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Lesbon JCC, Garnica TK, Xavier PLP, Rochetti AL, Reis RM, Müller S, Fukumasu H. A Screening of Epigenetic Therapeutic Targets for Non-Small Cell Lung Cancer Reveals PADI4 and KDM6B as Promising Candidates. Int J Mol Sci 2022; 23:ijms231911911. [PMID: 36233212 PMCID: PMC9570250 DOI: 10.3390/ijms231911911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/28/2022] [Accepted: 10/04/2022] [Indexed: 11/23/2022] Open
Abstract
Despite advances in diagnostic and therapeutic approaches for lung cancer, new therapies targeting metastasis by the specific regulation of cancer genes are needed. In this study, we screened a small library of epigenetic inhibitors in non-small-cell lung cancer (NSCLC) cell lines and evaluated 38 epigenetic targets for their potential role in metastatic NSCLC. The potential candidates were ranked by a streamlined approach using in silico and in vitro experiments based on publicly available databases and evaluated by real-time qPCR target gene expression, cell viability and invasion assays, and transcriptomic analysis. The survival rate of patients with lung adenocarcinoma is inversely correlated with the gene expression of eight epigenetic targets, and a systematic review of the literature confirmed that four of them have already been identified as targets for the treatment of NSCLC. Using nontoxic doses of the remaining inhibitors, KDM6B and PADI4 were identified as potential targets affecting the invasion and migration of metastatic lung cancer cell lines. Transcriptomic analysis of KDM6B and PADI4 treated cells showed altered expression of important genes related to the metastatic process. In conclusion, we showed that KDM6B and PADI4 are promising targets for inhibiting the metastasis of lung adenocarcinoma cancer cells.
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Affiliation(s)
- Jéssika Cristina Chagas Lesbon
- Laboratory of Comparative and Translational Oncology, Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Duque de Caxias, 225-Jardim Elite, Pirassununga 13635-900, SP, Brazil
| | - Taismara Kustro Garnica
- Laboratory of Comparative and Translational Oncology, Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Duque de Caxias, 225-Jardim Elite, Pirassununga 13635-900, SP, Brazil
| | - Pedro Luiz Porfírio Xavier
- Laboratory of Comparative and Translational Oncology, Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Duque de Caxias, 225-Jardim Elite, Pirassununga 13635-900, SP, Brazil
| | - Arina Lázaro Rochetti
- Laboratory of Comparative and Translational Oncology, Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Duque de Caxias, 225-Jardim Elite, Pirassununga 13635-900, SP, Brazil
| | - Rui Manuel Reis
- Molecular Oncology Research Center, Hospital de Amor, Antenor Duarte Viléla, 1331-Dr. Paulo Prata, Barretos 14784-400, SP, Brazil
- Life and Health Sciences Research Institute (ICVS), School of Health Sciences, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4805-017 Guimarães, Portugal
| | - Susanne Müller
- Structural Genomics Consortium, Buchmann Institute for Molecular Life Sciences, Johann Wolfgang Goethe University, Max-von-Laue-Str 15-60438, 60438 Frankfurt am Main, Germany
| | - Heidge Fukumasu
- Laboratory of Comparative and Translational Oncology, Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Duque de Caxias, 225-Jardim Elite, Pirassununga 13635-900, SP, Brazil
- Correspondence:
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Li Z, Kwon SM, Li D, Li L, Peng X, Zhang J, Sueyoshi T, Raufman JP, Negishi M, Wang XW, Wang H. Human constitutive androstane receptor represses liver cancer development and hepatoma cell proliferation by inhibiting erythropoietin signaling. J Biol Chem 2022; 298:101885. [PMID: 35367211 PMCID: PMC9052153 DOI: 10.1016/j.jbc.2022.101885] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 03/22/2022] [Accepted: 03/24/2022] [Indexed: 12/13/2022] Open
Abstract
The constitutive androstane receptor (CAR) is a nuclear receptor that plays a crucial role in regulating xenobiotic metabolism and detoxification, energy homeostasis, and cell proliferation by modulating the transcription of numerous target genes. CAR activation has been established as the mode of action by which phenobarbital-like nongenotoxic carcinogens promote liver tumor formation in rodents. This paradigm, however, appears to be unrelated to the function of human CAR (hCAR) in hepatocellular carcinoma (HCC), which remains poorly understood. Here, we show that hCAR expression is significantly lower in HCC than that in adjacent nontumor tissues and, importantly, reduced hCAR expression is associated with a worse HCC prognosis. We also show overexpression of hCAR in human hepatoma cells (HepG2 and Hep3B) profoundly suppressed cell proliferation, cell cycle progression, soft-agar colony formation, and the growth of xenografts in nude mice. RNA-Seq analysis revealed that the expression of erythropoietin (EPO), a pleiotropic growth factor, was markedly repressed by hCAR in hepatoma cells. Addition of recombinant EPO in HepG2 cells partially rescued hCAR-suppressed cell viability. Mechanistically, we showed that overexpressing hCAR repressed mitogenic EPO-EPO receptor signaling through dephosphorylation of signal transducer and activator of transcription 3, AKT, and extracellular signal-regulated kinase 1/2. Furthermore, we found that hCAR downregulates EPO expression by repressing the expression and activity of hepatocyte nuclear factor 4 alpha, a key transcription factor regulating EPO expression. Collectively, our results suggest that hCAR plays a tumor suppressive role in HCC development, which differs from that of rodent CAR and offers insight into the hCAR-hepatocyte nuclear factor 4 alpha-EPO axis in human liver tumorigenesis.
