Panoply™ Human PRKCB Knockdown Stable Cell Line

Esophageal squamous cell carcinoma (ESCC) is a genetically heterogeneous disease with a poor clinical prognosis. Identifying biomarkers associated with DNA replication stress can improve prognostic risk stratification and guide treatment decisions. Here, researchers performed integrated single-cell RNA sequencing and computational analysis to identify the molecular determinants and subtypes underlying ESCC heterogeneity. The study showed that a high DNA replication stress (DRS) score was associated with poorer survival. Four genes (CDKN2A, NUP155, PPP2R2A, PRKCB) showed prognostic value. The researchers identified three molecular subtypes with different survival rates and immune characteristics. A 12-gene signature demonstrated robust prognostic performance. PRKCB was overexpressed in ESCC, and PRKCB knockdown reduced the migratory ability of ESCC cells. These findings identify potential prognostic biomarkers and gene expression signatures that can improve risk stratification for ESCC patients.

To comprehensively understand the role of PRKCB in esophageal squamous cell carcinoma (ESCC), researchers conducted a series of functional experiments. Specifically, they performed Transwell migration assays and wound healing assays to investigate the effect of altered PRKCB expression on the invasion and migration abilities of ESCC cells (Figure 1H, J, L, N). They also generated corresponding statistical results graphs (Figure 1I, K, M, O). The analysis showed that the migration ability of PRKCB knockdown ECA109 and KYSE30 cells was inhibited. These findings strongly suggest that PRKCB may play a crucial role in promoting ESCC progression by enhancing the migration ability of ESCC cells.

Figure 1. The migration ability of PRKCB knockdown ECA109 and KYSE30 cells was inhibited. (Zhang D, et al., 2024)