Integrated omics-driven discovery reveals synphilin-1-mediated anoikis resistance through p53 down-regulation

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Synphilin-1 is a protein that interacts with α-synuclein and has been implicated in Parkinson's disease (PD). However, the cellular and molecular mechanisms underlying the effect of synphilin-1 in PD remain poorly understood. The present study aimed to elucidate the molecular function of synphilin-1 using integrated transcriptomic and proteomic in silico analyses, followed by in vitro validation. Synphilin-1 overexpression enhanced cell viability and attenuated pathways associated with cell death. Among the identified regulatory molecules, p53 emerged as a key mediator linking synphilin-1 to suppression of anoikis. Notably, p53 expression demonstrated predominant nuclear localisation in midbrain tissues of individuals with PD. These findings suggest that synphilin-1 promotes cell survival by suppressing p53-mediated anoikis. This regulatory relationship could be crucial for understanding neuroprotective or pathological mechanisms in PD.

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