LEDGFp52 Controls Rat Retinal Ganglion Cell Neurite Growth in Culture and Regulates Specific Neuronal Growth-associated Genes and Protein Production  

Oleh:

Zhao, H.S. ; Chen, S.J. ; Wu, N. ; Wang, X.Q.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: The Journal of International Medical Research vol. 36 no. 04 (Jul. 2008), page 815-829.

Ketersediaan

Perpustakaan FK Nomor Panggil: J11.K.2008.02 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

Lihat Detail Induk

Isi artikel

We investigated the regulation of primary neurite growth and expression of specific growth-associated genes by lens epithelium-derived growth factor (LEDGF) in rat retinal ganglion cells (RGCs). A pAd-LEDGFp52 adenovirus vector and a siRNALEDGFp52 eucaryotic expression vector were transfected into cultured RGCs. Transfection with pAd-LEDGFp52 significantly increased the number of neurites and their lengths compared with untransfected control RGCs. The expression of growth associated protein 43 (GAP43), microtubule-associated protein 2 (MAP2), and low-molecular-weight neurofilament (NF-L) genes and proteins were also significantly up-regulated. In contrast, the introduction of siRNA-LEDGFp52 significantly decreased the number and length of neurites, and significantly down-regulated the expression GAP43, NF-L and MAP2 genes and proteins compared with controls. Our findings suggest that LEDGFp52 might act as a dendritic arborization gene as well as an axonal elongation gene in RGCs and that it might be beneficial to the functional recovery of regenerating RGCs.

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