Human host cell machinery for viral replication

The term “human host cell machinery for viral replication” refers to the diverse range of cellular proteins, pathways, and processes that viruses commandeer in order to replicate their genomes, synthesize viral proteins, and assemble new virions. These include, but are not limited to, the host cell’s ribosomes, chaperones (e.g., Hsp70), metabolic enzymes, lipid biosynthesis and trafficking machinery, and components of the host cell membrane and cytoskeleton. Because viruses lack many of their own biosynthetic enzymes, replication is entirely dependent on exploiting host cell functions. Targeting host cell machinery represents a potential antiviral strategy but poses significant challenges due to the essential nature of many of these pathways for normal cellular homeostasis, leading to toxicity concerns and narrow therapeutic indices.

Other names

host cell factors for viral replicationhost cell machinery for virus replicationhost-virus interaction machinery

Inhibition of host factors essential for viral entry, translation, replication, assembly, or egress. Modulation of host chaperone activity (e.g., Hsp70 inhibitors to impair viral protein folding). Disruption of host lipid metabolism to prevent viral assembly and release. Inhibition of host transcriptional or translational machinery to block viral protein synthesis.