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基于谱效关系的地菍石油醚提取物抗炎活性物质基础研究
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          罗仕西 ,麻秀萍        1, 2, 3 # ,刘 静 ,熊武青 ,孙庆文 ,丁 宁(1.贵州中医药大学药学院,贵阳 550025;2.国家苗
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                 1*
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          药工程技术研究中心/贵州中药炮制与制剂工程技术研究中心,贵阳 550025;3.贵州中医药大学茶+大健康食
          品开发研究中心,贵阳 550025)
          中图分类号  R917;R284      文献标志码  A      文章编号  1001-0408(2024)23-2877-06
          DOI  10.6039/j.issn.1001-0408.2024.23.07

          摘  要  目的  建立地菍石油醚提取物的指纹图谱,并结合细胞药效学实验探究其抗炎活性物质基础。方法  采用高效液相色谱
         (HPLC)法,利用《中药色谱指纹图谱相似度评价系统(2012版)》生成20批地菍石油醚提取物的指纹图谱,并进行相似度评价和共
          有峰指认;建立脂多糖诱导的小鼠单核巨噬细胞RAW264.7炎症模型,以一氧化氮(NO)、肿瘤坏死因子α(TNF-α)的抑制率为指
          标,考察地菍石油醚提取物的抗炎活性,并运用灰色关联度法、偏最小二乘回归分析法进行谱效关系研究;采用分子对接验证抗炎
          活性成分与TNF-α、诱导型一氧化氮合酶(iNOS)蛋白质受体的结合活性。结果  20批地菍石油醚提取物的指纹图谱中有19个共
          有峰,20批样品的相似度为0.603~0.990;指认了牡荆素(5号峰)、异牡荆素(6号峰)、鞣花酸(7号峰)、槲皮素(9号峰)、木犀草素
         (10 号峰)5 个成分。地菍石油醚提取物 19 个共有峰与 NO、TNF-α 抑制率的关联度均大于 0.7,峰 19、13、9(槲皮素)、12、5(牡荆
          素)、6(异牡荆素)、8、7(鞣花酸)、18、1与NO抑制率呈正相关;峰8、10(木犀草素)、13、15、3、19、17、7(鞣花酸)、18、1与TNF-α抑
          制率呈正相关。牡荆素、异牡荆素、槲皮素与iNOS蛋白质受体的结合能均小于-5.0 kcal/mol。结论  牡荆素、异牡荆素、槲皮素可
          能是地菍石油醚提取物发挥抗炎作用的药效物质基础。
          关键词  地菍;石油醚提取物;指纹图谱;抗炎;谱效关系
          Fundamental  study  on  the  anti-inflammatory  activity  of  the  petroleum  ether  extract  from  Melastoma
          dodecandrum based on spectrum-effect relationship
          LUO Shixi ,MA Xiuping 1, 2, 3 ,LIU Jing ,XIONG Wuqing ,SUN Qingwen ,DING Ning(1. School of Pharmacy,
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                   1
          Guizhou  University  of  Traditional  Chinese  Medicine,  Guiyang  550025,  China;2.  National  Miao  Medicine
          Engineering  Technology  Research  Center/Guizhou  Traditional  Chinese  Medicine  Processing  and  Preparation
          Engineering  Technology  Research  Center,  Guiyang  550025,  China;3.  Tea+Big  Health  Food  Development  and
          Research Center, Guizhou University of Traditional Chinese Medicine, Guiyang 550025, China)
          ABSTRACT   OBJECTIVE  To  explore  the  material  basis  of  the  anti-inflammatory  effect  of  the  petroleum  ether  extract  from
          Melastoma dodecandrum by establishing its fingerprint and combining it with cellular pharmacodynamics experiments. METHODS
          HPLC method was adopted; the fingerprints of 20 batches of petroleum ether extract from M. dodecandrum were drawn using The
          Similarity  Evaluation  System  of  TCM  Chromatographic  Fingerprint (2012  edition);  similarity  evaluation  and  common  peak
          identification were carried out. The lipopolysaccharide-induced inflammation model of mice mononuclear macrophages (RAW264.7)
          was established; the inhibitory rates of nitric oxide (NO) and tumor necrosis factor α (TNF-α) were used as indexes to investigate
          the anti-inflammatory activity of the petroleum ether extract from M. dodecandrum; grey correlation degree method and partial least
          square  regression  analysis  were  adopted  to  study  the  spectrum-effect  relationship.  Molecular  docking  was  used  to  validate  the
          binding  activity  of  the  anti-inflammatory  active  ingredients  with  TNF- α  and  iNOS  protein  receptor.  RESULTS  There  were  19
          common  peaks  in  the  fingerprint  of  the  petroleum  ether  extract  from  M.  dodecandrum,  the  similarity  of  20  batches  of  samples
          ranged from 0.603-0.990, and five components were identified, such as vitexin (peak 5), isovitexin (peak 6), ellagic acid (peak
          7),  quercetin (peak  9)  and  luteolin (peak  10).  The  grey  correlation  degree  between  19  common  peaks  of  the  petroleum  ether
          extract  from  M.  dodecandrum  and  the  inhibition  rates  of  NO  and TNF-α  were  all  greater  than  0.7;  peaks  19,  13,  9 (quercetin),
          12,  5 (vitexin),  6 (isovitexin),  8,  7 (ellagic  acid),  18,  1  were  positively  correlated  with  NO  inhibition  rate,  and  peaks  8,  10
         (luteolin),  13,  15,  3,  19,  17,  7 (ellagic  acid),  18,  1  were  positively  correlated  with  inhibition  rate  of  TNF-α.  The  binding
                                                             energies of vitexin, isovitexin and quercetin with iNOS protein
             Δ  基金项目 国 家 自 然 科 学 基 金 地 区 科 学 基 金 项 目(No.     receptor  were  less  than  -5.0  kcal/mol.  CONCLUSIONS
          82460850);贵州省中央引导地方科技发展资金项目(No. 黔科中引地
                                                             Vitexin,  isovitexin  and  quercetin  may  be  the  basis  of  the  anti-
         〔2022〕4016);贵州省教育厅滚动支持省属高校科研平台团队项目
                                                             inflammatory  effect  of  the  petroleum  ether  extract  from  M.
         (No.黔教技〔2022〕022号)
             *第一作者 硕士研究生。研究方向:中药及民族药质量控制及新                   dodecandrum.
          药研究。E-mail:13765463921@163.com                     KEYWORDS     Melastoma  dodecandrum;  petroleum  ether
             # 通信作者 教授,硕士生导师。研究方向:中药及民族药质量控                  extract;   fingerprint;   anti-inflammatory;   spectrum-effect
          制及新药研究。E-mail:mxp001130@sina.com                   relationship


          中国药房  2024年第35卷第23期                                              China Pharmacy  2024 Vol. 35  No. 23    · 2877 ·
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