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Target intelligence / Profile preview
Polo-like kinase 1 mRNA (PLK1 mRNA)
- Target
- PLK1 mRNA
- Molecular classification
- Other (mRNA encoding enzyme kinase)
01
Overview
PLK1 mRNA is the messenger RNA transcript encoding polo-like kinase 1, an essential serine/threonine-protein kinase involved in regulation of multiple steps of the cell cycle, especially mitosis. While "PLK1" is a canonical target and established oncogene and cell cycle regulator, "PLK1 mRNA" specifically refers to the mRNA molecule before translation. PLK1 mRNA is targeted by molecular therapies such as RNA interference (RNAi) drugs to reduce PLK1 protein levels in proliferative diseases, notably cancer. As a molecular species, PLK1 mRNA serves as the direct template for synthesis of polo-like kinase 1 protein, whose overexpression is associated with tumor progression and poor prognosis.
- Other names
- serine/threonine-protein kinase PLK1 mRNApolo-like kinase 1 transcriptSTPK13 mRNA
02
Mechanism of action
RNA interference (siRNA, antisense oligonucleotides cause mRNA degradation and downregulate PLK1 protein expression)
03
Biological functions
Cell cycle regulation (as mRNA encodes a protein kinase involved in mitosis)Cell proliferation (indirect—via encoded protein)Signal transduction (indirect—via encoded protein)
04
Disease associations
Cancer (targeted for downregulation in cancer therapy)Other (cell cycle dysregulation diseases)
05
Safety considerations
Potential for off-target effects with RNA-based therapeuticsexcessive cell cycle inhibition may disrupt healthy proliferating cells (e.g., bone marrow, gut epithelium)
06
Interacting drugs
siRNA or antisense oligonucleotides targeting PLK1 mRNA
1 more in the full profile.
07
Biomarkers
PLK1 mRNA expression level (for stratification or monitoring in cancer therapies targeting PLK1)
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