Human Bancroftian filariasis: loss of patent microfilaraemia is not associated with production of antibodies to microfilarial sheath.
Identifieur interne : 009A29 ( Main/Exploration ); précédent : 009A28; suivant : 009A30Human Bancroftian filariasis: loss of patent microfilaraemia is not associated with production of antibodies to microfilarial sheath.
Auteurs : A K Satapathy [Inde] ; P K Sahoo ; J J Babu Geddam ; M C Mohanty ; B. RavindranSource :
- Parasite immunology [ 0141-9838 ] ; 2001.
Descripteurs français
- KwdFr :
- Animaux, Anticorps antihelminthe (biosynthèse), Anticorps antihelminthe (immunologie), Anticorps antihelminthe (sang), Antigènes d'helminthe (immunologie), Antigènes d'helminthe (sang), Filariose lymphatique (immunologie), Filariose lymphatique (parasitologie), Filariose lymphatique (sang), Humains, Wuchereria bancrofti (immunologie), Wuchereria bancrofti (isolement et purification), Études de cohortes.
- MESH :
- biosynthèse : Anticorps antihelminthe.
- immunologie : Anticorps antihelminthe, Antigènes d'helminthe, Filariose lymphatique, Wuchereria bancrofti.
- isolement et purification : Wuchereria bancrofti.
- parasitologie : Filariose lymphatique.
- sang : Anticorps antihelminthe, Antigènes d'helminthe, Filariose lymphatique.
- Animaux, Humains, Études de cohortes.
English descriptors
- KwdEn :
- Animals, Antibodies, Helminth (biosynthesis), Antibodies, Helminth (blood), Antibodies, Helminth (immunology), Antigens, Helminth (blood), Antigens, Helminth (immunology), Cohort Studies, Elephantiasis, Filarial (blood), Elephantiasis, Filarial (immunology), Elephantiasis, Filarial (parasitology), Humans, Wuchereria bancrofti (immunology), Wuchereria bancrofti (isolation & purification).
- MESH :
- chemical , biosynthesis : Antibodies, Helminth.
- chemical , blood : Antibodies, Helminth, Antigens, Helminth.
- chemical , immunology : Antibodies, Helminth, Antigens, Helminth.
- blood : Elephantiasis, Filarial.
- immunology : Elephantiasis, Filarial, Wuchereria bancrofti.
- isolation & purification : Wuchereria bancrofti.
- parasitology : Elephantiasis, Filarial.
- Animals, Cohort Studies, Humans.
Abstract
Antisheath antibodies have been incriminated in elimination of circulating microfilariae in human filariasis since a very significant inverse association has been consistently demonstrated between the two parameters. An attempt was made in the present study to seek empirical proof for the above proposal. Two cohorts of 43 and 73 microfilariae (mf) carriers were examined after 13 and 10 years, respectively, for mf as well as antisheath antibodies. The first cohort was also examined for the presence of circulating filarial antigen (CFA). Of the 43 mf carriers examined after 13 years, 62.8% were free of circulating mf although only 3.7% of them had demonstrable antisheath antibodies. Approximately 93% of this cohort (with or without current microfilaraemia) tested positive for CFA after 13 years indicating continued presence of adult filarial worms in the host after loss of mf in circulation. When the second cohort of 73 mf carriers were examined after 10 years, 30 were found to be amicrofilaraemic and only 6.66% of them had demonstrable antisheath antibodies. We conclude that, in human Bancroftian filariasis, elimination of circulating microfilariae may not be mediated by antibodies to microfilarial sheath.
PubMed: 11240907
Affiliations:
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An attempt was made in the present study to seek empirical proof for the above proposal. Two cohorts of 43 and 73 microfilariae (mf) carriers were examined after 13 and 10 years, respectively, for mf as well as antisheath antibodies. The first cohort was also examined for the presence of circulating filarial antigen (CFA). Of the 43 mf carriers examined after 13 years, 62.8% were free of circulating mf although only 3.7% of them had demonstrable antisheath antibodies. Approximately 93% of this cohort (with or without current microfilaraemia) tested positive for CFA after 13 years indicating continued presence of adult filarial worms in the host after loss of mf in circulation. When the second cohort of 73 mf carriers were examined after 10 years, 30 were found to be amicrofilaraemic and only 6.66% of them had demonstrable antisheath antibodies. We conclude that, in human Bancroftian filariasis, elimination of circulating microfilariae may not be mediated by antibodies to microfilarial sheath.</div></front></TEI><affiliations><list><country><li>Inde</li></country></list><tree><noCountry><name sortKey="Babu Geddam, J J" sort="Babu Geddam, J J" uniqKey="Babu Geddam J" first="J J" last="Babu Geddam">J J Babu Geddam</name><name sortKey="Mohanty, M C" sort="Mohanty, M C" uniqKey="Mohanty M" first="M C" last="Mohanty">M C Mohanty</name><name sortKey="Ravindran, B" sort="Ravindran, B" uniqKey="Ravindran B" first="B" last="Ravindran">B. Ravindran</name><name sortKey="Sahoo, P K" sort="Sahoo, P K" uniqKey="Sahoo P" first="P K" last="Sahoo">P K Sahoo</name></noCountry><country name="Inde"><noRegion><name sortKey="Satapathy, A K" sort="Satapathy, A K" uniqKey="Satapathy A" first="A K" last="Satapathy">A K Satapathy</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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