Recombinant antigens as diagnostic markers for aspergillosis

Eight recombinant proteins and purified galactomannan of Aspergillus fumigatus were tested by enzyme-linked immunosorbent assay to quantify the anti- Aspergillus antibodies in sera of patients with aspergilloma, allergic bronchopulmonary aspergillosis (ABPA), and invasive aspergillosis (IA). In spit...

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Veröffentlicht in:Diagnostic microbiology and infectious disease 2006-08, Vol.55 (4), p.279-291
Hauptverfasser: Sarfati, Jacqueline, Monod, Michael, Recco, Paulette, Sulahian, Annie, Pinel, Claudine, Candolfi, Ermanno, Fontaine, Thierry, Debeaupuis, Jean-Paul, Tabouret, Marc, Latgé, Jean-Paul
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container_issue 4
container_start_page 279
container_title Diagnostic microbiology and infectious disease
container_volume 55
creator Sarfati, Jacqueline
Monod, Michael
Recco, Paulette
Sulahian, Annie
Pinel, Claudine
Candolfi, Ermanno
Fontaine, Thierry
Debeaupuis, Jean-Paul
Tabouret, Marc
Latgé, Jean-Paul
description Eight recombinant proteins and purified galactomannan of Aspergillus fumigatus were tested by enzyme-linked immunosorbent assay to quantify the anti- Aspergillus antibodies in sera of patients with aspergilloma, allergic bronchopulmonary aspergillosis (ABPA), and invasive aspergillosis (IA). In spite of the variability observed in the immune responses of individual patients, quantification of the antibody titers against the 18-kDa ribonuclease (RNU), the 360-kDa catalase (CAT), and the 88-kDa dipeptidylpeptidase V (DPPV) was useful for the diagnosis of aspergilloma and ABPA. Differential diagnosis of ABPA was even possible among cystic fibrosis as well as noncystic fibrosis patients. In the group of immunocompromised patients with IA, no antibody response was mounted in response to the Aspergillus infection in any of the patients. Interestingly, about half of the patients with proven IA came to the hospital with high titers of anti- Aspergillus antibodies, suggesting that they were infected upon entry to the hospital. These results suggest that recombinant RNU, CAT, and DPPV have a great potential in the serodiagnosis of all forms of aspergillosis in the immunocompromised and immunocompetent patient.
doi_str_mv 10.1016/j.diagmicrobio.2006.02.002
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In spite of the variability observed in the immune responses of individual patients, quantification of the antibody titers against the 18-kDa ribonuclease (RNU), the 360-kDa catalase (CAT), and the 88-kDa dipeptidylpeptidase V (DPPV) was useful for the diagnosis of aspergilloma and ABPA. Differential diagnosis of ABPA was even possible among cystic fibrosis as well as noncystic fibrosis patients. In the group of immunocompromised patients with IA, no antibody response was mounted in response to the Aspergillus infection in any of the patients. Interestingly, about half of the patients with proven IA came to the hospital with high titers of anti- Aspergillus antibodies, suggesting that they were infected upon entry to the hospital. 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subjects Antigens
Antigens, Bacterial - biosynthesis
Antigens, Bacterial - immunology
Aspergillosis
Aspergillosis - diagnosis
Aspergillosis - immunology
Aspergillus fumigatus
Aspergillus fumigatus - genetics
Aspergillus fumigatus - immunology
Biological and medical sciences
Catalase
Cystic Fibrosis - immunology
Cystic Fibrosis - microbiology
Dipeptidylpeptidase
ELISA
Enzyme-Linked Immunosorbent Assay - methods
Fundamental and applied biological sciences. Psychology
Genetic Vectors - biosynthesis
Humans
Infectious diseases
Medical sciences
Microbiology
Miscellaneous
Mycology
Pichia
Predictive Value of Tests
Recombinant Proteins - immunology
Ribonuclease
title Recombinant antigens as diagnostic markers for aspergillosis
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