[Object]The purpose of the present invention is to provide: a gene delivery carrier that specifically accumulates only in a lesion site even when systemically administered, has a high rate of protein expression, and disappears from the lesion site as healing occurs and a therapeutic method for ischemic diseases using same. Said purpose is achieved by providing: a gene delivery carrier comprising an anaerobic bacteria, capable of growing specifically at an ischemic disease site, and capable of expressing at least one protein useful in the diagnosis or treatment of ischemic disease a medical composition including said gene delivery carrier and a therapeutic method for ischemic diseases using same.
