NIH R01 · 2024
Telomere dysfunction and telomerase reactivation in the etiology and progression of liver cancer
PROJECT SUMMARY/ABSTRACT Mutations in telomerase and telomere attrition are major risk factors for liver fibrosis and its progression to hepatocellular carcinoma (HCC). However, due to a lack of adequate models and intrinsic difficulties in studying human telomerase in physiologically relevant cells, the molecular mechanisms responsible for liver fibrosis and cancer in settings of DNA damage arising from short telomeres remain elusive. While telomerase knockout mice corroborate the importance of telomere maintenance and DNA repair for liver function, the molecular mechanisms that govern liver abnormalities in patients with damaged telomeres are still unknown. Likewise, the specific…
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