GVS-18-B35 is a leading silicon ether-based ionizable lipid that demonstrates exceptional performance in mRNA delivery. It features a biodegradable silyl ether linkage, which undergoes rapid, non-enzymatic hydrolysis, enabling near-complete clearance from the liver within 24 hours in both mice and non-human primates (NHPs). This degradation mechanism is independent of variable enzymatic activity, ensuring consistent pharmacokinetics across species. In vivo, GVS-18-B35 lipid nanoparticles (LNPs) achieve superior liver-specific protein expression with minimal off-target accumulation in the spleen, resulting in a high liver-to-spleen signal ratio and reduced immune stimulation. The LNPs exhibit excellent stability under frozen storage (-80°C) and maintain critical quality attributes, including particle size, polydispersity, and encapsulation efficiency, through multiple freeze-thaw cycles. With an optimal pKa (~6.3) and enhanced endosomal escape capability, GVS-18-B35 represents a robust and versatile platform for mRNA therapeutics, particularly suited for applications requiring frequent dosing due to its unique combination of high potency and rapid clearance profile.
Cat.No
DC67618
Name
GVS-18-B35
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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