Enhanced expression of vascular endothelial growth factor in metastatic melanoma.

Enhanced expression of vascular endothelial growth factor in metastatic melanoma.
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血管内皮生长因子在转移性黑色素瘤中的表达增强。

DOI:
10.1038/bjc.1997.486
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发表时间:
1997
影响因子:
8.8
通讯作者:
Joensuu H
Joensuu H
中科院分区:
医学1区
文献类型:
--
作者:
Salven P;Heikkilä P;Joensuu H

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肿瘤的生长依赖于血管生成。血管内皮生长因子(VEGF)是一种分泌的内皮细胞特异性细胞因子。血管内皮生长因子是体内血管生成因子,也是一种血管通透性因子。血管内皮生长因子在许多以血管生成和血管通透性增加为特征的皮肤病中过度表达。我们用免疫组织化学方法研究了22例原发皮肤黑色素瘤、33例转移性黑色素瘤和6例色素痣组织中血管内皮生长因子的表达。血管内皮生长因子在正常真皮血管内皮细胞中聚集,提示在正常生理条件下,结构性低水平的血管内皮生长因子表达可能调节皮肤血管功能。新生血管内皮细胞和正常真皮细胞均未检测到血管内皮生长因子。相比之下,32%的原发黑色素瘤和91%的转移性黑色素瘤含有表达血管内皮生长因子的黑色素瘤细胞。血管内皮生长因子在转移性黑色素瘤中的表达比在原发黑色素瘤中更常见(P<0.0001)。肿瘤浸润性炎症细胞在所有黑色素瘤中均表达血管内皮生长因子。高表达血管内皮生长因子的炎性细胞与黑色素瘤细胞高表达相关(P=0.003)。我们的结果表明,在黑色素瘤的发展和扩散过程中,血管内皮生长因子表达上调,表达血管内皮生长因子的肿瘤浸润性细胞可能参与了黑色素瘤的进展。
Tumour growth is dependent on angiogenesis. Vascular endothelial growth factor (VEGF) is a secreted endothelial cell-specific cytokine. VEGF is angiogenic in vivo and it also acts as a vascular permeability factor. VEGF is overexpressed in many skin disorders characterized by angiogenesis and increased vascular permeability. We investigated VEGF expression in 22 primary cutaneous melanomas, 33 melanoma metastases and six naevocellular naevi using immunohistochemistry. VEGF accumulated on the vascular endothelia in the normal dermis, suggesting that a constitutive low level of VEGF expression may regulate skin vessel function under normal physiological conditions. No VEGF was detected in the cells of naevocellular naevi or normal dermis. In contrast, 32% of the primary and 91% of the metastatic melanomas contained melanoma cells staining for VEGF. Expression of VEGF was more frequent in metastases than in primary melanomas (P <0.0001). Tumour-infiltrating inflammatory cells expressed VEGF in all melanomas. A high number of VEGF-expressing inflammatory cells was associated with high VEGF expression in melanoma cells (P = 0.003). Our results suggest that VEGF is up-regulated during the course of melanoma progression and dissemination and that tumour-infiltrating cells expressing VEGF may contribute to the progression of melanoma.
DOI: 10.1111/1523-1747.ep12606974
发表时间: 1995-05-01
影响因子: 6.5
作者:
BROWN, LF;HARRIST, TJ;DETMAR, M
通讯作者: DETMAR, M
DOI: 10.1084/jem.174.5.1275
发表时间: 1991-11-01
期刊: The Journal of experimental medicine
影响因子: --
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发表时间: 1994-06-01
期刊: CANCER BIOTHERAPY
影响因子: --
作者:
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DOI: 10.1084/jem.180.3.1141
发表时间: 1994-09-01
期刊: The Journal of experimental medicine
影响因子: --
作者:
Detmar M;Brown LF;Claffey KP;Yeo KT;Kocher O;Jackman RW;Berse B;Dvorak HF
通讯作者: Dvorak HF
DOI: 10.1038/359843a0
发表时间: 1992-10-29
期刊: NATURE
影响因子: 64.8
作者:
SHWEIKI, D;ITIN, A;KESHET, E
通讯作者: KESHET, E