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基质金属蛋白酶-9抑制剂对犬体外循环肺损伤的影响
被引量:
4
1
作者
龚文辉
葛圣林
+3 位作者
张成鑫
张胜权
冯俊波
张雷
《中国胸心血管外科临床杂志》
CAS
2010年第1期36-40,共5页
目的研究外源性基质金属蛋白酶-9(matrix metalloproteinases-9,MMP-9)抑制剂多西环素(Doxycycline)对体外循环(CPB)引起肺损伤的保护作用。方法将20只健康杂种幼犬(体重10~12kg),采用随机数字表法随机分为对照组(n=10)和实验组(n=10)...
目的研究外源性基质金属蛋白酶-9(matrix metalloproteinases-9,MMP-9)抑制剂多西环素(Doxycycline)对体外循环(CPB)引起肺损伤的保护作用。方法将20只健康杂种幼犬(体重10~12kg),采用随机数字表法随机分为对照组(n=10)和实验组(n=10);对照组:CPB前后不采取任何肺保护措施;实验组:CPB术前3d每天饲料拌食多西环素(30mg/kg体重)。采用酶联免疫吸附(ELISA)法检测血浆MMP-9浓度;监测两组犬血流动力学和呼吸参数,计算术前和术后肺泡-动脉氧分压差(A-aDO2)和呼吸指数(RI);比色法测定支气管肺泡灌洗液(BALF)髓过氧化物酶(MPO)活性;考马斯亮蓝G-250法测定BALF总蛋白。CPB后,在光学显微镜和电子显微镜下观察肺组织形态学改变;计算肺组织干湿重系数(W/D)。结果两组犬血浆MMP-9浓度随CPB时间延长而显著增高,CBP150min和270min时实验组血浆中MMP-9含量较对照组显著下降(9.45±5.29ng/mlvs.18.66±5.90ng/ml,t=3.664,P=0.005;16.63±2.90ng/mlvs.26.17±5.96ng/ml,t=5.216,P=0.001)。实验组MPO活性,BALF中总蛋白浓度,肺组织W/D,术后A-aDO2和RI均较对照组均明显减低,差异有统计学意义(t=5.622,P=0.000;t=5.081,P=0.001;t=2.266,P=0.050;t=4.927,P=0.001;t=6.679,P=0.000)。肺组织病理和电子显微镜显示实验组损伤明显减轻。结论多西环素通过抑制MMP-9的分泌,降低细胞基底膜的降解,减轻肺泡白细胞浸润和肺水肿,可起到对肺的保护作用。
展开更多
关键词
体外循环
急性肺损伤
基质金属蛋白酶
多西环素
肺保护
下载PDF
职称材料
祛风活血丸对实验性自身免疫性葡萄膜炎大鼠血清IL-35和IL-10表达的影响
被引量:
7
2
作者
贺莉
喻京生
+3 位作者
秦汉
高健
王颢筱
姚琬华
《上海中医药大学学报》
CAS
2018年第3期62-66,共5页
目的:观察祛风活血丸对实验性自身免疫性葡萄膜炎(experimental autoimmune uveitis,EAU)模型大鼠血清中IL-35、IL-10表达的动态影响,探讨祛风活血丸对EAU的疗效和作用机制。方法:将80只Lewis大鼠随机分为空白组、模型组、阳性对照组及...
