ArticleCellular and molecular gastroenterology and hepatology2022
Targeting USP9X-AMPK Axis in ARID1A-Deficient Hepatocellular Carcinoma.
Article in Cellular and molecular gastroenterology and hepatology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 47 citations in OpenAlex.
- The role of histone demethylase PHF2 as a tumour suppressor in hepatocellular carcinoma by regulating SRXN1.Oncogenesis · 2026Article
- USP9X Promotes Hepatocellular Carcinoma Progression via Stabilization of HSP90AA1.Journal of hepatocellular carcinoma · 2026Article
- AMPK at the interface of nutrient sensing, metabolic flux and energy homeostasis.Nature metabolism · 2026Review
- Effect of deubiquitinases in head and neck squamous cell carcinoma (Review).Oncology letters · 2025Review
- Opening and changing: mammalian SWI/SNF complexes in organ development and carcinogenesis.Open biology · 2024Review
- Role of deubiquitinase JOSD2 in the pathogenesis of esophageal squamous cell carcinoma.World journal of gastroenterology · 2024Article
- Identification of a DNA damage repair-related LncRNA signature for predicting the prognosis and immunotherapy response of hepatocellular carcinoma.BMC genomics · 2024Article
- ARID1A deficiency promotes progression and potentiates therapeutic antitumour immunity in hepatitis B virus-related hepatocellular carcinoma.BMC gastroenterology · 2024Article
- ARID1A loss activates MAPK signaling via DUSP4 downregulation.Journal of biomedical science · 2023Article
- Identification and characterization of ARID1A-interacting proteins in renal tubular cells and their molecular regulation of angiogenesis.Journal of translational medicine · 2023Article
- ARID1A Inactivation Increases Expression of circ0008399 and Promotes Cisplatin Resistance in Bladder Cancer.Current medical science · 2023Article
- Review
- The somatic mutational landscape and role of the ARID1A gene in hepatocellular carcinoma.Heliyon · 2023Article
- ARID2 mitigates hepatic steatosis via promoting the ubiquitination of JAK2.Cell death and differentiation · 2023Article
- The crosstalk among the physical tumor microenvironment and the effects of glucose deprivation on tumors in the past decade.Frontiers in cell and developmental biology · 2023Review
- Regulation of apoptosis by ubiquitination in liver cancer.American journal of cancer research · 2023Review
- Treating ARID1A mutated cancers by harnessing synthetic lethality and DNA damage response.Journal of biomedical science · 2022Review
- Research Progress of DUB Enzyme in Hepatocellular Carcinoma.Frontiers in oncology · 2022Review
- Targeting the Metabolic Vulnerability of ARID1A-Deficient Hepatocellular Carcinoma.Cellular and molecular gastroenterology and hepatology · 2022Article
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22 authors at 6 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND &
aimsHepatocellular carcinoma (HCC) is a highly heterogeneous solid tumor with high morbidity and mortality. AT-rich interaction domain 1A (ARID1A) accounts for up to 10% of mutations in liver cancer, however, its role in HCC remains controversial, and no targeted therapy has been established.
methodsThe expression of ARID1A in clinical samples was examined by Western blot and immunohistochemical staining. ARID1A was knocked out by Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR)/CRISPR-associated protein 9 (Cas9) in HCC cell lines, and the effects of glucose deprivation on cell viability, proliferation, and apoptosis were measured. Mass spectrometry analysis was used to find ARID1A-interacting proteins, and the result was verified by co-immunoprecipitation and Glutathione S Transferase (GST) pull-down. The regulation of ARID1A target gene USP9X was investigated by chromatin immunoprecipitation, Glutathione S Transferase (GST) pull-down, luciferase reporter assay, and so forth. Finally, drug treatments were performed to explore the therapeutic potential of the agents targeting ARID1A-deficient HCC in vitro and in vivo.
resultsOur study has shown that ARID1A loss protected cells from glucose deprivation-induced cell death. A mechanism study disclosed that AIRD1A recruited histone deacetylase 1 via its C-terminal region DUF3518 to the promoter of USP9X, resulting in down-regulation of USP9X and its target protein kinase AMP-activated catalytic subunit α2 (PRKAA2). ARID1A knockout and a 1989∗ truncation mutant in HCC abolished this effect, increased the levels of H3K9 and H3K27 acetylation at the USP9X promoter, and up-regulated the expression of USP9X and protein kinase AMP-activated catalytic subunit α2 (PRKAA2), which mediated the adaptation of tumor cells to glucose starvation. Compound C dramatically inhibited the growth of ARID1A-deficient tumors and prolongs the survival of tumor-bearing mice.
conclusionsHCC patients with ARID1A mutation may benefit from synthetic lethal therapy targeting the ubiquitin-specific peptidase 9 X-linked (USP9X)-adenosine 5'-monophosphate-activated protein kinase (AMPK) axis.
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