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Calcium alginate gel (CAG) has been shown to successfully model aneurysm embolization within a short period of time. However, gradually degrading CAG potentially results in aneurysm recanalization.In the present study, a regenerative embolic material was designed by seeding rat fibroblasts in a CAG. The study investigated the feasibility of constructing a 3-dimensional culture system. The fibroblasts grew well and firmly attached to the CAG. CAG was conducive for fibroblast growth, and resulted in a 3-dimensional culture system. Results show that CAG can be used theoretically as a vascular, regenerative, embolic material.