ArticleAnnals of hematology2024
USF2 promotes autophagy and proliferation in chronic lymphocytic leukemia by inhibiting STUB1-induced NFAT5 ubiquitination.
Article in Annals of hematology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 7 citations in OpenAlex.
- Crosstalk Between Autophagy and Oxidative Stress in Hematological Malignancies: Mechanisms, Implications, and Therapeutic Potential.Antioxidants (Basel, Switzerland) · 2025Review
- NFAT5: a stress-related transcription factor with multiple functions in health and disease.Cell stress · 2025Review
- USF2 and TFEB compete in regulating lysosomal and autophagy genes.Nature communications · 2024Article
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Chronic lymphocytic leukemia (CLL) mainly affects the health of older adults and is difficult to cure. Upstream stimulatory factor 2 (USF2) has been implicated in several diseases and conditions including cancers. However, the effect of USF2 on CLL has not been elucidated. To investigate the effect of USP2 on proliferation and autophagy of CLL, and to explore the underlying mechanism. The mRNA of USF2 and STIP1 homology and U-Box containing protein 1 (STUB1) was analyzed using qRT-PCR. Western blots were used to evaluate the expression level of USF2, LC3II, Beclin-1, P62, STUB1, and NFAT5. The cell proliferation was evaluated using CCK-8 and EdU assays. The cell apoptosis was evaluated using flow cytometry. Indirect fluorescent assay (IFA) was performed to analyze LC3 signal. Nuclear factor of activated T-cells 5 (NFAT5) ubiquitination was detected using immunoprecipitation (IP) assay. The CLL progression was evaluated in xenotransplantation model of nude mice. USF2 was highly expressed in CLL tissues and cell lines. USF2 knockdown suppressed the cell viability and EdU incorporation, while promoting cell apoptosis. Meanwhile, USF2 knockdown reduced the level of LC3II and Beclin-1, but increased P62, illustrating USF2 knockdown inhibiting autophagy. USF2 induced NFAT5 ubiquitination and promoted NFAT5 protein level via repressing STUB1. The downregulation of USF2 weakened CLL progression in xenotransplantation model of nude mice. CLL survival and autophagy was dependent on highly expressed USF2 which promoted the expression and ubiquitination of NFAT5 through inhibiting the transcription of STUB1, which makes USF2 a promising therapeutic candidate for CLL treatment.
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Registered trials
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