Conclusion: Solo-injection of mMSCs can enhance hematopoietic reconstitution in mice with critical irradiation injury.The period of imbedding is related to the dose of infusion.

• 结论:小鼠骨髓间充质干细胞单独输注可促进重度放射损伤小鼠的造血功能恢复,其植入时间长短可能与输注的细胞量有关。