Response to Rv2628 latency antigen associates with cured tuberculosis and remote infection

D. Goletti; O. Butera; V. Vanini; F. N. Lauria; C. Lange; K. L M C Franken; C. Angeletti; T. H M Ottenhoff; E. Girardi

doi:10.1183/09031936.00140009

Response to Rv2628 latency antigen associates with cured tuberculosis and remote infection

D. Goletti, O. Butera, V. Vanini, F. N. Lauria, C. Lange, K. L M C Franken, C. Angeletti, T. H M Ottenhoff, E. Girardi

Istituto Nazionale per le Malattie Infettive Lazzaro Spallanzani

Research output: Contribution to journal › Article › peer-review

Abstract

Interferon-γ release assays based on region of difference 1 antigens have improved diagnosis of latent tuberculosis infection (LTBI). However, these tests cannot discriminate between recently acquired infection (higher risk of progression to active tuberculosis) and remote LTBI. The objective of the present study was to evaluate the T-cell interferon-γ responses to Mycobacterium tuberculosis DosR-regulon-encoded antigens (latency antigens) compared with QuantiFERON TB-Gold In-Tube (QFT-GIT) in subjects at different stages of tuberculosis. A total of 16 individuals with remote LTBI and 23 with recent infection were studied; 15 controls unexposed to M. tuberculosis and 50 patients with active tuberculosis and 45 with cured tuberculosis were also analysed. The results indicated that subjects with remote LTBI showed significantly higher whole-blood interferon-γ responses to M. tuberculosis latency antigen Rv2628 than did individuals with recent infection, active tuberculosis and controls (p

Original language	English
Pages (from-to)	135-142
Number of pages	8
Journal	European Respiratory Journal
Volume	36
Issue number	1
DOIs	https://doi.org/10.1183/09031936.00140009
Publication status	Published - 2010

Keywords

Diagnostics
Dormancy
Recent tuberculosis infection
Remote latent tuberculosis infection
Tuberculosis

ASJC Scopus subject areas

Pulmonary and Respiratory Medicine
Medicine(all)

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10.1183/09031936.00140009

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abstract = "Interferon-γ release assays based on region of difference 1 antigens have improved diagnosis of latent tuberculosis infection (LTBI). However, these tests cannot discriminate between recently acquired infection (higher risk of progression to active tuberculosis) and remote LTBI. The objective of the present study was to evaluate the T-cell interferon-γ responses to Mycobacterium tuberculosis DosR-regulon-encoded antigens (latency antigens) compared with QuantiFERON TB-Gold In-Tube (QFT-GIT) in subjects at different stages of tuberculosis. A total of 16 individuals with remote LTBI and 23 with recent infection were studied; 15 controls unexposed to M. tuberculosis and 50 patients with active tuberculosis and 45 with cured tuberculosis were also analysed. The results indicated that subjects with remote LTBI showed significantly higher whole-blood interferon-γ responses to M. tuberculosis latency antigen Rv2628 than did individuals with recent infection, active tuberculosis and controls (p",

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AU - Goletti, D.

AU - Butera, O.

AU - Vanini, V.

AU - Lauria, F. N.

AU - Lange, C.

AU - Franken, K. L M C

AU - Angeletti, C.

AU - Ottenhoff, T. H M

AU - Girardi, E.

PY - 2010

Y1 - 2010

N2 - Interferon-γ release assays based on region of difference 1 antigens have improved diagnosis of latent tuberculosis infection (LTBI). However, these tests cannot discriminate between recently acquired infection (higher risk of progression to active tuberculosis) and remote LTBI. The objective of the present study was to evaluate the T-cell interferon-γ responses to Mycobacterium tuberculosis DosR-regulon-encoded antigens (latency antigens) compared with QuantiFERON TB-Gold In-Tube (QFT-GIT) in subjects at different stages of tuberculosis. A total of 16 individuals with remote LTBI and 23 with recent infection were studied; 15 controls unexposed to M. tuberculosis and 50 patients with active tuberculosis and 45 with cured tuberculosis were also analysed. The results indicated that subjects with remote LTBI showed significantly higher whole-blood interferon-γ responses to M. tuberculosis latency antigen Rv2628 than did individuals with recent infection, active tuberculosis and controls (p

AB - Interferon-γ release assays based on region of difference 1 antigens have improved diagnosis of latent tuberculosis infection (LTBI). However, these tests cannot discriminate between recently acquired infection (higher risk of progression to active tuberculosis) and remote LTBI. The objective of the present study was to evaluate the T-cell interferon-γ responses to Mycobacterium tuberculosis DosR-regulon-encoded antigens (latency antigens) compared with QuantiFERON TB-Gold In-Tube (QFT-GIT) in subjects at different stages of tuberculosis. A total of 16 individuals with remote LTBI and 23 with recent infection were studied; 15 controls unexposed to M. tuberculosis and 50 patients with active tuberculosis and 45 with cured tuberculosis were also analysed. The results indicated that subjects with remote LTBI showed significantly higher whole-blood interferon-γ responses to M. tuberculosis latency antigen Rv2628 than did individuals with recent infection, active tuberculosis and controls (p

KW - Diagnostics

KW - Dormancy

KW - Recent tuberculosis infection

KW - Remote latent tuberculosis infection

KW - Tuberculosis

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Response to Rv2628 latency antigen associates with cured tuberculosis and remote infection

Abstract

Keywords

ASJC Scopus subject areas

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