The present invention provides for a method of treating or preventing ischemic or liver disease in a subject by administering a composition reconstituted from a lyophilized hepatocyte growth factor (HGF) DNA formulation, where the DNA formulation comprises an HGF plasmid DNA, salt and a carbohydrate. The invention further provides for a method of making such a lyophilized DNA formulation that preserves or enhances gene expression both in vitro and in vivo, thus maintaining or stimulating the biological activity of the expressed protein. The invention also provides for the DNA formulation, or the lyophilized DNA formulation according to the methods disclosed.본 발명은 플라스미드 DNA, 염 및 탄수화물을 포함하는 조성물로부터 동결건조된 DNA 제제로서, 상기 플라스미드 DNA가 HGF 유전자 또는 이의 변이체를 포함하는 DNA 제제를 제공한다.
