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 (kō′kär-sĭn′ə-jən, kō-kär′sĭn-ə-jĕn′)
A substance or factor that will not promote cancer by itself but can potentiate cancer when acting with carcinogenic agents.

co·car′cin·o·gen′ic (-sə-nə-jĕn′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˌkəʊkɑːˈsɪnəˌdʒɛnɪk; ˌkəʊˈkɑːsɪnəˌdʒɛnɪk)
of or relating to a cocarcinogen
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
[5-8] Many substances can act as primary pollutants, irritants and carcinogenic or cocarcinogenic compounds.
Capsaicin also has a cocarcinogenic effect on TPA-promoted skin carcinogenesis in vivo ; this is mediated through the transient receptor potential vanilloid subfamily number 1 and the tyrosine kinase epidermal growth factor receptor.
Vanillin consumed orally had no effect on ACF; however, when administered through intraperitoneal injection at higher concentration vanillin was cocarcinogenic, which could well increase ACF density and multiplicity.
The authors concluded that the study showed a cocarcinogenic effect of lifelong UMTS exposure in female mice subjected to pretreatment with ENU.
A study of the significance of cocarcinogenic action and related phenomena.
On the possible carcinogenic and cocarcinogenic action of overheated fats (review of the literature).
Lutero noted that the effects of cypermethrina photostable synthetic Type II pyrethroid pesticideon test animals include reduced fertility and reproduction rates, carcinogenic and cocarcinogenic effects through topical route and DNA damage in vital organs like the brain, liver and kidneys.
In fact, experimental evidence has suggested that a fibre-depleted diet may have cocarcinogenic potential in colorectal cancer, while a high fibre diet may have a protective, anticarcinogenic effect [38].
Indeed HSV has shown cocarcinogenic activity in combination with chemicals in vivo [162].
However, there is strong experimental, but as yet unsettled, epidemiologic and molecular evidence to suggest a possible carcinogenic or cocarcinogenic role of viruses such as SV40, a monkey polyoma virus, in the induction of MM.
Interference by arsenite of the activation of p53 via poly-ADP-ribosylation may be involved in its comutagenic and cocarcinogenic effects (Yu et al.