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甲氨蝶呤对雌性C3H小鼠自发性乳腺腺癌的影响。

The effect of methotrexate on spontaneous mammary adenocarcinomata in female C3H mice.

作者信息

Shewell J

出版信息

Br J Cancer. 1976 Feb;33(2):210-6. doi: 10.1038/bjc.1976.27.

Abstract

The effect of methotrexate on solid rodent tumours has been investigated using the spontaneous mammary adenocarcinoma of the female C3H/Bts mouse. As these tumours exhibit a wide range of volume doubling times, calculations of tumour response to methotrexate must be related to doubling time. When methotrexate is injected into the tumour a dose-dependent tumour response is obtained. Systemic citrovorum "rescue" prevents methotrexate lethalities but reduces tumour response by a factor of 2. Methotrexate-treated tumours have an increased volume doubling time post treatment.

摘要

已使用雌性C3H/Bts小鼠的自发性乳腺腺癌研究了甲氨蝶呤对实体啮齿动物肿瘤的作用。由于这些肿瘤表现出广泛的体积倍增时间,因此对甲氨蝶呤的肿瘤反应计算必须与倍增时间相关。当将甲氨蝶呤注射到肿瘤中时,可获得剂量依赖性的肿瘤反应。全身性亚叶酸“解救”可防止甲氨蝶呤致死,但会使肿瘤反应降低一半。经甲氨蝶呤治疗的肿瘤在治疗后体积倍增时间增加。

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