ArticleOncogene2025
Targeted CRISPR approach reveals an essential role for neuropeptide Y receptor Y5 in Ewing sarcoma extrapulmonary metastasis.
Article in Oncogene, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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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
5 citing papers in PubMed.
- Delayed growth of SK-ES-1 Ewing sarcoma tumor xenografts is associated with reduced Trk and IGF1R pathway markers.Oncotarget · 2026Article
- Neuropeptide Y in cancer metastasis and chemoresistance.Neuropeptides · 2026Review
- TargetingPharmaceuticals (Basel, Switzerland) · 2026Article
- From nerve to bone: a tale of autonomic nervous system, bone cells, and beyond.Military Medical Research · 2026Review
- Integrated Immunotherapy Target Atlas for Ewing Sarcoma.Cancer genomics & proteomicsReview
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Authors and funding
24 authors.
Funding
Abstract
Ewing sarcoma (ES) is a pediatric malignancy that lacks adequate therapies for its metastatic form. These tumors constitutively express neuropeptide Y (NPY) and its Y5 receptor (Y5R), which leads to elevated levels of the peptide in patients' serum. In animal models, xenografts secreting NPY metastasize to extrapulmonary niches, including bone; the phenotype associated with adverse prognosis in ES patients. To determine the role of the NPY/Y5R axis in ES extrapulmonary dissemination, we used a doxycycline-inducible CRISPR/Cas9 system to knockout Y5R in SK-ES-1 xenografts that metastasize to these niches. We have shown that metastases developing from heterogenous SK-ES-1/Y5R-sgRNA primary tumors in doxycycline-treated mice were initiated exclusively by SK-ES-1 clones with a functional NPY5R gene. Similarly, metastasis from wild type SK-ES-1 xenografts was associated with a selection of clones with NPY5R gene gain. In vitro assays identified Y5R-dependent ES cell motility driven by RhoA activation as the mechanism underlying the metastatic effects of NPY. In ES cell lines that secrete NPY, the autocrine NPY/Y5R loop was responsible for maintaining basal cell motility, while ES cells that do not release the peptide responded to the exogenous NPY. These data provide evidence for the crucial role of the NPY/Y5R axis in ES metastasis.
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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.