
Ordering Information
| Product Name | Catalog # | UNIT | Price | Qty | FAVORITES | |
DUSP22 Lentiviral Activation Particles (m) | sc-430587-LAC | 200 µl | $455.00 |
Mouse Dusp22 encodes dual specificity phosphatase 22 (DUSP22), an atypical MAPK phosphatase that dephosphorylates serine/threonine and tyrosine residues to tune intracellular signaling dynamics. DUSP22 has been implicated in regulating stress-activated MAPK pathways, including JNK and p38 signaling, thereby influencing transcriptional programs linked to immune cell activation, cytokine signaling, and apoptosis. By shaping phosphorylation-dependent signal propagation, DUSP22 affects processes such as T cell receptor–proximal signaling and broader inflammatory responses. Dysregulated DUSP22 activity or expression is therefore relevant to studies of immune-mediated pathology, signaling network rewiring, and phosphorylation control in disease models.
DUSP22 Lentiviral Activation Particles (m) address this need by packaging the complete synergistic activation mediator (SAM) transcriptional activation system into transduction-ready, high-titer lentiviral particles, enabling efficient Dusp22 upregulation across a broader range of human cell types.
DUSP22 Lentiviral Activation Particles (m) deliver all functional components of the synergistic activation mediator (SAM) system via lentiviral transduction. The system comprises three particle preparations co-transduced into target cells: one encoding catalytically inactive dCas9 (D10A and N863A mutations) fused to the VP64 transactivation domain with a blasticidin resistance gene; one encoding the MS2-p65-HSF1 fusion protein with a hygromycin resistance gene; and one encoding a target-specific 20 nt sgRNA fused to two MS2 RNA aptamers with a puromycin resistance gene. Following lentiviral transduction and genomic integration of the expression cassettes, the SAM components are stably expressed and assemble at the target locus within the proximal promoter region upstream of the Dusp22 transcriptional start site, where VP64, p65, and HSF1 act cooperatively to recruit endogenous transcriptional machinery and drive sustained upregulation of endogenous DUSP22 expression. The use of nuclease-inactive dCas9 avoids the introduction of double-strand DNA breaks and preserves the native Dusp22 genomic locus and regulatory architecture.
The lentiviral format offers several practical advantages: stable genomic integration supports heritable activation across cell divisions; high-titer particle preparations eliminate the need for in-house viral production; and compatibility with primary, non-dividing, and transfection-resistant cell types expands experimental accessibility. Successful transduction can be confirmed and enriched through triple antibiotic selection using puromycin, hygromycin, and blasticidin.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.