Bisphenol A replacement chemicals, BPF and BPS, induce protumorigenic changes in human mammary gland organoid morphology and proteome

Author:

Winkler Juliane12ORCID,Liu Pengyuan34,Phong Kiet5,Hinrichs Johanna H.16,Ataii Nassim1,Williams Katherine3,Hadler-Olsen Elin17ORCID,Samson Susan12,Gartner Zev J.589,Fisher Susan13ORCID,Werb Zena1

Affiliation:

1. Department of Anatomy, University of California, San Francisco, CA 94143

2. Department of Cell and Tissue Biology, University of California, San Francisco, CA 94143

3. Department of Obstetrics, Gynecology and Reproductive Sciences, University of California, San Francisco, CA 94143

4. Department of Chemistry, University of Massachusetts, Lowell, MA 01854

5. Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94158

6. Institute of Internal Medicine D, Medical Cell Biology, University Hospital Münster, 08154 Münster, Germany

7. Department of Medical Biology, Faculty of Health Sciences, UiT The Arctic University of Norway, 9037 Tromsø, Norway

8. The Center for Cellular Construction, University of California, San Francisco, CA 94158

9. Chan Zuckerberg Biohub Investigator, University of California, San Francisco, CA 94158

Abstract

Significance Bisphenol A (BPA), found in many plastic products, has weak estrogenic effects that can be harmful to human health. Thus, structurally related replacements—bisphenol S (BPS) and bisphenol F (BPF)—are coming into wider use with very few data about their biological activities. Here, we compared the effects of BPA, BPS, and BPF on human mammary organoids established from normal breast tissue. BPS disrupted organoid architecture and induced supernumerary branching. At a proteomic level, the bisphenols altered the abundance of common targets and those that were unique to each compound. The latter included proteins linked to tumor-promoting processes. These data highlighted the importance of testing the human health effects of replacements that are structurally related to chemicals of concern.

Funder

California Breast Cancer Research Program

European Molecular Biology Organization

Deutscher Akademischer Austauschdienst

Publisher

Proceedings of the National Academy of Sciences

Subject

Multidisciplinary

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