Immunochip for Syphilis Serodiagnostics with the Use of Extended Array of Treponema pallidum Recombinant Antigens


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Аннотация

An immunochip for multiple parallel detection of specific serum IgG in serological screening for syphilis is based on the use of an extended array of Treponema pallidum recombinant proteins and includes traditionally used immunodominant antigens (Tp15, Tp17, Tp47, and TmpA) and new synthetic proteins (Tp0277, Tp0319, Tp0453, Tp0684, Tp0965, and Tp1038). The use of individual antigens has demonstrated high analytical value of Tp0277 (periplasmatic C-terminal protease), Tp0319 (cytoplasmic membrane-associated lipoprotein TmpC), and external membrane-associated protein Tp0453 with transporting function, all of them improving significantly the efficiency of screening for syphilis in comparison with the traditional array of antigens. Multiparametric analysis of the results obtained on the immunochip with the use of linear discriminant analysis confirmed the efficiency of extended array of T. pallidum diagnostic antigens. Due to proposed modification, the “positive” and “negative” sera are clearly differentiated: the serological study showed 94.1% sensitivity and 100% specificity.

Об авторах

A. Runina

State Research Center of Dermatovenereology and Cosmetology, Ministry of Health of the Russian Federation

Email: dgderyabin@yandex.ru
Россия, Moscow

G. Katunin

State Research Center of Dermatovenereology and Cosmetology, Ministry of Health of the Russian Federation

Email: dgderyabin@yandex.ru
Россия, Moscow

M. Filippova

V. A. Engelhardt Institute of Molecular Biology, Russian Academy of Sciences

Email: dgderyabin@yandex.ru
Россия, Moscow

A. Zatevalov

G. N. Ga-brichevsky Moscow Research Institute of Epidemiology and Microbiology

Email: dgderyabin@yandex.ru
Россия, Moscow

A. Kubanov

State Research Center of Dermatovenereology and Cosmetology, Ministry of Health of the Russian Federation

Email: dgderyabin@yandex.ru
Россия, Moscow

D. Deryabin

State Research Center of Dermatovenereology and Cosmetology, Ministry of Health of the Russian Federation

Автор, ответственный за переписку.
Email: dgderyabin@yandex.ru
Россия, Moscow


© Springer Science+Business Media, LLC, part of Springer Nature, 2018

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