A qualitative IgG ELISA for detection of SARS-CoV-2-specific antibodies in Syrian hamster serum samples

STAR Protoc. 2021 Jun 18;2(2):100573. doi: 10.1016/j.xpro.2021.100573. Epub 2021 May 10.

Abstract

This protocol describes an indirect enzyme-linked immunosorbent assay for qualitative detection of IgG antibodies against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in Syrian hamster serum samples. We describe the preparation of inactivated virus antigens and the negative control antigen and the use of antigen-coated microtiter plates to detect SARS-CoV-2-specific antibodies from SARS-CoV-2-infected hamsters, including the criteria for differentiating positive versus negative reaction. The limited batch-to-batch variability of this assay has been verified with two batches of independently prepared antigens. For complete details on the use and execution of this protocol, please refer to Mohandas et al. (2021).

Keywords: Antibody; Immunology; Microbiology; Model Organisms.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Antibodies, Viral / blood*
  • Antibodies, Viral / immunology
  • COVID-19 / blood
  • COVID-19 / diagnosis*
  • COVID-19 / immunology
  • COVID-19 / virology
  • Coronavirus Nucleocapsid Proteins / immunology*
  • Enzyme-Linked Immunosorbent Assay / methods*
  • Immunoglobulin G / blood*
  • Immunoglobulin G / immunology
  • Immunologic Tests / methods*
  • Mesocricetus
  • SARS-CoV-2 / immunology*

Substances

  • Antibodies, Viral
  • Coronavirus Nucleocapsid Proteins
  • Immunoglobulin G