Given that alternatives such as the Canadian Intense regime are subject to the same fundamental limitations as the ISO regime, key questions need to be addressed before any smoking regime should be used to set regulatory limits on smoke emissions. In the meantime, regulators should remove quantitative emission values from cigarette packages and more work should be done on alternative machine smoking methods.
Mouse skin contains aryl hydrocarbon hydroxylase which is highly inducible. The enzyme system is inhibited when 7,8-benzoflavone is added to homogenates of skin epidermis. 7,8-Benzoflavone also inhibits mouse skin tumorigenesis caused by repeated treatment with 9,10-dimethylbenzanthracene or by a single treatment with this chemical followed by weekly treatment with croton oil. These findings suggest that this enzyme system may be responsible for the activation of 9,10-dimethylbenzanthracene to its carcinogenic form.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.