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title£ºThe preliminary evaluation on cholesterol-modified pullulan as a drug nanocarrier. Drug Deliv, 2014; 21(7): 501¨C508 doi£º10.3109/10717544.2014.895068 published: 2014 Informa Healthcare USA, Inc |
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wwzzchem: ½ð±Ò+5 2015-08-27 16:37:47
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wwzzchem: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú, ÓÐÓà 2015-03-04 10:03:39
wwzzchem: ½ð±Ò+5 2015-08-27 16:37:47
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he preliminary evaluation on cholesterol-modified pullulan as a drug nanocarrier ×÷Õß:Shen, SG (Shen, Shigang)[ 1 ] ; Li, HY (Li, Haiying)[ 1 ] ; Yang, WZ (Yang, Wenzhi)[ 2 ] DRUG DELIVERY ¾í: 21 ÆÚ: 7 Ò³: 501-508 DOI: 10.3109/10717544.2014.895068 ³ö°æÄê: NOV 2014 ²é¿´ÆÚ¿¯ÐÅÏ¢ ÕªÒª To further develop cholesterol-modified pullulan self-aggregated nanoparticles (CHSPNs) as a drug nanocarrier, CHSP was synthesized and characterized. Its cholesterol degree determined by H-1 NMR was 5.2 cholesterol groups per hundred glucose units. CHSPNs were prepared in aqueous media and characterized by dynamic laser light-scattering (DLS), zeta potential and transmission electron microscopy (TEM). These nanoparticles were almost spherical in shape, and the zeta potentials of CHSPNs were near zero in aqueous media. CHSPNs can be stable at least 2 months with no significant size and zeta potential changes. Single dose toxicity test in mice was investigated for the safety evaluation of CHSPNs as a drug nanocarrier, and the result showed CHSPNs were well tolerated at the dose of 200 mg/kg in mice. Epirubicin (EPI)-loaded CHSPNs (EPI-CHSPNs) were prepared and the in vivo pharmacokinetics and biodistribution were studied. Compared with the EPI solution, EPI-CHSPNs have exhibited higher plasma drug concentration, longer half-life time (t(1/2)) and the larger area under-the-curve (AUC). Moreover, the drug level of EPI-CHSPNs increased in liver and decreased in heart. The results indicated that CHSPNs were stable, safe and may be a promising drug delivery carrier. ¹Ø¼ü´Ê ×÷Õ߹ؼü´Ê:Cholesterol-modified pullulan; epirubicin; nanoparticles; pharmacokinetics; stability; toxicity KeyWords Plus:HYDROPHOBIZED POLYSACCHARIDE; BEARING PULLULAN; IN-VIVO; NANOPARTICLES; CARRIER; PHARMACOKINETICS; STABILIZATION; SYSTEMS; CLEARANCE; STABILITY ×÷ÕßÐÅÏ¢ ͨѶ×÷ÕßµØÖ·: Shen, SG (ͨѶ×÷Õß) ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ Hebei Univ, Coll Chem & Environm Sci, Baoding 071002, Peoples R China. µØÖ·: ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ [ 1 ] Hebei Univ, Coll Chem & Environm Sci, Baoding 071002, Peoples R China ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ [ 2 ] Chinese Acad Med Sci, Peking Union Med Coll, Inst Biomed Engn, Tianjin, Peoples R China µç×ÓÓʼþµØÖ·:pharm_shen@163.com; wenzhi_yang@sina.com »ù½ð×ÊÖúÖÂл »ù½ð×ÊÖú»ú¹¹ ÊÚȨºÅ Natural Science Foundation of Hebei Province H2012201069 B2013201181 Science and Technology Planning Project of Hebei Province 13272705 Natural Science Foundation of Hebei University, China 2010-193 ²é¿´»ù½ð×ÊÖúÐÅÏ¢ ³ö°æÉÌ INFORMA HEALTHCARE, TELEPHONE HOUSE, 69-77 PAUL STREET, LONDON EC2A 4LQ, ENGLAND Àà±ð / ·ÖÀà Ñо¿·½Ïò harmacology & PharmacyWeb of Science Àà±ð harmacology & PharmacyÎÄÏ×ÐÅÏ¢ ÎÄÏ×ÀàÐÍ:Article ÓïÖÖ:English Èë²ØºÅ: WOS:000344800500001 PubMed ID: 24625263 ISSN: 1071-7544 eISSN: 1521-0464 ÆäËûÐÅÏ¢ IDS ºÅ: AT2YM Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 37 Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 0 |
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