Novel Molecular Hallmarks of Group 3 Medulloblastoma by Single-Cell Transcriptomics

Novel Molecular Hallmarks of Group 3 Medulloblastoma by Single-Cell Transcriptomics

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Medulloblastoma (MB) is a highly heterogeneous and one of the most malignant pediatric brain tumors, comprising four subgroups: Sonic Hedgehog, Wingless, Group 3, and Group 4.Group 3 MB has the martin 00042 for sale worst prognosis of all MBs.However, the molecular and cellular mechanisms driving the maintenance of malignancy are poorly understood.

Here, we employed high-throughput single-cell and bulk RNA sequencing to identify novel molecular features of Group 3 MB, and found that a specific cell cluster displayed a highly malignant phenotype.Then, we identified the glutamate receptor metabotropic 8 (GRM8), and AP-1 complex subunit sigma-2 (AP1S2) genes as two critical markers of Group 3 MB, corresponding to its poor prognosis.Information on 33 clinical cases was further utilized for validation.

Meanwhile, a global map of the molecular cascade downstream of the MYC oncogene in Group 3 MB was also delineated using single-cell RNA sequencing.Our data yields new walter hagenah me 262 insights into Group 3 MB molecular characteristics and provides novel therapeutic targets for this relentless disease.