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Tumor-specific Ki67 promoter-driven adenovirus replication machinery
- Molecular classification
- Other
01
Overview
The tumor-specific Ki67 promoter-driven adenovirus replication machinery refers to an engineered genetic construct in oncolytic adenoviruses where the Ki67 promoter, active primarily in proliferating tumor cells, controls expression of the viral E1A gene. This restricts viral replication to Ki67-expressing cancer cells (e.g., renal cell carcinoma), enabling selective tumor cell lysis while sparing normal tissues. Examples include adenoviruses delivering IL-24, IL-15, or decorin under this control for enhanced antitumor effects.
- Other names
- Ki67 promoter-controlled oncolytic adenovirus replication machineryKi67 promoter-driven oncolytic adenovirus E1A gene regulation system
02
Mechanism of action
Tumor-specific promoter (Ki67) drives selective adenovirus E1A expression and replication in proliferating cancer cells, leading to oncolysis
03
Biological functions
Cell proliferationVirus replicationOncolytic virus-mediated cell death
04
Disease associations
Cancer
05
Safety considerations
Potential off-target replication in highly proliferative non-tumor cellsImmunogenicity of adenoviral vectors
06
Biomarkers
Ki67 expression (tumor proliferation marker for selective replication)
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