Mediation of lung metastasis of murine melanomas by a lung-specific endothelial cell adhesion molecule.

Mediation of lung metastasis of murine melanomas by a lung-specific endothelial cell adhesion molecule.
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肺特异性内皮细胞粘附分子介导小鼠黑色素瘤的肺转移。

DOI:
10.1073/pnas.88.21.9568
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发表时间:
1991
影响因子:
11.1
通讯作者:
Pauli,BU
Pauli,BU
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Zhu,DZ;Cheng,CF;Pauli,BU

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由血管内皮细胞表达的器官特异性粘附分子已经被牵连在选择性的继发部位中的血液传播的癌细胞的停滞中。肺特异性内皮细胞粘附分子(Lu-ECAM-1)定位于肺血管的不同分支的内皮细胞,已被纯化的免疫亲和层析从洗涤剂提取物的肺基质调制的内皮细胞使用单克隆抗体(mAb)6D 3。其分子量为90 kDa,促进肺转移性B16黑色素瘤细胞的选择性附着。与它们的转移性能相对应,选择用于较高肺定殖的B16-F10肿瘤细胞以比它们的低肺转移对应物B16-F0显著更高的数目结合Lu-ECAM-1。mAb 6D 3使B16-F0和B16-F10的结合降低至略低于B16-F0与Lu-ECAM-1结合的水平。与注射对照mAb(6D 8或3C 6)的动物相比,在用B16-F10静脉内攻击前1小时将mAb 6D 3注射到C57 BL/6小鼠中导致肺集落数量减少90%。Lu-ECAM-1既不结合也不影响其他肺定殖肿瘤细胞(例如,KLN 205)。因此,肿瘤细胞的位点特异性转移受与淋巴细胞归巢类似的机制调节-即,通过血液传播的癌细胞识别并粘附于不同的内皮细胞粘附分子的能力。
Organ-specific adhesion molecules expressed by vascular endothelial cells have been implicated in the arrest of blood-borne cancer cells in selective, secondary sites. A lung-specific endothelial cell adhesion molecule (Lu-ECAM-1) localized on endothelia of distinct branches of lung blood vessels has been purified by immunoaffinity chromatography from detergent extracts of lung matrix-modulated endothelial cells using monoclonal antibody (mAb) 6D3. It has a molecular mass of 90 kDa and promotes the selective attachment of lung-metastatic B16 melanoma cells. Corresponding with their metastatic performance, B16-F10 tumor cells selected for higher lung colonization bind to Lu-ECAM-1 in significantly higher numbers than their low lung metastatic counterpart B16-F0. Binding of B16-F0 and B16-F10 is reduced with mAb 6D3 to slightly lower levels than B16-F0 bound to Lu-ECAM-1. mAb 6D3 injected into C57BL/6 mice 1 hr prior to an i.v. challenge with B16-F10 causes a 90% reduction in the number of lung colonies compared with animals injected with control mAb (6D8 or 3C6). Lu-ECAM-1 neither binds nor effects metastasis of other lung-colonizing tumor cells (e.g., KLN205). Thus, site-specific metastasis of tumor cells is regulated by similar mechanisms as the homing of lymphocytes--namely, by the ability of blood-borne cancer cells to recognize and adhere to distinct endothelial cell adhesion molecules.
产生针对器官特异性内皮细胞表面决定簇的单克隆抗体。
DOI: 10.1177/39.8.1856462
发表时间: 1991
期刊: The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society
影响因子: --
作者:
Zhu,DZ;Pauli,BU
通讯作者: Pauli,BU
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DOI: --
发表时间: 1991
期刊: Cancer research
影响因子: 11.2
作者:
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通讯作者: Pauli,BU
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发表时间: 1986-01-01
影响因子: 3.2
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DOI: 10.1093/jnci/61.6.1499
发表时间: 1978
期刊: Journal of the National Cancer Institute
影响因子: --
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