Host cell signaling pathway supporting early Human Cytomegalovirus (HCMV) replication

Host cell signaling pathways supporting early Human Cytomegalovirus (HCMV) replication represent the intricate network of cellular processes hijacked by the virus to facilitate its life cycle. Upon infection, HCMV interacts with cell surface receptors such as EGFR and integrins, triggering signaling cascades including the PI3K/Akt/mTOR and MAPK/ERK pathways (Nogalski et al., 2013, Cell Host & Microbe). These pathways are essential for viral entry, the transport of the viral genome to the nucleus, and the activation of the Major Immediate Early Promoter (MIEP) to initiate viral gene expression (Coppel et al., 2011, Journal of Virology). By modulating host signaling, the virus ensures a cellular environment conducive to high-level protein synthesis and metabolic activity while simultaneously evading host immune responses and preventing premature apoptosis (Buchkovich et al., 2008, Journal of Virology). Because these pathways are fundamental to the virus's ability to replicate, they have been identified as potential targets for host-directed antiviral therapies. However, the reliance on essential host machinery means that pharmacological intervention often carries risks of significant toxicity and interference with normal physiological functions (Soroceanu et al., 2008, Cancer Research).

Other names

HCMV host-dependency pathwaysHost-cell signaling in HCMV infectionHCMV-hijacked signaling cascadesHuman Cytomegalovirus host cell signaling interface

Inhibition of host cell signaling components, such as mTOR or MAPK, to disrupt the metabolic and transcriptional environment required for viral replication.