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Cytosolic sulfotransferases in endocrine disruption
1Department of Pharmaceutical Sciences & Experimental Therapeutics, College of Pharmacy, The University of Iowa, Iowa City, IA 52242, U.S.A.
Essays in Biochemistry
|May 3, 2024
Summary
Mammalian cytosolic sulfotransferases (SULTs) play a key role in how endocrine-disrupting chemicals (EDCs) affect hormone regulation and metabolism. Understanding SULTs and sulfation is crucial for assessing EDC risks.
Area of Science:
- Biochemistry
- Endocrinology
- Environmental Health
Background:
- Mammalian cytosolic sulfotransferases (SULTs) are crucial enzymes involved in the sulfation of hormones, drugs, and xenobiotics.
- Endocrine-disrupting chemicals (EDCs) can interfere with SULT activity and hormone regulation.
- EDCs may also influence SULT gene expression and their sulfate esters can act as hormone receptor ligands.
Purpose of the Study:
- To review the multifaceted roles of SULTs and sulfation in the biological effects of EDCs.
- To highlight the complex interactions between EDCs, SULTs, and endocrine hormone pathways.
- To provide an updated perspective on the significance of sulfation in EDC-mediated endocrine disruption.
Main Methods:
- Literature review of studies on SULTs, sulfation, and EDCs.
- Analysis of mechanisms by which EDCs interact with SULTs (substrates, inhibitors).
- Examination of EDC effects on SULT gene expression and the role of EDC-sulfates.
Main Results:
- EDCs can act as substrates or inhibitors of SULTs, altering hormone metabolism and regulation.
- EDCs and their metabolites can modulate SULT expression via nuclear receptors.
- EDC-sulfates may serve as ligands for hormone receptors and influence EDC transport and tissue distribution.
Conclusions:
- SULTs and sulfation are critical determinants of EDC activity and endocrine disruption.
- The sulfation of EDCs can lead to both detoxification and prolonged or altered endocrine effects.
- Further research into SULT-mediated EDC pathways is essential for understanding and mitigating endocrine disruption.
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