Serum immunoglobulin IgG subclass distribution of antibody responses to pertussis toxin and filamentous hemagglutinin of Bordetella pertussis in patients with whooping cough
INTRODUCTION: The present study was aimed at determining the IgG subclass distribution against pertussis toxin (PT) and filamentous hemagglutinin (FHA) of Bordetella pertussis in patients with whooping cough.
METHODS: The total number of 222 serum samples obtained from patients suspected in clinical investigation for pertussis were tested separately by in-house ELISA for the presence of IgG antibodies to pertussis toxin and filamentous hemagglutinin. The percentage distribution of specific anti-PT and anti-FHA IgG subclass response was calculated only on the basis of group of sera confirmed in the present study as positive for total IgG antibodies (183 sera to PT antigen and 129 to FHA antigen). Paired serum specimens were obtained from 36 patients. Based on the results of determining the level of antibodies in the sera of 40 blood donors, the cut-off limit of serum antibodies for each subclass was set at arithmetic mean plus two standard deviations.
RESULTS: Antibodies of IgG1 to pertussis toxin and filamentous hemagglutinin were diagnosed in 151 (82.5%) and 99 (76.7%), IgG2 in 72 (39.0%) and 50 (38.8%), IgG3 in 17 (9.3%) and 43 (33.3%), IgG4 in 55 (30.1%) and 53 (41.1%) serum samples, respectively. There were no significant differences in percentage of sera with IgG1, IgG2 and IgG3 in relation to age of the patients. However, the frequency of occurrence of IgG4 antibodies was highest in the group of the youngest children to the age of 6 years old (61.8% for PT and 68.0% for FHA), and decrease with age, reaching the minimum in the group of patients above 40 years old (13.2% and 4.2% for PT and FHA, respectively). We also found significantly higher frequency of IgG4 to PT and FHA antigens in men than in women. Statistically significant, essential changes in the pattern of IgG subclass during the course of infection were not found.
CONCLUSIONS: In conclusion, this study showed that all four subclasses of IgG antibodies to pertussis toxin and filamentous hemagglutinin are produced during whooping cough.
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2013 |
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| Erschienen: |
2013 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:65 |
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| Enthalten in: |
Medycyna doswiadczalna i mikrobiologia - 65(2013), 4 vom: 14., Seite 269-74 |
| Sprache: |
Polnisch |
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| Weiterer Titel: |
Wystepowanie przeciwciał dla toksyny krztuścowej i włókienkowej hemaglutyniny Bordetella pertussis w poszczególnych podklasach IgG w przebiegu krztuśca |
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| Beteiligte Personen: |
Rastawicki, Waldemar [VerfasserIn] |
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| Themen: |
Adhesins, Bacterial |
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| Anmerkungen: |
Date Completed 02.05.2014 Date Revised 09.12.2020 published: Print Citation Status MEDLINE |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM237342863 |
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| 100 | 1 | |a Rastawicki, Waldemar |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Serum immunoglobulin IgG subclass distribution of antibody responses to pertussis toxin and filamentous hemagglutinin of Bordetella pertussis in patients with whooping cough |
| 246 | 3 | 3 | |a Wystepowanie przeciwciał dla toksyny krztuścowej i włókienkowej hemaglutyniny Bordetella pertussis w poszczególnych podklasach IgG w przebiegu krztuśca |
| 264 | 1 | |c 2013 | |
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| 500 | |a Date Completed 02.05.2014 | ||
| 500 | |a Date Revised 09.12.2020 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a INTRODUCTION: The present study was aimed at determining the IgG subclass distribution against pertussis toxin (PT) and filamentous hemagglutinin (FHA) of Bordetella pertussis in patients with whooping cough | ||
| 520 | |a METHODS: The total number of 222 serum samples obtained from patients suspected in clinical investigation for pertussis were tested separately by in-house ELISA for the presence of IgG antibodies to pertussis toxin and filamentous hemagglutinin. The percentage distribution of specific anti-PT and anti-FHA IgG subclass response was calculated only on the basis of group of sera confirmed in the present study as positive for total IgG antibodies (183 sera to PT antigen and 129 to FHA antigen). Paired serum specimens were obtained from 36 patients. Based on the results of determining the level of antibodies in the sera of 40 blood donors, the cut-off limit of serum antibodies for each subclass was set at arithmetic mean plus two standard deviations | ||
| 520 | |a RESULTS: Antibodies of IgG1 to pertussis toxin and filamentous hemagglutinin were diagnosed in 151 (82.5%) and 99 (76.7%), IgG2 in 72 (39.0%) and 50 (38.8%), IgG3 in 17 (9.3%) and 43 (33.3%), IgG4 in 55 (30.1%) and 53 (41.1%) serum samples, respectively. There were no significant differences in percentage of sera with IgG1, IgG2 and IgG3 in relation to age of the patients. However, the frequency of occurrence of IgG4 antibodies was highest in the group of the youngest children to the age of 6 years old (61.8% for PT and 68.0% for FHA), and decrease with age, reaching the minimum in the group of patients above 40 years old (13.2% and 4.2% for PT and FHA, respectively). We also found significantly higher frequency of IgG4 to PT and FHA antigens in men than in women. Statistically significant, essential changes in the pattern of IgG subclass during the course of infection were not found | ||
| 520 | |a CONCLUSIONS: In conclusion, this study showed that all four subclasses of IgG antibodies to pertussis toxin and filamentous hemagglutinin are produced during whooping cough | ||
| 650 | 4 | |a Journal Article | |
| 650 | 7 | |a Adhesins, Bacterial |2 NLM | |
| 650 | 7 | |a Antibodies, Anti-Idiotypic |2 NLM | |
| 650 | 7 | |a Antibodies, Bacterial |2 NLM | |
| 650 | 7 | |a Bacterial Outer Membrane Proteins |2 NLM | |
| 650 | 7 | |a Hemagglutinins |2 NLM | |
| 650 | 7 | |a Immunoglobulin G |2 NLM | |
| 650 | 7 | |a anti-IgG |2 NLM | |
| 650 | 7 | |a Pertussis Toxin |2 NLM | |
| 650 | 7 | |a EC 2.4.2.31 |2 NLM | |
| 700 | 1 | |a Smietańska, Karolina |e verfasserin |4 aut | |
| 700 | 1 | |a Rokosz-Chudziak, Natalia |e verfasserin |4 aut | |
| 700 | 1 | |a Jagielski, Marek |e verfasserin |4 aut | |
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