi.org/10.3746/pnf.2023.28.4.377 | DOI Listing |
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