The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease · 2007
Utility of three mammalian cell entry proteins of Mycobacterium tuberculosis in the serodiagnosis of tuberculosis.
Сравнительное исследованиеСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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El-Shazly S, Mustafa A S, Ahmad S, Al-Attiyah R
Аннотация
SETTING: The mammalian cell entry (mce) proteins Mce3A, Mce3D and Mce3E, encoded by the mce3 operon of Mycobacterium tuberculosis, have recently been shown to be expressed during natural infection in humans.
OBJECTIVE: To determine the potential of Mce3A, Mce3D and Mce3E proteins in the serodiagnosis of tuberculosis (TB).
DESIGN: The quantitative detection of anti-Mce3A, -Mce3D and -Mce3E antibodies in serum samples from active TB patients (n = 58), healthy contacts of TB patients (n = 24) and bacilli Calmette-Guérin (BCG) vaccinated healthy subjects (n = 24) was performed using enzyme-linked immunosorbent assay (ELISA).
RESULTS: Antibodies in serum from 98%, 86% and 90% of active TB patients and from 92%, 75% and 96% of healthy contacts of TB patients reacted with Mce3A, Mce3D and Mce3E proteins, respectively. However, none of the serum from BCG-vaccinated healthy subjects reacted with Mce3A and Mce3E proteins, and only 8% of serum samples reacted with Mce3D protein. Overall, serum from 98% active TB patients, 96% healthy contacts and 0% BCG-vaccinated healthy subjects were positive for anti-Mce3A and/or -Mce3E antibodies.
CONCLUSIONS: Our results suggest that Mce3A and Mce3E proteins may be useful for the serodiagnosis of TB infection.
OBJECTIVE: To determine the potential of Mce3A, Mce3D and Mce3E proteins in the serodiagnosis of tuberculosis (TB).
DESIGN: The quantitative detection of anti-Mce3A, -Mce3D and -Mce3E antibodies in serum samples from active TB patients (n = 58), healthy contacts of TB patients (n = 24) and bacilli Calmette-Guérin (BCG) vaccinated healthy subjects (n = 24) was performed using enzyme-linked immunosorbent assay (ELISA).
RESULTS: Antibodies in serum from 98%, 86% and 90% of active TB patients and from 92%, 75% and 96% of healthy contacts of TB patients reacted with Mce3A, Mce3D and Mce3E proteins, respectively. However, none of the serum from BCG-vaccinated healthy subjects reacted with Mce3A and Mce3E proteins, and only 8% of serum samples reacted with Mce3D protein. Overall, serum from 98% active TB patients, 96% healthy contacts and 0% BCG-vaccinated healthy subjects were positive for anti-Mce3A and/or -Mce3E antibodies.
CONCLUSIONS: Our results suggest that Mce3A and Mce3E proteins may be useful for the serodiagnosis of TB infection.