
Ordering Information
| Product Name | Catalog # | UNIT | Price | Qty | FAVORITES | |
Pinin Lentiviral Activation Particles (h) | sc-405373-LAC | 200 µl | $455.00 | |||
Pinin Lentiviral Activation Particles (h2) | sc-405373-LAC-2 | 200 µl | $455.00 |
PNN encodes pinin, a multifunctional phosphoprotein enriched at desmosomes and within nuclear speckles, where it supports epithelial cell adhesion and coordinates pre-mRNA processing. Pinin contributes to alternative splicing and mRNA export by interacting with spliceosomal and exon junction complex components, linking junctional integrity to gene expression programs. Through these roles, PNN influences epithelial differentiation, cytoskeletal organization, and stress-responsive transcriptional networks. Dysregulated PNN expression or localization has been associated with altered splicing states and epithelial-to-mesenchymal transition–related phenotypes observed in cancer biology and tissue remodeling studies.
Pinin Lentiviral Activation Particles (h) address this need by packaging the complete synergistic activation mediator (SAM) transcriptional activation system into transduction-ready, high-titer lentiviral particles, enabling efficient PNN upregulation across a broader range of human cell types.
Pinin Lentiviral Activation Particles (h) deliver all functional components of the synergistic activation mediator (SAM) system via lentiviral transduction. The system comprises three particle preparations co-transduced into target cells: one encoding catalytically inactive dCas9 (D10A and N863A mutations) fused to the VP64 transactivation domain with a blasticidin resistance gene; one encoding the MS2-p65-HSF1 fusion protein with a hygromycin resistance gene; and one encoding a target-specific 20 nt sgRNA fused to two MS2 RNA aptamers with a puromycin resistance gene. Following lentiviral transduction and genomic integration of the expression cassettes, the SAM components are stably expressed and assemble at the target locus within the proximal promoter region upstream of the PNN transcriptional start site, where VP64, p65, and HSF1 act cooperatively to recruit endogenous transcriptional machinery and drive sustained upregulation of endogenous Pinin expression. The use of nuclease-inactive dCas9 avoids the introduction of double-strand DNA breaks and preserves the native PNN genomic locus and regulatory architecture.
The lentiviral format offers several practical advantages: stable genomic integration supports heritable activation across cell divisions; high-titer particle preparations eliminate the need for in-house viral production; and compatibility with primary, non-dividing, and transfection-resistant cell types expands experimental accessibility. Successful transduction can be confirmed and enriched through triple antibiotic selection using puromycin, hygromycin, and blasticidin.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.