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Affiliation(s)
- Zhihui Li
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, Maryland, USA
| | - So Mee Kwon
- Laboratory of Human Carcinogenesis, and Liver Cancer Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Daochuan Li
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, Maryland, USA
| | - Linhao Li
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, Maryland, USA
| | - Xiwei Peng
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, Maryland, USA
| | - Junran Zhang
- Department of Radiation Oncology, The Ohio State University James Comprehensive Cancer Center and College of Medicine, Ohio, USA
| | - Tatsuya Sueyoshi
- Pharmacogenetics Section, Reproductive and Developmental Biology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, USA
| | - Jean-Pierre Raufman
- Division of Gastroenterology and Hepatology, University of Maryland School of Medicine, Baltimore, Maryland, USA; Office of Research and Development, Biomedical Laboratory Research and Development, VA Maryland Healthcare System, Baltimore, Maryland, USA
| | - Masahiko Negishi
- Pharmacogenetics Section, Reproductive and Developmental Biology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, USA
| | - Xin Wei Wang
- Laboratory of Human Carcinogenesis, and Liver Cancer Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Hongbing Wang
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, Maryland, USA.
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Bae SDW, Nguyen R, Qiao L, George J. Role of the constitutive androstane receptor (CAR) in human liver cancer. Biochim Biophys Acta Rev Cancer 2021; 1875:188516. [PMID: 33529650 DOI: 10.1016/j.bbcan.2021.188516] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 01/22/2021] [Accepted: 01/22/2021] [Indexed: 01/01/2023]
Abstract
BACKGROUND The constitutive androstane receptor (CAR) is a member of the nuclear receptor superfamily (subfamily 1, group I, member 3, also known as NR1I3) that is almost exclusively expressed in the liver. CAR interacts with key signalling pathways such as those involved in drug, energy and bilirubin metabolism. In mouse models, activation of CAR leads to tumorigenesis by inducing pro-proliferative and anti-apoptotic signalling. However, many previous reports have shown species differences between CAR activity in animal models and humans. Recent studies have demonstrated that the mode of action of CAR in rodent liver tumorigenesis is not applicable to humans. Despite this, many studies still continue to study the role of CAR in animal models, hence, there is a need to further explore the role of CAR in human diseases particularly cancers. While there is limited evidence for a role of CAR in human cancers, some studies have proposed a tumour-suppressive role of CAR in liver cancer. In addition, recent studies exploring CAR in human livers demonstrated a hepato-protective role for CAR in and more specifically, its ability to drive differentiation and liver regeneration. This review will discuss the role of CAR in liver cancer, with a focus on species differences and its emerging, tumour-suppressive role in liver cancer and its role in the regulation of liver cancer stem cells.
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Affiliation(s)
- Sarah Da Won Bae
- Storr Liver Centre, Westmead Institute for Medical Research, The University of Sydney and Westmead Hospital, Westmead, NSW 2145, Australia
| | - Romario Nguyen
- Storr Liver Centre, Westmead Institute for Medical Research, The University of Sydney and Westmead Hospital, Westmead, NSW 2145, Australia
| | - Liang Qiao
- Storr Liver Centre, Westmead Institute for Medical Research, The University of Sydney and Westmead Hospital, Westmead, NSW 2145, Australia.
| | - Jacob George
- Storr Liver Centre, Westmead Institute for Medical Research, The University of Sydney and Westmead Hospital, Westmead, NSW 2145, Australia.
