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Apolipoprotein E (ApoE) plays an important role in regulating lipid and lipoprotein metabolism, and ApoE genotypes are known to affect plasma lipoprotein concentrations. We investigated whether ApoE genotype determines the disease outcome in hepatitis B virus (HBV)-infected individuals, and verified the association between ApoE genotype and the occurrence of hepatocellular carcinoma (HCC) in patients with chronic liver diseases of various etiologies.
This hospital-based, case-controlled study enrolled 156 subjects (47 healthy controls, 50 HBV-related liver cirrhosis patients, and 59 HCC patients). ApoE genotypes were determined using PCR-based ApoE genotyping kits. The biological significance of ApoE genotype was verified by measuring serum ApoE levels using an ELISA kits.
The ε3 allele was the most common allele, with allele frequencies among the entire cohort of 5.8%, 84.3%, and 9.9% for the ε2, ε3, and ε4 alleles, respectively. Significantly more of those patients carrying the ε3/3 genotype had developed liver cirrhosis compared to the control subjects. Being an ApoE4 carrier was associated with a lower probability of developing liver cirrhosis. The allele frequencies and genotype distribution of ApoE did not differ significantly between the liver cirrhosis and HCC patients. The serum level of ApoE was significantly higher in patients with liver cirrhosis than in the healthy controls, but did not differ significantly with the ApoE genotype.
The ApoE ε3/3 genotype frequency was higher in patients with HBV-associated liver cirrhosis than in the controls.
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Hepatitis A virus (HAV) infections occur predominantly in children, and are usually self-limiting. However, 75-95% of the infections in adults are symptomatic (mostly with jaundice), with the illness symptoms usually persisting for a few weeks. Atypical manifestations include relapsing hepatitis, prolonged cholestasis, and complications involving renal injury. Drug rash with eosinophilia and systemic symptoms (DRESS) syndrome is a severe, drug-induced hypersensitivity reaction characterized by skin rash, fever, lymph-node enlargement, and internal organ involvement. We describe a 22-year-old male who presented with acute kidney injury and was diagnosed with prolonged cholestatic hepatitis A. The patient also developed DRESS syndrome due to antibiotic and/or antiviral treatment. To our knowledge, this is the first report of histopathologically confirmed DRESS syndrome due to antibiotic and/or antiviral treatment following HAV infection with cholestatic features and renal injury.
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This is a case report of a 68-year-old man with hepatocellular carcinoma (HCC) accompanied by hereditary hemorrhagic telangiectasia (HHT), also known as Osler-Weber-Rendu disease, and hepatic vascular malformation. HHT is an autosomal dominant disorder of the fibrovascular tissue that is characterized by recurrent epistaxis, mucocutaneous telangiectasias, and visceral arteriovenous malformations. HHT is caused by mutation of the genes involved in the signaling pathway of transforming growth factor-β, which plays an important role in the formation of vascular endothelia. Hepatic involvement has been reported as occurring in 30-73% of patients with HHT. However, symptomatic liver involvement is quite rare, and the representative clinical presentations of HHT in hepatic involvement are high-output heart failure, portal hypertension, nodular regenerative hyperplasia, and symptoms of biliary ischemia. Some cases of HCC in association with HHT have been reported, but are very rare. We present herein the characteristic radiologic and genetic findings of HHT that was diagnosed during the evaluation and treatment of HCC.
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