
Ordering Information
| Product Name | Catalog # | UNIT | Price | Qty | FAVORITES | |
αPAK CRISPR Activation Plasmid (h) | sc-400857-ACT | 20 µg | $397.00 | |||
αPAK CRISPR Activation Plasmid (h2) | sc-400857-ACT-2 | 20 µg | $397.00 |
PAK1 encodes αPAK (p21-activated kinase 1), a serine/threonine kinase activated downstream of the Rho family GTPases RAC1 and CDC42. αPAK integrates signals from growth factor receptors and integrins to regulate actin cytoskeleton remodeling, focal adhesion turnover, and cell motility, while also modulating MAPK/ERK and PI3K-AKT pathway outputs. Through phosphorylation of substrates involved in cytoskeletal dynamics and transcriptional regulation, PAK1 influences proliferation, survival, and stress responses across multiple cell types. Dysregulated PAK1 signaling has been linked to aberrant migration and proliferation programs and is frequently studied in the context of cancer biology, neurobiology, and inflammatory signaling networks.
αPAK CRISPR Activation Plasmid (h) provides a targeted, non-destructive approach to upregulating endogenous PAK1 expression without altering the underlying DNA sequence.
αPAK CRISPR Activation Plasmid (h) is a three-plasmid synergistic activation mediator (SAM) system engineered for highly efficient, site-specific transcriptional upregulation of the PAK1 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 PAK1 transcriptional start site, where VP64, p65, and HSF1 act in concert to recruit transcriptional machinery and drive upregulation of endogenous αPAK expression. Unlike nuclease-active Cas9, dCas9 does not introduce double-strand breaks or modify the genomic sequence, preserving the native PAK1 locus and enabling the study of αPAK-dependent transcriptional responses at the endogenous locus, making it a valuable tool for functional studies, target gene identification, and the modeling of αPAK pathway restoration in tumor cells with silenced or reduced PAK1 expression.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.