The invention relates to an autologous serum cornea medium-term preservation solution for veterinary use and a preparation method thereof, belonging to the technical field of veterinary medicine reagent preparation. By using donor serum, the invention provides an economical and effective preparation scheme, and solves the problem that there is no medium-term corneal preservation solution for veterinary use and commercial medium-term corneal preservation solution for human use is expensive. The following medicines were dissolved in double steamed water to prepare a solution containing MEM9.5g, HEPES 5.96g, dextran 20g, sodium bicarbonate 2.2g, dexamethasone sodium phosphate 25mg, reduced glutathione 0.92g, gentamicin 10mg, amphotericin B 250 ug, sodium hyaluronate 15 mg, donor serum 300mL, filtered sterilization, and preserved at 4 degrees C. The cornea preservation effect of autologous serum preservation solution and serum-free preservation solution is compared by detecting the activity of corneal endothelial cells, corneal transparency, thickness and tissue structure of rabbit cornea. The cornea preservation effect of autologous serum preservation solution and serum-free preservation solution is 7 to 14 days, and the corneal endothelium is protected and corneal edema is inhibited.
【技术实现步骤摘要】
一种兽用自体血清角膜中期保存液及其制备方法
本专利技术涉及一种兽用自体血清角膜中期保存液及其制备方法,属于兽药试剂制备
技术介绍
随着中国宠物数量的迅速发展,宠物疾病迅速增多。角膜移植已成为治疗严重犬角膜疾病的常用手术。角膜保存液为移植术提供了供体角膜,并使角膜移植术由紧急手术转化为择期手术,为供体和供体角膜的检查提供时间。然而目前兽医临床角膜移植缺乏有效、经济和简便的角膜保存液。维持角膜内皮的生存能力和完整性是角膜保存技术的重要目标。按照对角膜内皮细胞活性的影响,角膜保存可分为活性保存和非活性保存。活性保存又可根据保存时间分为短期保存、中期保存和长期保存。短期保存主要指湿房保存,是将全眼取出,经灭菌处理,封闭放置在4℃湿房中。该方法保存时间在48小时内,难以满足术前筛查,移植失败率偏高。长期保存包括器官培养和深低温冷冻保存,可维持角膜活性数周至数年,但所需设备复杂,价格昂贵。中期角膜保存是将供体角膜片无菌储存于4℃保存液中,利用低温抑制角膜代谢,降低组织能量需求,使角膜内皮活性保持4~14天。目前常用中期保存液有Optisol、Eusol-C、Opti ...
【技术保护点】
1.一种兽用自体血清角膜中期保存液,其特征在于,每1000mL角膜中期保存液组成为:MEM培养基9.5g、HEPES缓冲液5.96g、葡聚糖20g、碳酸氢钠2.2g、地塞米松磷酸钠25mg、还原型谷胱甘肽0.92g、庆大霉素10mg、两性霉素B 250μg、透明质酸钠15 mg、供体血清300mL,余量为双蒸水。
【技术特征摘要】
1.一种兽用自体血清角膜中期保存液,其特征在于,每1000mL角膜中期保存液组成为:MEM培养基9.5g、HEPES缓冲液5.96g、葡聚糖20g、碳酸氢钠2.2g、地塞米松磷酸钠25mg、还原型谷胱甘肽0.92g、庆大霉素10mg、两性霉素B250μg、透明质酸钠15mg、供体血清300mL,余量为双蒸水。2.根据权利要求1所述的一种兽用自体血清角膜中期保存液的制备方法,其特征在于,制备步骤包括:1)配制基础液;2)无菌条件下添加透明质酸、庆大霉素、两性霉素B;3)添加供体血清。3.根据权利要求2一种兽用自体血清角膜中期保存液的制备方法,其特征在于,基础液配制步骤包括:a)按权利要求1所述配方,将MEM培养基干粉9.5g、葡聚糖20g、碳酸氢钠2.2g、地塞米松磷酸钠25mg、还原型谷胱甘肽0.92g溶解于双蒸水中,用约5.96gHEPES缓冲液调节pH至7.4,定容至700mL;b)在超净工作台内使用0.22μm滤器,将步骤a...
【专利技术属性】
技术研发人员:李建基,崔璐莹,王亨,郭龙,张琳,李俊,
申请(专利权)人:扬州大学,
类型:发明
国别省市:江苏,32
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