ArticleJCI insight2024
SNRNP70 regulates the splicing of CD55 to promote osteosarcoma progression.
Article in JCI insight, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Evolution of Recurrent Myxofibrosarcoma of the Thoracic Wall at Single-Cell Resolution: A Case Report.International journal of molecular sciences · 2026Article
- Trogocytosis in cancer immunity and cellular immunotherapy: mechanisms, therapeutic challenges, and translational opportunities.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2026Review
- Effect of Osteoblast-Derived Extracellular Vesicles on Osteosarcoma Cells' Transcriptional Profile: Role of Shuttled miRNAs.Biomedicines · 2026Article
- Harnessing food cue evoked neuroimaging towards treatment optimisation for obesity and binge eating disorder.Reviews in endocrine & metabolic disorders · 2026Review
- Deciphering the malignant synergy: metabolic reprogramming, epigenetic circuitry, and niche remodeling in osteosarcoma-macrophage crosstalk.Frontiers in immunology · 2026Review
- The Key Role of Somatostatin Neurons in the Suprachiasmatic Nucleus in Anxiety-Depression Comorbidity Following Sleep Deprivation.Molecular neurobiology · 2025Article
- Alternative Splicing: A Critical Regulator in Human Bone Biology and Tumor Progression.Research (Washington, D.C.) · 2025Review
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Authors and funding
12 authors.
Funding
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Abstract
Osteosarcoma (OS) is the most common malignant bone tumor, characterized by a high propensity for metastasis. Recent studies have highlighted the role of alternative splicing in cancer metastasis, although the precise mechanisms underlying aberrant splicing in OS invasion and metastasis remain unclear. Here, we analyzed consistently differentially expressed genes and differentially alternative splicing events between primary and metastatic OS to identify potential genes associated with OS progression. U1 small nuclear ribonucleoprotein 70K (SNRNP70) emerged as both differentially expressed and spliced, with elevated SNRNP70 levels correlating with poor prognosis in pateints with OS. Functional experiments demonstrated that SNRNP70 overexpression enhanced the proliferation and metastasis of OS cells in vitro, while its depletion reduced these capabilities in vivo. Mechanistically, SNRNP70 directly interacted with CD55, modulating its alternative splicing and promoting tumor progression in OS. Additionally, metastatic OS samples exhibited increased infiltration of resting immune cells, and single-cell RNA sequencing revealed communication between SNRNP70-expressing osteoblastic cells and macrophages via the ADGRE5/CD55 signaling pathway. Overall, our results showed that SNRNP70 knockdown inhibited OS progression, which was associated with the splicing of CD55, indicating SNRNP70 as a promising target for OS treatment.
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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 OpenQuestion graph.