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1.
Journal of Korean Burn Society ; : 82-87, 2016.
Artigo em Coreano | WPRIM | ID: wpr-127132

RESUMO

This study was performed to compare the healing quality of the allogenic acellular dermal matix (ADM) and xenogenic ADM combined with autologous split thicknessskin graft. Xenogenic ADM was obtained from two wild type pigs. Allogenic ADM was obtained from cynomolgus monkeys. ADM was stored with cryo-preservation. Full-thickness skin wounds were made on the back of two cynomolgus monkeys. In one monkey, wounds were covered by allogenic ADM combined with autologous split thickness skin graft (STSG) or autologous STSGonly. In another monkey, wounds were covered by xenogenic ADM combined with autologous skin graft or autologous skin graft only. Skin healing process was observed during 2 weeks and skin biopsies were performed on 3 months after skin transplantation. We obtained IACUC approval (ORIENT-IACUC-16053). Skin on the xenogenic ADM was necrotized 1 week after skin transplantation. Possibly due to the thickness of ADM, which block the blood supply from the subcutaneous tissue to the autologous skin graft. Skin biopsy revealed that less fibrotic change of the skin on the ADM compared with the skin without ADM. Xenogenic ADM can be used in high degree burn patients who can suffered from contracture after healing since it can reduce fibrotic change.


Assuntos
Humanos , Derme Acelular , Comitês de Cuidado Animal , Biópsia , Queimaduras , Contratura , Haplorrinos , Macaca fascicularis , Primatas , Transplante de Pele , Pele , Tela Subcutânea , Suínos , Transplantes , Ferimentos e Lesões
2.
The Journal of the Korean Society for Transplantation ; : 69-76, 2016.
Artigo em Coreano | WPRIM | ID: wpr-45803

RESUMO

Solid organ xenotransplantation using transgenic pig organs is proposed as an alternative method for allo-transplantation. To accomplish this, immunologic and non-immunologic barriers for xenotransplantation should be overcome, and experiments on pigs to non-human primates (NHP) are now ongoing for clinical application. Before the clinical experiment, public consensus about ethical decisions must be considered. The results of NHP experiments on solid organ xenotransplantation are improving, and it is expected that xeno-solid organs can be used as new organs for human patients in the future.


Assuntos
Humanos , Consenso , Métodos , Primatas , Suínos , Transplante Heterólogo
3.
Journal of Veterinary Science ; : 243-245, 2005.
Artigo em Inglês | WPRIM | ID: wpr-128171

RESUMO

Inbred strains of pig become indispensable for a wide range of biological studies. In biomedical science, it is generally accepted that somatic cell nuclear transfer(SCNT)technology with inbreed strain of pig is essential for xenotransplantation. In this study, we observed the anal atresia in a cloned pig which was derived from fetal fibroblast of inbreed miniature pig. A presumptive anal site of the cloned pig was excised and the rectum was sutured to apposed skin for treatment. This cloned piglet seemed to be normal with healthy status after surgery. This report can be useful for the treatment of anal atresia of cloned piglets.


Assuntos
Animais , Feminino , Animais Geneticamente Modificados/cirurgia , Anus Imperfurado/genética , Clonagem de Organismos , Predisposição Genética para Doença , Suínos/anormalidades
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