Levesque, Jean Pierre published the artcileA mitogenic fibrinogen receptor that differs from glycoprotein IIb-IIIa. Identification by affinity chromatography and by covalent cross-linking, Computed Properties of 70539-42-3, the publication is Journal of Biological Chemistry (1990), 265(1), 328-33, database is CAplus and MEDLINE.
The mitogenic effect of human fibrinogen on the hemopoietic cell lines Raji and JM is mediate by a specific receptor with biochem. and functional properties different from those of the platelet fibrinogen receptor, the glycoprotein complex IIb-IIIa. This work describes the identification of the mitogenic fibrinogen receptor (MFR) by 2 independent methods, affinity chromatog. and covalent crosslinking. Affinity chromatog. of surface-labeled cell extracts on fibrinogen-Sepharose revealed a 94-kDa membrane protein that bound specifically to fibrinogen-Sepharose only on cells that expressed the MFR. Its mol. mass was not modified after reduction This was confirmed by crosslinking fibrinogen to surface-labeled Raji cells using the cleavable crosslinkers, ethyleneglycolbis(succinimidyl succinate) and dithiobis(succinimidyl propionate). Complexes between fibrinogen and iodinated cell membrane proteins were immunoprecipitated by anti-fibrinogen antibodies. The biochem. cleavage of these immunoprecipitated conjugates gave rise to a 92-kDa membrane protein whose mol. mass was not modified after reduction Thus, fibrinogen binds specifically to a 92-94-kDa MFR which does not belong to the integrin family.
Journal of Biological Chemistry published new progress about 70539-42-3. 70539-42-3 belongs to alcohols-buliding-blocks, auxiliary class pyrrolidine,Ester,Amide,Inhibitor,Inhibitor, name is Bis(2,5-dioxopyrrolidin-1-yl) O,O’-ethane-1,2-diyl disuccinate, and the molecular formula is C18H20N2O12, Computed Properties of 70539-42-3.
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