A search for Trypanosoma brucei rhodesiense diagnostic antigens by proteomic screening and targeted cloning.
A search for Trypanosoma brucei rhodesiense diagnostic antigens by proteomic screening and targeted cloning.
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DOI:
10.1371/journal.pone.0009630
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发表时间:
2010-03-10
期刊:
影响因子:
3.7
通讯作者:
Matovu E
中科院分区:
文献类型:
--
作者:
Manful T;Mulindwa J;Frank FM;Clayton CE;Matovu E
The only available diagnostic method for East African trypanosomiasis is light microscopy of blood samples. A simple immunodiagnostic would greatly aid trypanosomiasis control. To find trypanosome proteins that are specifically recognised by sera from human sleeping sickness patients, we have screened the Trypanosoma brucei brucei proteome by Western blotting. Using cytosolic, cytoskeletal and glycosomal fractions, we found that the vast majority of abundant trypanosome proteins is not specifically recognised by patient sera. We identified phosphoglycerate kinase (PGKC), heat shock protein (HSP70), and histones H2B and H3 as possible candidate diagnostic antigens. These proteins, plus paraflagellar rod protein 1, rhodesain (a cysteine protease), and an extracellular fragment of the Trypanosoma brucei nucleoside transporter TbNT10, were expressed in E. coli and tested for reactivity with patient and control sera. Only TbHSP70 was preferentially recognized by patient sera, but the sensitivity and specificity were insufficient for use of TbHSP70 alone as a diagnostic. Immunoprecipitation using a native protein extract revealed no specifically reacting proteins. No abundant T. brucei soluble, glycosomal or cytoskeletal protein is likely to be useful in diagnosis. To find useful diagnostic antigens it will therefore be necessary to use more sophisticated proteomic methods, or to test a very large panel of candidate proteins.
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影响因子:
2.4
作者:
MULLER, N;IMBODEN, M;SEEBECK, T
通讯作者:
SEEBECK, T
影响因子:
3.3
作者:
Blum, J;Nkunku, S;Burri, C
通讯作者:
Burri, C
影响因子:
1.5
作者:
Caffrey, CR;Hansell, E;McKerrow, JH
通讯作者:
McKerrow, JH
DOI:
10.1515/bchm3.1985.366.2.901
发表时间:
1985-01-01
期刊:
BIOLOGICAL CHEMISTRY HOPPE-SEYLER
影响因子:
--
作者:
BROCKMOLLER, J;KAMP, RM
通讯作者:
KAMP, RM
影响因子:
3.7
作者:
Forgber, Michael;Basu, Rajatava;Walden, Peter
通讯作者:
Walden, Peter