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Efficacy of scleral-fixated 3-looped haptics intraocular lens implantation for surgical management of microspherophakia
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作者 Xue-Wen Yu Xian Ge +5 位作者 Wei-Jie Chen Shuang Ni Xue-Qi Lin Si-Ting Sheng Dan Chen Wen Xu 《International Journal of Ophthalmology(English edition)》 SCIE CAS 2022年第12期1944-1950,共7页
AIM:To evaluate the safety and efficacy of scleral-fixated 3-looped haptics intraocular lens(IOL)implantation for surgical management of microspherophakia.METHODS:A retrospective case series include 10 microspherophak... AIM:To evaluate the safety and efficacy of scleral-fixated 3-looped haptics intraocular lens(IOL)implantation for surgical management of microspherophakia.METHODS:A retrospective case series include 10 microspherophakic patients(15 eyes)who underwent lens removal plus a modified surgical treatment of scleral-fixated 3-looped haptics IOL implantation.The primary outcomes involved visual acuity,intraocular pressure(IOP).Secondary outcomes were spherical equivalent(SE),anterior chamber depth(ACD),corneal endothelial cell density and postoperative complications.RESULTS:After a postoperative follow-up of 17.60±15.44mo,improved visual outcomes can be observed.The uncorrected distance visual acuity(UCVA)log MAR improved from 1.54±0.59 preoperatively to 0.51±0.35 postoperatively(P=0.001),and best corrected visual acuity(BCVA)log MAR improved from 0.97±0.91 preoperatively to 0.24±0.23 postoperatively(P=0.003).Moreover,the SE decreased from-9.58±7.47D preoperatively to-0.65±2.21 D postoperatively(P<0.001).In terms of safety profile,the average IOP decreased from 21.10±12.94 mm Hg preoperatively to 14.03±3.57 mm Hg postoperatively(P=0.044),and the previously elevated IOP of three eyes decreased to the normal range.The ACD increased from 2.25±1.45 mm preoperatively to 3.35±0.39 mm postoperatively(P=0.017).The density of corneal endothelial cells did not change significantly after surgery(P=0.140).The posterior chamber IOLs were well centered and no severe complications were found.CONCLUSION:Lens removal plus the modified surgical treatment of scleral-fixated 3-looped haptics IOL implantation can help in improvement of visual acuity,which can be regarded as a relative safe method for the surgical management of microspherophakia. 展开更多
关键词 microspherophakia transscleral suture fixation 3-looped haptics intraocular lens
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融合蛋白CXCL10-loop3-EGF的可溶性表达及其抗肿瘤效应研究
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作者 沈波 傅鹰 +3 位作者 孟哲峰 徐巍 何小帆 朱敏 《中国病理生理杂志》 CAS CSCD 北大核心 2009年第12期2376-2380,共5页
目的:构建重组趋化因子CXCL10及表皮生长因子受体干扰序列融合蛋白(CXCL10-loop3-EGF),验证其靶向性抗肿瘤效应及抑制血管形成活性。方法:运用RT-PCR从经IFN-γ刺激活化的PBMC中扩增人CXCL10基因,运用重叠延伸PCR法扩增CXCL10-loop3-EG... 目的:构建重组趋化因子CXCL10及表皮生长因子受体干扰序列融合蛋白(CXCL10-loop3-EGF),验证其靶向性抗肿瘤效应及抑制血管形成活性。方法:运用RT-PCR从经IFN-γ刺激活化的PBMC中扩增人CXCL10基因,运用重叠延伸PCR法扩增CXCL10-loop3-EGF融合基因,并将其与载体pTG19-T连接、转化大肠杆菌DH5α、筛选阳性克隆,CXCL10-loop3-EGF融合基因与载体pET32a(+)连接、转化大肠杆菌Origami B(DE3),诱导可溶性表达重组his-CXCL10-loop3-EGF融合蛋白,并经镍柱亲和层析、酶切、超滤及透析等方法获得纯化的重组CXCL10-loop3-EGF融合蛋白。通过Transwell细胞趋化实验及HUVEC血管形成抑制实验验证此融合蛋白的抗肿瘤效应。结果:SDS-PAGE和Western blotting证实CXCL10-loop3-EGF融合蛋白构建成功,纯化后的融合蛋白具有显著的趋化活化PBMC活性及抑制HUVEC血管形成活性。结论:成功构建融合蛋白CXCL10-loop3-EGF,该蛋白具有较好的靶向性抗肿瘤活性。 展开更多
关键词 CXCL10-loop3-EGF融合蛋白 可溶性表达 抗肿瘤效应
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