ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2025
Lactate Activates the HCAR1/β-Arrestin2/PP2A Signaling Axis to Mediate STAT1/2 Dephosphorylation and Drive Osteosarcoma Progression.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 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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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed.
- Lactate metabolism and protein lactylation in inflammatory and tumor microenvironments.Molecular biomedicine · 2026Review
- The emerging role of lactate in skeletal homeostasis and disorders: Integrated mechanisms and translational opportunities.Journal of orthopaedic translation · 2026Review
- SENP5 enhances antiviral innate immunity by promoting AURKA-dependent STAT2 phosphorylation.Cell communication and signaling : CCS · 2026Article
- CAF-derived BHB modulates FXR1-Kbhb and NK-cell lipid metabolism in osteosarcoma.International journal of biological sciences · 2026Article
- Dual roles of lactate and lactylation modification in the nervous system: neuroprotection and neuroinjury.Frontiers in aging neuroscience · 2026Review
- Lactate Activates the HCAR1/β-Arrestin2/PP2A Signaling Axis to Mediate STAT1/2 Dephosphorylation and Drive Osteosarcoma Progression.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
Corrections and comments
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Authors and funding
27 authors.
Funding
Abstract
The "Warburg effect", a hallmark of Osteosarcoma(OS), results in lactate accumulation due to aerobic glycolysis. The role and underlying mechanisms of lactate in OS are not well understood. Herein, the lactate-activated hydroxycarboxylate receptor 1(HCAR1) is found to promote OS progression via inhibiting the transcription of anti-oncogene downstream of STAT1/2. The phosphorylation level of STAT1/2 holds considerable significance for transcriptional activity. In this study, protein phosphatase 2A(PP2A) is identified as the tyrosine phosphatase of STAT1/2. Lactate-activated HCAR1, facilitating PP2A interaction with phosphorylated STAT1/2 via β-Arrestin 2, resulting in STAT1/2 dephosphorylation, a key process linked to the aggressive behavior of OS. Using PP2A inhibitor Endothall can abolish the dephosphorylation effect of HCAR1 on STAT1/2, inhibit cancer cell proliferation, migration, and cell cycle, and promote apoptosis. Moreover, the combination of Endothall and Cisplatin is high synergistic in treating OS. In conclusion, the study elucidates the pro-oncogenic role of lactate-activated HCAR1 in OS.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.