5 Medicines for the modification of genes and treatment of diseases, for use in the treatment of respiratory diseases, lung diseases, central nervous system diseases, immunodeficiency and autoimmune diseases, infectious diseases, liver diseases, metabolic disorders, muscular diseases, and cancer; cell and gene therapy biological preparations and pharmaceutical preparations with protein expression, all for the treatment of respiratory diseases, lung diseases, central nervous system diseases, immunodeficiency and autoimmune diseases, infectious diseases, liver diseases, metabolic disorders, muscular diseases, and cancer; drug carriers for medical use, namely, delivery agents in the form of non-viral lipid nanoparticles for delivering drugs to human organs that facilitate the delivery of a wide range of pharmaceuticals; pharmaceutical preparations for the treatment and prevention of respiratory diseases, lung diseases, central nervous system diseases, immunodeficiency and autoimmune diseases, infectious diseases, liver diseases, metabolic disorders, muscular diseases, and cancer