Host cell adhesion to Schistosoma mansoni larvae in the peritoneal cavity of naive mice: histological and scanning electron microscopic studies Adesão celular às larvas de Schistosoma mansoni na cavidade peritoneal de camundongos normais: estudos histológicos e microscopia eletrônica de varredura
Cercariae of Schistosoma mansoni inoculated into the peritoneal cavity of naive mice induced host cell adhesion to their surface, but after 90 minutes the number of adherent cells sharply decreased. The cell detachment is progressive and simultaneous to the cercaria-schistosomule transformation. The...
Published in: | Revista do Instituto de Medicina Tropical de São Paulo |
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Language: | English |
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Universidade de São Paulo (USP)
1993
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Online Access: | https://doi.org/10.1590/S0036-46651993000100003 https://doaj.org/article/e6d1037b259c4a0d88cb70da1d5aedcf |
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ftdoajarticles:oai:doaj.org/article:e6d1037b259c4a0d88cb70da1d5aedcf 2024-09-09T19:27:01+00:00 Host cell adhesion to Schistosoma mansoni larvae in the peritoneal cavity of naive mice: histological and scanning electron microscopic studies Adesão celular às larvas de Schistosoma mansoni na cavidade peritoneal de camundongos normais: estudos histológicos e microscopia eletrônica de varredura Alan Lane de Melo Conceição Ribeiro da Silva Machado Leógenes Horácio Pereira 1993-02-01T00:00:00Z https://doi.org/10.1590/S0036-46651993000100003 https://doaj.org/article/e6d1037b259c4a0d88cb70da1d5aedcf EN eng Universidade de São Paulo (USP) http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0036-46651993000100003 https://doaj.org/toc/0036-4665 https://doaj.org/toc/1678-9946 doi:10.1590/S0036-46651993000100003 0036-4665 1678-9946 https://doaj.org/article/e6d1037b259c4a0d88cb70da1d5aedcf Revista do Instituto de Medicina Tropical de São Paulo, Vol 35, Iss 1, Pp 17-22 (1993) Schistosoma mansoni Cell adhesion Neutrophils Cercaria Arctic medicine. Tropical medicine RC955-962 Infectious and parasitic diseases RC109-216 article 1993 ftdoajarticles https://doi.org/10.1590/S0036-46651993000100003 2024-08-05T17:49:30Z Cercariae of Schistosoma mansoni inoculated into the peritoneal cavity of naive mice induced host cell adhesion to their surface, but after 90 minutes the number of adherent cells sharply decreased. The cell detachment is progressive and simultaneous to the cercaria-schistosomule transformation. The histological study showed mainly neutrophils in close contact with the larvae. Mononuclear cells and some eosinophils were occasionally seen surrounding the adherent neutrophils. The scanning electron microscopy showed cells displaying twisted microvilli and several microplicae contacting or spreading over the larval surface, and larvae completely surrounded by clusters of cells. These results suggest that the neutrophils recognize molecules on the cercarial surface which induce their spreading A inoculação de cercárias de Schistosoma mansoni na cavidade peritoneal de camundongos normais induz uma aderência de células do hospedeiro a essas larvas. Essa adesão decresce rapidamente quando a larva infectante transforma-se em esquistossômulo. O destacamento das células é progressivo e simultâneo à transformação. Os métodos histológicos e a microscopia eletrônica de varredura mostraram que o neutrófilo é a célula predominante em estreito contacto com a larva. Células mononucleadas e eosinófilos foram observados rodeando o parasito, usualmente sem estar em contacto direto com a larva. Os resultados indicam que neutrófilos podem reconhecer, na superfície larvária, moléculas que induzem sua adesão e espalhamento. Article in Journal/Newspaper Arctic Directory of Open Access Journals: DOAJ Articles Arctic Destacamento ENVELOPE(-59.900,-59.900,-62.600,-62.600) Revista do Instituto de Medicina Tropical de São Paulo 35 1 17 22 |
institution |
Open Polar |
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Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Schistosoma mansoni Cell adhesion Neutrophils Cercaria Arctic medicine. Tropical medicine RC955-962 Infectious and parasitic diseases RC109-216 |
spellingShingle |
Schistosoma mansoni Cell adhesion Neutrophils Cercaria Arctic medicine. Tropical medicine RC955-962 Infectious and parasitic diseases RC109-216 Alan Lane de Melo Conceição Ribeiro da Silva Machado Leógenes Horácio Pereira Host cell adhesion to Schistosoma mansoni larvae in the peritoneal cavity of naive mice: histological and scanning electron microscopic studies Adesão celular às larvas de Schistosoma mansoni na cavidade peritoneal de camundongos normais: estudos histológicos e microscopia eletrônica de varredura |
topic_facet |
