<;P>;PROBLEM TO BE SOLVED: To provide a new elastic fiber regenerating agent having more improved regenerating ability of elastic fiber than a conventional one. <;P>;SOLUTION: The elastic fiber regenerating agent contains LTBP-4 (Latent TGF&beta;-binding protein-4). In a preferable embodiment, the elastic fiber regenerating agent further contains DANCE (developmental arteries and neural crest epidermal growth factor) and/or LTBP-4 expression enhancement factor. <;P>;COPYRIGHT: (C)2011,JPO&INPIT