Development and evaluation of capture enzyme-linked immunosorbent assays for detection of immunoglobulin G and M antibodies to group A streptococcal antigens

S. Hayashi, Kenji Yokota, Y. Takizawa, I. Tomizawa, T. Nejime, K. Oguma

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Capture enzyme-linked immunosorbent assays (ELISAs) were developed to detect immunoglobulin G and M antibodies to group A streptococcal (GAS) antigens, streptolysin O, streptokinase, and group A carbohydrate. The sensitivities and the specificities of the IgM capture ELISAs to each GAS antigen were high enough to distinguish the patients with GAS infections (diagnosed as GAS pharyngitis or scarlet fever) from the control groups (healthy people and patients with pharyngitis from whom GAS could not be isolated). On the other hand, the specificities of the IgG capture ELISAs were not very effective in diagnosis of GAS infections. When the capture ELISA and an indirect ELISA detecting IgM antibodies to group A carbohydrate were compared, false-positive reactions due to rheumatoid factor occurred in the indirect ELISA, but did not occur in the capture ELISA. These results indicate that the capture ELISA works better than the indirect ELISA in detecting the IgM antibody, and that the IgM capture ELISA to GAS antigen provides a rapid and highly reliable serodiagnosis for GAS infections employing only a single serum.

Original languageEnglish
Pages (from-to)271-279
Number of pages9
JournalMicrobiology and Immunology
Volume37
Issue number4
Publication statusPublished - 1993

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Immunoglobulin M
Immunoglobulin G
Enzyme-Linked Immunosorbent Assay
Antigens
Antibodies
Streptococcal Infections
Pharyngitis
Carbohydrates
False Positive Reactions
Scarlet Fever
Streptokinase
Rheumatoid Factor
Serologic Tests
Sensitivity and Specificity
Control Groups
Serum

ASJC Scopus subject areas

  • Immunology and Microbiology(all)
  • Microbiology
  • Microbiology (medical)

Cite this

Development and evaluation of capture enzyme-linked immunosorbent assays for detection of immunoglobulin G and M antibodies to group A streptococcal antigens. / Hayashi, S.; Yokota, Kenji; Takizawa, Y.; Tomizawa, I.; Nejime, T.; Oguma, K.

In: Microbiology and Immunology, Vol. 37, No. 4, 1993, p. 271-279.

Research output: Contribution to journalArticle

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AU - Nejime, T.

AU - Oguma, K.

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