Dot-ELISA for the detection of anti-Cysticercus cellulosae antibodies in cerebrospinal fluid using a new solid phase (resin-treated polyester fabric) and Cysticercus longicollis antigens

Rev Inst Med Trop Sao Paulo. 1996 Nov-Dec;38(6):391-6. doi: 10.1590/s0036-46651996000600001.

Abstract

A dot-ELISA was developed for the detection of antibodies in CSF in the immunologic diagnosis of human neurocysticercosis, using antigen extracts of the membrane and scolex of Cysticercus cellulosae (M+S-Cc) and, alternately, membrane (M) and vesicular fluid (VF) of Cysticercus longicollis (Cl) covalently bound to a new solid phase consisting of polyester fabric treated with N-methylol-acrylamide resin (dot-RT). The test was performed at room temperature, with reduced incubation times and with no need for special care in the manipulation of the support. The sensitivity rates obtained were 95.1% for antigen Cc and 97.6% for antigen Cl. Specificity was 90.6% when Cc was used, and 96.9% and 100% when M-Cl and VF-Cl were used, respectively. No significant differences in titer were observed between tests carried out with homologous and heterologous antigens. The low cost and easy execution of the dot-RT test using antigen extracts of Cysticercus longicollis indicate the test for use in the immunodiagnosis of human neurocysticercosis.

MeSH terms

  • Animals
  • Antibodies, Helminth / cerebrospinal fluid*
  • Antigens, Helminth*
  • Cysticercosis / diagnosis*
  • Cysticercus / immunology*
  • Enzyme-Linked Immunosorbent Assay / methods*
  • Female
  • Mice
  • Mice, Inbred BALB C
  • Resins, Synthetic*
  • Swine

Substances

  • Antibodies, Helminth
  • Antigens, Helminth
  • Resins, Synthetic