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Association of Inflammatory and Insulinemic Potential of Diet and Lifestyle with Risk of Hepatocellular Carcinoma.


ABSTRACT:

Background

We prospectively examined the extent to which greater inflammatory and insulinemic potential of diet and lifestyle are associated with the risk of developing hepatocellular carcinoma (HCC) in two nationwide cohorts.

Methods

Five kinds of pattern scores, including the empirical dietary inflammatory pattern (EDIP), empirical dietary index for hyperinsulinemia (EDIH) and insulin resistance (EDIR), empirical lifestyle pattern score for hyperinsulinemia (ELIH) and insulin resistance (ELIR) were calculated. Multivariable hazard ratios (HR) and 95% confidence intervals (CI) were estimated using Cox regression.

Results

After an average follow-up of 25.6 years among 119,316 participants, 142 incident HCC cases were documented. Higher adherence to EDIP (HR by comparing extreme tertiles: 2.03; 95% CI, 1.31-3.16; P trend = 0.001), EDIH (HR, 1.61; 95% CI, 1.06-2.43; P trend = 0.02), and EDIR (HR, 1.62; 95% CI: 1.08-2.42; P trend = 0.02) was associated with increased risk of HCC. Likewise, participants with higher scores of ELIH (HR, 1.89; 95% CI, 1.25-2.87; P trend = 0.001) and ELIR (HR, 2.05; 95% CI, 1.34-3.14, P trend = 0.0004) had higher risk of developing HCC. Additional adjustment for diabetes mellitus and/or body mass index attenuated the magnitude of the associations, indicating that diabetes and/or adiposity may partly mediate the association of these patterns with HCC risk.

Conclusions

Our findings suggest that inflammation and insulin resistance/hyperinsulinemia are potential mechanisms linking dietary or lifestyle factors and HCC development.

Impact

Inflammation and insulin resistance/hyperinsulinemia may partly mediate the association of diet and other lifestyles with HCC development, and interventions to reduce the adverse effect of pro-inflammatory and hyperinsulinemic diet and lifestyle may reduce HCC risk.

SUBMITTER: Yang W 

PROVIDER: S-EPMC8026660 | biostudies-literature |

REPOSITORIES: biostudies-literature

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