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Daujat-Chavanieu M, Gerbal-Chaloin S. Regulation of CAR and PXR Expression in Health and Disease. Cells 2020; 9:E2395. [PMID: 33142929 PMCID: PMC7692647 DOI: 10.3390/cells9112395] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 10/22/2020] [Accepted: 10/28/2020] [Indexed: 12/12/2022] Open
Abstract
Pregnane X receptor (PXR, NR1I2) and constitutive androstane receptor (CAR, NR1I3) are members of the nuclear receptor superfamily that mainly act as ligand-activated transcription factors. Their functions have long been associated with the regulation of drug metabolism and disposition, and it is now well established that they are implicated in physiological and pathological conditions. Considerable efforts have been made to understand the regulation of their activity by their cognate ligand; however, additional regulatory mechanisms, among which the regulation of their expression, modulate their pleiotropic effects. This review summarizes the current knowledge on CAR and PXR expression during development and adult life; tissue distribution; spatial, temporal, and metabolic regulations; as well as in pathological situations, including chronic diseases and cancers. The expression of CAR and PXR is modulated by complex regulatory mechanisms that involve the interplay of transcription factors and also post-transcriptional and epigenetic modifications. Moreover, many environmental stimuli affect CAR and PXR expression through mechanisms that have not been elucidated.
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Affiliation(s)
| | - Sabine Gerbal-Chaloin
- IRMB, University of Montpellier, INSERM, CHU Montpellier, 34295 Montpellier, France;
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Wang C, Ding S, Sun B, Shen L, Xiao L, Han Z, Huang H. Hsa-miR-4271 downregulates the expression of constitutive androstane receptor and enhances in vivo the sensitivity of non-small cell lung cancer to gefitinib. Pharmacol Res 2020; 161:105110. [PMID: 32755614 DOI: 10.1016/j.phrs.2020.105110] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 07/20/2020] [Accepted: 07/24/2020] [Indexed: 12/11/2022]
Abstract
The efficacy of molecular targeting agents is dependent on the metabolism or nuclear receptor-mediated clearance of chemotherapy resistance-related factors such as cytochrome P450 (CYP) or ATP binding cassette subfamily B member 1 (ABCB1). In this study, we revealed the roles of the microRNA-4271/CAR (constitutive androstane receptor) axis in the regulation of the resistance to molecular anticancer targeting agents in non-small cell lung cancer (NSCLC) cells including two main categories of NSCLC: lung adenocarcinoma (AC) and large cell lung cancer (LCC). The expression of miR-4271 was negatively correlated with CAR expression in NSCLC tissues. MiR-4271 targeted CAR and inhibited the activation of the CAR signaling pathway. Overexpression of CAR in NSCLC enhanced the resistance of NSCLC cells to molecular targeting agents and miR-4271-infected NSCLC cells enhanced their sensitivity to molecular targeting agents such as Gefitinib. The mechanism-data showed that overexpression of miR-4271 decelerated the mechanism or the clearance of molecular targeting agents by targeting the 3'UTR (3' un-translation region). These results suggest that miR-4271 may contribute to the development of more effective strategies for the treatment of advanced NSCLC.
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Affiliation(s)
- Chunzhan Wang
- Department of Thoracic and Cardiovascular Surgery, The Second Affiliated Hospital of Nantong University, Nantong City 226001, Jiangsu Province, PR China; Pulmonary and Crical Care Medecine Department, The 6thMedical Center of PLA General Hospital, Beijing 100048, PR China.
| | - Shengguang Ding
- Department of Thoracic and Cardiovascular Surgery, The Second Affiliated Hospital of Nantong University, Nantong City 226001, Jiangsu Province, PR China.
| | - Baisheng Sun
- Emergency Department, The Fifth Medical Center of the General Hospital of the Chinese People's Liberation Army, Beijing 100071, PR China.
| | - Liang Shen
- Department of Thoracic and Cardiovascular Surgery, The Second Affiliated Hospital of Nantong University, Nantong City 226001, Jiangsu Province, PR China.
| | - Ling Xiao
- Department of Internal Medicine, Minhai Hospital, Xiamen City 361100, Fujian Province, PR China.
| | - Zhihai Han
- Pulmonary and Crical Care Medecine Department, The 6thMedical Center of PLA General Hospital, Beijing 100048, PR China.
| | - Haitao Huang
- Department of Thoracic and Cardiovascular Surgery, The Second Affiliated Hospital of Nantong University, Nantong City 226001, Jiangsu Province, PR China.
