Recent studies have significantly advanced our understanding of tumor biology and genetics, particularly in gliomas and meningiomas. One pivotal study identified mutation-directed neo-protein-protein interactions (neoPPIs) that arise from oncogenic driver mutations, highlighting how these mutations can lead to neomorphic activities that facilitate tumorigenesis (ref: Mo doi.org/10.1016/j.cell.2022.04.014/). Another important finding demonstrated that olfactory sensory experiences can influence gliomagenesis through neuronal IGF1 signaling, suggesting that environmental factors may play a role in tumor development (ref: Chen doi.org/10.1038/s41586-022-04719-9/). Meningiomas were classified into distinct DNA methylation groups, revealing biological drivers and therapeutic vulnerabilities, with Merlin-intact meningiomas showing the best outcomes, while hypermitotic meningiomas exhibited the worst due to convergent genetic mechanisms (ref: Choudhury doi.org/10.1038/s41588-022-01061-8/). Furthermore, the role of DNMT3A in postnatal development was elucidated, showing that the long isoform DNMT3A1 is essential, which underscores the importance of epigenetic regulation in tumor biology (ref: Gu doi.org/10.1038/s41588-022-01063-6/). The implications of these findings extend to clinical practices, as they inform the development of targeted therapies and improve patient stratification in treatment protocols.