
Ordering Information
| Product Name | Catalog # | UNIT | Price | Qty | FAVORITES | |
FLIPS/L CRISPR Activation Plasmid (h) | sc-400400-ACT | 20 µg | $397.00 | |||
FLIPS/L CRISPR Activation Plasmid (h2) | sc-400400-ACT-2 | 20 µg | $397.00 |
CFLAR encodes cellular FLICE-inhibitory protein (FLIP), expressed as the FLIP_S and FLIP_L isoforms that modulate death receptor–initiated apoptosis and necroptosis. By interacting with FADD and procaspase-8 at the death-inducing signaling complex, FLIP tunes caspase-8 activation and thereby influences TNF, Fas/CD95, and TRAIL pathway outputs as well as downstream NF-κB signaling. Through this regulatory role, CFLAR affects cell survival decisions, inflammatory signaling, and immune homeostasis. Altered CFLAR/FLIP expression has been associated with dysregulated apoptosis resistance and immune-related pathologies, making it a common node of interest in studies of tumor cell survival, infection responses, and cytokine-driven stress signaling.
FLIPS/L CRISPR Activation Plasmid (h) provides a targeted, non-destructive approach to upregulating endogenous CFLAR expression without altering the underlying DNA sequence.
FLIPS/L CRISPR Activation Plasmid (h) is a three-plasmid synergistic activation mediator (SAM) system engineered for highly efficient, site-specific transcriptional upregulation of the CFLAR 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 CFLAR transcriptional start site, where VP64, p65, and HSF1 act in concert to recruit transcriptional machinery and drive upregulation of endogenous FLIPS/L expression. Unlike nuclease-active Cas9, dCas9 does not introduce double-strand breaks or modify the genomic sequence, preserving the native CFLAR locus and enabling the study of FLIPS/L-dependent transcriptional responses at the endogenous locus, making it a valuable tool for functional studies, target gene identification, and the modeling of FLIPS/L pathway restoration in tumor cells with silenced or reduced CFLAR expression.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.