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Open Access Surface modification of liposomes for cardiomyocytes targeting in vitro

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The effect of novel 3-{4-[2-hydroxyl-(1-methyl ethylamine) propyl oxygen]phenyl}propionic acid cetylester (PAC) as a surface modification ligand on the delivery of liposomes into cultured cardiomyocytes was investigated. Small unilamellar liposomes with and without PAC (PAC-liposome and Plain-liposome) were labeled with a fluorescence marker. The cultured neonatal cardiomyocytes were incubated with liposomes under normoxia or hypoxia conditions, and then the cell-associated fluorescence was measured. A high affinity of the PAC-liposomes to cardiomyocytes was observed. The amount of cell uptake of PAC-liposomes under normoxia conditions was 4-fold higher than that of plain-liposome, and the increase was 8.5-fold when hypoxia occured. The results suggested that PAC is a potential surface modification ligand for liposome targeting the ischemic myocardium.
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Document Type: Short Communication

Affiliations: 1: Department of Pharmaceutical Sciences, Shenyang Pharmaceutical University, Liaoning, P.R. China 2: Department of Pharmaceutical Sciences, Shenyang Pharmaceutical University, No. 103, Wenhua Road, P.O. Box 52, Liaoning, 110016, P.R. China, Email: [email protected]

Publication date: March 1, 2005

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  • Pharmazie is a leading journal in the field of pharmaceutical sciences. As a peer-reviewed scientific journal, Pharmazie is regularly indexed in the relevant databases like Web of science, Journal Citation Reports and many others. The journal is open for submissions from the whole spectrum of pharnaceutical sciences including Pharmaceutical Chemistry, Experimental and Clinical Pharmacology, Drug Analysis, Pharmaceutics, Pharmaceutical Biology, Clinical Pharmacy etc.
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