ArticleClinical and diagnostic laboratory immunology2003
Cloning and sxpression of mitochondrial heat shock protein 70 of Trypanosoma congolense and potential use as a diagnostic antigen.
Article in Clinical and diagnostic laboratory immunology, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 9 citations in OpenAlex.
- Proteomic and Bioinformatic Investigations of Heat-TreatedBiomolecules · 2020Article
- Characterization of an epimastigote-stage-specific hemoglobin receptor of Trypanosoma congolense.Parasites & vectors · 2016Article
- Identification and characterization of a Trypanosoma congolense 46 kDa protein as a candidate serodiagnostic antigen.The Journal of veterinary medical science · 2014Article
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Authors and funding
5 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
The ability to use mitochondrial heat shock protein 70 (MTP) of Trypanosoma congolense as a diagnostic antigen was examined. One cDNA clone was obtained by immunoscreening of a T. congolense procyclic form (PCF) cDNA library with monoclonal antibody (MAb) 10F9. The cDNA clone contained an open reading frame of 1,977 bp encoding a polypeptide consisting of 659 amino acids. Southern blotting analysis indicated that there were at least three copies of the MTP gene in the haploid genome. Interference of the MTP RNA resulted in complete inhibition, which indicated that MTP is essential at the PCF stage. Northern and Western blotting analyses revealed that MTP is expressed both in the bloodstream form (BSF) and in PCF. The B-cell epitope recognized by MAb 10F9 was located within 206 amino acids from the C terminus. Depending on the conditions of protein extraction, MTP was cleaved into smaller polypeptides by endogenous proteases. However, the C-terminal epitope of MTP was preserved with a high degree of antigenicity, even after cleavage. Antibody detection by enzyme-linked immunosorbent assay with the truncated recombinant MTP revealed that anti-MTP antibodies exist in experimentally infected mouse sera. Thus, MTP may be useful as an antigen for the serodiagnosis of primary T. congolense infection.
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