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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Jpn+J+Cancer+Res
1995 ; 86
(12
): 1189-97
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gab.com Text
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English Wikipedia
Dual pathways of tubular morphogenesis of vascular endothelial cells by human
glioma cells: vascular endothelial growth factor/basic fibroblast growth factor
and interleukin-8
#MMPMID8636009
Wakabayashi Y
; Shono T
; Isono M
; Hori S
; Matsushima K
; Ono M
; Kuwano M
Jpn J Cancer Res
1995[Dec]; 86
(12
): 1189-97
PMID8636009
show ga
In this study, we examined whether human glioma cells are angiogenic in a model
using human microvascular endothelial cells, and also which factor is responsible
for the glioma-dependent angiogenesis. Tubular morphogenesis in type I collagen
gel by human microvascular endothelial cells was stimulated in the presence of 10
and 100 ng/ml of vascular endothelial growth factor (VEGF), 10 ng/ml basic
fibroblast growth factor (bFGF) and 10 ng/ml of interleukin-8 (IL-8). Tube
formation of the microvascular endothelial cells was assayed in the glioma cell
lines IN157 and IN301, co-cultured using the double chamber method. IN301 cells
had much higher levels of VEGF, bFGF and transforming growth factor-beta mRNA
than IN157 cells, whereas the two had similar levels of transforming growth
factor-alpha mRNA. By contrast, IN157 cells had much higher levels of IL-8 mRNA
than IN301 cells. IN301-dependent tubular morphogenesis was inhibited by
anti-VEGF or anti-bFGF antibody, and the inhibition was almost complete when
anti-VEGF and anti-bFGF antibodies were present. On the other hand,
IN157-dependent tubular morphogenesis was inhibited by anti-IL-8 antibody, but
not by anti-VEGF or anti-bFGF antibodies. These findings demonstrated dual
paracrine controls of tumor angiogenesis by human glioma cells. One is mediated
through VEGF and/or bFGF, and the other, through IL-8.