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Asialoglycoprotein receptor (ASGPR) is highly expressed on the surface of parenchymal liver cells. It can specifically recognize and bind to desialylated glycoproteins which contain terminal galactose or N-acetylgalactosamine residues, and endocytosed by clathrin-mediated endocytosis, transported and then degraded in lysosome. Based on this character, ASGPR mediated liver-targeted drug delivery is likely to increase drug distribution, reduce potential side effects and lower dose. This article reviewed the expression, structure, ligand binding and endocytosis of ASGPR, and summarized the design and optimization of ASGPR ligands and the release strategies. Finally, we put forward some expects about the clinical drug development for ASGPR.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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