LIPID NANO PARTICLES COMPRISING CATIONIC LIPID FOR DRUG DELIVERY SYSTEM

摘要

The present invention provides a lipid nano-particles, which allow nucleic acids to be easily introduced into cells, comprising a cationic lipid represented by formula (I);(wherein: R¹ and R² are, the same or different, alkenyl, etc, andX³ is absent or is alkyl, etc,X¹ and X² are hydrogen atoms, or are combined together to form a single bond or alkylene, andY¹ is absent or anion,L¹ is a single bond, etc,R³ is alkyl, etc), and the like.;