Both control serum and drugs containing serum could accelerate the differentiationand maturing of BMDC, inducing BMDC with many more long processes and I-Aexpression by immunocytochemistry analysis.

• 加入血清后可促进骨髓前体细胞向树突状细胞分化、成熟，表现为DC集落增多增大，细胞有许多明显的突起，I一A”表达增加;