目的:观察祛风活血丸对实验性自身免疫性葡萄膜炎(experimental autoimmune uveitis,EAU)模型大鼠血清中IL-35、IL-10表达的动态影响,探讨祛风活血丸对EAU的疗效和作用机制。方法:将80只Lewis大鼠随机分为空白组、模型组、阳性对照组及祛风活血丸低剂量组、高剂量组,每组16只。空白组不作处理,其余均予以右后足垫注射光感受器间维生素A结合蛋白(interphotoreceptor retinoid-binding protein,IRBP)建立EAU大鼠模型。空白组与模型组予以蒸馏水灌胃,祛风活血丸低剂量组和高剂量组分别予以不同剂量祛风活血丸药液灌胃,阳性对照组予以熊胆开明片药液灌胃,灌胃均14 d。自造模开始,每天于裂隙灯下观察EAU大鼠眼前节变化,并采用Caspi临床分级标准进行评分;分别自灌胃起7、14、2l、28 d分批处死大鼠,腹主动脉采血,ELISA检测血清IL-35及IL-10含量。结果:Caspi临床分级评分结果显示,自造模第4天起造模组评分均明显高于空白组,差异均有统计学意义(P<0.05,P<0.01),说明EAU模型制备成功。ELISA结果显示,模型组各时间点IL-35及IL-10较空白组明显升高,差异均有统计学意义(P<0.01);造模各组大鼠与空白组相比,血清IL-35含量明显先升高后降低,而血清IL-10含量明显升高,各时间点差异均有统计学意义(P<0.01),其中以祛风活血丸低、高剂量组最为明显(P<0.05,P<0.01)。结论:祛风活血丸可能通过调节免疫抑制因子IL-35、IL-10的活性及浓度对自身免疫性葡萄膜炎大鼠发挥一定的治疗作用。
展开更多
关键词
实验性自身免疫性葡萄膜炎
祛风活血丸
IL-35
IL-10
原文传递
题名
基质金属蛋白酶-9抑制剂对犬体外循环肺损伤的影响
被引量:
4
1
作者
龚文辉
葛圣林
张成鑫
张胜权
冯俊波
张雷
机构
安徽医科大学第二附属医院心胸外科
安徽医科大学第一附属医院心血管外科
出处
《中国胸心血管外科临床杂志》
CAS
2010年第1期36-40,共5页
基金
安徽省自然科学基金资助项目(070413070)~~
文摘
目的研究外源性基质金属蛋白酶-9(matrix metalloproteinases-9,MMP-9)抑制剂多西环素(Doxycycline)对体外循环(CPB)引起肺损伤的保护作用。方法将20只健康杂种幼犬(体重10~12kg),采用随机数字表法随机分为对照组(n=10)和实验组(n=10);对照组:CPB前后不采取任何肺保护措施;实验组:CPB术前3d每天饲料拌食多西环素(30mg/kg体重)。采用酶联免疫吸附(ELISA)法检测血浆MMP-9浓度;监测两组犬血流动力学和呼吸参数,计算术前和术后肺泡-动脉氧分压差(A-aDO2)和呼吸指数(RI);比色法测定支气管肺泡灌洗液(BALF)髓过氧化物酶(MPO)活性;考马斯亮蓝G-250法测定BALF总蛋白。CPB后,在光学显微镜和电子显微镜下观察肺组织形态学改变;计算肺组织干湿重系数(W/D)。结果两组犬血浆MMP-9浓度随CPB时间延长而显著增高,CBP150min和270min时实验组血浆中MMP-9含量较对照组显著下降(9.45±5.29ng/mlvs.18.66±5.90ng/ml,t=3.664,P=0.005;16.63±2.90ng/mlvs.26.17±5.96ng/ml,t=5.216,P=0.001)。实验组MPO活性,BALF中总蛋白浓度,肺组织W/D,术后A-aDO2和RI均较对照组均明显减低,差异有统计学意义(t=5.622,P=0.000;t=5.081,P=0.001;t=2.266,P=0.050;t=4.927,P=0.001;t=6.679,P=0.000)。肺组织病理和电子显微镜显示实验组损伤明显减轻。结论多西环素通过抑制MMP-9的分泌,降低细胞基底膜的降解,减轻肺泡白细胞浸润和肺水肿,可起到对肺的保护作用。
关键词
体外循环
急性肺损伤
基质金属蛋白酶
多西环素
肺保护
Keywords
Objective To study
the
protective effect of exogenous m
at
rix metalloproteinases-9(MMP-9) inhibitor Doxycycline against lung injury during cardiopulmonary bypass(CPB) in dogs. Methods Twenty healthy mongrel puppies(weighed 10 -12 kg) were divided into control group (n=10) and experimental group(n=10) with random number table. In control group, no measure was taken to protect lung before and after CPB. In experimental group,
the
feeding food was mixed with Doxycycline (30 mg/kg, body weight) daily for three days before oper
at
ion. Enzyme-linked immunosorbent assay(
elisa
) was used to measure
the
plasma concentr
at
ion of MMP-9. Hemodynamic and respir
at
ory parameters in two groups were monitored.
