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目的 观察冻干重组rhGM-CSF的稳定性。方法采用XTT法,TF-1细胞为依赖细胞株,对重组人 粒细胞-巨噬细胞集落刺激因子(rhGM-CSF)进行了稳定性观察。结果重组rhGM-CSF在37℃保存3个月,22℃5个 月,4℃48个月生物学活性未降低。结论 重组rhGM-CSF稳定性好。
Objective To observe the stability of lyophilized recombinant rhGM-CSF. Methods The stability of recombinant human granulocyte-macrophage colony-stimulating factor (rhGM-CSF) was observed by XTT method and TF-1 cell-dependent cell line. Results The recombinant rhGM-CSF was stored at 37 ℃ for 3 months, at 22 ℃ for 5 months and at 4 ℃ for 48 months without any decrease in biological activity. Conclusion Recombinant rhGM-CSF has good stability.