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新生血管性青光眼患者眼内白介素-6和血管内皮生长因子的定量测定 被引量:8
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作者 汤永强 李立 《眼视光学杂志》 2006年第1期12-14,共3页
目的定量测定新生血管性青光眼患者和白内障患者房水及玻璃体内血管内皮细胞生长因子(vascularendothelialgrowthfactor,VEGF)、白细胞介素6(interleukin6,IL6)的浓度,并分析其临床意义。方法采用酶联免疫吸附测定法,分别测定32例新生... 目的定量测定新生血管性青光眼患者和白内障患者房水及玻璃体内血管内皮细胞生长因子(vascularendothelialgrowthfactor,VEGF)、白细胞介素6(interleukin6,IL6)的浓度,并分析其临床意义。方法采用酶联免疫吸附测定法,分别测定32例新生血管性青光眼患者(分为两组,其中第Ⅱ组曾接受过全视网膜光凝治疗)、18例白内障患者(第Ⅲ组)的房水及玻璃体内VEGF、IL6浓度,所有患者标本均于手术中穿刺所得。结果第Ⅰ组房水及玻璃体内VEGF、IL6浓度明显高于其他两组,差异有显著性;而第Ⅱ组与第Ⅲ组相比,差异无显著性。结论眼内VEGF、IL6浓度增高在新生血管性青光眼的发生过程中起重要作用。 展开更多
关键词 白细胞介素-6/分析 血管内细胞生长因子/分析 青光眼 新生血管性/分析 白内障/分析
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慢性高眼压大鼠视网膜谷氨酸转运体GLAST mRNA表达的改变 被引量:2
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作者 闫桂刚 王竫华 +1 位作者 王大博 李树宁 《眼视光学杂志》 2006年第1期9-11,14,共4页
目的探讨大鼠视网膜M櫣ller细胞谷氨酸转运体GLASTmRNA在高眼压下的改变。方法24只Wistar大鼠24眼行三条表层巩膜静脉结扎制作高眼压模型,阳性对照组24眼为实验组的对侧眼,行假手术处理。24只大鼠随机平均分为3组,分别于眼压升高后第1... 目的探讨大鼠视网膜M櫣ller细胞谷氨酸转运体GLASTmRNA在高眼压下的改变。方法24只Wistar大鼠24眼行三条表层巩膜静脉结扎制作高眼压模型,阳性对照组24眼为实验组的对侧眼,行假手术处理。24只大鼠随机平均分为3组,分别于眼压升高后第1周、第5周、第9周处死,提取视网膜总RNA,行逆转录多聚酶链反应(reversetranscriptasepolymerasechainreacton,RTPCR),对其视网膜GLASTmRNA进行半定量分析。结果表层巩膜静脉结扎可使大鼠眼压持续中度升高至少2个月,实验组视网膜中GLASTmRNA水平在各观察时间点内(0.535±0.067,0.259±0.101和0.301±0.064)均明显低于对照组(0.954±0.031,0.885±0.067,0.909±0.508),差异有显著性(P<0.05)。结论大鼠在持续的高眼压下视网膜M櫣ller细胞谷氨酸转运体GLASTmRNA水平明显下降,而GLAST的表达减少可能是造成视网膜谷氨酸水平增高,从而导致青光眼视神经损伤的一个重要的因素。 展开更多
关键词 青光眼/分析 动物试验替代实验 谷氨酸转运体/分析 逆转录聚合酶链反应
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ACUPUNCTURE AND GLAUCOMA
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作者 王影 胡世兴 白鹏 《World Journal of Acupuncture-Moxibustion》 2006年第2期49-54,共6页
It is to recognize glaucoma in view of Chinese medicine and synthesize the treatments and mechanisms of acupuncture on glaucoma in the paper. It is indicated in the results that acupuncture plays the importance in low... It is to recognize glaucoma in view of Chinese medicine and synthesize the treatments and mechanisms of acupuncture on glaucoma in the paper. It is indicated in the results that acupuncture plays the importance in lowering ocular tension, improving ocular circulation and protecting optic nerve. Additionally, acupuncture inhibits probably the cellular apoptosis of optic ganglion and provides definite actions on psychological factors of glaucoma. Acupuncture cannot replace operation and medicinal therapy in lowing ocular tension, but their coordinated and auxiliary effects are quite clear and definite. 展开更多
关键词 Acupuncture Glaucoma Pathogenesis Treatment
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Melanopsin-expressing retinal ganglion cell loss and behavioral analysis in the Thy1-CFP-DBA/2J mouse model of glaucoma 被引量:4
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作者 ZHANG Qi VUONG Helen +4 位作者 HUANG Xin WANG YanLing BRECHA Nicholas C. PU MingLiang GAO Jie 《Science China(Life Sciences)》 SCIE CAS 2013年第8期720-730,共11页
In this study, the role of melanopsin-expressing retinal ganglion cells (mRGCs) in the glaucoma-induced depressive behavioral response pattern was investigated. The CFP-D2 transgenic glaucoma animal model from five ... In this study, the role of melanopsin-expressing retinal ganglion cells (mRGCs) in the glaucoma-induced depressive behavioral response pattern was investigated. The CFP-D2 transgenic glaucoma animal model from five age groups was used in this study. Immunohistochemical labeling, quantitative analysis of mRGC morphology, open field test (OFT), and statistical analysis were used. In comparison with C57 BL/6 mice, the age-matched CFP-D2 mice had significantly elevated intraocular pressure (lOP). We observed parallel morphological changes in the retina, including a reduction in the density of cyan fluorescent protein- (CFP) expressing cells (cells mm^-2 at 2 months of age, 1309±26; 14 months, 878±30, P〈0.001), mRGCs (2 months, 48_+3; 14 months, 19±4, P〈0.001), Brn3b-expressing RGCs (2 months, 1283±80; 14 months, 950±31, P〈0.001), Brn-3b expressing mRGCs (5 months, 50.17%±5.5%; 14 months, 12.61%±3.8%, P〈0.001), and reduction in the dendritic field size of mRGCs (mm^2 at 2 months, 0.077±0.015; 14 months, 0.065±0.015, P〈0.05). CFP-D2 mice had hyperactive locomotor activity patterns based on OFT findings of the total distance traveled, number of entries into the center, and time spent in the center of the testing apparatus. The glaucoma induced hyperactive response pattern could be associated with dysfunctional mRGCs, most likely Brn-3b-positive mRGCs in CFP-D2 mice. 展开更多
关键词 pigmentary glaucoma Thyl-CFP-DBA/2J mouse retinal ganglion cells melanopsin-expressing retinal ganglion cells depression
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