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成分共同构成的,尚不清楚哪一种成分防护IR的效果更                                ation effects through small molecules[J]. Int J Radiat Biol,
        好。本研究通过CCK-8法检测不同质量浓度黄芪多糖、                               2017,93(10):1151-1176.
        黄芪皂苷、黄芪黄酮对BMSCs增殖的影响,结果显示,50                        [ 9 ]  SMITH TA,KIRKPATRICK DR,SMITH S,et al. Radio-
        μg/mL黄芪多糖、黄芪皂苷和黄芪黄酮对辐射BMSCs进                             protective agents to prevent cellular damage due to ioniz-
        行干预后均可明显促进 BMSCs 的增殖。用 50 μg/mL                          ing radiation[J]. J Transl Med,2017. DOI:10.1186/s12967-
        黄芪多糖和黄芪皂苷对辐射BMSCs继续干预2 d或24 h                            017-1338-x.
                                                            [10]  THOMAS JG,PARKER KERRIGAN BC,HOSSAIN A,
        后,BMSCs 的微核细胞率、细胞微核率和 53BP1 焦点簇
                                                                 et al. Ionizing radiation augments glioma tropism of mes-
        数量均显著减少且黄芪多糖组的微核细胞率、细胞微核
                                                                 enchymal stem cells[J]. J Neurosurg,2018,128(1):287-
        率均显著低于黄芪皂苷组;而50 μg/mL黄芪黄酮干预则
                                                                 295.
        对微核细胞率、细胞微核率和53BP1焦点簇数量无显著
                                                            [11]  SU C,HASKINS AH,KATO TA. Micronuclei formation
        影响。由此表明,黄芪多糖和黄芪皂苷对辐射所致的
                                                                 analysis after ionizing radiation[J]. Methods Mol Biol,
        DNA损伤均有防护作用,其中黄芪多糖的防护效果优于                                2019. DOI:10.1007/978-1-4939-9432-8_3.
        黄芪皂苷;而黄芪黄酮对辐射所致的 DNA 损伤无防护                          [12]  MAVRAGANI IV,NIKITAKI Z,KALOSPYROS SA,et
        作用。其中,黄芪多糖对 IR 的防护作用与文献报道结                               al. Ionizing radiation and complex dna damage:from pre-
        果 [16-19] 一致。本研究结果为黄芪有效成分防护 IR 所致                        diction to detection challenges and biological significan-
        BMSCs DNA 损伤的应用提供了选择依据,为临床辐射                             ce[J]. Cancers:Basel,2019. DOI:10.3390/cancers11111789.
        防护奠定了理论基础,但是关于具体的防护作用机制尚                            [13]  GONON G,VILLAGRASA C,VOISIN P,et al. From en-
        不明确,后续仍需进一步探讨。                                           ergy deposition of ionizing radiation to cell damage signal-
        参考文献                                                     ing:benchmarking simulations by measured yields of ini-
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             mic applications in radiation biodosimetry:exploring radi-




        ·2992 ·  China Pharmacy 2020 Vol. 31 No. 24                                 中国药房    2020年第31卷第24期
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