
Ordering Information
| Product Name | Catalog # | UNIT | Price | Qty | FAVORITES | |
PDGF-A CRISPR Activation Plasmid (h) | sc-400711-ACT | 20 µg | $397.00 |
PDGFA encodes platelet-derived growth factor A (PDGF-A), a secreted dimeric ligand that signals primarily through PDGFRα to regulate mesenchymal cell proliferation, survival, and directed migration. PDGF-A contributes to developmental morphogenesis and tissue remodeling by engaging receptor tyrosine kinase signaling cascades such as RAS–MAPK, PI3K–AKT, and PLCγ-dependent pathways. In adult tissues, dysregulated PDGF-A/PDGFR signaling is linked to aberrant stromal activation, fibroblast expansion, and extracellular matrix remodeling that influence inflammation and tumor–stroma interactions. PDGFA expression is therefore frequently studied in contexts involving angiogenic and fibrotic programs, wound repair, and growth factor–driven changes in cell state.
PDGF-A CRISPR Activation Plasmid (h) provides a targeted, non-destructive approach to upregulating endogenous PDGFA expression without altering the underlying DNA sequence.
PDGF-A CRISPR Activation Plasmid (h) is a three-plasmid synergistic activation mediator (SAM) system engineered for highly efficient, site-specific transcriptional upregulation of the PDGFA 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 PDGFA transcriptional start site, where VP64, p65, and HSF1 act in concert to recruit transcriptional machinery and drive upregulation of endogenous PDGF-A expression. Unlike nuclease-active Cas9, dCas9 does not introduce double-strand breaks or modify the genomic sequence, preserving the native PDGFA locus and enabling the study of PDGF-A-dependent transcriptional responses at the endogenous locus, making it a valuable tool for functional studies, target gene identification, and the modeling of PDGF-A pathway restoration in tumor cells with silenced or reduced PDGFA expression.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.