Antibodies to β1‐integrins cause alterations of aortic vasculogenesis, in vivo

Antibodies to β1‐integrins cause alterations of aortic vasculogenesis, in vivo
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β1-整合素抗体在体内引起主动脉血管发生的改变

DOI:
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发表时间:
1992
期刊:
影响因子:
--
通讯作者:
C. Little
C. Little
中科院分区:
--
文献类型:
--
作者:
C. Drake;L. Davis;C. Little

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血管发生是从中胚层重新形成的血管。这个过程发生在发育的早期,为研究高等脊椎动物的形态发生提供了一个方便的系统。使用单克隆抗体CSAT检测了背主动脉血管形成过程中细胞-细胞外基质(ECM)的相互作用,CSAT是一种已知可以中和禽类β1整合素的配体结合活性的试剂。我们将CSAT注射到血管发育活跃的鹌鹑胚胎中(4-10个体细胞)。CSAT抗体,而不是对照组,对主动脉血管的形成有显著的和可重复的影响。当成血管细胞细长的束状集合重新排列形成小管时,血管发生似乎被阻止了。事实上,靠近CSAT注射部位的主动脉原基没有形成通畅血管。
Vasculogenesis is the de novo formation of blood vessels from mesoderm. This process occurs very early in development and provides a convenient system for studying morphogenesis in higher vertebrates. The cell‐extracellular matrix (ECM) interactions that occur during dorsal aortic vasculogenesis were examined using the monoclonal antibody, CSAT, a reagent known to neutralize the ligand‐binding activity of avian β1‐integrins. We injected CSAT into quail embryos during a period of active vasculogenesis (4–10 somites). The CSAT antibodies, but not controls, had a marked and reproducible effect on aortic vessel formation. Vasculogenesis appeared to be arrested at the stage when slender cord‐like assemblies of angioblasts rearrange to form tubules. Indeed, aortic primordia near the site of CSAT injection did not form patent vessels.
DOI: 10.1164/ajrccm/140.4.1097
发表时间: 1989-10-01
期刊: AMERICAN REVIEW OF RESPIRATORY DISEASE
影响因子: --
作者:
NODEN, DM
通讯作者: NODEN, DM
DOI: 10.1126/science.2821619
发表时间: 1987-10-23
期刊: SCIENCE
影响因子: 56.9
作者:
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通讯作者: PIERSCHBACHER, MD
DOI: 10.1016/0012-1606(86)90320-9
发表时间: 1986-10-01
影响因子: 2.7
作者:
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通讯作者: BRONNERFRASER, M