Journal
INTERNATIONAL JOURNAL OF CANCER
Volume 135, Issue 4, Pages 989-995Publisher
WILEY-BLACKWELL
DOI: 10.1002/ijc.28719
Keywords
arsenic trioxide; rhabdoid tumors; Sonic hedgehog; Gli1
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Funding
- IZKF Munster
- Sonja Wasowicz-Stiftung
- Gesellschaft fur KinderKrebsForschung
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Rhabdoid tumors are highly aggressive tumors occurring in infants and very young children. Despite multimodal and intensive therapy prognosis remains poor. Molecular analyses have uncovered several deregulated pathways, among them the CDK4/6-Rb-, the WNT- and the Sonic hedgehog (SHH) pathways. The SHH pathway is activated in rhabdoid tumors by GLI1 overexpression. Here, we demonstrate that arsenic trioxide (ATO) inhibits tumor cell growth of malignant rhabdoid tumors in vitro and in a mouse xenograft model by suppressing Gli1. Our data uncover ATO as a promising therapeutic approach to improve prognosis for rhabdoid tumor patients.
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