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Li Y, Yu X, Shi J, Zhao J, Li L. The role of aryl hydrocarbon receptors in nutrient metabolism and immune regulation at the maternal-fetal interface. Placenta 2024; 154:9-17. [PMID: 38830294 DOI: 10.1016/j.placenta.2024.05.134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 04/29/2024] [Accepted: 05/22/2024] [Indexed: 06/05/2024]
Abstract
The maternal-fetal interface is composed of the placenta, which is affiliated with the fetus, and the maternal decidua. During pregnancy, the placenta is mainly responsible for nutrient transport and immune tolerance maintenance, which plays a key role in fetal growth and development and pregnancy maintenance. The aryl hydrocarbon receptor (AhR) is a ligand-activated transcription factor that exists in various cell types at the maternal-fetal interface and is involved in multiple cellular processes. Recent studies have highlighted the role of AhR in regulating various physiological processes, including glucose and lipid metabolism, as well as tryptophan metabolism and immune responses, within non-pregnant tissues. This review shifts focus towards understanding how AhR modulation impacts metabolism and immune regulation at the maternal-fetal interface. This may implicate the development of pregnancy-related complications and the potential target of the AhR pathway for therapeutic strategies against poor pregnancy outcomes.
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Affiliation(s)
- Yuchen Li
- Department of Obstetrics and Gynecology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China; The Laboratory of Medical Science and Technology Innovation Center (Institute of Translational Medicine), Shandong First Medical University (Shandong Academy of Medical Sciences) of China, Jinan, Shandong, 250021, China
| | - Xiaojun Yu
- School of Public Health Kunming Medical University, Kunming, 650500, China
| | - Jing Shi
- Department of Pharmacy, Peking University Third Hospital, Beijing, 100191, China
| | - Jie Zhao
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, 100083, China; National Clinical Research Center for Obstetrics and Gynecology (Peking University Third Hospital), Beijing, 100083, China; Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, 100083, China; Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology (Peking University Third Hospital), Beijing, 100083, China.
| | - Lei Li
- Department of Obstetrics and Gynecology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China.
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Hu C, Liu YX, Zhang SP, Wang YQ, Gao P, Li YT, Yang XQ. Transcription Factor AhR Regulates Glutathione S-Transferases Conferring Resistance to lambda-Cyhalothrin in Cydia pomonella. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:5230-5239. [PMID: 36943249 DOI: 10.1021/acs.jafc.3c00002] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Aryl hydrocarbon receptor (AhR) enhances insect resistance to insecticides by regulating the detoxification network. Our previous studies have confirmed that overexpressions of cytochrome P450 monooxygenases (P450s) and glutathione S-transferases (GSTs) are involved in lambda-cyhalothrin resistance in Cydia pomonella. Here, we report that CpAhR regulates the expression of GST and P450 genes, thus conferring resistance. Expression patterns indicated that the expression of CpAhR was highly induced by lambda-cyhalothrin exposure and upregulated in a lambda-cyhalothrin-resistant population. RNA interference (RNAi) of CpAhR decreases the expression of key resistance-related genes (CpGSTe3, CpCYP9A121, and CpCYP9A122) and the activity of the GST enzyme, reducing the tolerance to lambda-cyhalothrin. Furthermore, β-naphthoflavone, a novel agonist of AhR, was first proven to be effective in increasing CpAhR expression and larval tolerance to lambda-cyhalothrin. These results demonstrate that CpAhR regulates the expression of key detoxifying genes and GST activity, resulting in the development of resistance to lambda-cyhalothrin in C. pomonella.
