PROBLEM TO BE SOLVED: To provide means useful for the construction of a hematopoietic microenvironment, and improve a success rate of cord blood transplantation or a treatment outcome.SOLUTION: There is provided a cell preparation for cord blood transplantation that contains a fat tissue-derived mesenchymal stem cell.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】造血微小環境の構築に有効な手段を提供し、臍帯血移植の成功率ないし治療成績の向上を図ることを課題とする。【解決手段】脂肪組織由来間葉系幹細胞を含有する、臍帯血移植用細胞製剤が提供される。【選択図】なし