Preparation of Anti-GM4 antiserum and its assay by a solid-phase radioimmunoassay

Ronald I. Jacobson, Noriyuki Kasai, Frank F. Richards, Robert K Yu

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Anti-GM4 antiserum was prepared from rabbits by immunization with pure human brain GM4 ganglioside in complete Freund's adjuvant and methylated bovine serum albumin. None of the immunized animals developed any clinically apparent neurological dysfunction. The antiserum titer and specificity were analyzed by double immunodiffusion and a novel solid-phase radioimmunoassay (RIA). In the latter procedure, microtiter plate wells were coated first with the glycolipid antigen, followed by sequential application of antiserum and [125I]-Staphylococcal Protein A. The absorbed radioactivity in the well was then counted. Employing the RIA procedure, anti-GM4 antibody achieved a titer of 1:1600. The antiserum also exhibited a high degree of specificity to GM4; cross-reactivity with glycolipids of similar structure was negligible. The production of highly specific antiserum to GM4 and the feasibility of detecting antibodies to glycolipid antigens by a convenient solid-phase RIA should be useful to further study the biological and immunological roles of GM4 and other glycolipids in the central nervous system.

Original languageEnglish (US)
Pages (from-to)225-235
Number of pages11
JournalJournal of Neuroimmunology
Volume3
Issue number3
DOIs
StatePublished - Jan 1 1982

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Glycolipids
Radioimmunoassay
Immune Sera
Antigens
Freund's Adjuvant
Immunodiffusion
Staphylococcal Protein A
Radioactivity
Anti-Idiotypic Antibodies
Immunization
Central Nervous System
Rabbits
Antibodies
Brain

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology
  • Neurology
  • Clinical Neurology

Cite this

Preparation of Anti-GM4 antiserum and its assay by a solid-phase radioimmunoassay. / Jacobson, Ronald I.; Kasai, Noriyuki; Richards, Frank F.; Yu, Robert K.

In: Journal of Neuroimmunology, Vol. 3, No. 3, 01.01.1982, p. 225-235.

Research output: Contribution to journalArticle

Jacobson, Ronald I. ; Kasai, Noriyuki ; Richards, Frank F. ; Yu, Robert K. / Preparation of Anti-GM4 antiserum and its assay by a solid-phase radioimmunoassay. In: Journal of Neuroimmunology. 1982 ; Vol. 3, No. 3. pp. 225-235.
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