Antigenic and biochemical characterization of poliovirus type 2 isolated from two cases of paralytic disease

Lucia Fiore, Alessandro Pierangeli, Franco Lombardi, Regina Santoro, Radu Crainic, Aldo Venuti, Raul Perez-Bercoff

Research output: Contribution to journalArticle

Abstract

Three isolates of poliovirus type 2 were obtained from rectal and pharyngeal swabs of two patients with paralytic poliomyelitis from Southern Italy (1981/1983). Neither one of the patients had received oral poliovirus vaccine, although a systematic vaccination campaign is conducted in the area. Neutralization tests with strain-specific antisera and analysis of the structural proteins by SDS-PAGE indicated that the three isolates were typical Sabin-like poliovirus type 2. Moreover, neutralization assays by means of a panel of well- characterized monoclonal antibodies indicated that the three isolates carried an antigenic mosaic where both wild-type and Sabin-specific epitopes were represented. The T1fingerprints of the RNA of the three isolates diverged slightly from the standard Sabin reference map. A comparison of the oligonucleotide fingerprints of the viruses isolated from the pharynx and the feces of one patient indicated that mutations appeared as early as during replication in the intestinal tract.

Original languageEnglish
Pages (from-to)196-204
Number of pages9
JournalIntervirology
Volume27
Issue number4
DOIs
Publication statusPublished - 1987

Fingerprint

Poliovirus
Oral Poliovirus Vaccine
Neutralization Tests
Immunization Programs
Dermatoglyphics
Poliomyelitis
Pharynx
Feces
Oligonucleotides
Italy
Immune Sera
Epitopes
Polyacrylamide Gel Electrophoresis
Monoclonal Antibodies
RNA
Viruses
Mutation
Proteins

Keywords

  • Genetic variation
  • Monoclonal antibodies
  • Oligonucleotide mapping
  • Poliovirus

ASJC Scopus subject areas

  • Virology
  • Infectious Diseases

Cite this

Fiore, L., Pierangeli, A., Lombardi, F., Santoro, R., Crainic, R., Venuti, A., & Perez-Bercoff, R. (1987). Antigenic and biochemical characterization of poliovirus type 2 isolated from two cases of paralytic disease. Intervirology, 27(4), 196-204. https://doi.org/10.1159/000149985

Antigenic and biochemical characterization of poliovirus type 2 isolated from two cases of paralytic disease. / Fiore, Lucia; Pierangeli, Alessandro; Lombardi, Franco; Santoro, Regina; Crainic, Radu; Venuti, Aldo; Perez-Bercoff, Raul.

In: Intervirology, Vol. 27, No. 4, 1987, p. 196-204.

Research output: Contribution to journalArticle

Fiore, L, Pierangeli, A, Lombardi, F, Santoro, R, Crainic, R, Venuti, A & Perez-Bercoff, R 1987, 'Antigenic and biochemical characterization of poliovirus type 2 isolated from two cases of paralytic disease', Intervirology, vol. 27, no. 4, pp. 196-204. https://doi.org/10.1159/000149985
Fiore, Lucia ; Pierangeli, Alessandro ; Lombardi, Franco ; Santoro, Regina ; Crainic, Radu ; Venuti, Aldo ; Perez-Bercoff, Raul. / Antigenic and biochemical characterization of poliovirus type 2 isolated from two cases of paralytic disease. In: Intervirology. 1987 ; Vol. 27, No. 4. pp. 196-204.
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