Association between remnant lipoprotein cholesterol levels and non-alcoholic fatty liver disease in adolescents

Justin Chin, Trevor A. Mori, Leon A. Adams, Lawrence J. Beilin, Rae-Chi Huang, John K. Olynyk, Oyekoya T. Ayonrinde

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13 Citations (Scopus)
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Background: The incidence of nonalcoholic fatty liver disease (NAFLD) is rising in adolescents and young adults. NAFLD is a risk factor for incident cardiovascular disease. NAFLD is associated with obesity, insulin resistance and atherogenic dyslipidaemia (hypertriglyceridaemia, low serum levels of high density lipoprotein cholesterol [HDL‐C] and raised levels of low density lipoprotein [LDL‐C]). Remnant lipoprotein cholesterol (RLP‐C) is a novel risk factor for atherosclerotic cardiovascular disease that has recently been associated with increased risk of NAFLD. There is a paucity of data relating RLP‐C with NAFLD in adolescents. We aimed to (a) examine associations between RLP‐C and NAFLD and (b) determine if RLP‐C is an independent risk factor for NAFLD beyond insulin resistance in adolescents. Methods: Population‐based adolescents aged 17 years in the Raine Study (n=1170) participated in a cross‐sectional followup including health and lifestyle questionnaires and physical assessments. Abdominal ultrasound was used to examine the presence and severity of hepatic steatosis, abdominal subcutaneous adipose thickness (SAT) and visceral adipose thickness (VAT). Serum from fasting venous blood was tested for HDL‐C, triglycerides, alanine aminotransferase (ALT), aspartate aminotransferase (AST), gamma glutamyl transpeptidase (GGT), glucose, insulin, leptin and adiponectin. LDL‐C and homeostasis model assessment for insulin resistance (HOMA‐IR) were computed. RLP‐C was calculated as total cholesterol minus LDL‐C and HDL‐C. Presence of metabolic syndrome was determined. Results: NAFLD was diagnosed in 176/1170 (15.1%) adolescents. Adolescents with NAFLD had higher RLP‐C than adolescents without NAFLD (mean [SD] 0.55 [0.28] vs. 0.47 [0.24] mmol/L). RLP‐C levels increased with steatosis severity (Figure 1). RLP‐C was negatively correlated with serum adiponectin but positively correlated with serum leptin, insulin, hsCRP, ALT and GGT, systolic and diastolic BP, and all measures of general and subcutaneous adiposity (p
Original languageEnglish
Article number100150
JournalJHEP Reports
Issue number6
Publication statusPublished - Dec 2020


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