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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Yang, Guodong Zhao, Ming Gui, Lin Wu, Jianhui Wang, Yaonan Zhang, Xiaoyi Wang, Yuji Peng, Shiqi Zhao, Shurui Zhu, Haimei |
| Copyright Year | 2017 |
| Abstract | Thrombosis is a serious threat to human health worldwide. Tetrahydroisoquinoline-3-carboxylic acid (IQCA) is an antithrombotic agent, while Thr-Ala-Arg-Gly-Asp(Ser)-Ser (TASS) can target thrombus. Herein, tetrahydro-isoquinoline-3-carbonyl-Thr-Ala-Arg-Gly-Asp(Ser)-Ser (IQCA-TASS) was designed with the aim towards the discovery of a nano-delivery system for targeting thrombus. In vitro, IQCA-TASS acted on P-selectin and down-regulated P-selectin expression. The IC50 values of IQCA-TASS against the platelet aggregation induced by four aggregators were less than 0.45 nM. In vivo, IQCA-TASS targeted thrombus, released IQCA and TASS inside the thrombus, showed dose-dependent anti-thrombotic action, of which the minimal effective dose was 1 nmol kg−1, and showed anti-inflammatory action. Even with the dose up to 1 μmol kg−1, a dose of 1000 times the minimal effective dose, IQCA-TASS still induced no toxic reaction. In rat plasma, IQCA-TASS formed nanoparticles with diameters of less than 41 nm. The interactions of the nanoparticles with both resting and activated platelets were imaged. IQCA-TASS should be a safe nano-medicine capable of targeting thrombus and releasing anti-thrombotic/anti-inflammatory pharmacophores in disease sites. |
| Starting Page | 917 |
| Ending Page | 927 |
| Page Count | 11 |
| File Format | HTM / HTML PDF |
| ISSN | 2050750X |
| Volume Number | 5 |
| Issue Number | 5 |
| Journal | Journal of Materials Chemistry B |
| DOI | 10.1039/c6tb02705a |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | TASS IQCA Tetrahydroisoquinoline Carboxylic acid Thrombosis Thrombus P-selectin IC50 Platelet Effective dose (radiation) Blood plasma |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Medicine Materials Science Biomedical Engineering |
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