Serological assays and host antibody detection in coronavirus-related disease diagnosis

Coronavirus disease 2019 (COVID-19) Immunopathogenesis, Diagnosis, and Treatment

SARS-CoV-2 is a member of the coronaviruses family that causes the outbreak of coronavirus disease 2019 (COVID-19) in China in late 2019 which has exploded to a global pandemic. The reference genome of the SARS-CoV-2 is considered to be very closely related to SARS-CoV and the virus uses the ACE-2 receptor for cellular entry similar to SARS-CoV. The most common symptoms of COVID-19 are fever, c...

Establishment of serological test to detect antibody against ferret coronavirus

Since there is no available serological methods to detect antibodies to ferret coronavirus (FRCoV), an enzyme-linked immunosorbent assay (ELISA) using recombinant partial nucleocapsid (N) proteins of the ferret coronavirus (FRCoV) Yamaguchi-1 strain was developed to establish a serological method for detection of FRCoV infection. Many serum samples collected from ferrets recognized both a.a. 1-...

Use of antibody avidity assays for diagnosis of severe acute respiratory syndrome coronavirus infection.

An indirect immunofluorescent assay (Euroimmun AG, Luebeck, Germany) was used to investigate the avidity of immunoglobulin G (IgG), IgM, IgA, and total Ig (IgGAM) antibody responses to severe acute respiratory syndrome coronavirus (SARS CoV) infections. Serial serum samples from eight patients collected during the first, third, and ninth months after the onset of infection were evaluated. It wa...

Genotyping of Endocervical Chlamydia trachomatis Strains and Detection of Serological Markers of Acute and Chronic Inflammation in Their Host

Validation of serological assays for diagnosis of infectious diseases.

Assay validation is a series of the following interrelated processes: an experimental process: reagents and protocols are optimised by experimentation to detect the analyte with accuracy and precision, and to ensure repeatability and reproducibility in the assay. a relative process: its diagnostic sensitivity and diagnostic specificity are calculated relative to test results obtained from refer...