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·药学研究·


          基于PFC-NAc-VTA神经环路代谢组学探讨疏肝和胃汤的抗抑郁
          作用机制
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          屈鑫月 ,胡俊杰 ,李 娟 ,章 敏 ,周 贤 ,刘松林 ,陈 新 (1.湖北中医药大学中药资源与中药化学湖北省
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          重点实验室,武汉 430065;2.湖北中医药大学中医临床学院,武汉 430060)
          中图分类号  R965      文献标志码  A      文章编号  1001-0408(2025)10-1172-07
          DOI  10.6039/j.issn.1001-0408.2025.10.04
          摘   要  目的  基于前额叶皮层(PFC)-伏隔核(NAc)-腹侧被盖区(VTA)神经环路代谢组学探讨疏肝和胃汤(SGHWT)的抗抑郁
          作用机制。方法  将雄性SD大鼠随机分为空白组,模型组,SGHWT低、中、高剂量组[3.67、7.34、14.68 g/(kg·d),以生药量计]以及
          氟西汀组[1.58 mg/(kg·d),阳性对照],每组12只。除空白组外,其余各组大鼠均采用慢性不可预知温和应激结合单笼饲养的方式
          构建抑郁模型,并于造模同时灌胃相应药液或生理盐水,每天1次,持续6周。末次给药后,检测各组大鼠的体重、糖水偏好率、总
          移动距离、穿越中心次数和不动时间。收集空白组、模型组、SGHWT中剂量组、氟西汀组大鼠的脑组织PFC、NAc、VTA区样本,观
          察其组织形态学特征,进行非靶向代谢组学分析(氟西汀组除外)并验证。结果  与模型组相比,各药物组大鼠3个脑区细胞溶解、
          结构受损等病理损伤均明显改善,其体重、糖水偏好率、总移动距离、穿越中心次数均显著升高或延长(P<0.05),不动时间均显著
          缩短(P<0.05);非靶向代谢组学结果显示,共鉴定出78个内源性差异代谢物,PFC、NAc、VTA区分别有40、35、24个,主要涉及氨
          基酸、脂质、鞘脂代谢等;代谢通路富集分析结果显示,SGHWT主要通过鞘脂代谢,丙氨酸、天冬氨酸和谷氨酸代谢,不饱和脂肪
          酸的生物合成3条代谢通路对抑郁大鼠的神经环路产生影响,且以丙氨酸、天冬氨酸和谷氨酸代谢通路为主;验证实验结果显示,
          SGHWT可显著升高大鼠NAc区蛋白激酶B(Akt)、哺乳动物雷帕霉素靶蛋白(mTOR)的磷酸化水平,显著下调N-甲基-D-天冬氨
          酸受体1(NMDAR1)蛋白的表达。结论  SGHWT可显著改善模型大鼠的抑郁样行为,减轻其PFC-NAc-VTA神经环路组织的病理
          损伤,上述作用可能与抑制NMDAR1蛋白表达、激活Akt/mTOR信号通路有关。
          关键词  疏肝和胃汤;抑郁;非靶向代谢组学;PFC-NAc-VTA神经环路;NMDAR1/Akt/mTOR信号通路

          Exploration  of  the  antidepressant  mechanism  of  Shugan  hewei  tang  based  on  metabolomics  of  PFC-NAc-
          VTA neural circuit
          QU Xinyue ,HU Junjie ,LI Juan ,ZHANG Min ,ZHOU Xian ,LIU Songlin ,CHEN Xin (1.  Hubei  Key
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          Laboratory  of  Resources  and  Chemistry  of  Chinese  Medicine,  Hubei  University  of  Chinese  Medicine,  Wuhan
          430065,  China;2.  Clinical  College  of  Chinese  Medicine,  Hubei  University  of  Chinese  Medicine,  Wuhan
          430060, China)
          ABSTRACT    OBJECTIVE  To  investigate  the  antidepressant  mechanism  of  Shugan  hewei  tang (SGHWT)  based  on  the
          metabolomics  of  prefrontal  cortex (PFC)-nucleus  accumbens (NAc)-ventral  tegmental  area (VTA)  neural  circuit.  METHODS
          Male SD rats were randomly divided into blank group, model group, SGHWT low-, medium- and high-dose groups [3.67, 7.34,
          14.68 g/(kg·d), by raw material], and fluoxetine group [1.58 mg/(kg·d), positive control], with 12 rats in each group. Except for
          the blank group, the depression model was established by chronic unpredictable mild stress combined with individual cage housing
          in the remaining groups, and the corresponding drug solution or normal saline was administered via gavage during modeling, once
          a  day,  for  6  consecutive  weeks.  After  the  last  administration,  the  body  weight,  sucrose  preference  rate,  total  moving  distance,
                                                              frequency  into  the  center  and  immobility  time  of  rats  in  each
              Δ 基金项目 国家自然科学基金项目(No.82004253);湖北省自然
          科学基金计划项目(No.2023AFD146);湖北省中医药重点学科建设项               group were detected. Samples of PFC, NAc and VTA areas of
          目(No. 鄂中医通〔2023〕2 号);湖北省卫生健康委重点科研项目(No.             rats  in  the  blank  group,  model  group,  SGHWT  medium-dose
          WJ2023Z002);湖 北 省 中 医 药 管 理 局 中 医 药 联 合 基 金 项 目(No.  group  and  fluoxetine  positive  control  groups  were  collected,
          ZY2025L221)                                         and  their  histomorphological  features  were  observed,  and  non-
             *第一作者 硕士研究生。研究方向:中药药效物质基础。E-
                                                              targeted  metabolomics  analysis (except  for  fluoxetine  group)
          mail:qxyzhq@163.com
              # 通信作者 副研究员,硕士生导师,博士。研究方向:中药药效物                 were  performed  and  validated.  RESULTS  Compared  with
          质基础。E-mail:chenxin30172@hotmail.com                 model  group,  the  cytolysis,  structural  damage  and  other


          · 1172 ·    China Pharmacy  2025 Vol. 36  No. 10                            中国药房  2025年第36卷第10期
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