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Detection and characterisation of trypanosome strains supposedly resistant to trypanocidal drugs in Senegal; Detection au buffy coat technique et en ELISA de souches de trypanosomes supposees chimioresistantes au Senegal et caracterisation therapeutique

Abstract

In the region of Sokone cattle are constantly exposed to infections with trypanosomes transmitted by Glossina morsitans submorsitans and G. palpalis gambiensis. Trypanocidal drugs are widely used by the farmers on the 50,000 cattle present in the region. Consequently, drug resistance has become a major problem. During the present study goats were inoculated with trypanosome strains isolated from infected cattle. Following the appearance of parasitaemia, the animals were treated with either Berenil, Samorin or Ethidium. The results indicated the parasites were susceptible to Samorin, but one of the Trypanosoma vivax strains showed resistance to Berenil and Ethidium. In addition, the performance of the antigen detection ELISA was compared with that of the Buffy Coat Technique using more than 1000 serum samples from the Sokone region and 100 samples from Northern Senegal infested with tsetse flies. The results showed a very high specificity of 98%. However, additional tests will be necessary to assess the sensitivity properly. (author). 3 refs, 7 tabs.
Authors:
Diaite, A; Seye, M; Mane, A; Ndiaye, T; Seye, M M [1] 
  1. Institut Senegalais de Recherches Agricoles (ISRA), Dakar (Senegal). Lab. de Parasitologie
Publication Date:
Feb 01, 1997
Product Type:
Conference
Report Number:
IAEA-TECDOC-925; CONF-9504287-
Reference Number:
SCA: 553005; PA: AIX-28:036704; EDB-97:082353; SN: 97001795607
Resource Relation:
Conference: Workshop on epidemiological tools for monitoring trypanosomosis and tsetse control programmes, Addis Ababa (Ethiopia), 17-28 Apr 1995; Other Information: PBD: Feb 1997; Related Information: Is Part Of Application of an immunoassay method to improve the diagnosis and control of African trypanosomosis. Proceedings of the workshop; PB: 116 p.
Subject:
55 BIOLOGY AND MEDICINE, BASIC STUDIES; DIAGNOSIS; ENZYME IMMUNOASSAY; TRYPANOSOMIASIS; ANTIGENS; BLOOD SERUM; CATTLE; GLOSSINA; MICROBIAL DRUG RESISTANCE; MONITORING; SENEGAL; TRYPANOSOMA
OSTI ID:
480987
Research Organizations:
Joint FAO/IAEA Div. of Nuclear Techniques in Food and Agriculture, Vienna (Austria)
Country of Origin:
IAEA
Language:
French
Other Identifying Numbers:
Journal ID: ISSN 1011-4289; Other: ON: DE97624611; TRN: XA9743595036704
Availability:
INIS; OSTI as DE97624611
Submitting Site:
INIS
Size:
pp. 71-79
Announcement Date:
Jun 20, 1997

Citation Formats

Diaite, A, Seye, M, Mane, A, Ndiaye, T, and Seye, M M. Detection and characterisation of trypanosome strains supposedly resistant to trypanocidal drugs in Senegal; Detection au buffy coat technique et en ELISA de souches de trypanosomes supposees chimioresistantes au Senegal et caracterisation therapeutique. IAEA: N. p., 1997. Web.
Diaite, A, Seye, M, Mane, A, Ndiaye, T, & Seye, M M. Detection and characterisation of trypanosome strains supposedly resistant to trypanocidal drugs in Senegal; Detection au buffy coat technique et en ELISA de souches de trypanosomes supposees chimioresistantes au Senegal et caracterisation therapeutique. IAEA.
Diaite, A, Seye, M, Mane, A, Ndiaye, T, and Seye, M M. 1997. "Detection and characterisation of trypanosome strains supposedly resistant to trypanocidal drugs in Senegal; Detection au buffy coat technique et en ELISA de souches de trypanosomes supposees chimioresistantes au Senegal et caracterisation therapeutique." IAEA.
@misc{etde_480987,
title = {Detection and characterisation of trypanosome strains supposedly resistant to trypanocidal drugs in Senegal; Detection au buffy coat technique et en ELISA de souches de trypanosomes supposees chimioresistantes au Senegal et caracterisation therapeutique}
author = {Diaite, A, Seye, M, Mane, A, Ndiaye, T, and Seye, M M}
abstractNote = {In the region of Sokone cattle are constantly exposed to infections with trypanosomes transmitted by Glossina morsitans submorsitans and G. palpalis gambiensis. Trypanocidal drugs are widely used by the farmers on the 50,000 cattle present in the region. Consequently, drug resistance has become a major problem. During the present study goats were inoculated with trypanosome strains isolated from infected cattle. Following the appearance of parasitaemia, the animals were treated with either Berenil, Samorin or Ethidium. The results indicated the parasites were susceptible to Samorin, but one of the Trypanosoma vivax strains showed resistance to Berenil and Ethidium. In addition, the performance of the antigen detection ELISA was compared with that of the Buffy Coat Technique using more than 1000 serum samples from the Sokone region and 100 samples from Northern Senegal infested with tsetse flies. The results showed a very high specificity of 98%. However, additional tests will be necessary to assess the sensitivity properly. (author). 3 refs, 7 tabs.}
place = {IAEA}
year = {1997}
month = {Feb}
}