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Deprecated: Implicit conversion from float 300.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 MethodsX 2021 ; 8 (ä): 101432 Nephropedia Template TP
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High throughput surface plasmon resonance imaging method for clinical detection of presence and strength of binding of IgM, IgG and IgA antibodies against SARS-CoV-2 during CoViD-19 infection #MMPMID34221910
Schasfoort RBM; van Weperen J; van Amsterdam M; Parisot J; Hendriks J; Koerselman M; Karperien M; Mentink A; Bennink M; Krabbe H; Terstappen LW; Mulder AHL
MethodsX 2021[]; 8 (ä): 101432 PMID34221910show ga
Surface Plasmon Resonance imaging (SPRi) was used to determine the presence and strength of binding of IgG, IgM and IgA against the Receptor Binding Domain (RBD) of SARS-CoV-2 in sera of 102 CoViD-19 and non-CoViD-19 patients. The SPRi assay simultaneously measures the antibody isotype levels and the strength of binding to the RBD of ultimate 384 patient samples in one run. It turns out that during the course of the disease, the IgG levels and strength of binding increased while generally the IgM and IgA levels go down. Recovered patients all show high strength of binding of the IgG type to the RBD protein. The anti-RBD immunoglobulins SPRi assay provides additional insights in the immune status of patients recovering from CoViD-19. This new high throughput method can be applied for the assessment of the quality of the immune reaction of healthy individuals to SARS-CoV-2 and its mutants in vaccination programs.*Surface Plasmon Resonance imaging is an unprecedented technology for high throughput screening of antibody profiling of CoViD19 patients.*Fingerprinting of isotypes IgM, IgG and IgA can be performed for 384 patients in one run.*An affinity maturation effect was shown for patients recovering from CoViD19.