co-carcinogenn.

/kəʊˈkɑːsɪnədʒən/

Etymology: < co- prefix 5 + carcinogen n.

A substance that increases the carcinogenic effect of some other substance but which is not itself carcinogenic.

ΘΚΠ

the world > health and disease > ill health > a disease > diseases of tissue > [noun] > cancer > substance producing

carcinogen1853

co-carcinogen1938

procarcinogen1963

1938 M. 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’.

1962 Lancet 13 Jan. 85/2 Tobacco tar contains in abundance a phenolic fraction which acts as a powerful co-carcinogen agent.

1968 New 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.

Derivatives

ˌco-carcinoˈgenic adj.

ΘΚΠ

the world > health and disease > ill health > a disease > diseases of tissue > [adjective] > cancer > producing

cancerogenic1907

carcinogenic1916

co-carcinogenic1941

procarcinogenic1942

1941 Cancer Res. 1 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.

1956 Ann. Rep. Brit. Empire Cancer Campaign 1955 239 This would suggest therefore that the tar solution has a weak co-carcinogenic action.

This entry has not yet been fully updated (first published 1972; most recently modified version published online September 2018).

单词	co-carcinogen
释义	co-carcinogenn. /kəʊˈkɑːsɪnədʒən/ Etymology: < co- prefix 5 + carcinogen n. A substance that increases the carcinogenic effect of some other substance but which is not itself carcinogenic. ΘΚΠ the world > health and disease > ill health > a disease > diseases of tissue > [noun] > cancer > substance producing carcinogen1853 co-carcinogen1938 procarcinogen1963 1938 M. 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’. 1962 Lancet 13 Jan. 85/2 Tobacco tar contains in abundance a phenolic fraction which acts as a powerful co-carcinogen agent. 1968 New 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. Derivatives ˌco-carcinoˈgenic adj. ΘΚΠ the world > health and disease > ill health > a disease > diseases of tissue > [adjective] > cancer > producing cancerogenic1907 carcinogenic1916 co-carcinogenic1941 procarcinogenic1942 1941 Cancer Res. 1 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. 1956 Ann. Rep. Brit. Empire Cancer Campaign 1955 239 This would suggest therefore that the tar solution has a weak co-carcinogenic action. This entry has not yet been fully updated (first published 1972; most recently modified version published online September 2018). < n.1938
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