ELISA for VEGF
A technology for capturing reagents, biological samples, applied in the field of immunoassays, which can solve the problems of lack of sensitivity
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[0110] Vascular endothelial growth factor (VEGF), which is expressed in different isoforms due to alternative RNA splicing, is known to play a key role in tumor angiogenesis. We measured VEGF 165 and total VEGF concentrations, and assessed the VEGF 110 (which is the relative amount of the active fragment produced by plasmin digestion of VEGF). ELISA A (VEGF165-206 ELISA) detects VEGF 165 and longer isoforms but not VEGF 121 . ELISA B (VEGF110-206ELISA) detects VEGF 165 and isoforms VEGF 121 and VEGF 110 . ELISA C (VEGF121-206ELISA) detection of VEGF 165 and the longer isoform, VEGF 121 and molecular weight greater than VEGF 110 but not VEGF 110 Fragments of VEGF (referred to herein as "VEGF 110+ ").
[0111] Materials and methods
[0112] Reagents and cells: Recombinant VEGF 165 (Genentech), VEGF 121 (PeproTech, Rocky Hill, New Jersey), VEGF 8-109 (by VEGF 165 amino acid 8-109 composition) and truncated VEGF 121 (R&D Systems, Minneapolis, MN) produced in E. ...
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