
Ordering Information
| Product Name | Catalog # | UNIT | Price | Qty | FAVORITES | |
GHS-R1 CRISPR Activation Plasmid (h) | sc-401724-ACT | 20 µg | $397.00 |
GHSR encodes the growth hormone secretagogue receptor GHS-R1, a ghrelin-responsive class A GPCR that regulates endocrine and neurometabolic signaling. Upon ligand engagement, GHS-R1 primarily couples to Gq/11 to stimulate phospholipase C, inositol phosphate turnover, intracellular Ca2+ mobilization, and downstream MAPK/ERK and PI3K-associated pathways, with additional crosstalk through β-arrestin scaffolding. This receptor integrates nutrient-sensing with hypothalamic–pituitary axis activity, influencing appetite regulation, growth hormone release, and energy homeostasis. Altered GHSR expression or signaling has been implicated in obesity-related traits, metabolic dysregulation, and endocrine phenotypes, supporting its use as a mechanistic target in receptor pharmacology and signaling network studies.
GHS-R1 CRISPR Activation Plasmid (h) provides a targeted, non-destructive approach to upregulating endogenous GHSR expression without altering the underlying DNA sequence.
GHS-R1 CRISPR Activation Plasmid (h) is a three-plasmid synergistic activation mediator (SAM) system engineered for highly efficient, site-specific transcriptional upregulation of the GHSR 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 GHSR transcriptional start site, where VP64, p65, and HSF1 act in concert to recruit transcriptional machinery and drive upregulation of endogenous GHS-R1 expression. Unlike nuclease-active Cas9, dCas9 does not introduce double-strand breaks or modify the genomic sequence, preserving the native GHSR locus and enabling the study of GHS-R1-dependent transcriptional responses at the endogenous locus, making it a valuable tool for functional studies, target gene identification, and the modeling of GHS-R1 pathway restoration in tumor cells with silenced or reduced GHSR expression.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.