Key result
Hepatocyte-specific apoE deletion in mice impaired VLDL production and exacerbated diet-induced dyslipidemia and hepatic steatosis, while adipocyte-specific deletion did not reproduce the lean phenotype of global apoE deficiency.
Population
Transgenic mice carrying homozygous floxed Apoe alleles, with tissue-specific deletion of apoE in…
Comparison
Experimental diets vs Control mice on the same diets
Design
Preclinical
Authors
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May inform tissue-targeted apoE strategies in metabolic disease; leaves open human translation and clinical relevance.
Hepatocyte-derived apoE is essential for VLDL production and preventing diet-induced dyslipidemia, while adipocyte-derived apoE does not drive the adipose phenotype seen in global apoE deficiency.
Wagner et al. (2015) studied Hypercholesterolemia and Diet-Induced Obesity. Tissue-specific apoE deletion (ApoeΔHep or ApoeΔAT) vs. Littermates carrying homozygous floxed Apoe alleles without Cre recombinase was evaluated on Plasma cholesterol, liver steatosis, and body weight. Hepatocyte-specific apoE deletion in mice impaired VLDL production and exacerbated diet-induced dyslipidemia and hepatic steatosis, while adipocyte-specific deletion did not reproduce the lean phenotype of global apoE deficiency.
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