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Expression and purification of diagnostically sensitive mycobacterial (Mycobacterium bovis) antigens and profiling of their humoral immune response in a rabbit model
Kwok H.F.1; Scott C.J.2; Snoddy P.1; Buick R.J.1; Johnston J.A.1; Olwill S.A.1
2010-08-01
Source PublicationResearch in Veterinary Science
ISSN00345288
Volume89Issue:1Pages:41-47
Abstract

The incidence of bovine tuberculosis (bTB) is increasingly giving rise to large economic losses in the agricultural industry. The current methods used for detection and control of bTB (skin test and interferon-gamma) lack desired sensitivity and specificity. Therefore, the development of a rapid and reliable bTB serological based assay is urgently required. An antibody assay using combinations of strain-specific mycobacterial antigens could resolve both specificity and sensitivity issues. We analyzed the ability of a series of selected mycobacterial antigens to outline a humoral immune response in a rabbit model experimentally challenged with different mycobacterium. Antibodies specific for three antigens, MTB40, ESAT6 and CFP10, were present in serum 2. weeks post-challenge (early indicator), while two other antigens, Rv3870 and Rv1580c, could be detected from 8 to 11. weeks post-challenge. These selected mycobacterial antigens did not exhibit any cross-reactivity with avian PPD and only a very low positivity with bovine PPD. This data suggests that this panel of strain-specific mycobacterial antigens could be used for identification of Mycobacterium bovis infection in serum samples. The combinatorial application of these antigens could form part of a serum field test which may assist the future diagnosis of TB. © 2010 Elsevier Ltd.

KeywordAntibody Assay Bovine Tuberculosis Humoral Immune Response Interferon-gamma Mycobacterial Antigens Skin Test
DOI10.1016/j.rvsc.2009.12.015
URLView the original
Indexed BySCI
Language英语
WOS Research AreaVeterinary Sciences
WOS SubjectVeterinary Sciences
WOS IDWOS:000278662800008
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Citation statistics
Cited Times [WOS]:3   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionFaculty of Health Sciences
Affiliation1.Fusion Antibodies plc
2.Queen's University Belfast
Recommended Citation
GB/T 7714
Kwok H.F.,Scott C.J.,Snoddy P.,et al. Expression and purification of diagnostically sensitive mycobacterial (Mycobacterium bovis) antigens and profiling of their humoral immune response in a rabbit model[J]. Research in Veterinary Science,2010,89(1):41-47.
APA Kwok H.F.,Scott C.J.,Snoddy P.,Buick R.J.,Johnston J.A.,&Olwill S.A..(2010).Expression and purification of diagnostically sensitive mycobacterial (Mycobacterium bovis) antigens and profiling of their humoral immune response in a rabbit model.Research in Veterinary Science,89(1),41-47.
MLA Kwok H.F.,et al."Expression and purification of diagnostically sensitive mycobacterial (Mycobacterium bovis) antigens and profiling of their humoral immune response in a rabbit model".Research in Veterinary Science 89.1(2010):41-47.
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