The present invention provides nucleic acid-containing lipid nanoparticles containing a lipid (lipid A) which has a hydrophilic unit having a single quaternary ammonium group, and three independent, optionally substituted hydrocarbon groups, a lipid derivative or fatty acid derivative of a water-soluble polymer, and a nucleic acid.
                            本发明提供了含核酸的脂质纳米颗粒,其中含有一种脂质(脂质 A),该脂质具有一个亲
水单元,该亲
水单元具有一个季
铵基团和三个独立的任选取代的烃基、一种
水溶性聚合物的脂质衍
生物或
脂肪酸衍
生物以及一种核酸。