Paramyosin-enhanced clearance of Brugia malayi microfilaremia in mice.
Identifieur interne : 00DE21 ( Main/Exploration ); précédent : 00DE20; suivant : 00DE22Paramyosin-enhanced clearance of Brugia malayi microfilaremia in mice.
Auteurs : J. Nanduri [États-Unis] ; J W KazuraSource :
- Journal of immunology (Baltimore, Md. : 1950) [ 0022-1767 ] ; 1989.
Descripteurs français
- KwdFr :
- Adjuvants immunologiques (isolement et purification), Adjuvants immunologiques (pharmacologie), Animaux, Anticorps antihelminthe (immunologie), Antigènes d'helminthe (immunologie), Antigènes d'helminthe (isolement et purification), Brugia (immunologie), Filariose lymphatique (immunologie), Filariose lymphatique (parasitologie), Filarioses (immunologie), Humains, Lapins, Masse moléculaire, Membre pelvien, Mâle, Oedème (étiologie), Tropomyosine (immunologie), Tropomyosine (isolement et purification).
- MESH :
- immunologie : Anticorps antihelminthe, Antigènes d'helminthe, Brugia, Filariose lymphatique, Filarioses, Tropomyosine.
- isolement et purification : Adjuvants immunologiques, Antigènes d'helminthe, Tropomyosine.
- parasitologie : Filariose lymphatique.
- pharmacologie : Adjuvants immunologiques.
- étiologie : Oedème.
- Animaux, Humains, Lapins, Masse moléculaire, Membre pelvien, Mâle.
English descriptors
- KwdEn :
- Adjuvants, Immunologic (isolation & purification), Adjuvants, Immunologic (pharmacology), Animals, Antibodies, Helminth (immunology), Antigens, Helminth (immunology), Antigens, Helminth (isolation & purification), Brugia (immunology), Edema (etiology), Elephantiasis, Filarial (immunology), Elephantiasis, Filarial (parasitology), Filariasis (immunology), Hindlimb, Humans, Male, Molecular Weight, Rabbits, Tropomyosin (immunology), Tropomyosin (isolation & purification).
- MESH :
- chemical , immunology : Antibodies, Helminth, Antigens, Helminth, Tropomyosin.
- chemical , isolation & purification : Adjuvants, Immunologic, Antigens, Helminth, Tropomyosin.
- chemical , pharmacology : Adjuvants, Immunologic.
- etiology : Edema.
- immunology : Brugia, Elephantiasis, Filarial, Filariasis.
- parasitology : Elephantiasis, Filarial.
- Animals, Hindlimb, Humans, Male, Molecular Weight, Rabbits.
Abstract
Progress in development of a vaccine against human filariasis has been hampered by lack of knowledge of the biochemical structure of specific Ag that induce protective immunity in experimental hosts. In the current study, antiserum to infective third-stage larvae of Brugia malayi was used to select potentially protective Ag shared by microfilariae (mf) and adult worms. A major Ag of 97 kDa (Bm 97) was identified by immunoblotting and isolated by electroelution. Immunization of mice with 2 micrograms electroeluted Bm 97 induced partial resistance to subsequent i.v. challenge with live B. malayi mf (40 to 60% reduction in parasitemia compared to controls, p less than 0.05). Immunoblot studies of B. malayi mf and adult worm lysates showed reactivity of a 97-kDa molecule with monospecific antiserum to Schistosoma mansoni paramyosin. In addition, mouse antibody to Bm 97 reacted with a 97-kDa molecule contained in wild-type Caenorhabditis elegans but not in two mutant strains deficient for paramyosin. Subcutaneous injection of mice with paramyosin (5 micrograms twice at a 2-wk interval) purified from C. elegans or B. malayi by salt precipitation induced resistance to microfilaremia (21 to 60% lower intensities than controls, p less than 0.01). These data indicate that the invertebrate muscle protein paramyosin enhances clearance of blood-borne stages of lymphatic filariae. Examination of the ability of paramyosin to induce resistance in third-stage larvae-challenged hosts is warranted.
