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帕唑帕尼,一种多靶点酪氨酸激酶抑制剂,可减少糖尿病性视网膜血管白细胞淤滞和渗漏。

Pazopanib, a multitargeted tyrosine kinase inhibitor, reduces diabetic retinal vascular leukostasis and leakage.

机构信息

Nanomedicine and Drug Delivery Laboratory, Department of Pharmaceutical Sciences, Aurora, CO 80045, USA.

出版信息

Microvasc Res. 2011 Nov;82(3):346-50. doi: 10.1016/j.mvr.2011.09.001. Epub 2011 Sep 16.

Abstract

OBJECTIVE

To determine the efficacy of pazopanib eye drops in the streptozotocin induced diabetic retinopathy rat model.

METHODS

A 0.5% w/v pazopanib suspension was prepared in phosphate buffered saline (PBS, pH 7.4) in the presence of 0.5% w/v sodium carboxymethyl cellulose. Brown Norway rats were divided into three groups (n=4) - (1) healthy, (2) diabetic, and (3) diabetic with treatment. The drug suspension was administered twice daily as eye drops to group 3 for 30 days. Efficacy parameters including the number of adherent leukocytes in the retinal vasculature (leukostasis), blood-retinal FITC-dextran leakage, and vitreous-to-plasma protein ratio were measured.

RESULTS

Pazopanib suspension in the form of eye drops significantly reduced leukostasis (32%), FITC-dextran leakage (39%), and the vitreous-to-plasma protein ratio (64%) in diabetic animals compared to untreated diabetic group.

CONCLUSION

Pazopanib eye drops can alleviate retinal complications of diabetic retinopathy.

摘要

目的

评估帕唑帕尼滴眼液在链脲佐菌素诱导的糖尿病性视网膜病变大鼠模型中的疗效。

方法

在磷酸盐缓冲盐水(PBS,pH7.4)中制备 0.5% w/v 的帕唑帕尼混悬液,同时存在 0.5% w/v 的羧甲基纤维素钠。将褐家鼠分为三组(n=4)-(1)健康组,(2)糖尿病组,和(3)糖尿病治疗组。药物混悬液以滴眼液的形式每日两次施用于第 3 组 30 天。评估疗效参数包括视网膜血管中的黏附白细胞数(白细胞淤滞)、血视网膜 FITC-葡聚糖渗漏和玻璃体液-血浆蛋白比。

结果

与未治疗的糖尿病组相比,帕唑帕尼滴眼液混悬液形式显著降低了糖尿病动物的白细胞淤滞(32%)、FITC-葡聚糖渗漏(39%)和玻璃体液-血浆蛋白比(64%)。

结论

帕唑帕尼滴眼液可减轻糖尿病性视网膜病变的视网膜并发症。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c34a/3233473/6c0bad0de1ee/nihms330439f1.jpg

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