Application of ToxCast/Tox21 data for toxicity mechanism-based evaluation and prioritization of environmental chemicals: Perspective and limitations

J Jeong, D Kim, J Choi - Toxicology in Vitro, 2022 - Elsevier
In response to the need to minimize the use of experimental animals, new approach
methodologies (NAMs) using advanced technology have emerged in the 21st century …

Cross-species applicability of an adverse outcome pathway network for thyroid hormone system disruption

AC Haigis, L Vergauwen, CA LaLone… - Toxicological …, 2023 - academic.oup.com
Thyroid hormone system disrupting compounds are considered potential threats for human
and environmental health. Multiple adverse outcome pathways (AOPs) for thyroid hormone …

In vitro screening of per-and polyfluorinated substances (PFAS) for interference with seven thyroid hormone system targets across nine assays

SJ Degitz, JH Olker, JS Denny, PP Degoey, PC Hartig… - Toxicology in Vitro, 2024 - Elsevier
Abstract The US Environmental Protection Agency is evaluating the ecological and
toxicological effects of per-and polyfluorinated chemicals. A number of perfluorinated …

Screening the ToxCast Chemical Libraries for Binding to Transthyretin

SA Eytcheson, AD Zosel, JH Olker… - Chemical Research …, 2024 - ACS Publications
Transthyretin (TTR) is one of the serum binding proteins responsible for transport of thyroid
hormones (TH) to target tissue and for maintaining the balance of available TH. Chemical …

A combination of silymarin and garlic extract enhances thyroid hormone activation and body metabolism in orally intoxicated male rats with atrazine: Impact on hepatic …

HH Atteia - Pesticide Biochemistry and Physiology, 2024 - Elsevier
Atrazine is a widely applied herbicide to improve crop yield and maintain general health. It
has been reported to impair thyroid function and architecture in experimental animals …

Characterization of the mechanistic linkages between iodothyronine deiodinase inhibition and impaired thyroid-mediated growth and development in Xenopus laevis …

JT Haselman, JH Olker, PA Kosian… - Toxicological …, 2022 - academic.oup.com
Iodothyronine deiodinases (DIO) are key enzymes that influence tissue-specific thyroid
hormone levels during thyroid-mediated amphibian metamorphosis. Within the larger …

In Vitro Screening for ToxCast Chemicals Binding to Thyroxine-Binding Globulin

SA Eytcheson, AD Zosel, JH Olker… - Chemical Research …, 2024 - ACS Publications
Thyroid hormone (TH) carrier proteins play an important role in distributing TH to target
tissue as well as maintaining the balance of free versus bound TH in the blood. Interference …

Advances in computational methods along the exposure to toxicological response paradigm

H El-Masri, KP Friedman, K Isaacs… - Toxicology and applied …, 2022 - Elsevier
Human health risk assessment is a function of chemical toxicity, bioavailability to reach
target biological tissues, and potential environmental exposure. These factors are …

Cross-species comparison of chemical inhibition of human and Xenopus iodotyrosine deiodinase

JH Olker, JJ Korte, JT Haselman, MW Hornung… - Aquatic Toxicology, 2022 - Elsevier
The transition to include in vitro-based data in chemical hazard assessment has resulted in
the development and implementation of screening assays to cover a diversity of biological …

A biologically based computational model for the hypothalamic-pituitary-thyroid (HPT) axis in Xenopus laevis larvae

JT Haselman, JW Nichols, KZ Mattingly… - Mathematical …, 2023 - Elsevier
A biologically based computational model was developed to describe the hypothalamic-
pituitary-thyroid (HPT) axis in developing Xenopus laevis larvae. The goal of this effort was …