Sanofi Lipid 15 is a highly efficient ionizable cationic lipid for T-cell transfection. Its unique structure enables superior mRNA delivery to T cells, with key features including: 1) pH-responsive ionization (pKa ~6.5-7.2) for optimal endosomal escape, 2) biodegradable ester linkages for reduced toxicity, and 3) optimized hydrophobic tails for membrane fusion. When formulated in LNPs with CD3/CD8-targeting antibodies, Lipid 15 achieves >50% transfection efficiency in primary human T cells, with 2-3× higher GFP expression than DLin-KC3-DMA controls. The LNPs maintain stable particle size (~100nm) after freeze-thaw cycles and show minimal off-target effects (<5% non-T cell transfection). This performance makes Lipid 15 ideal for CAR-T and TCR engineering applications.
Cat.No
DC67601
Name
Sanofi Lipid 15
Chemical Properties
CAS
Formula
MW
Storage
2 years -20°C Powder, 2 weeks 4°C in DMSO, 6 months -80°C in DMSO
References
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