Establishment and Characterization of Orthotopic Mouse Models for Human Uveal Melanoma Hepatic Colonization.
Am J Pathol
; 186(1): 43-56, 2016 Jan.
Article
en En
| MEDLINE
| ID: mdl-26613897
ABSTRACT
Uveal melanoma (UM) is a rare type of melanoma, although it is the most common primary ocular malignant tumor in adults. Nearly one-half the patients with primary UM subsequently develop systemic metastasis, preferentially to the liver. Currently, no treatment is effective for UM hepatic metastasis, and the prognosis is universally poor. The main challenge in designing a treatment strategy for UM hepatic metastasis is the lack of suitable animal models. We developed two orthotopic mouse models for human UM hepatic metastases direct hepatic implantation model (intrahepatic dissemination model) and splenic-implantation model (hematogenous dissemination model) and investigated the tumorgenesis in the liver. A human UM cell line, established from a hepatic metastasis and nonobese diabetic severe combined immunodeficient γ mice, were used for development of in vivo tumor models. In the direct hepatic implantation model, a localized tumor developed in the liver in all cases and intrahepatic dissemination was subsequently seen in about one-half of cases. However, in the splenic implantation model, multiple hepatic metastases were observed after splenic implantation. Hepatic tumors subsequently seeded intra-abdominal metastasis; however, lung metastases were not seen. These findings are consistent with those observed in human UM hepatic metastases. These orthotopic mouse models offer useful tools to investigate the biological behavior of human UM cells in the liver.
Texto completo:
1
Colección:
01-internacional
Banco de datos:
MEDLINE
Asunto principal:
Neoplasias de la Úvea
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Modelos Animales de Enfermedad
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Neoplasias Hepáticas
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Melanoma
Tipo de estudio:
Prognostic_studies
Límite:
Animals
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Female
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Humans
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Male
Idioma:
En
Revista:
Am J Pathol
Año:
2016
Tipo del documento:
Article
País de afiliación:
Japón