Biomaterial Database

Induction of uterine hemangioendothelioma and lymphoma in (C57BL/6N x C3H/2N)F1 mice by oral administration of azathioprine. 1989

A Ito, and M Mori, and M Naito

Department of Cancer Research, Hiroshima University.

The tumorigenicity of 6-(1-methyl-4-nitro-5-imidazolyl)mercaptopurine (azathioprine), an immunosuppressant, was examined in (C57BL/6N X C3H/2N)F1 mice. Animals were divided into 6 groups with 50 mice in each group, and they were given powdered diet mixed with 0, 5 or 20 ppm azathioprine starting at 6 weeks and ending at 100 weeks of age. Female mice, given 20 ppm azathioprine, developed lymphomas and uterine hemangioendotheliomas at incidences of 12.5 and 14.6%, respectively, which were significantly higher than the incidences in control mice (P less than 0.05). Lymphoma and uterine hemangioendothelioma developed independently in different mice. On the other hand, the male mice given 20 ppm azathioprine had a significantly (P less than 0.05) lower incidence of hepatic tumor (0.5%) compared to the control mice (16%).

UI	MeSH Term	Description	Entries
D008223	Lymphoma	A general term for various neoplastic diseases of the lymphoid tissue.	Germinoblastoma,Lymphoma, Malignant,Reticulolymphosarcoma,Sarcoma, Germinoblastic,Germinoblastic Sarcoma,Germinoblastic Sarcomas,Germinoblastomas,Lymphomas,Lymphomas, Malignant,Malignant Lymphoma,Malignant Lymphomas,Reticulolymphosarcomas,Sarcomas, Germinoblastic
D008297	Male		Males
D008809	Mice, Inbred C3H	An inbred strain of mouse that is used as a general purpose strain in a wide variety of RESEARCH areas including CANCER; INFECTIOUS DISEASES; sensorineural, and cardiovascular biology research.	Mice, C3H,Mouse, C3H,Mouse, Inbred C3H,C3H Mice,C3H Mice, Inbred,C3H Mouse,C3H Mouse, Inbred,Inbred C3H Mice,Inbred C3H Mouse
D008810	Mice, Inbred C57BL	One of the first INBRED MOUSE STRAINS to be sequenced. This strain is commonly used as genetic background for transgenic mouse models. Refractory to many tumors, this strain is also preferred model for studying role of genetic variations in development of diseases.	Mice, C57BL,Mouse, C57BL,Mouse, Inbred C57BL,C57BL Mice,C57BL Mice, Inbred,C57BL Mouse,C57BL Mouse, Inbred,Inbred C57BL Mice,Inbred C57BL Mouse
D001835	Body Weight	The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms.	Body Weights,Weight, Body,Weights, Body
D005260	Female		Females
D006390	Hemangioendothelioma	A neoplasm derived from blood vessels, characterized by numerous prominent endothelial cells that occur singly, in aggregates, and as the lining of congeries of vascular tubes or channels. Hemangioendotheliomas are relatively rare and are of intermediate malignancy (between benign hemangiomas and conventional angiosarcomas). They affect men and women about equally and rarely develop in childhood. (From Stedman, 25th ed; Holland et al., Cancer Medicine, 3d ed, p1866)	Endothelioma, Vascular,Hemangio-Endothelioma,Endotheliomas, Vascular,Hemangio Endothelioma,Hemangio-Endotheliomas,Hemangioendotheliomas,Vascular Endothelioma,Vascular Endotheliomas
D000284	Administration, Oral	The giving of drugs, chemicals, or other substances by mouth.	Drug Administration, Oral,Administration, Oral Drug,Oral Administration,Oral Drug Administration,Administrations, Oral,Administrations, Oral Drug,Drug Administrations, Oral,Oral Administrations,Oral Drug Administrations
D000818	Animals	Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA.	Animal,Metazoa,Animalia
D001379	Azathioprine	An immunosuppressive agent used in combination with cyclophosphamide and hydroxychloroquine in the treatment of rheumatoid arthritis. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), this substance has been listed as a known carcinogen. (Merck Index, 11th ed)	Azathioprine Sodium,Azathioprine Sodium Salt,Azathioprine Sulfate,Azothioprine,Immuran,Imuran,Imurel,Sodium, Azathioprine