the
preoper
at
ive and postoper
at
ive alveolar-arterial oxygen partial pressure difference (A-aDO2) and respir
at
ory index(RI) were calcul
at
ed.
the
myeloperoxidase(MPO)activity of bronchoalveolar lavage fluid(BALF)was determined by colorimetry.
the
total protein of BALF was measured by Coomassie Brillian...更多t Blue G-250. After CPB, light microscope and electronic microscope were used to observe
the
morphological changes of lung tissue.
the
dry to wet weight index(W/D) was calcul
at
ed.
results
In both groups,
the
plasma concentr
at
ions of MMP-9 increased significantly as
the
time of CPB prolonged.
the
plasma MMP-9
at
150 min and 270 min after CPB in experimental group decreased significantly than those in control group (9.45±5.29 ng/ml vs. 18.66±5.90 ng/ml, t=3.664, P=0.005
16.63±2.90 ng/ml vs. 26.17±5.96 ng/ml, t=5.216, P= 0.001). MPO activity, total protein of BALF, W/D, postoper
at
ive A-aDO2 and RI in experimental group decreased significantly than those in control group.
the
re were significant differences between two groups(t=5.622, P=0.000
t=5.081, P=0.001
t=2.266, P=0.050
t=4.927, P=0.001
t=6.679,P=0.000).
the
lung histop
at
hology and electronic microscope
showed
that
the
lung injury reduced significantly. Conclusion Doxycycline plays a role in lung protection by inhibiting
the
secretion of MMP-9, reducing
the
degrad
at
ion of cell basement membrane, pulmonary neutrophil infiltr
at
ion and pulmonary edema. 还原 Objective To study
the
protective effect of exogenous m
at
rix metalloproteinases-9(MMP-9) inhibitor Doxycycline against lung injury during cardiopulmonary bypass(CPB) in dogs. Methods Twenty healthy mongrel puppies(weighed 10 -12 kg) were divided into control group (n=10) and experimental group(n=10) with random number table. In control group, no measure was taken to protect lung before and after CPB. In experimental group,
the
feeding food was mixed with Doxycycline (30 mg/kg, body weight) daily for three days before oper
at
ion. Enzyme-linked immunosorbent assay(
elisa
) was used to measure
the
plasma concentr
at
ion of MMP-9. Hemodynamic and respir
at
ory parameters in two groups were monitored.
the
preoper
at
ive and postoper
at
ive alveolar-arterial oxygen partial pressure difference (A-aDO2) and respir
at
ory index(RI) were calcul
at
ed.
the
myeloperoxidase(MPO)activity of bronchoalveolar lavage fluid(BALF)was determined by colorimetry.
the
total protein of BALF was measured by Coomassie Brillian...更多t Blue G-250. After CPB, light microscope and electronic microscope were used to observe
the
morphological changes of lung tissue.
the
dry to wet weight index(W/D) was calcul
at
ed.
results
In both groups,
the
plasma concentr
at
ions of MMP-9 increased significantly as
the
time of CPB prolonged.
the
plasma MMP-9
at
150 min and 270 min after CPB in experimental group decreased significantly than those in control group (9.45±5.29 ng/ml vs. 18.66±5.90 ng/ml, t=3.664, P=0.005
16.63±2.90 ng/ml vs. 26.17±5.96 ng/ml, t=5.216, P= 0.001). MPO activity, total protein of BALF, W/D, postoper
at
ive A-aDO2 and RI in experimental group decreased significantly than those in control group.
