Abstract:
:We constructed two replication-deficient recombinant adenovirus vectors coding human basic fibroblast growth factor (bFGF), one with and one without the interleukin-2 (IL-2) secretory signal sequence and examined their neurotrophic effects on primary neuronal cells in vitro. The primary neuronal cells were successfully infected at a high efficiency with the adenovirus vectors. bFGF protein was detected in the culture medium of the neurons infected with both these vectors. The cells infected with the bFGF-expressing adenovirus containing the IL-2 signal sequence showed 2- to 10-fold higher levels of secretion levels than cells infected with the native bFGF-expressing adenovirus alone. Both bFGF-expressing vectors augmented the survival of primary neuronal cells in an in vitro culture, compared with a mock infection or control virus infection. Notably, the cells infected with the bFGF-expressing adenovirus containing the IL-2 signal sequence were markedly enhanced cell survival in the early phase of the culture, compared with the control cells and even those infected with the bFGF-expressing adenovirus without the IL-2 signal sequence. However, in the late phase of neuronal culture, neither viral vector could support the cell survival. In contrast the co-infection of the bFGF-expressing vector with a Bcl-xL-expressing vector was extremely effective on neuronal survival.
journal_name
Neuroreportjournal_title
Neuroreportauthors
Matsuoka N,Miyatake S,Yukawa H,Takahashi JC,Saiki M,Mori H,Ishii K,Akimoto M,Hamada H,Hashimoto Ndoi
10.1097/00001756-200006260-00039subject
Has Abstractpub_date
2000-06-26 00:00:00pages
2001-6issue
9eissn
0959-4965issn
1473-558Xjournal_volume
11pub_type
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