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Soluble fms-like tyrosine kinase-1 antibody for diagnosis purposes (WO2010075475)
France Boyaud1, Nicolas Inguimbert
1Laboratoire de Chimie des Biomolécules et de l'Environnement (LCBE), EA 4215, centre de phytopharmacie, Université de Perpignan Via Domitia, 52 avenue P. Alduy, 66860 Perpignan, France.
Background:
The application (WO2010075475) is involved in the diagnosis of angiogenesis-dependent diseases related with the soluble FMS-like tyrosine kinase-1 (sFlt-1) biomarker.
Objective:
It aims to identify, characterize and produce antibodies raised against sFlt-1 for the diagnosis of preeclampsia as well as other cardiovascular diseases.
Methods:
The diagnostic kit is based on a double mAb sandwich assay, comprising of a capture anti-sFlt-1 mAb, grafted onto paramagnetic particles that are able to bind sFlt-1 both in bound and free forms. An acridinium conjugated anti-sFlt-1 antibody, which binds to s-Flt1 on another epitope, serves as a chemioluminescent label.
Results:
Using this assay, the total amount of sFlt-1 could be estimated in various biological samples.
Conclusion:
Antibodies against the free and bound forms of sFlt-1 offer new opportunities in the diagnostics of preeclampsia and other angiogenesis-dependent disorders. Furthermore, as demonstrated in this patent, the immunoassay could be automated and is fast and reliable.
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