Schistosoma mansoni Cell adhesion Neutrophils Cercaria Arctic medicine. Tropical medicine RC955-962 Infectious and parasitic diseases RC109-216 |
description |
Cercariae of Schistosoma mansoni inoculated into the peritoneal cavity of naive mice induced host cell adhesion to their surface, but after 90 minutes the number of adherent cells sharply decreased. The cell detachment is progressive and simultaneous to the cercaria-schistosomule transformation. The histological study showed mainly neutrophils in close contact with the larvae. Mononuclear cells and some eosinophils were occasionally seen surrounding the adherent neutrophils. The scanning electron microscopy showed cells displaying twisted microvilli and several microplicae contacting or spreading over the larval surface, and larvae completely surrounded by clusters of cells. These results suggest that the neutrophils recognize molecules on the cercarial surface which induce their spreading A inoculação de cercárias de Schistosoma mansoni na cavidade peritoneal de camundongos normais induz uma aderência de células do hospedeiro a essas larvas. Essa adesão decresce rapidamente quando a larva infectante transforma-se em esquistossômulo. O destacamento das células é progressivo e simultâneo à transformação. Os métodos histológicos e a microscopia eletrônica de varredura mostraram que o neutrófilo é a célula predominante em estreito contacto com a larva. Células mononucleadas e eosinófilos foram observados rodeando o parasito, usualmente sem estar em contacto direto com a larva. Os resultados indicam que neutrófilos podem reconhecer, na superfície larvária, moléculas que induzem sua adesão e espalhamento. |
format |
Article in Journal/Newspaper |
author |
Alan Lane de Melo Conceição Ribeiro da Silva Machado Leógenes Horácio Pereira |
author_facet |
Alan Lane de Melo Conceição Ribeiro da Silva Machado Leógenes Horácio Pereira |
author_sort |
Alan Lane de Melo |
title |
Host cell adhesion to Schistosoma mansoni larvae in the peritoneal cavity of naive mice: histological and scanning electron microscopic studies Adesão celular às larvas de Schistosoma mansoni na cavidade peritoneal de camundongos normais: estudos histológicos e microscopia eletrônica de varredura |
title_short |
Host cell adhesion to Schistosoma mansoni larvae in the peritoneal cavity of naive mice: histological and scanning electron microscopic studies Adesão celular às larvas de Schistosoma mansoni na cavidade peritoneal de camundongos normais: estudos histológicos e microscopia eletrônica de varredura |
title_full |
Host cell adhesion to Schistosoma mansoni larvae in the peritoneal cavity of naive mice: histological and scanning electron microscopic studies Adesão celular às larvas de Schistosoma mansoni na cavidade peritoneal de camundongos normais: estudos histológicos e microscopia eletrônica de varredura |
title_fullStr |
Host cell adhesion to Schistosoma mansoni larvae in the peritoneal cavity of naive mice: histological and scanning electron microscopic studies Adesão celular às larvas de Schistosoma mansoni na cavidade peritoneal de camundongos normais: estudos histológicos e microscopia eletrônica de varredura |
title_full_unstemmed |
Host cell adhesion to Schistosoma mansoni larvae in the peritoneal cavity of naive mice: histological and scanning electron microscopic studies Adesão celular às larvas de Schistosoma mansoni na cavidade peritoneal de camundongos normais: estudos histológicos e microscopia eletrônica de varredura |
title_sort |
host cell adhesion to schistosoma mansoni larvae in the peritoneal cavity of naive mice: histological and scanning electron microscopic studies adesão celular às larvas de schistosoma mansoni na cavidade peritoneal de camundongos normais: estudos histológicos e microscopia eletrônica de varredura |
publisher |
Universidade de São Paulo (USP) |
publishDate |
1993 |
url |
https://doi.org/10.1590/S0036-46651993000100003 https://doaj.org/article/e6d1037b259c4a0d88cb70da1d5aedcf |
long_lat |
ENVELOPE(-59.900,-59.900,-62.600,-62.600) |
geographic |
Arctic Destacamento |
geographic_facet |
Arctic Destacamento |
genre |
Arctic |
genre_facet |
Arctic |
op_source |
Revista do Instituto de Medicina Tropical de São Paulo, Vol 35, Iss 1, Pp 17-22 (1993) |
op_relation |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0036-46651993000100003 https://doaj.org/toc/0036-4665 https://doaj.org/toc/1678-9946 doi:10.1590/S0036-46651993000100003 0036-4665 1678-9946 https://doaj.org/article/e6d1037b259c4a0d88cb70da1d5aedcf |
op_doi |
https://doi.org/10.1590/S0036-46651993000100003 |
container_title |
Revista do Instituto de Medicina Tropical de São Paulo |
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35 |
container_issue |
1 |
container_start_page |
17 |
op_container_end_page |
22 |
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1809896521748971520 |