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           was implemented between September 2019 and December 2020. Sixty SPF Sprague-Dawley rats were selected,and divided
           into five groups using the RAND function in Excel:control,COPD,acute exacerbation of COPD(AECOPD),Western
           Medicine,and integrated Chinese and Western Medicine. Except the control group,other groups were exposed to cigarette smoke
           and heat,and received intranasal administration of lipopolysaccharide to develop COPD in acute exacerbation to stable stage
           with phlegm-heat syndrome. The intervention in the acute exacerbation stage lasted for 8 days,during which Western Medicine
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           group received intragastric administration of solution containing moxifloxacin hydrochloride tablets(0.027 g·kg ·d )
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           and salbutamol sulfate tablets(0.41 mg·kg ·d ),integrated Chinese and Western Medicine group received intragastric
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           administration of solution containing Tongsai granules(7.2 g·kg ·d ),moxifloxacin hydrochloride tablets(0.027 g·kg -1
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           ·d ),and salbutamol sulfate tablets(0.41 mg·kg ·d ),the other three groups received intragastric administration of
           isotonic(0.9%) sodium chloride 2 ml per day. Subsequently,the intervention in the stable period lasted for 14 days,during
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           which western medicine group received intragastric administration of salbutamol sulfate tablets 0.41 mg·kg ·d ,and the
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           integrated Chinese and Western Medicine group received intragastric administration of BufeiYishen formula 4.42 g·kg ·d  and
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           salbutamol sulfate tablets 0.41 mg·kg ·d . The other three groups received intragastric administration of isotonic(0.9%)
           sodium chloride 2 ml per day. The forced vital capacity (FVC),forced expiratory volume during the first 300 milliseconds (FEV 0.3 ),
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           FEV 0.3 /FVC ratio,and sIgA,as well as CD 3  and CD 4 ,in the lung and gut were detected after the interventions. Results The
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           FVC,FEV 0.3 ,FEV 0.3 /FVC ratio,sIgA in the lung and gut,as well as expression level of CD 3  in the lung,showed a trend of
           successive decrease across control group,COPD group,and AECOPD group(P<0.05). The above-mentioned parameters were
           lower in AECOPD group than those of Western Medicine group or integrated Chinese and Western Medicine group(P<0.05).
           And they were lower in Western Medicine group than those of integrated Chinese and Western Medicine group(P<0.05).
           Conclusion Integrated Chinese and Western Medicine treatment may improve immunity of the rat model via repairing the
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           immune barrier function of the lung and gut by increasing the expression of sIgA,CD 3 ,and CD 4  in the lung and gut,which
           provides evidence for the prevention and treatment of COPD with Chinese medicine.
               【Key words】 Pulmonary disease,chronic obstructive;Phlegm heat syndrome;Integrated Chinese traditional and
           Western Medicine therapy;Immunologic factors;Rats
               慢性阻塞性肺疾病(COPD)急性加重期(AECOPD)                     1 材料与方法
           是 COPD 管理中的重要事件,严重影响患者的健康状况、                        1.1 实验动物 2019 年 9 月至 2020 年 12 月选取 SPF
           疾病进展和住院 / 再入院率         [1] 。COPD 患者气道表面普            级 SD 大鼠 60 只,雌雄各半,体质量(200±20)g,购
           遍存在分泌型免疫球蛋白 A(sIgA)缺损                [2] ,与气流       于济南朋悦实验动物繁育中心〔许可证号:SCXK(鲁)
           阻塞的严重程度相关         [3-4] 。sIgA 介导宿主保护和病原体            2019-0003〕。
           中和  [5] ,位于免疫系统抵御病原体的第一道防线。人                        1.2  香烟 红旗渠牌过滤嘴香烟,硬金红,烤烟型,
           体胃肠道与呼吸道具有典型的黏膜结构,均能分泌大量                            焦油量 10 mg,烟碱量 1 mg,烟气一氧化碳含量 12 mg,
           sIgA,并通过归巢迁移及共同免疫系统相联系,成为肺                          河南中烟工业有限责任公司生产。
           与大肠相关性的重要基础            [6] 。COPD 患者肺间质及实            1.3  药 物  脂 多 糖(LPS,100 mg,Sigma,USA, 使
           质等组织活检      [7] 发现大量 T 淋巴细胞聚集现象,表现                  用 前 用 0.9% 氯 化 钠 溶 液 溶 解 为 1 mg/ml)。0.9% 氯
                +
                                         +
                                   +
           为 CD 8 细胞数量增加,CD 3 和 CD 4 细胞数量基本不变                  化钠溶液(500 ml/ 瓶,河南竹林众生制药股份有限公
                      +
                          +
           或稍降,CD 4 /CD 8 下降,导致免疫失衡           [8] ,是 COPD      司)。通塞颗粒(TSG,药物组成为葶苈子 15 g、地
           发生和发展的关键因素           [9-10] 。中西医结合治疗 COPD           龙 15 g、赤芍 12 g、川贝母 10 g、生晒参 10 g、麦冬
           可以显著改善患者症状、减少并发症、改善肺通气功能、                           15 g、炙麻黄 9 g、制大黄 6 g、石菖蒲 10 g,由河南中
           降低致残率等      [11-12] ,但中西医结合治疗 COPD 痰热证              医药大学药学院中药制剂实验室鉴定提供,专利号:
                                                        +
           急性加重 - 稳定期对肺组织和肠组织的 sIgA、CD 3 及                     ZL201010183177.1)。补肺益肾方(BYG,药物组成为
              +
           CD 4 的影响缺乏相关证据。本研究通过观察中西医结                          黄芪 15 g、党参 9 g、枸杞子 12 g、浙贝母 9 g、山茱
           合治疗对 COPD 痰热证急性加重 - 稳定期大鼠的用力                        萸 12 g 等,制成流浸膏备用,含生药量 1.848 g/ml,由
           肺活量(FVC)、第 0.3 秒用力呼气容积(FEV 0.3 )、                   河南中医药大学药学院中药制剂实验室鉴定提供,专
                                                      +
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           FEV 0.3 /FVC 以及肺、肠组织的 sIgA、CD 3 和 CD 4 水平           利号:ZL201110117578.1)。盐酸莫西沙星片(MXF,
           产生的影响,明确中西医结合治疗对肺组织和肠组织的                            0.4 g×3 s,拜复乐,拜尔医药保健有限公司,国药准
           免疫屏障功能的修复作用,以期为 COPD 的中医药诊治                         字 J20150015)。硫酸沙丁胺醇片(STL,2 mg×100 s,
           提供新思路。                                              金坛,江苏亚邦爱普森药业有限公司,国药准字
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