Panoply™ Human MAP2K2 Knockdown Stable Cell Line

Increasing evidence suggests that the Toll-like receptor (TLR) signaling pathway plays a crucial role in the pathogenesis and treatment of hepatocellular carcinoma (HCC). Here, researchers identified 60 HCC-specific TLRs. They constructed a TLR-based gene signature (MAP2K2, IRAK1, RAC1, TRAF3, MAP3K7, and SPP1) to predict HCC prognosis. High-risk patients had a poor prognosis. The ROC curve confirmed the good predictive performance of this gene signature. Multivariate Cox regression analysis showed that this gene signature was an independent prognostic indicator. Furthermore, high-risk HCC was characterized by elevated immune scores, increased immune checkpoint expression, and increased immune cell infiltration. Simultaneously, high-risk patients showed higher sensitivity to gemcitabine and cisplatin. These studies confirmed the abnormal expression of TLRs in this gene signature in HCC. MAP2K2 gene knockdown inhibited colony formation and promoted apoptosis in Huh7 and HepG2 cells.

To investigate the effect of MAP2K2 on the pathogenesis of hepatocellular carcinoma (HCC), researchers constructed MAP2K2 knockdown Huh7 and HepG2 cells (Figure 1A, B). They then observed the colony formation ability of these cells. The results showed that the colony formation ability was significantly reduced in MAP2K2 knockdown Huh7 and HepG2 cells (Figure 1C-E). Furthermore, the apoptosis level of MAP2K2 knockdown HCC cells was increased (Figure 1F-H). Therefore, MAP2K2 deficiency weakened the colony formation ability of HCC cells and enhanced apoptosis.

Figure 1. Silencing MAP2K2 weakened colony formation capacity and induced apoptosis of HCC cells. (Liu L, et al., 2021)