cathepsin D Double Nickase Plasmid (h): sc-400207-NIC
- Target species: human
- 20 µg of transfection-ready, purified plasmid DNA; Suitable for up to 20 transfections
- cathepsin D 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
- cathepsin D Double Nickase Plasmid (h) and cathepsin D Double Nickase Plasmid (h2) encode distinct paired gRNA designs targeting CTSD. One or both designs may be available
- Following transfection, gene knockout efficiency can be assayed by WB, IF or IHC using antibody: cathepsin D Antibody (D-7): sc-377299
Ordering Information
| Product Name | Catalog # | UNIT | Price | Qty | FAVORITES | |
cathepsin D Double Nickase Plasmid (h) | sc-400207-NIC | 20 µg | $410.00 | |||
cathepsin D Double Nickase Plasmid (h2) | sc-400207-NIC-2 | 20 µg | $410.00 |
CTSD encodes cathepsin D, a lysosomal aspartyl endopeptidase that mediates bulk and selective proteolysis of endocytosed and autophagic cargo, supporting lysosome homeostasis and cellular nutrient recycling. Cathepsin D contributes to endo-lysosomal maturation, antigen processing, and turnover of extracellular matrix components following uptake, linking CTSD activity to proteostasis, autophagy-lysosome function, and stress responses. Dysregulated CTSD expression or trafficking has been associated with altered lysosomal integrity, neurodegenerative processes, and tumor-associated remodeling of the microenvironment, making it relevant to studies of cell survival and inflammatory signaling. Human CTSD is therefore widely used as a model gene for dissecting lysosome-dependent pathways and protease-driven phenotypes in cultured cells.
cathepsin D Double Nickase Plasmid (h) consists of a matched pair of plasmids engineered for high-specificity editing of the CTSD locus in human cell lines. Each plasmid expresses a Cas9 D10A nickase and a distinct sgRNA targeting opposite DNA strands within CTSD. 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 CTSD 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 CTSD-disrupted clones.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.