2003
DOI: 10.1590/s0102-86502003000400003
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Investigação do transplante heterólogo de quelóide na bolsa jugal do hamster (Mesocricetus auratus)

Abstract: IntroduçãoExiste um consenso que o quelóide seja considerado uma neoplasia benigna, pois tem potencial de crescimento autônomo, e se desenvolve in vitro mesmo na ausência de fatores humorais. (1) Porém, ainda não Hochman B, Ferreira LM, Vilas Bôas FC, Mariano M. Investigação do transplante heterólogo de quelóide na bolsa jugal do hamster (Mesocricetus auratus). Acta Cir Bras [serial online] 2003 Jul-Ago;18(4). Disponível em URL: http://www.scielo.br/acb. RESUMO -Objetivo: Descrever a integração do transplante … Show more

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Cited by 6 publications
(8 citation statements)
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“…24,27 Human skin fragments into the hamster cheek pouch also present not specific inflammatory infiltration during the early phases of grafting, but with less intensity than in keloid. 14,23 This difference of infiltration could be translated into the fact that skin heterografts into the hamster pouch were presenting higher and earlier integration rates, 14 besides keloid microvascular occlusive commitment. Since a real phenomenon of immune rejection was not characterized in the hamster cheek pouch sub-epithelium, and the fragments of keloid present a more intensive inflammatory infiltration than the heterologous skin grafts, 14 this study allows us to suggest that the keloid graft has a more intensive proinflammatory factor than the skin grafts.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…24,27 Human skin fragments into the hamster cheek pouch also present not specific inflammatory infiltration during the early phases of grafting, but with less intensity than in keloid. 14,23 This difference of infiltration could be translated into the fact that skin heterografts into the hamster pouch were presenting higher and earlier integration rates, 14 besides keloid microvascular occlusive commitment. Since a real phenomenon of immune rejection was not characterized in the hamster cheek pouch sub-epithelium, and the fragments of keloid present a more intensive inflammatory infiltration than the heterologous skin grafts, 14 this study allows us to suggest that the keloid graft has a more intensive proinflammatory factor than the skin grafts.…”
Section: Discussionmentioning
confidence: 99%
“…The incision on the epithelium was closed by simple bi-digital coaptation of wound borders and, finally, the pouch was invaginated into the oral cavity. 14,23 Then, after recovered from the general anesthesia, animals were sent to the bioterium. During the collection of pouches for examination of the grafted keloid fragments, by group, each animal was again anesthetized.…”
Section: Surgical Techniquementioning
confidence: 99%
“…Ainda, para demonstrar estruturas anatômicas ou planos cirúrgicos dos modelos experimentais, principalmente nos de pequeno porte, além de utilizar os recursos de macrofotografia, podem-se utilizar recursos físicos ou artifícios, como por meio de agulhas, que auxiliem na construção das legendas das figuras (Figura 3-B). 23,24 expor a fotografia em eventos médicos ou publicações científicas. Em caso de pacientes menores ou que tenham responsáveis legais, estes últimos deverão assinar a autorização referente ao paciente em questão.…”
Section: Documentação Fotográfica Em Pesquisa Experimentalunclassified
“…É possível, pela padronização fotográfica, descrever seqüencialmente as etapas operatórias das técnicas cirúrgicas utilizadas no modelo animal, transmitindo um caráter dinâmico às exposições fotográficas. 16,23,24 Desde que padronizadas as fotografias, pode-se documentar fidedignamente a evolução das alterações macroscópicas durante o experimento. Essa condição fotográfica inclui, preferencialmente, a manutenção do animal anestesiado e vivo, mesmo que a seguir o mesmo seja sacrificado.…”
Section: Documentação Fotográfica Em Pesquisa Experimentalunclassified
“…Said demands may also impair the models for some types of studies, or even, be very expensive or not viable for many investigators. 3 The hamster (Mesocricetus auratus) is an experimental animal with a natural Immunologically Privileged Site placed in the sub-epithelium of a pouch exisiting at both sides of the oral cavity. Conceptually, an immunologically privileged site would result from the absence or deficiency of a suitable afferent anatomical pathway to drain antigenetic material to a regional lymphatic station, whose presence would recognize the antigen and would start the immune response.…”
Section: ____________________mentioning
confidence: 99%