Publications by authors named "Haksier Ehedego"

Chronic liver injury triggers liver fibrosis and hepatocellular carcinoma (HCC), the third leading cause of cancer-related mortality. Cyclin E1 (CcnE1, formerly designated Cyclin E) is a regulatory subunit of the Cyclin-dependent kinase 2 (CDK2). It is overexpressed in approximately 70% of human HCCs correlating with poor prognosis, while the relevance of its orthologue Cyclin E2 (CcnE2) is unclear.

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Genetic mouse studies suggest that the NF-κB pathway regulator NEMO (also known as IKKγ) controls chronic inflammation and carcinogenesis in the liver. However, the molecular mechanisms explaining the function of NEMO are not well defined. Here, we report that overexpression of the cell-cycle regulator p21 is a critical feature of liver inflammation and carcinogenesis caused by the loss of NEMO.

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Background & Aims: The transcription factor nuclear factor κB (NF-κB) is activated by the IκB kinase complex. The regulatory subunit of this complex, NF-κB essential modifier (NEMO or IKBKG), is a tumor suppressor. Hepatocyte-specific deletion of NEMO induces chronic liver inflammation that leads to apoptosis, oxidative stress, development of nonalcoholic steatohepatitis, and hepatocarcinogenesis.

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Background: Hepatocyte-specific NEMO/NF-κB deleted mice (NEMO(Δhepa)) develop spontaneous non-alcoholic steatohepatitis (NASH). Free fatty acids and bile acids promote DR5 expression. TRAIL/NK cell-mediated activation of TRAIL-R2/DR5 plays an important role during acute injury in NEMO(Δhepa) mice.

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