title: Efficient osteoblast differentiation from mouse bone marrow stromal cells with polylysin-modified adenovirus vectors.
abstract: Bone marrow stromal cells (BMSCs) are expected to be a source for tissue regeneration because they can differentiate into multiple cell types. Establishment of efficient gene transfer systems for BMSCs is essential for their application to regenerative medicine. In this study, we compared the transduction efficiency in mouse primary BMSCs by using fiber-modified adenovirus (Ad) vectors, and demonstrated that AdK7, which harbors a polylysin (K7) peptide in the C-terminus of the fiber knob, could efficiently express a transgene in BMSCs. Notably, AdK7 robustly drove transgene expression in more than 90% of the BMSCs at 3,000 vector particles/cell. Furthermore, we showed that in vitro and in vivo osteogenic potential of BMSCs was dramatically promoted by the transduction of Runx2 gene using AdK7. These results indicate that this transduction system could be a powerful tool for therapeutic applications based on BMSCs.
authors.affiliation: Laboratory of Gene Transfer and Regulation, National Institute of Biomedical Innovation, Ibaraki, Osaka, Japan.
authors.forename: Katsuhisa
authors.initials: K
authors.lastname: Tashiro
authors.forename: Asami
authors.initials: A
authors.lastname: Kondo
authors.forename: Kenji
authors.initials: K
authors.lastname: Kawabata
authors.forename: Haruna
authors.initials: H
authors.lastname: Sakurai
authors.forename: Fuminori
authors.initials: F
authors.lastname: Sakurai
authors.forename: Koichi
authors.initials: K
authors.lastname: Yamanishi
authors.forename: Takao
authors.initials: T
authors.lastname: Hayakawa
authors.forename: Hiroyuki
authors.initials: H
authors.lastname: Mizuguchi
mesh_terms: D000256:Adenoviridae / Q000235:genetics; D000818:Animals; D001854:Bone Marrow Cells / Q000166:cytology*; D018929:Cell Culture Techniques; D002454:Cell Differentiation; D050659:Core Binding Factor Alpha 1 Subunit / Q000235:genetics; D005822:Genetic Vectors / Q000737:chemistry / Q000235:genetics; D051379:Mice; D010006:Osteoblasts / Q000166:cytology / Q000502:physiology*; D010012:Osteogenesis; D011107:Polylysine / Q000737:chemistry; D017154:Stromal Cells / Q000166:cytology; D014161:Transduction, Genetic / Q000379:methods*
chemical_list: D050659:Core Binding Factor Alpha 1 Subunit; C493716:Runx2 protein, mouse; D011107:Polylysine