
Ordering Information
| Product Name | Catalog # | UNIT | Price | Qty | FAVORITES | |
OSMR β CRISPR Activation Plasmid (h) | sc-402700-ACT | 20 µg | $397.00 | |||
OSMR β CRISPR Activation Plasmid (h2) | sc-402700-ACT-2 | 20 µg | $397.00 |
Human OSMR encodes the oncostatin M receptor β subunit, a signal-transducing component of the type I cytokine receptor family that pairs with gp130 to mediate oncostatin M and related IL-6 family cytokine responses. Ligand engagement activates JAK/STAT signaling, with additional coupling to MAPK and PI3K/AKT pathways that regulate inflammatory gene expression, epithelial–mesenchymal programs, extracellular matrix remodeling, and cell survival. OSMRβ activity has been linked to context-dependent changes in stromal and immune crosstalk, wound repair processes, and fibrotic or inflammatory phenotypes in multiple tissues. Dysregulated OSMR pathway signaling is frequently studied for its roles in chronic inflammation and microenvironment-driven disease mechanisms.
OSMR β CRISPR Activation Plasmid (h) provides a targeted, non-destructive approach to upregulating endogenous OSMR expression without altering the underlying DNA sequence.
OSMR β CRISPR Activation Plasmid (h) is a three-plasmid synergistic activation mediator (SAM) system engineered for highly efficient, site-specific transcriptional upregulation of the OSMR 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 OSMR transcriptional start site, where VP64, p65, and HSF1 act in concert to recruit transcriptional machinery and drive upregulation of endogenous OSMR β expression. Unlike nuclease-active Cas9, dCas9 does not introduce double-strand breaks or modify the genomic sequence, preserving the native OSMR locus and enabling the study of OSMR β-dependent transcriptional responses at the endogenous locus, making it a valuable tool for functional studies, target gene identification, and the modeling of OSMR β pathway restoration in tumor cells with silenced or reduced OSMR expression.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.