Zinc-sensitive viral replication processes

The designation "zinc-sensitive viral replication processes" describes a collection of molecular events and viral protein functions influenced by zinc bioavailability, rather than a unique molecular target. Zinc acts as a regulator or cofactor for various viral and cellular proteins critical for the replication of multiple viruses, including coronaviruses, HIV, HCV, and HPV[1][2][3]. Key mechanisms include inhibition of viral enzymes (such as RNA-dependent RNA polymerase and proteases) by direct zinc binding, destabilization of viral zinc finger proteins, and modulation of host immune proteins like metallothioneins. Some drugs exploit these zinc-dependent vulnerabilities by increasing intracellular zinc or targeting viral zinc-binding domains[1][3]. However, "zinc-sensitive viral replication processes" is not a therapeutically actionable target in the typical sense, and the term refers to a broad biological phenomenon rather than a druggable protein or receptor.

Other names

Zinc-sensitive steps in viral replicationZinc-dependent viral replication mechanismsViral zinc homeostasis processes

Inhibition of viral RNA-dependent RNA polymerase (RdRp); Inhibition of viral proteases (e.g., 3CL protease in coronaviruses); Destabilization of viral zinc finger proteins (zinc ejection); Modulation of host and viral metallothioneins influencing viral replication.