Development of a Multidimensional Proteomic Approach to Detect Circulating Immune Complexes in Cattle Experimentally Infected With Mycobacterium bovis

Frontiers in Veterinary Science
Syeda A HadiSrinand Sreevatsan

Abstract

Objective: To evaluate a high-resolution method to identify pathogen-specific biomarkers in serum of calves infected with Mycobacterium bovis. Methods: Serum samples from four calves infected with M. bovis were collected before and after infection at weeks 9, 14, 15, 31, and 36. Immune-complex-associated mycobacterial antigens in the serum were enriched using an immunochromatography method termed, dual path platform (DPP). All regions of antigen capture zones, that consisted of monospecific rabbit polyclonal antibodies raised against M. tuberculosis lysates, on DPP strips were excised and analyzed by multidimensional proteomics. The resulting proteins were then passed through 4 rigorous peptide quality filters-false-hits, decoys, non-M. tuberculosis complex proteins were all removed followed by individual quality check of those remaining. Peptides were then checked on NCBI's BLASTp for M. tuberculosis complex specificity. Results: Proteins in 2 of the animals passed the multipronged-highly stringent peptide quality analysis. Animal#54 had 7 unique M. tuberculosis complex proteins at week 14 post-infection, while animal#56 had 4 at week 36 post-infection along with 1 immunoglobulin. Conclusion:M. tuberculosis complex -specific p...Continue Reading

References

Apr 9, 2008·Emerging Infectious Diseases·Melinda J WilkinsMatthew L Boulton
Jun 6, 2008·Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America·Michele C HlavsaPhilip A Lobue
Oct 19, 2012·Virulence·Marina A ForrelladFabiana Bigi
May 26, 2017·American Journal of Veterinary Research·Sylvia I WanzalaSrinand Sreevatsan

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Citations

Dec 29, 2020·Animal Health Research Reviews·Hyun-Eui Park, Han Sang Yoo
Feb 13, 2020·Veterinary Immunology and Immunopathology·Konstantin P LyashchenkoW Ray Waters
Mar 17, 2021·International Archives of Occupational and Environmental Health·K Renuga DeviV K Chin

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Software Mentioned

Proteome
PEAKS
Scaffold
BLASTp
Peptide
BLAST

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