Publications by authors named "Claire X Sun"

Article Synopsis
  • Diffuse midline glioma (DMG), particularly DIPG, is a fatal brain tumor with no effective treatments, but recent studies identified PIK3CA and MTOR as promising targets for therapy.
  • The research demonstrates that combining the PI3K/Akt/mTOR inhibitor paxalisib with the antihyperglycemic drug metformin and the PKC inhibitor enzastaurin can enhance treatment efficacy and prolong survival in animal models.
  • Advanced techniques like spatial transcriptomics and ATAC-Seq were used to evaluate the effects on tumor biology, revealing significant changes that could support a clinically relevant combination therapy for DIPG.
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Pediatric solid and central nervous system tumors are the leading cause of cancer-related death among children. Identifying new targeted therapies necessitates the use of pediatric cancer models that faithfully recapitulate the patient's disease. However, the generation and characterization of pediatric cancer models has significantly lagged behind adult cancers, underscoring the urgent need to develop pediatric-focused cell line resources.

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An important component of research using animal models is ensuring rigor and reproducibility. This study was prompted after two experimenters performing virtually identical studies obtained different results when syngeneic B78 murine melanoma cells were implanted into the skin overlying the flank and treated with an in situ vaccine (ISV) immunotherapy. Although both experimenters thought they were using identical technique, we determined that one was implanting the tumors intradermally (ID) and the other was implanting them subcutaneously (SC).

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