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. 2020 Sep;15(9):e12648.
doi: 10.1111/ijpo.12648. Epub 2020 May 4.

Increased atherogenic lipoprotein profile in children with non-alcoholic steatohepatitis

Eduardo Castillo-Leon  1 , Margery A Connelly  2 , Juna V Konomi  1 , Shelley Caltharp  3   4 , Rebecca Cleeton  1 , Miriam B Vos  1   4   5
Affiliations

Increased atherogenic lipoprotein profile in children with non-alcoholic steatohepatitis

Eduardo Castillo-Leon et al. Pediatr Obes. 2020 Sep.

Abstract

Background: Non-alcoholic fatty liver disease (NAFLD) has been shown to be an independent risk factor for cardiovascular disease. In adults, histologic severity of non-alcoholic steatohepatitis (NASH) is associated with a more atherogenic profile.

Objective: To assess cardiovascular disease risk by lipoprotein profile in children with NAFLD and compare to histologic assessment of severity.

Methods: Nuclear magnetic resonance lipoprotein profile including lipoprotein particle sizes, apolipoproteins and the lipoprotein insulin resistance (LP-IR) index was measured in serum samples collected from 76 children at the time of a clinically indicated liver biopsy for NAFLD. Liver histology was scored using the NASH Clinical Research Network criteria and grouped into NASH or non-NASH.

Results: Children with NASH had higher apolipoprotein B to apolipoprotein AI, ApoB/ApoAI (0.56 [IQR, 0.45-0.70] vs 0.66 [IQR, 0.56-0.79], P = .02) and higher LP-IR index (61 ± 21.9 vs 68 ± 17.3, P = .05) compared to children with non-NASH. Severity of hepatocyte ballooning was associated with higher ApoB/ApoAI ratios (P = .01), while high-density lipoprotein size was inversely associated with hepatic fat accumulation (P = .04).

Conclusion: While dyslipidaemia is common among children with NAFLD, this data suggests severity of the histologic features is closely associated with severity of cardiometabolic risk. Further studies are needed to understand the role of treatment of NASH in children to prevent future cardiometabolic disease.

Keywords: cardiovascular risk; children; lipoproteins; non-alcoholic fatty liver disease; non-alcoholic steatohepatitis.

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References

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