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Citation Information: J Clin Invest. 1998;101(3):682-688. https://doi.org/10.1172/JCI119882.
Abstract
We isolated and identified nucleoside(5') oligophospho-(5') nucleosides containing adenosine and guanosine (ApnG; n = 3-6) as well as diguanosine polyphosphates (GpnG; n = 3-6) in human platelets. For identification, UV spectrometry, matrix-assisted laser desorption/ionization, postsource decay matrix-assisted laser desorption/ionization mass spectrometry, and enzymatic cleavage experiments were used. The adenosine(5') oligophospho-(5') guanosines act as vasoconstrictors and growth factors. The diguanosine polyphosphates are potent modulators of growth in vascular smooth muscle cells, but do not affect vascular tone.
Authors
H Schlüter, I Grobeta, J Bachmann, R Kaufmann, M van der Giet, M Tepel, J R Nofer, G Assmann, M Karas, J Jankowski, W Zidek
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