SARM Double Nickase Plasmid (h): sc-403427-NIC
- Target species: human
- 20 µg of transfection-ready, purified plasmid DNA; Suitable for up to 20 transfections
- SARM Double Nickase Plasmid (h) consists of a pair of plasmids each encoding a D10A mutated Cas9 nuclease and a target-specific 20 nt guide RNA (gRNA) designed to knockout gene expression with greater specificity than its CRISPR/Cas9 KO counterpart
- Paired gRNA sequences are offset by approximately 20 bp to allow for specific Cas9-mediated double nicking of the genomic DNA, which mimics a DSB
- One plasmid in the pair contains a puromycin-resistance gene for selection; the other plasmid in the pair contains a GFP marker to visually confirm transfection
- SARM Double Nickase Plasmid (h) and SARM Double Nickase Plasmid (h2) encode distinct paired gRNA designs targeting SARM1. One or both designs may be available
Ordering Information
| Product Name | Catalog # | UNIT | Price | Qty | FAVORITES | |
SARM Double Nickase Plasmid (h) | sc-403427-NIC | 20 µg | $410.00 |
SARM1 encodes SARM, an NADase-containing adaptor protein that is a central executioner of axon degeneration. Upon neuronal injury or metabolic stress, SARM1 activation triggers rapid NAD⁺ depletion, energetic collapse, and downstream cytoskeletal dismantling, integrating with pathways that regulate axonal maintenance, mitochondrial function, and innate immune signaling. Dysregulated SARM1 activity has been linked to neurodegenerative and neuroinflammatory processes, including peripheral neuropathies and axon loss observed across multiple neurological disease contexts. As a hub for injury-induced axonal self-destruction, SARM1 is widely studied for its roles in neuronal survival, degeneration signaling, and cell-state responses to stress.
SARM Double Nickase Plasmid (h) consists of a matched pair of plasmids engineered for high-specificity editing of the SARM1 locus in human cell lines. Each plasmid expresses a Cas9 D10A nickase and a distinct sgRNA targeting opposite DNA strands within SARM1. When directed to adjacent sites on opposite DNA strands, the two nickases generate offset single-strand nicks that together produce a staggered double-strand break, requiring coordinated on-target activity from both guides. The resulting DNA break is resolved by endogenous cellular repair pathways, most commonly through non-homologous end joining (NHEJ), leading to insertions or deletions that disrupt SARM1 function. By requiring dual sgRNA engagement at the target locus, the double nicking approach enhances editing specificity and provides a complementary CRISPR strategy for applications where additional control over targeting precision is desired.
To support efficient identification of edited cells, one plasmid encodes GFP for fluorescent visualization of transfected populations, while the companion plasmid carries a puromycin resistance gene for antibiotic selection. Together, these features support efficient enrichment of co-transfected populations and simplify the validation of SARM1-disrupted clones.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.