| Field | Specification |
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| Accession Number | |
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| Reporter | |
| Selection Marker | Blasticidin, N/A, Puromycin |
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Background
IGF1R encodes the insulin-like growth factor 1 receptor, a transmembrane receptor tyrosine kinase that binds IGF-1 and IGF-2. Ligand binding activates the receptor kinase and triggers downstream PI3K-AKT and RAS-MAPK signaling cascades, which promote cell growth, proliferation, survival, and metabolic regulation. IGF1R signaling is essential for normal development and tissue growth, and it intersects with insulin signaling in the control of metabolism. The pathway is frequently hyperactivated in cancer, where IGF1R supports tumor cell proliferation, survival, and resistance to therapy. Because of this role, IGF1R is an actively studied therapeutic target in oncology and a key node in growth-factor and metabolic research.
Product Description & Applications
The h/m IGF1R shRNA Lentivirus delivers validated short hairpin RNA targeting human and mouse IGF1R for stable gene knockdown. Each shRNA is validated to achieve at least 70% reduction of IGF1R using a fluorescence-based assay that provides a direct functional readout rather than transcript-level qPCR. The particles are ultra-purified and concentrated to high titer by PEG precipitation and sucrose gradient centrifugation, and efficiently transduce difficult-to-transfect cells, including primary and thawed cultures. A co-expressed fluorescent reporter (GFP or RFP, optionally with luciferase) and antibiotic selection marker (puromycin or blasticidin) enable stable line generation. A shRNA set option supplies a mix of two independent validated shRNAs plus matched scrambled-control lentivirus for loss-of-function studies of IGF signaling, cell growth, and metabolism.
About This Product
This validated shRNA lentivirus targeting IGF1R (NCBI Accession: NM_000875) delivers a 19–20 bp shRNA from a third-generation, self-inactivating lentiviral backbone. Expression is driven from a U6 Pol III promoter, with a constitutively expressed fluorescent reporter (GFP, GFP/Luc, RFP, RFP/Luc) and antibiotic selection marker (Blasticidin, Puromycin) co-expressed from the same vector. VSV-G pseudotyping enables broad cell tropism, including primary, suspension, and cryopreserved cell types.
Knockdown is validated using a proprietary bicistronic fluorescence assay in which the target mRNA is co-expressed fused to RFP alongside the shRNA-GFP construct. At least 70% reduction in RFP signal in GFP-positive cells confirms on-target activity — a more direct functional readout than transcript-level qPCR. Polyclonal stable lines can be generated by antibiotic selection within 10 days, preserving parental cell heterogeneity compared to single-clone CRISPR approaches.
Can't find the lentiviral construct you need, or want to adjust key design elements? Contact us to discuss custom LV design and optional add-ons.
Common customization requests
- Insert / payload: replace the gene/sequence, swap to a different isoform, add mutations, or optimize cloning features.
- Expression design: change promoter (e.g., CMV/EF1α/PGK), add enhancers, or adjust regulatory elements.
- Reporters: add/swap GFP/RFP/mCherry/luciferase (single or dual reporters where applicable).
- Selection markers: add/swap puromycin/blasticidin/neomycin or fluorescent selection options.
- Vector format: switch between OE, shRNA, CRISPR (sgRNA/Cas systems), or control vectors (where supported).
Add-ons you can request
- Control viruses: empty vector, non-targeting shRNA, reporter-only controls, or matched backbone controls.
- Packaging / format: concentration options, aliquoting, or custom fill volume for screening workflows.
- Documentation: construct map/sequence confirmation package (as available) and batch documentation.
What to include in your request
- Target cell type/model (cell line or primary cells) and intended readout (reporter, knockdown, OE, etc.)
- Insert sequence (FASTA) or reference ID, plus any required tags/mutations
- Promoter, reporter, and selection marker preferences
- Desired scale and preferred format (aliquots / concentration requests)
Email us at support@biohippo.com or use the Talk to a Scientist request form.
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