title: Optimization on preparation conditions of Rehmannia glutinosa polysaccharide liposome and its immunological activity.
abstract: The aim of this study was to investigate the optimizing preparation conditions and immunological enhancement activity of Rehmannia glutinosa polysaccharide liposome (RGPL). RGPL was prepared using the reverse-phase evaporation method and optimized using the response surface methodology. The immunological enhancement activity of RGPL on splenocyte proliferation was measured. These results showed that the optimum preparation conditions were: a soybean phosphatide to cholesterol ratio of 8:1, a chloroform to methanol ratio of 3:5, a soybean phosphatide to tween 80 ratio of 10:1, a temperature (°C) of 66°C and an entrapment efficiency of 72.753 ± 0.318%. In a single stimulation of drugs, RGPL could significantly promote splenocyte proliferation, specifically at 200 μg mL(-1). Moreover, in a synergistic stimulation of drugs with LPS or PHA, a significant difference was obtained between the RGPL and RGP at 100-400 μg mL(-1), which indicated that the immunological enhancement of RGP was significantly improved after encapsulation with the liposome.
authors.affiliation: Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China.
authors.forename: Yee
authors.initials: Y
authors.lastname: Huang
authors.affiliation: Jiangsu Animal Husbandry & Veterinary College, Taizhou, Jiangsu Province 225300, PR China.
authors.forename: Caihong
authors.initials: C
authors.lastname: Wu
authors.affiliation: Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China.
authors.forename: Zhenguang
authors.initials: Z
authors.lastname: Liu
authors.affiliation: Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China.
authors.forename: Yuanliang
authors.initials: Y
authors.lastname: Hu
authors.affiliation: Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China.
authors.forename: Cheng
authors.initials: C
authors.lastname: Shi
authors.affiliation: Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China.
authors.forename: Yun
authors.initials: Y
authors.lastname: Yu
authors.affiliation: Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China.
authors.forename: Xiaojuan
authors.initials: X
authors.lastname: Zhao
authors.affiliation: Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China.
authors.forename: Cui
authors.initials: C
authors.lastname: Liu
authors.affiliation: Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China.
authors.forename: Jiaguo
authors.initials: J
authors.lastname: Liu
authors.affiliation: Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China.
authors.forename: Yi
authors.initials: Y
authors.lastname: Wu
authors.affiliation: Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China. Electronic address: dywang@njau.edu.cn.
authors.forename: Deyun
authors.initials: D
authors.lastname: Wang
mesh_terms: D000818:Animals; D008081:Liposomes / Q000737:chemistry* / Q000276:immunology; D008214:Lymphocytes / Q000187:drug effects / Q000276:immunology; D051379:Mice; D011134:Polysaccharides / Q000737:chemistry* / Q000276:immunology; D032267:Rehmannia / Q000737:chemistry*
chemical_list: D008081:Liposomes; D011134:Polysaccharides
keywords: Lymphocyte proliferation; Rehmannia glutinosa polysaccharide liposome; Response surface methodology