Add undifferentiated and osteogenic differentiated MSCs into MLC and PHA-stimulated lymphocytes proliferation assay to observe the capability of proliferation inhibition both.

• 并加入混合淋巴细胞培养及PHA诱导淋巴细胞增殖试验，观察成骨前后MSCs对淋巴细胞增殖的影响。