書誌事項
- タイトル別名
-
- Reduction and increase of the reticuloendotherial system(RES) uptake of glycoprotein-conjugated liposomes by linking a ternimal sugar-chain with sialic acid.
この論文をさがす
抄録
Different sialic acid-linked glycoprotein-conjuagted liposomes were prepared. N-acetyl-glacosaminylated (GlcNAc) human albumin (HSA)-coupled iposomes (GlcNAc-HSA-Lip) were enzymatically galactosylated at 4-position, and fucosylated at 3-position of GlcNAc to prepare LX. Galactose of LX was enzymatically sialylated at 3-position to do SLX. GlcNAc of GlcNAc-HSA-Lip was modified with 3'-sialyated galactose, or 6'-sialyated galactose at 4-position, to prepare 3 SLN and 6 SLN, respectively. The reticuloendotherial system (RES) uptake of these conjugates was investigated in Ehrlich-solid tumor-bearing mice. Sialic acid linked with a terminal sugar chain of SLX increased the uptake by RES, such as liver and spleen. Whereas, sialic acid of 3 SLN and 6 SLN reduced the RES uptake. Besides, uptake of liposomes by tumor tissues was closely correlated with a long blood circulating character of these conjugates. These results suggest that sialic acid residue increases the RES uptake of glycoprotein-conjugated liposomes in presence of fucose-residue nearby, while it reduces the uptake via masking galactose-residue in absence of fucose-residue. Thus, modification of glycoprotein-conjugated liposomes with sialic acid may lead to be development of a useful carrier for drug delivery system (DDS).
収録刊行物
-
- Drug Delivery System
-
Drug Delivery System 17 (1), 63-68, 2002
日本DDS学会
- Tweet
詳細情報 詳細情報について
-
- CRID
- 1390001204640476928
-
- NII論文ID
- 10008132113
-
- NII書誌ID
- AN10084591
-
- ISSN
- 18812732
- 09135006
-
- 本文言語コード
- ja
-
- データソース種別
-
- JaLC
- Crossref
- CiNii Articles
-
- 抄録ライセンスフラグ
- 使用不可