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1.
Chinese Journal of Reparative and Reconstructive Surgery ; (12): 393-398, 2020.
Artículo en Chino | WPRIM | ID: wpr-856374

RESUMEN

Objective: To explore the research progress of the cell sources and related signaling pathways of the wound-induced hair follicle neogenesis (WIHN) in recent years. Methods: The literature related to WIHN in recent years was reviewed, and the cell sources and molecular mechanism were summarized and discussed. Results: Current research shows that WIHN is a rare regeneration phenomenon in the skin of adult mammals, with multiple cell origins, both hair follicle stem cells and epithelial stem cells around the wound. Its molecular mechanism is complicated, which is regulated by many signaling pathways. Besides, the process is closely related to the immune response, the immunocytes and their related cytokines provide suitable conditions for this process. Conclusion: There are still many unsolved problems on the cellular origins and molecular mechanisms of the WIHN. Further study on the mechanisms will enhance the understanding of adult mammals' hair follicle regeneration and may provide new strategy for functional healing of the human skin.

2.
Rev. bras. cir. plást ; 29(1): 136-141, jan.-mar. 2014.
Artículo en Inglés, Portugués | LILACS | ID: biblio-105

RESUMEN

Introdução: O sucesso de um enxerto de pele é avaliado não apenas pela integração do enxerto em si, mas também pela qualidade da recuperação da área doadora. A despeito de as áreas doadoras de enxertos representarem o melhor local para estudo de cicatrização de feridas, regimes de tratamento, de áreas doadoras, tem sido incompletamente estudados. Objetivo: Avaliação da eficácia de espumas de poliuretano como curativo de áreas doadoras de enxertos. Método: Estudo prospectivo no qual áreas doadoras de enxertos foram tratadas com espumas de poliuretano como alternativa a filmes de acetato de celulose. Resultados: Foram tratados 11 pacientes e catorze áreas doadoras de enxerto. Aderência prolongada (73%) e odor desagradável (45%) foram os problemas encontrados. Os resultados foram considerados insatisfatórios na grande maioria dos casos (73%). Conclusões: O uso de espumas de poliuretano mostrou-se ineficaz, nesse grupo de pacientes, devido à ocorrência de alto índice de complicações.


Introduction: The success of a skin graft is evaluated by not only the integration of the graft itself, but also the quality of the recovery of the donor site. Despite the fact that graft donor sites represent the best place to study wound healing, treatment regimens for donor sites have not been studied extensively. Method: To evaluate the efficiency of polyurethane foam as a dressing for graft donor sites. Methods: We conducted a prospective study in which graft donor sites were treated with polyurethane foam dressing, as an alternative to a cellulose acetate film. Results: We treated 11 patients and 14 donor graft sites. Problems associated with the use of polyurethane foam included prolonged adherence (73%) and an unpleasant odor (45%). The majority of patients reported that they found the dressing to be unsatisfactory (73%). Conclusions: The use of a polyurethane foam was shown to be ineffective as a graft donor site dressing, due to the high rate of associated complications.


Asunto(s)
Humanos , Masculino , Femenino , Adulto , Persona de Mediana Edad , Historia del Siglo XXI , Poliuretanos , Complicaciones Posoperatorias , Piel , Vendajes , Cicatrización de Heridas , Heridas y Lesiones , Apósitos Biológicos , Eficacia , Estudios Prospectivos , Trasplante de Piel , Estudio de Evaluación , Procedimientos Quirúrgicos Dermatologicos , Poliuretanos/análisis , Poliuretanos/uso terapéutico , Complicaciones Posoperatorias/cirugía , Piel/anatomía & histología , Vendajes/efectos adversos , Vendajes/normas , Heridas y Lesiones/cirugía , Heridas y Lesiones/terapia , Apósitos Biológicos/efectos adversos , Apósitos Biológicos/normas , Eficacia/métodos , Trasplante de Piel/efectos adversos , Trasplante de Piel/métodos , Trasplante de Piel/normas , Procedimientos Quirúrgicos Dermatologicos/efectos adversos , Procedimientos Quirúrgicos Dermatologicos/métodos
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