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Título: | Concentration of IgG against the Spike Receptor-Binding Domain predicts the viral neutralization activity of convalescent plasma and serum against SARS-CoV-2 |
Autor: | Santiago, Llipsy CSIC ORCID; Uranga Murillo, Iratxe; Arias, Maykel CSIC ORCID; Moreo, Eduardo; Hidalgo, Sandra; Gálvez Buerba, Eva Mª CSIC ORCID ; Ramírez-Labrada, Ariel; Miguel, Diego de; Paño, José Ramón; Pardo, Julián | Palabras clave: | Coronavirus SARS-CoV-2 IgG Antibodies Convalescent plasma ELISA |
Fecha de publicación: | 24-mar-2021 | Citación: | 42º Congreso SEI (2021) | Resumen: | SARS-CoV-2 is the virus responsible for the Covid-19 pandemic, due to its rapid propagation and the initial lack of vaccines or appropriate treatments. Nowadays, despite different vaccines available, the main treatments are palliative, focused on supplemental oxygen and anti-inflammatory therapy. Passive immunization could be an effective and economic treatment once standarized. It consists of the transfer of pathogen-specific antibodies to patients whose immune system has not originated a response yet. The donors’ antibodies neutralize and attenuate pathogen replication. Besides, an antibody against the Receptor-Binding Domain of Spike (RBD) would block the interaction of the virus with ACE2 and its entry in the cell. Here, an in-house RBG IgG ELISA test has been validated using a cohort of more than 320 samples of convalescent plasma and serum and adapted to quantify the concentration of plasma RBD IgG and its correlation with the SARS-CoV-2 neutralizing activity in vitro. | Descripción: | Poster presentado en el 42º SEI Congreso de la Sociedad Española de Inmunología, 24-26 marzo 2021, Madrid, formato virtual. | URI: | http://hdl.handle.net/10261/261417 |
Aparece en las colecciones: | (ICB) Comunicaciones congresos (PTI Salud Global) Colección Especial COVID-19 |
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Poster 42 SEI_Gálvez et al.pdf | 819,35 kB | Adobe PDF | Visualizar/Abrir |
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