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Triphenylphosphonium and D-α-tocopheryl polyethylene glycol 1000 succinate-modified, tanshinone IIA-loaded lipid-polymeric nanocarriers for the targeted therapy of myocardial infarction

Authors Zhang S, Li J, Hu S, Wu F, Zhang X

Received 14 February 2018

Accepted for publication 7 May 2018

Published 10 July 2018 Volume 2018:13 Pages 4045—4057

DOI https://doi.org/10.2147/IJN.S165590

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Cristina Weinberg

Peer reviewer comments 2

Editor who approved publication: Dr Linlin Sun


Shouwen Zhang, Jingfang Li, Shunpeng Hu, Fangfang Wu, Xianzhao Zhang

Department of Cardiology, Linyi People’s Hospital, Linyi, People’s Republic of China

Background: Cardiovascular diseases (CVDs) are the leading causes of mortality worldwide. Currently, the best treatment options for myocardial infarction focus on the restoration of blood flow as soon as possible, which include reperfusion therapy, percutaneous coronary intervention, and therapeutic thrombolytic drugs.
Materials and methods: In the present study, we report the development of lipid-polymeric nanocarriers (LPNs) for mitochondria-targeted delivery of tanshinone IIA (TN). D-α-tocopheryl polyethylene glycol 1000 succinate (TPGS) was linked to the triphenylphosphonium (TPP) cation. The LPNs were fabricated by nanoprecipitation method. LPNs were evaluated in vitro and in vivo in comparison with free drugs and other similar nanocarriers.
Results: The mean diameter of TN/nanoparticles (NPs) was 89.6 nm, while that of TN/LPNs was 121.3 nm. The zeta potential of TN/NPs and TN/LPNs was –33.6 and –22.3 mV, respectively. Compared with free TN and TN/NPs, TN/LPNs exhibited significantly improved compatibility and therapeutic efficiency. In addition, the in vivo pharmacokinetics, biodistribution, and infarct therapy studies in Sprague Dawley rats showed that TPP-TPGS/TN/LPNs had better efficiency than their nonmodified TN/LPNs counterparts in all respects.
Conclusion: These results indicated that the TPP-TPGS/TN/LPNs were promising nanocarriers for efficient delivery of cardiovascular drugs and other therapeutic agents for the treatment of CVDs.

Keywords: myocardial infarction, mitochondria targeting, lipid-polymeric nanocarriers, D-α-tocopheryl polyethylene glycol 1000 succinate, triphenylphosphonium, tanshinone IIA

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