期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 226, 期 -, 页码 1192-1202出版社
ELSEVIER
DOI: 10.1016/j.ijbiomac.2022.11.233
关键词
Acute kidney injury; CD44; Hyaluronic acid; Curcumin; Liposome
In this study, a hyaluronic acid-coated liposome (HALP) nanocomplexes targeting renal epithelial cells was developed to relieve acute kidney injury (AKI). HALP demonstrated higher antioxidant, anti-inflammatory, and anti-apoptotic capacities compared to liposomes (LP) in vitro. HALP not only targeted and accumulated in the injured kidney, but also effectively reduced the inflammatory response, decreased tubular necrosis, and restored kidney function in the AKI model.
Acute kidney injury (AKI) is a pathological process with high morbidity, and drug resistance is easy to occur due to untargeted drug therapy. Curcumin can repair acute kidney injury. The expression of the CD44 receptor in renal tubular epithelial cells is abnormally elevated during AKI, and hyaluronic acid (HA) has the ability to bind specifically to the CD44 receptor. In this study, we developed a hyaluronic acid-coated liposome (HALP) nanocomplexes that targeted renal epithelial cells and its effect of relieving AKI was investigated. HALP was formed by self-assembly through the electrostatic interaction of curcumin-loaded cationic liposomes (LP) with hyaluronic acid and responds to the release of curcumin in the acidic microenvironment of lesions to treat AKI. HALP had good stability and biocompatibility. The in vitro results showed that compared to LP, HALP exhibited higher antioxidant, anti-inflammatory, and anti-apoptotic capacities. The AKI model suggested that HALP could not only target and accumulate in the injured kidney but also had an excellent ability to reduce the inflammatory response, which decreased tubular necrosis and restored kidney function.
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