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Int. J. Mol. Sci. 2014, 15(10), 17852-17885; doi:10.3390/ijms151017852

Intersection of AHR and Wnt Signaling in Development, Health, and Disease

School of Pharmacy and Molecular and Environmental Toxicology Center University of Wisconsin, Madison, WI 53705, USA
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Received: 15 August 2014 / Revised: 4 September 2014 / Accepted: 18 September 2014 / Published: 3 October 2014
(This article belongs to the Special Issue Mechanisms of Toxicity of Dioxins and Related Compounds)
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Abstract

The AHR (aryl hydrocarbon receptor) and Wnt (wingless-related MMTV integration site) signaling pathways have been conserved throughout evolution. Appropriately regulated signaling through each pathway is necessary for normal development and health, while dysregulation can lead to developmental defects and disease. Though both pathways have been vigorously studied, there is relatively little research exploring the possibility of crosstalk between these pathways. In this review, we provide a brief background on (1) the roles of both AHR and Wnt signaling in development and disease, and (2) the molecular mechanisms that characterize activation of each pathway. We also discuss the need for careful and complete experimental evaluation of each pathway and describe existing research that explores the intersection of AHR and Wnt signaling. Lastly, to illustrate in detail the intersection of AHR and Wnt signaling, we summarize our recent findings which show that 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD)-induced disruption of Wnt signaling impairs fetal prostate development. View Full-Text
Keywords: development; disease; toxicity; AHR (aryl hydrocarbon receptor); TCDD (2,3,7,8-tetrachlorodibenzo-p-dioxin); Wnt (wingless-related MMTV integration site); β-catenin (CTNNB1); prostate development; disease; toxicity; AHR (aryl hydrocarbon receptor); TCDD (2,3,7,8-tetrachlorodibenzo-p-dioxin); Wnt (wingless-related MMTV integration site); β-catenin (CTNNB1); prostate
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Schneider, A.J.; Branam, A.M.; Peterson, R.E. Intersection of AHR and Wnt Signaling in Development, Health, and Disease. Int. J. Mol. Sci. 2014, 15, 17852-17885.

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