Prevalence of bancroftian filariasis on the Thai-Myanmar border.
Identifieur interne : 008E17 ( Main/Exploration ); précédent : 008E16; suivant : 008E18Prevalence of bancroftian filariasis on the Thai-Myanmar border.
Auteurs : Surang Nuchprayoon [Thaïlande] ; Vivornpun Sanprasert ; Chantima Porksakorn ; Issarang NuchprayoonSource :
- Asian Pacific journal of allergy and immunology [ 0125-877X ] ; 2003.
Descripteurs français
- KwdFr :
- Adolescent, Adulte, Animaux, Antigènes d'helminthe (analyse), Antigènes d'helminthe (immunologie), Antigènes d'helminthe (métabolisme), Femelle, Filariose lymphatique (immunologie), Filariose lymphatique (épidémiologie), Humains, Immunoglobuline G (immunologie), Immunoglobuline G (métabolisme), Microfilaria (immunologie), Myanmar (épidémiologie), Mâle, Prévalence, Spécificité des anticorps (immunologie), Statistiques comme sujet, Test ELISA, Thaïlande (épidémiologie), Wuchereria bancrofti (immunologie), Wuchereria bancrofti (métabolisme), Émigration et immigration.
- MESH :
- analyse : Antigènes d'helminthe.
- immunologie : Antigènes d'helminthe, Filariose lymphatique, Immunoglobuline G, Microfilaria, Spécificité des anticorps, Wuchereria bancrofti.
- métabolisme : Antigènes d'helminthe, Immunoglobuline G, Wuchereria bancrofti.
- épidémiologie : Filariose lymphatique, Myanmar, Thaïlande.
- Adolescent, Adulte, Animaux, Femelle, Humains, Mâle, Prévalence, Statistiques comme sujet, Test ELISA, Émigration et immigration.
English descriptors
- KwdEn :
- Adolescent, Adult, Animals, Antibody Specificity (immunology), Antigens, Helminth (analysis), Antigens, Helminth (immunology), Antigens, Helminth (metabolism), Elephantiasis, Filarial (epidemiology), Elephantiasis, Filarial (immunology), Emigration and Immigration, Enzyme-Linked Immunosorbent Assay, Female, Humans, Immunoglobulin G (immunology), Immunoglobulin G (metabolism), Male, Microfilariae (immunology), Myanmar (epidemiology), Prevalence, Statistics as Topic, Thailand (epidemiology), Wuchereria bancrofti (immunology), Wuchereria bancrofti (metabolism).
- MESH :
- chemical , analysis : Antigens, Helminth.
- epidemiology : Elephantiasis, Filarial, Myanmar, Thailand.
- immunology : Antibody Specificity, Antigens, Helminth, Elephantiasis, Filarial, Immunoglobulin G, Microfilariae, Wuchereria bancrofti.
- chemical , metabolism : Antigens, Helminth, Immunoglobulin G, Wuchereria bancrofti.
- Adolescent, Adult, Animals, Emigration and Immigration, Enzyme-Linked Immunosorbent Assay, Female, Humans, Male, Prevalence, Statistics as Topic.
Abstract
To achieve the goal of eliminating lymphatic filariasis by the year 2020, close monitoring systems and effective control strategies need to be implemented and the real disease burden needs to be assessed. Bancroftian filariasis is endemic at the Thai-Myanmar border. However, there are only limited data on the prevalence of this disease in Thailand available. We employed microscopic examination, together with ELISA kits to detect W. bancrofti-specific Og4C3 circulating antigen and specific anti-filarial IgG4 antibodies to determine the burden of bancroftian filariasis in an endemic area at the Thai-Myanmar border in Umphang District, Tak province, Thailand. A total of 433 Thai-Karen blood samples were analyzed. The microfilarial rate determined by microscope was 6% and the W. bancrofti-specific Og4C3 antigenemia rate was 22%, while the specific anti-filarial IgG4 antibody rate was 54%. There were statistically significant higher levels of W. bancrofti-specific Og4C3 antigen in the microfilaremic-antigenemic group than in the amicrofilaremic-antigenemic group (unpaired Student's t-test; p < 0.001), similar to the specific anti-filarial IgG4 antibody results (unpaired Student's t-test; p < 0.001). A statistically significant correlation of moderate degree between the presence of W. bancrofti-specific Og4C3 antigen and of specific anti-filarial IgG4 antibody was found in the amicrofilaremic group (r = 0.474, p < 0.001), but not in the microfilaremic group (r = 0.291, p > 0.05). Our study revealed a very high prevalence of bancroftian filariasis in this endemic area and thus emphasized the importance of using highly sensitive and specific diagnostic tools to evaluate the true prevalence of the disease.
