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脂质体共递送齐墩果酸减轻阿霉素诱导的肝细胞癌多器官毒性。

Liposomal co-delivered oleanolic acid attenuates doxorubicin-induced multi-organ toxicity in hepatocellular carcinoma.

作者信息

Sarfraz Muhammad, Afzal Attia, Raza Shahid Masood, Bashir Sajid, Madni Asadullah, Khan Muhammad Waseem, Ma Xiang, Xiang Guangya

机构信息

School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China.

Department of Pharmacy, University of Sargodha, Sargodha, 40100, Punjab, Pakistan.

出版信息

Oncotarget. 2017 Jul 18;8(29):47136-47153. doi: 10.18632/oncotarget.17559.

DOI:10.18632/oncotarget.17559
PMID:28525367
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5564550/
Abstract

Doxorubicin in combination with other cytotoxic drugs has clinical advantages. However, doxorubicin-induced cardiotoxicity negatively impacts clinical utility and outcomes. Cardiotoxicity can result from increased oxidative stress or from a local cytochrome P450 mediated increase in 20-hydroxy-5, 8, 11, 14-eicosatetraenoic acid (20-HETE). Oleanolic acid (OA) is a natural pentacyclic triterpenoid with free radical scavenging, cardioprotective, and P450-mediated cyclooxygenase-upregulating properties. We investigated co-delivery of liposomal OA and doxorubicin in a HepG2 model of hepatocellular carcinoma (HCC). OA attenuated the cardiotoxicity induced by doxorubicin without compromising its anticancer activity. Apoptosis assays revealed that co-delivery of DOX and OA produced a synergistic anticancer effect. However, the drugs had antagonistic effects on cardiomyocytes. Female BALB/c nude mice treated with OA- and DOX-loaded liposomes (ODLs) exhibited reduced tumor growth, stable body weight, and stable organ indices. Reduced 20-HETE production suggested ODLs had limited cardiotoxicity. No changes in biochemical or histopathological markers were observed in mice treated with ODLs. Tailored co-delivery of OA and DOX may thus be an effective therapeutic strategy for treating HCC.

摘要

阿霉素与其他细胞毒性药物联合使用具有临床优势。然而,阿霉素诱导的心脏毒性对临床应用和治疗结果产生负面影响。心脏毒性可能源于氧化应激增加或局部细胞色素P450介导的20-羟基-5,8,11,14-二十碳四烯酸(20-HETE)增加。齐墩果酸(OA)是一种天然的五环三萜类化合物,具有自由基清除、心脏保护和P450介导的环氧化酶上调特性。我们在肝癌(HCC)的HepG2模型中研究了脂质体OA和阿霉素的共递送。OA减轻了阿霉素诱导的心脏毒性,同时不影响其抗癌活性。凋亡分析表明,DOX和OA的共递送产生了协同抗癌作用。然而,这两种药物对心肌细胞有拮抗作用。用载有OA和DOX的脂质体(ODLs)处理的雌性BALB/c裸鼠表现出肿瘤生长减少、体重稳定和器官指数稳定。20-HETE生成减少表明ODLs的心脏毒性有限。在用ODLs处理的小鼠中未观察到生化或组织病理学标志物的变化。因此,OA和DOX的定制共递送可能是治疗HCC的一种有效治疗策略。

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