PubMed: 2809205
Affiliations:
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Nanduri</name><affiliation wicri:level="2"><nlm:affiliation>Department of Medicine, Case Western Reserve University, Cleveland, OH 44106.</nlm:affiliation><country xml:lang="fr">États-Unis</country><placeName><region type="state">Ohio</region></placeName><wicri:cityArea>Department of Medicine, Case Western Reserve University, Cleveland</wicri:cityArea></affiliation></author><author><name sortKey="Kazura, J W" sort="Kazura, J W" uniqKey="Kazura J" first="J W" last="Kazura">J W Kazura</name></author></analytic><series><title level="j">Journal of immunology (Baltimore, Md. : 1950)</title><idno type="ISSN">0022-1767</idno><imprint><date when="1989" type="published">1989</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adjuvants, Immunologic (isolation & purification)</term><term>Adjuvants, Immunologic (pharmacology)</term><term>Animals</term><term>Antibodies, Helminth (immunology)</term><term>Antigens, Helminth (immunology)</term><term>Antigens, Helminth (isolation & purification)</term><term>Brugia (immunology)</term><term>Edema (etiology)</term><term>Elephantiasis, Filarial (immunology)</term><term>Elephantiasis, Filarial (parasitology)</term><term>Filariasis (immunology)</term><term>Hindlimb</term><term>Humans</term><term>Male</term><term>Molecular Weight</term><term>Rabbits</term><term>Tropomyosin (immunology)</term><term>Tropomyosin (isolation & purification)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adjuvants immunologiques (isolement et purification)</term><term>Adjuvants immunologiques (pharmacologie)</term><term>Animaux</term><term>Anticorps antihelminthe (immunologie)</term><term>Antigènes d'helminthe (immunologie)</term><term>Antigènes d'helminthe (isolement et purification)</term><term>Brugia (immunologie)</term><term>Filariose lymphatique (immunologie)</term><term>Filariose lymphatique (parasitologie)</term><term>Filarioses (immunologie)</term><term>Humains</term><term>Lapins</term><term>Masse moléculaire</term><term>Membre pelvien</term><term>Mâle</term><term>Oedème (étiologie)</term><term>Tropomyosine (immunologie)</term><term>Tropomyosine (isolement et purification)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="immunology" xml:lang="en"><term>Antibodies, Helminth</term><term>Antigens, Helminth</term><term>Tropomyosin</term></keywords><keywords scheme="MESH" type="chemical" qualifier="isolation & purification" xml:lang="en"><term>Adjuvants, Immunologic</term><term>Antigens, Helminth</term><term>Tropomyosin</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Adjuvants, Immunologic</term></keywords><keywords scheme="MESH" qualifier="etiology" xml:lang="en"><term>Edema</term></keywords><keywords scheme="MESH" qualifier="immunologie" xml:lang="fr"><term>Anticorps antihelminthe</term><term>Antigènes d'helminthe</term><term>Brugia</term><term>Filariose lymphatique</term><term>Filarioses</term><term>Tropomyosine</term></keywords><keywords scheme="MESH" qualifier="immunology" xml:lang="en"><term>Brugia</term><term>Elephantiasis, Filarial</term><term>Filariasis</term></keywords><keywords scheme="MESH" qualifier="isolement et purification" xml:lang="fr"><term>Adjuvants immunologiques</term><term>Antigènes d'helminthe</term><term>Tropomyosine</term></keywords><keywords scheme="MESH" qualifier="parasitologie" xml:lang="fr"><term>Filariose lymphatique</term></keywords><keywords scheme="MESH" qualifier="parasitology" xml:lang="en"><term>Elephantiasis, Filarial</term></keywords><keywords scheme="MESH" qualifier="pharmacologie" xml:lang="fr"><term>Adjuvants immunologiques</term></keywords><keywords scheme="MESH" qualifier="étiologie" xml:lang="fr"><term>Oedème</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Hindlimb</term><term>Humans</term><term>Male</term><term>Molecular Weight</term><term>Rabbits</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Animaux</term><term>Humains</term><term>Lapins</term><term>Masse moléculaire</term><term>Membre pelvien</term><term>Mâle</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Progress in development of a vaccine against human filariasis has been hampered by lack of knowledge of the biochemical structure of specific Ag that induce protective immunity in experimental hosts. In the current study, antiserum to infective third-stage larvae of Brugia malayi was used to select potentially protective Ag shared by microfilariae (mf) and adult worms. A major Ag of 97 kDa (Bm 97) was identified by immunoblotting and isolated by electroelution. Immunization of mice with 2 micrograms electroeluted Bm 97 induced partial resistance to subsequent i.v. challenge with live B. malayi mf (40 to 60% reduction in parasitemia compared to controls, p less than 0.05). Immunoblot studies of B. malayi mf and adult worm lysates showed reactivity of a 97-kDa molecule with monospecific antiserum to Schistosoma mansoni paramyosin. In addition, mouse antibody to Bm 97 reacted with a 97-kDa molecule contained in wild-type Caenorhabditis elegans but not in two mutant strains deficient for paramyosin. Subcutaneous injection of mice with paramyosin (5 micrograms twice at a 2-wk interval) purified from C. elegans or B. malayi by salt precipitation induced resistance to microfilaremia (21 to 60% lower intensities than controls, p less than 0.01). These data indicate that the invertebrate muscle protein paramyosin enhances clearance of blood-borne stages of lymphatic filariae. Examination of the ability of paramyosin to induce resistance in third-stage larvae-challenged hosts is warranted.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Ohio</li></region></list><tree><noCountry><name sortKey="Kazura, J W" sort="Kazura, J W" uniqKey="Kazura J" first="J W" last="Kazura">J W Kazura</name></noCountry><country name="États-Unis"><region name="Ohio"><name sortKey="Nanduri, J" sort="Nanduri, J" uniqKey="Nanduri J" first="J" last="Nanduri">J. Nanduri</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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