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Magnetic Force-based Mesenchymal Stem Cell Expansion Using Antibody-conjugated Magnetoliposomes by Akira Ito; Eri Hibino; Kazunori Shimizu; Takeshi Kobayashi; Yoichi Yamada; Hideharu Hibi; Minoru Ueda; Hiroyuki Honda is a Medicine article available to read on EtoBox.

What is Magnetic Force-based Mesenchymal Stem Cell Expansion Using Antibody-conjugated Magnetoliposomes about?

## Abstract Recently, there has been an accumulation of evidence indicating that human mesenchymal stem cells (MSCs, multipotent cells resident in the bone marrow) are useful for autologous cell transplantation. However, only small numbers of MSCs have been obtained in bone marrow aspirates. We have developed a novel methodology for enriching and proliferating MSCs from bone marrow aspirates using antibody‐conjugated magnetoliposomes (AMLs). The AMLs are liposomes conjugated to anti‐CD105 antibody (immunoliposomes) and contain magnetite nanoparticles (diameter 10 nm). In the present study, the AMLs were added to a small volume (1 mL) of human bone marrow aspirate. After a 1‐h incubation period, the bone marrow aspirates containing AMLs were seeded into 10‐cm tissue culture dishes, and a disk‐shaped magnet (diameter 2.2 cm; height 1 cm; 4000 Gauss) was positioned under the dish to enrich MSCs by magnetic force. The MSCs proliferated, forming colonies at the site where the magnet was positioned. In contrast, no colonies and very few viable cells were observed in ordinary culture based on plastic‐adherent tendencies of cells without use of AMLs. These results suggest that this AML cul

Who reads Magnetic Force-based Mesenchymal Stem Cell Expansion Using Antibody-conjugated Magnetoliposomes?

Author

Akira Ito; Eri Hibino; Kazunori Shimizu; Takeshi Kobayashi; Yoichi Yamada; Hideharu Hibi; Minoru Ueda; Hiroyuki Honda

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 1552-4973)

Published

2005

Language

EN

Field

Medicine (Health Sciences)