
Ordering Information
| Product Name | Catalog # | UNIT | Price | Qty | FAVORITES | |
Thrombospondin 1 Double Nickase Plasmid (h) | sc-400436-NIC | 20 µg | $410.00 | |||
Thrombospondin 1 Double Nickase Plasmid (h2) | sc-400436-NIC-2 | 20 µg | $410.00 |
THBS1 encodes thrombospondin 1, a secreted matricellular glycoprotein that modulates cell–matrix communication and extracellular matrix remodeling. Thrombospondin 1 regulates angiogenesis through receptor-mediated signaling, including interactions that influence latent TGF-β activation, integrin engagement, and CD47-dependent responses. It contributes to control of cell adhesion, migration, proliferation, and inflammatory signaling, linking stromal cues to tissue repair programs. Dysregulated THBS1 expression has been associated with pathological remodeling processes observed in cancer biology, vascular disease, and fibrotic and inflammatory conditions, making it relevant for mechanistic studies of microenvironment-driven phenotypes.
Thrombospondin 1 Double Nickase Plasmid (h) consists of a matched pair of plasmids engineered for high-specificity editing of the THBS1 locus in human cell lines. Each plasmid expresses a Cas9 D10A nickase and a distinct sgRNA targeting opposite DNA strands within THBS1. 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 THBS1 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 THBS1-disrupted clones.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.