Evaluation of the threshold of toxicological concern (TTC)–challenges and approaches

I Dewhurst, AG Renwick - Regulatory Toxicology and Pharmacology, 2013 - Elsevier
… available rodent carcinogenicity database. The database on non-cancer endpoints was …
The existing cancer TTC database needs to be assessed, using a standardised method for …

Cancer hazard evaluations for contemporary needs: highlights from new national toxicology program evaluations and methodological advancements

RM Lunn, SS Mehta, GD Jahnke… - … the National Cancer …, 2022 - academic.oup.com
challenges. These approaches include focusing on real-world exposures and advancing our
methods to address challenges in cancer hazard assessmentscarcinogenicity assessment

Challenges in risk assessment of multiple mycotoxins in food

R Assunção, MJ Silva, P Alvito - World Mycotoxin …, 2016 - wageningenacademic.com
… that contributes to the carcinogenic process. … to the carcinogenic process. Therefore, besides
genotoxicity testing, mechanistic studies are also needed to clarify the MoA of carcinogenic

Molecular epidemiology: insights into cancer susceptibility, risk assessment, and prevention

FP Perera - JNCI: Journal of the National Cancer Institute, 1996 - academic.oup.com
… While NAT2 is involved in detoxification of aromatic amine bladder carcinogens, it apparently
plays an opposite role in colon cancer through the metabolic activation of the carcinogenic

Increased cell proliferation as a key event in chemical carcinogenesis: application in an integrated approach for the testing and assessment of non-genotoxic …

C Strupp, M Corvaro, SM Cohen, JC Corton… - International journal of …, 2023 - mdpi.com
… rodent cancer bioassays (ie, the “Rethinking Carcinogenicity … Several challenges are yet to
be met when assessing the … opportunity to add to carcinogenicity assessment both in a role as …

A data-based assessment of alternative strategies for identification of potential human cancer hazards

AR Boobis, SM Cohen, NG Doerrer… - Toxicologic …, 2009 - journals.sagepub.com
… These key events, in turn, will enhance analysis for defining MOAs to better assess human
carcinogenic potential/risk. Specifically, these endpoints include increases in cell proliferation …

Regulatory forum opinion piece: carcinogen risk assessment: the move from screens to science

N Downes, J Foster - Toxicologic Pathology, 2015 - journals.sagepub.com
… , the paradigm for carcinogenicity assessment has depended … model to support cancer risk
assessment of pharmaceuticals. … Our fear of cancer has resulted in a conservatism that has …

Current challenges in cancer treatment

J Zugazagoitia, C Guedes, S Ponce, I Ferrer… - Clinical …, 2016 - Elsevier
… This situation might be frequent in carcinogen-induced tumors carrying high mutational …
main challenge in the field of cancer immunotherapy currently. Expression of PD-L1 assessed by …

Addressing Positive Findings in Carcinogenicity Studies

T Bourcier, D Roy - … and Carcinogenicity Testing of Pharmaceuticals, 2015 - Springer
Cancer risk assessment is a major part of establishing the … Because the nonclinical
carcinogenicity assessment program is … results can be challenging. The interim incidence profile, …

Evaluating the mechanistic evidence and key data gaps in assessing the potential carcinogenicity of carbon nanotubes and nanofibers in humans

ED Kuempel, MC Jaurand, P Møller… - Critical reviews in …, 2017 - Taylor & Francis
… The focus of this review is on the cancer risk to workers exposed to airborne CNT or CNF
during the production and use of these materials. The findings of this review, in general, affirm …