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Affiliation(s)
- Chao Hu
- College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, Liaoning, China
- Key Laboratory of Economical and Applied Entomology of Liaoning Province, Shenyang 110866, Liaoning, China
| | - Yu-Xi Liu
- College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, Liaoning, China
- Key Laboratory of Economical and Applied Entomology of Liaoning Province, Shenyang 110866, Liaoning, China
| | - Shi-Pang Zhang
- College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, Liaoning, China
- Key Laboratory of Economical and Applied Entomology of Liaoning Province, Shenyang 110866, Liaoning, China
| | - Ya-Qi Wang
- College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, Liaoning, China
- Key Laboratory of Economical and Applied Entomology of Liaoning Province, Shenyang 110866, Liaoning, China
| | - Ping Gao
- College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, Liaoning, China
- Key Laboratory of Economical and Applied Entomology of Liaoning Province, Shenyang 110866, Liaoning, China
| | - Yu-Ting Li
- College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, Liaoning, China
- Key Laboratory of Economical and Applied Entomology of Liaoning Province, Shenyang 110866, Liaoning, China
| | - Xue-Qing Yang
- College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, Liaoning, China
- Key Laboratory of Economical and Applied Entomology of Liaoning Province, Shenyang 110866, Liaoning, China
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Holme JA, Valen H, Brinchmann BC, Vist GE, Grimsrud TK, Becher R, Holme AM, Øvrevik J, Alexander J. Polycyclic aromatic hydrocarbons (PAHs) may explain the paradoxical effects of cigarette use on preeclampsia (PE). Toxicology 2022; 473:153206. [PMID: 35550401 DOI: 10.1016/j.tox.2022.153206] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 04/29/2022] [Accepted: 05/05/2022] [Indexed: 11/21/2022]
Abstract
Tobacco smoking and use of snus (smokeless tobacco) are associated with adverse effects on pregnancy and neonatal outcomes. Nicotine is considered a key toxicant involved in effects caused by both smoking and snus, while pyrolysis products including polycyclic aromatic hydrocarbons (PAHs) in cigarette smoke represents the constituents most unequally divided between these two groups of tobacco products. The aim of this review was: i) to compare the impact, in terms of relative effect estimates, of cigarette smoking and use of Swedish snus on pregnancy outcomes using similar non-tobacco user controls, and ii) to examine whether exposure to PAHs from smoking could explain possible differences in impact on pregnancy outcomes. We systematically searched MEDLINE, Embase, PsycInfo, Web of Science and the Cochrane Database of Systematic Reviews up to October 2021 and identified studies reporting risks for adverse pregnancy and neonatal outcomes associated with snus use and with smoking relative to pregnant women with no use of tobacco. Both snus use and smoking were associated with increased risk of stillbirth, preterm birth, and oral cleft malformation, with comparable point estimates. These effects were likely due to comparable nicotine exposure. We also found striking differences. While both smoking and snus increased the risk of having small for gestational age (SGA) infants, risk from maternal smoking was markedly higher as was the reduction in birthweight. In contrast, the risk of preeclampsia (PE) was markedly lower in smokers than in controls, while snus use was associated with a slightly increased risk. We suggest that PAHs acting via AhR may explain the stronger effects of tobacco smoking on SGA and also to the apparent protective effect of cigarette smoking on PE. Possible mechanisms involved include: i) disrupted endocrine control of fetal development as well as placental development and function, and ii) stress adaption and immune suppression in placenta and mother.
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Affiliation(s)
- Jørn A Holme
- Division of Climate and Health, Norwegian Institute of Public Health, Oslo, Norway.
| | - Håkon Valen
- Division of Climate and Health, Norwegian Institute of Public Health, Oslo, Norway.
| | - Bendik C Brinchmann
- Division of Climate and Health, Norwegian Institute of Public Health, Oslo, Norway; Department of Occupational Medicine and Epidemiology, National Institute of Occupational Health, Oslo, Norway.
| | - Gunn E Vist
- Division for Health Services, Norwegian Institute of Public Health, Oslo, Norway.
| | - Tom K Grimsrud
- Department of Research, Cancer Registry of Norway, Oslo, Norway.
| | - Rune Becher
- Division of Climate and Health, Norwegian Institute of Public Health, Oslo, Norway.
| | - Ane M Holme
- Department of Obstetrics and Gynecology, Oslo University Hospital, Oslo, Norway.
| | - Johan Øvrevik
- Division of Climate and Health, Norwegian Institute of Public Health, Oslo, Norway; Department of Biosciences, University of Oslo, Oslo, Norway.
| | - Jan Alexander
- Division of Climate and Health, Norwegian Institute of Public Health, Oslo, Norway.
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