PROBLEM TO BE SOLVED: To provide a pharmaceutical for inducing repopulation of endogenous hematopoietic cells in an endogenous hematopoietic system.SOLUTION: This invention relates to the uses of a therapeutically effective amount of adherent stromal cells derived from a placenta of CD34- cultured outside the placenta within a specified period after the exposure to radiation or chemotherapy, and a therapeutically effective amount of hematopoietic cells of CD34+.【課題】内因性造血系における内因性造血細胞の再増殖を誘導するための医薬の提供。【解決手段】放射線又は化学療法への暴露後特定期間内に胎盤の外側で培養されたＣＤ３４－の胎盤由来の接着性間質細胞の治療効果的な量、及びＣＤ３４＋の造血細胞の治療効果的な量の使用。【選択図】なし