the
re were significant differences between two groups(t=5.622, P=0.000
t=5.081, P=0.001
t=2.266, P=0.050
t=4.927, P=0.001
t=6.679,P=0.000).
the
lung histop
at
hology and electronic microscope
showed
that
the
lung injury reduced significantly. Conclusion Doxycycline plays a role in lung protection by inhibiting
the
secretion of MMP-9, reducing
the
degrad
at
ion of cell basement membrane, pulmonary neutrophil infiltr
at
ion and pulmonary edema. 还原Cardiopulmonary bypass
Acute lung injury
M
at
rix metalloproteinase
Doxycycline
Lung protection
分类号
R654.1 [医药卫生—外科学]
下载PDF
职称材料
题名
祛风活血丸对实验性自身免疫性葡萄膜炎大鼠血清IL-35和IL-10表达的影响
被引量:
7
2
作者
贺莉
喻京生
秦汉
高健
王颢筱
姚琬华
机构
湖南中医药大学第一附属医院眼科
湖南中医药大学
出处
《上海中医药大学学报》
CAS
2018年第3期62-66,共5页
基金
国家自然科学基金项目(81273808)
湖南省教育厅科学研究项目(17A164)
文摘
目的:观察祛风活血丸对实验性自身免疫性葡萄膜炎(experimental autoimmune uveitis,EAU)模型大鼠血清中IL-35、IL-10表达的动态影响,探讨祛风活血丸对EAU的疗效和作用机制。方法:将80只Lewis大鼠随机分为空白组、模型组、阳性对照组及祛风活血丸低剂量组、高剂量组,每组16只。空白组不作处理,其余均予以右后足垫注射光感受器间维生素A结合蛋白(interphotoreceptor retinoid-binding protein,IRBP)建立EAU大鼠模型。空白组与模型组予以蒸馏水灌胃,祛风活血丸低剂量组和高剂量组分别予以不同剂量祛风活血丸药液灌胃,阳性对照组予以熊胆开明片药液灌胃,灌胃均14 d。自造模开始,每天于裂隙灯下观察EAU大鼠眼前节变化,并采用Caspi临床分级标准进行评分;分别自灌胃起7、14、2l、28 d分批处死大鼠,腹主动脉采血,ELISA检测血清IL-35及IL-10含量。结果:Caspi临床分级评分结果显示,自造模第4天起造模组评分均明显高于空白组,差异均有统计学意义(P<0.05,P<0.01),说明EAU模型制备成功。ELISA结果显示,模型组各时间点IL-35及IL-10较空白组明显升高,差异均有统计学意义(P<0.01);造模各组大鼠与空白组相比,血清IL-35含量明显先升高后降低,而血清IL-10含量明显升高,各时间点差异均有统计学意义(P<0.01),其中以祛风活血丸低、高剂量组最为明显(P<0.05,P<0.01)。结论:祛风活血丸可能通过调节免疫抑制因子IL-35、IL-10的活性及浓度对自身免疫性葡萄膜炎大鼠发挥一定的治疗作用。
关键词
实验性自身免疫性葡萄膜炎
祛风活血丸
IL-35
IL-10
Keywords
the elisa results showed that
,
at different timepoints
the
IL-35 and IL-10 levels in
the
model group were obviously higher
分类号
R285.5 [医药卫生—中药学]
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1
基质金属蛋白酶-9抑制剂对犬体外循环肺损伤的影响
龚文辉
葛圣林
张成鑫
张胜权
冯俊波
张雷
《中国胸心血管外科临床杂志》
CAS
2010
4
下载PDF
职称材料
2
祛风活血丸对实验性自身免疫性葡萄膜炎大鼠血清IL-35和IL-10表达的影响
贺莉
喻京生
秦汉
高健
王颢筱
姚琬华
《上海中医药大学学报》
CAS
2018
7
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