传统中医本草文献含有丰富的中医知识,是中医理论研究的重要载体.为了更好地挖掘中医本草知识,精准地实现中医本草文献命名实体识别任务,提出了一种基于特征增强的Bert-BiGRU-CRF中医本草命名实体识别模型,使用特征融合器拼接Bert生成...传统中医本草文献含有丰富的中医知识,是中医理论研究的重要载体.为了更好地挖掘中医本草知识,精准地实现中医本草文献命名实体识别任务,提出了一种基于特征增强的Bert-BiGRU-CRF中医本草命名实体识别模型,使用特征融合器拼接Bert生成的词向量与实体特征作为输入,以双向门控循环单元(bi-directional gated recurrent unit, BiGRU)为特征提取器,以条件随机场(conditional random fields, CRF)进行标签预测,通过特征增强的方法更好地识别中医本草的药名、药性、药味、归经等实体及其边界信息,完成中医本草命名实体任务.在中医本草数据集上的实验结果表明,融入特征的模型F1值达到了90.54%,证明了所提出的方法可以更好地提高中医本草命名实体识别精度.展开更多
Allergic asthma is thought to arise from an imbalance of immune regulation, which is characterized by the production of large quantities of Ig E antibodies by B cells and a decrease of the interferon-γ/interleukin-4(...Allergic asthma is thought to arise from an imbalance of immune regulation, which is characterized by the production of large quantities of Ig E antibodies by B cells and a decrease of the interferon-γ/interleukin-4(Th1/Th2) ratio. Certain immunomodulatory components and Chinese herbal formulae have been used in traditional herbal medicine for thousands of years. However, there are few studies performing evidence-based Chinese medicine(CM) research on the mechanisms and efficacy of these drugs in allergic asthma. This review aims to explore the roles of Chinese herbal formulae and herb-derived compounds in experimental research models of allergic asthma. We screened published modern CM research results on the experimental effects of Chinese herbal formulae and herb-derived bioactive compounds for allergic asthma and their possible underlying mechanisms in English language articles from the Pub Med and the Google Scholar databases with the keywords allergic asthma, experimental model and Chinese herbal medicine. We found 22 Chinese herb species and 31 herb-derived anti-asthmatic compounds as well as 12 Chinese herbal formulae which showed a reduction of airway hyperresponsiveness, allergen-specific immunoglobulin E, inflammatory cell infiltration and a regulation of Th1 and Th2 cytokines in vivo, in vitro and ex vivo, respectively. Chinese herbal formulae and herbderived bioactive compounds exhibit immunomodulatory, anti-inflammatory and anti-asthma activities in different experimental models and their various mechanisms of action are being investigated in modern CM research with genomics, proteomics and metabolomics technologies, which will lead to a new era in the development of new drug discovery for allergic asthma in CM.展开更多
文摘传统中医本草文献含有丰富的中医知识,是中医理论研究的重要载体.为了更好地挖掘中医本草知识,精准地实现中医本草文献命名实体识别任务,提出了一种基于特征增强的Bert-BiGRU-CRF中医本草命名实体识别模型,使用特征融合器拼接Bert生成的词向量与实体特征作为输入,以双向门控循环单元(bi-directional gated recurrent unit, BiGRU)为特征提取器,以条件随机场(conditional random fields, CRF)进行标签预测,通过特征增强的方法更好地识别中医本草的药名、药性、药味、归经等实体及其边界信息,完成中医本草命名实体任务.在中医本草数据集上的实验结果表明,融入特征的模型F1值达到了90.54%,证明了所提出的方法可以更好地提高中医本草命名实体识别精度.
基金Supported by the Austrian EURASIA-PACIFIC UNINET Technology Scholarship,the Austrian Federal Ministry of Science and Research and the Austrian Federal Ministry of Health(GZ 402.000/0006-II/6b/2012)the National Basic Research Program of China(No.2014CB543203)
文摘Allergic asthma is thought to arise from an imbalance of immune regulation, which is characterized by the production of large quantities of Ig E antibodies by B cells and a decrease of the interferon-γ/interleukin-4(Th1/Th2) ratio. Certain immunomodulatory components and Chinese herbal formulae have been used in traditional herbal medicine for thousands of years. However, there are few studies performing evidence-based Chinese medicine(CM) research on the mechanisms and efficacy of these drugs in allergic asthma. This review aims to explore the roles of Chinese herbal formulae and herb-derived compounds in experimental research models of allergic asthma. We screened published modern CM research results on the experimental effects of Chinese herbal formulae and herb-derived bioactive compounds for allergic asthma and their possible underlying mechanisms in English language articles from the Pub Med and the Google Scholar databases with the keywords allergic asthma, experimental model and Chinese herbal medicine. We found 22 Chinese herb species and 31 herb-derived anti-asthmatic compounds as well as 12 Chinese herbal formulae which showed a reduction of airway hyperresponsiveness, allergen-specific immunoglobulin E, inflammatory cell infiltration and a regulation of Th1 and Th2 cytokines in vivo, in vitro and ex vivo, respectively. Chinese herbal formulae and herbderived bioactive compounds exhibit immunomodulatory, anti-inflammatory and anti-asthma activities in different experimental models and their various mechanisms of action are being investigated in modern CM research with genomics, proteomics and metabolomics technologies, which will lead to a new era in the development of new drug discovery for allergic asthma in CM.