PubMed: 15032402
Affiliations:
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Le document en format XML
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(immunologie)</term><term>Immunoglobuline G (métabolisme)</term><term>Microfilaria (immunologie)</term><term>Myanmar (épidémiologie)</term><term>Mâle</term><term>Prévalence</term><term>Spécificité des anticorps (immunologie)</term><term>Statistiques comme sujet</term><term>Test ELISA</term><term>Thaïlande (épidémiologie)</term><term>Wuchereria bancrofti (immunologie)</term><term>Wuchereria bancrofti (métabolisme)</term><term>Émigration et immigration</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Antigens, Helminth</term></keywords><keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>Antigènes d'helminthe</term></keywords><keywords scheme="MESH" qualifier="epidemiology" xml:lang="en"><term>Elephantiasis, Filarial</term><term>Myanmar</term><term>Thailand</term></keywords><keywords scheme="MESH" qualifier="immunologie" xml:lang="fr"><term>Antigènes d'helminthe</term><term>Filariose lymphatique</term><term>Immunoglobuline 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Bancroftian filariasis is endemic at the Thai-Myanmar border. However, there are only limited data on the prevalence of this disease in Thailand available. We employed microscopic examination, together with ELISA kits to detect W. bancrofti-specific Og4C3 circulating antigen and specific anti-filarial IgG4 antibodies to determine the burden of bancroftian filariasis in an endemic area at the Thai-Myanmar border in Umphang District, Tak province, Thailand. A total of 433 Thai-Karen blood samples were analyzed. The microfilarial rate determined by microscope was 6% and the W. bancrofti-specific Og4C3 antigenemia rate was 22%, while the specific anti-filarial IgG4 antibody rate was 54%. There were statistically significant higher levels of W. bancrofti-specific Og4C3 antigen in the microfilaremic-antigenemic group than in the amicrofilaremic-antigenemic group (unpaired Student's t-test; p < 0.001), similar to the specific anti-filarial IgG4 antibody results (unpaired Student's t-test; p < 0.001). A statistically significant correlation of moderate degree between the presence of W. bancrofti-specific Og4C3 antigen and of specific anti-filarial IgG4 antibody was found in the amicrofilaremic group (r = 0.474, p < 0.001), but not in the microfilaremic group (r = 0.291, p > 0.05). Our study revealed a very high prevalence of bancroftian filariasis in this endemic area and thus emphasized the importance of using highly sensitive and specific diagnostic tools to evaluate the true prevalence of the disease.</div></front></TEI><affiliations><list><country><li>Thaïlande</li></country></list><tree><noCountry><name sortKey="Nuchprayoon, Issarang" sort="Nuchprayoon, Issarang" uniqKey="Nuchprayoon I" first="Issarang" last="Nuchprayoon">Issarang Nuchprayoon</name><name sortKey="Porksakorn, Chantima" sort="Porksakorn, Chantima" uniqKey="Porksakorn C" first="Chantima" last="Porksakorn">Chantima Porksakorn</name><name sortKey="Sanprasert, Vivornpun" sort="Sanprasert, Vivornpun" uniqKey="Sanprasert V" first="Vivornpun" last="Sanprasert">Vivornpun Sanprasert</name></noCountry><country name="Thaïlande"><noRegion><name sortKey="Nuchprayoon, Surang" sort="Nuchprayoon, Surang" uniqKey="Nuchprayoon S" first="Surang" last="Nuchprayoon">Surang Nuchprayoon</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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