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Preparation and Mucoadhesive Test of CSA-loaded Liposomes with Different Characteristics for the Intestinal Lymphatic Delivery
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  • Preparation and Mucoadhesive Test of CSA-loaded Liposomes with Different Characteristics for the Intestinal Lymphatic Delivery
  • Preparation and Mucoadhesive Test of CSA-loaded Liposomes with Different Characteristics for the Intestinal Lymphatic Delivery
저자명
Kim. Hyong-Ju,Lee. Chang-Moon,Lee. Yong-Bok,Lee. Ki-Young
간행물명
Biotechnology and bioprocess engineering
권/호정보
2005년|10권 6호|pp.516-521 (6 pages)
발행정보
한국생물공학회
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정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Drug delivery to the lymphatic system may be important in terms of the treatment with lymphatic involvement, such as tumor metastases and immunization. Especially, drug transport via the intestinal lymphatics after oral administration has been attracted lots of interests. The purpose of this study was to prepare cyclosporin A (CSA)-loaded liposomes, with different characteristics, and evaluate their mucoadhesivity. Three liposome preparations were formulated: cationic stearylamine liposomes (SA-Lip), anionic phosphatidylserine liposomes (PS-Lip), Polymer (chitosan)-coated liposomes (CS-Lip), and characterized. The liposome preparations were found to be spherical in shape, with PS-Lip being the smallest. The liposome preparations exhibited entrapment efficiencies in the order: PS-Lip $(52.5{pm}2.9%)$ > SA-Lip $(48.8{pm}3.3%)$ > CS-Lip $(41.7{pm}4.2%)$. Finally, mucoadhesive tests were carried out using rat intestine, with SA-Lip (67%) showing the best adhesive rate of the three preparations (PS-Lip: 56%, CS-Lip: 61%). These results suggest that a positive charge on the surface of drug carriers may be an important factor for the intestinal drug delivery.