Polynucleotide complexes are stabilized by adding a cryoprotectant compound and lyophilizing the resulting formulation. The lyophilized formulations are milled or sieved into a dry powder formulation which may be used to deliver the polynucleotide complex. Delivery of the polynucleotide to a desired cell tissue is accomplished by contacting the tissue with the powder to rehydrate it. In a preferred embodiment, a dry powder formulation is used to induce genetic modification of a patient's lung tissue.
Concise solid-phase synthesis of inverse poly(amidoamine) dendrons using AB2 building blocks
作者:Adela Ya-Ting Huang、Ching-Hua Tsai、Hsing-Yin Chen、Hui-Ting Chen、Chi-Yu Lu、Yu-Ting Lin、Chai-Lin Kao
DOI:10.1039/c3cc40661j
日期:——
A concise solid-phase synthesis of inverse poly(amidoamine) dendrons was developed. Upon introduction of AB2-type monomers, each dendron generation was constructed via one reaction. G2 to G5 dendrons were constructed in a peptide synthesizer in 93%, 89%, 82%, and 78% yields, respectively, within 5 days.