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Two-photon microscopy of a Flt1 peptide-hyaluronate conjugate

机译:Flt1肽-透明质酸结合物的双光子显微镜

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Aim: Two-photon microscopy was performed to visualize ocular distribution of Flt1 peptide-hyaluronate (HA) conjugate micelles for eye drop treatment of corneal neovascularization. Materials & methods: Flt1 peptide-HA conjugate micelles were topically administered to the eye for two-photon microscopy and antiangiogenic effect assessment after silver nitrate cauterization. Results: In vivo two-photon microscopy revealed that Flt1 peptide-HA conjugate micelles were absorbed and remained on the corneal epithelia with an increased residence time, facilitating the corneal delivery of carboxyfluorescein succinimidyl ester (CFSE) as a model drug. Furthermore, repeated eye drops of Flt1 peptide-HA conjugate micelles showed comparable therapeutic effect to the subconjunctival injection on the corneal neovascularization. Discussion & conclusion: We confirmed the feasibility of Flt1 peptide-HA conjugate micelles for eye drop treatment of corneal neovascularization.
机译:目的:进行双光子显微镜观察,以观察Flt1肽-透明质酸(HA)缀合物胶束的眼部分布,用于眼药水治疗角膜新生血管。材料与方法:将Flt1肽-HA缀合物胶束局部施用于眼部,以进行双光子显微镜检查并在硝酸银烧灼后评估抗血管生成作用。结果:体内双光子显微镜检查显示Flt1肽-HA共轭胶束被吸收并保留在角膜上皮上,但停留时间增加,从而促进了羧基荧光素琥珀酰亚胺酯(CFSE)作为模型药物的角膜递送。此外,Flt1肽-HA缀合物胶束的反复滴眼液对结膜下注射对角膜新生血管显示出可比的治疗效果。讨论与结论:我们证实了Flt1肽-HA共轭胶束在滴眼液治疗角膜新生血管中的可行性。

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