| 释义 |
co-carcinogen|kəʊˈkɑːsɪnədʒən|
[f. co- 3 + carcinogen.]
A substance that increases the carcinogenic effect of some other substance but which is not itself carcinogenic. Hence ˌco-carcinoˈgenic a.
1938M. J. Shear in Amer. Jrnl. Cancer XXXIII. 532 Since it does not appear to be carcinogenic itself and yet enhances the activity of 3:4-benzpyrene, it has been termed, for convenience, a ‘co-carcinogen’. 1941Cancer Res. I. 47/2 It is as yet impossible to estimate the extent to which cocarcinogenic action is responsible for an augmentation of tumor production in man. 1956Ann. Rep. Brit. Empire Cancer Campaign 1955 239 This would suggest therefore that the tar solution has a weak co-carcinogenic action. 1962Lancet 13 Jan. 85/2 Tobacco tar contains in abundance a phenolic fraction which acts as a powerful co-carcinogen agent. 1968New Scientist 26 Sept. 638/2 The concept of viruses as co-carcinogens—that is, as only one factor among several which lead ultimately to a cancer. |