
Ordering Information
| Product Name | Catalog # | UNIT | Price | Qty | FAVORITES | |
Synaptotagmin I Lentiviral Activation Particles (m) | sc-423243-LAC | 200 µl | $455.00 |
Syt1 encodes synaptotagmin I, a Ca2+-binding membrane protein that functions as a principal sensor for rapid, synchronous neurotransmitter release at presynaptic terminals. By coupling Ca2+ influx to SNARE-mediated synaptic vesicle docking and fusion, synaptotagmin I regulates vesicle exocytosis, short-term synaptic plasticity, and activity-dependent membrane trafficking. Syt1 activity is tightly integrated with presynaptic calcium signaling and vesicle recycling pathways that shape neuronal communication and network excitability. Dysregulation of synaptic vesicle release machinery, including synaptotagmin I–dependent steps, is frequently implicated in mechanistic studies of neurodevelopmental and neurodegenerative phenotypes.
Synaptotagmin I Lentiviral Activation Particles (m) address this need by packaging the complete synergistic activation mediator (SAM) transcriptional activation system into transduction-ready, high-titer lentiviral particles, enabling efficient Syt1 upregulation across a broader range of human cell types.
Synaptotagmin I Lentiviral Activation Particles (m) 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 Syt1 transcriptional start site, where VP64, p65, and HSF1 act cooperatively to recruit endogenous transcriptional machinery and drive sustained upregulation of endogenous Synaptotagmin I expression. The use of nuclease-inactive dCas9 avoids the introduction of double-strand DNA breaks and preserves the native Syt1 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.