
Ordering Information
| Product Name | Catalog # | UNIT | Price | Qty | FAVORITES | |
PCTAIRE-3 CRISPR Activation Plasmid (h) | sc-404867-ACT | 20 µg | $397.00 | |||
PCTAIRE-3 CRISPR Activation Plasmid (h2) | sc-404867-ACT-2 | 20 µg | $397.00 |
CDK18 encodes the serine/threonine kinase PCTAIRE-3, a member of the cyclin-dependent kinase family implicated in regulating cell cycle-linked signaling and phosphorylation networks. PCTAIRE-3 has been associated with control of cell proliferation and stress-responsive pathways, and its activity is thought to integrate with kinase cascades that influence transcriptional programs and cellular homeostasis. Dysregulated CDK18 expression or signaling has been reported in studies of proliferative disorders and tumor biology, supporting its utility as a research target for probing mechanisms of growth control and genome maintenance. Experimental modulation of CDK18 levels can therefore inform pathway mapping in cell cycle regulation and oncogenic signaling contexts.
PCTAIRE-3 CRISPR Activation Plasmid (h) provides a targeted, non-destructive approach to upregulating endogenous CDK18 expression without altering the underlying DNA sequence.
PCTAIRE-3 CRISPR Activation Plasmid (h) is a three-plasmid synergistic activation mediator (SAM) system engineered for highly efficient, site-specific transcriptional upregulation of the CDK18 locus in human cell lines. The system is built around a catalytically inactive Cas9 (dCas9) carrying two inactivating mutations (D10A and N863A) that eliminate nuclease activity while preserving DNA binding. This dCas9 is fused to VP64, a potent transcriptional activator, and is co-expressed with a blasticidin resistance gene for selection. The second plasmid encodes the MS2-p65-HSF1 fusion protein, a secondary activator complex that works in concert with dCas9-VP64, alongside a hygromycin resistance gene. The third plasmid encodes a target-specific 20 nt sgRNA fused to two MS2 RNA aptamers that recruit the MS2-p65-HSF1 complex to the activation site, accompanied by a puromycin resistance gene. The three plasmids are delivered at a 1:1:1 mass ratio for balanced expression of all system components.
Once assembled at the target locus, the SAM complex binds within approximately 200 bp upstream of the CDK18 transcriptional start site, where VP64, p65, and HSF1 act in concert to recruit transcriptional machinery and drive upregulation of endogenous PCTAIRE-3 expression. Unlike nuclease-active Cas9, dCas9 does not introduce double-strand breaks or modify the genomic sequence, preserving the native CDK18 locus and enabling the study of PCTAIRE-3-dependent transcriptional responses at the endogenous locus, making it a valuable tool for functional studies, target gene identification, and the modeling of PCTAIRE-3 pathway restoration in tumor cells with silenced or reduced CDK18 expression.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.