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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Modulation of endothelial cell functions by different molecular species of interleukin 1.

Different molecular species of interleukin 1 ( IL 1) were examined for the spectrum of responses elicited in human endothelial cells (HEC), including synthesis of prostacyclin (PGI2), tissue-type procoagulant activity (PCA), platelet activating factor (PAF), and plasminogen activator inhibitor (PA-I). The IL 1 preparations utilized for the present study included a natural, partially purified IL 1, a preparation purified to homogeneity with extensive homology with the derived aminoacid IL 1 beta (pI7) sequence denominated "22K factor," murine recombinant IL 1 alpha, human recombinant IL 1 alpha (pI5) and beta (pI7). Natural, partially purified IL 1, a mixture of alpha and beta species, induced the entire spectrum of responses in HEC. Production of PA-I was elicited by all forms of IL 1 tested. PGI2 and PCA were elicited by "22K factor" and by human recombinant IL 1 beta and alpha but not by murine recombinant IL 1 alpha. PAF synthesis was stimulated by murine and human recombinant IL 1 alpha but not by human recombinant IL 1 beta and 22K factor. Thus the available different molecular forms of IL 1 elicit largely but not completely overlapping patterns of responses in HEC. The IL 1 pathway of regulation of HEC functions might provide a basis for novel strategies in therapeutically oriented research on vessel wall disorders.[1]

References

  1. Modulation of endothelial cell functions by different molecular species of interleukin 1. Dejana, E., Breviario, F., Erroi, A., Bussolino, F., Mussoni, L., Gramse, M., Pintucci, G., Casali, B., Dinarello, C.A., Van Damme, J. Blood (1987) [Pubmed]
 
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