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  • Title: Characterization and responsiveness of the Madison 109 lung carcinoma to various antitumor agents.
    Author: Marks TA, Woodman RJ, Geran RI, Billups LH, Madison RM.
    Journal: Cancer Treat Rep; 1977 Nov; 61(8):1459-70. PubMed ID: 922751.
    Abstract:
    The Madison 109 (M109) tumor was discovered in 1964 in the lung of a BALB/c mouse. This experimental carcinoma is maintained in vivo by sc passage in the right axillary region. When implanted im (5 X 10(5) cells) into the right hind leg of BALB/c mice for testing, the primary progresses with metastases to the lung, spleen, and liver. The metastases to the lung are visible within 3 weeks and result in the death of the host in about 35 days after tumor implant. Implantation of a lung nodule is tumorigenic and lethal. Pyran polymer therapy delayed the appearance of lung metastases, inhibited the growth of the primary tumor, and significantly increased the lifespan of BALB/c mice inoculated with the M109 tumor. No spontaneous regression has been observed and very few "no takes" have occurred in untreated BALB/c mice inoculated with at least 500 M109 cells. Of the 82 agents tested so far, the M109 model has selected active agents such as actinomycin D, adriamycin, daunorubicin, DNA, procarbazine, and pyran polymer. It has not shown sensitivity as tested to several standard therapeutic agents including cytosine arabinoside, BCNU, hydroxyurea, mechlorethamine, melphalan, triethylenemelamine, and vincristine.
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