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Yin C, Lin X, Wang Y, Liu X, Xiao Y, Liu J, Snijders AM, Wei G, Mao JH, Zhang P. FAM83D promotes epithelial-mesenchymal transition, invasion and cisplatin resistance through regulating the AKT/mTOR pathway in non-small-cell lung cancer. Cell Oncol (Dordr) 2020; 43:395-407. [PMID: 32006253 DOI: 10.1007/s13402-020-00494-9] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/16/2020] [Indexed: 12/14/2022] Open
Abstract
PURPOSE FAM83D has been proposed to act as an oncoprotein in several types of human cancer. Its role and mode of action in human non-small cell lung cancer (NSCLC) metastasis and its impact on chemotherapy are as yet, however, poorly understood. METHODS FAM83D expression was measured in NSCLC cells and normal lung epithelial cells, as well as in primary NSCLC tissues and corresponding adjacent non-cancerous tissues, using qRT-PCR, Western blotting and immunohistochemistry. FAM83D was stably overexpressed in BEAS2B cells or silenced in A549 and H1299 cells using retroviral or lentiviral vectors. The growth capacity of NSCLC cells was evaluated using MTT and colony formation assays. Epithelial-mesenchymal transition (EMT) was assessed using Western blotting and immunofluorescence. NSCLC cell invasive capacities were assessed using scratch wound healing and Boyden chamber assays. NSCLC cell viability in response to cisplatin treatment was assessed using MTT assays in vitro and a xenograft model in vivo. RESULTS We found that FAM83D expression levels were significantly elevated in NSCLC cells and tissues, and positively correlated with tumor progression and a poor prognosis. Exogenous FAM83D overexpression promoted, while FAM83D silencing inhibited NSCLC cell proliferation, EMT and invasion. FAM83D silencing also reduced cisplatin resistance. Concordantly, we found that NSCLC patients with a low FAM83D expression benefited most from chemotherapy. Mechanistically, we found that FAM83D activated the protein kinase B (AKT)/mammalian target of rapamycin (mTOR) pathway. Pharmacological treatment with either AKT or mTOR inhibitors reverted FAM83D-induced tumorigenic phenotypes. CONCLUSIONS Our results suggest a role of FAM83D in NSCLC development. In addition, our results indicate that NSCLC patients exhibiting FAM83D overexpression are likely to benefit from AKT and/or mTOR inhibitor treatment.
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Affiliation(s)
- Chunli Yin
- Key Laboratory Experimental, Teratology of the Ministry of Education, Department of Biochemistry and Molecular Biology, Shandong University School of Basic Medical Sciences, 44 Wenhua Xi Road, Jinan, 250012, Shandong, China.,Shandong Medical College, Linyi, China
| | - Xiaoyan Lin
- Department of Pathology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, 250021, Shandong, China
| | - Yige Wang
- Key Laboratory Experimental, Teratology of the Ministry of Education, Department of Biochemistry and Molecular Biology, Shandong University School of Basic Medical Sciences, 44 Wenhua Xi Road, Jinan, 250012, Shandong, China
| | - Xianqiang Liu
- Department of Breast and thyroid Surgery, Jinan Central Hospital Affiliated to Shandong University, Jinan, 250013, Shandong, China
| | - Yi Xiao
- Key Laboratory Experimental, Teratology of the Ministry of Education, Department of Biochemistry and Molecular Biology, Shandong University School of Basic Medical Sciences, 44 Wenhua Xi Road, Jinan, 250012, Shandong, China
| | - Jingchao Liu
- Department of Urology, Qilu Hospital of Shandong University, Jinan, 250012, Shandong, China
| | - Antoine M Snijders
- Biological Systems and Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
| | - Guangwei Wei
- Key Laboratory Experimental, Teratology of the Ministry of Education, Department of Biochemistry and Molecular Biology, Shandong University School of Basic Medical Sciences, 44 Wenhua Xi Road, Jinan, 250012, Shandong, China
| | - Jian-Hua Mao
- Biological Systems and Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA.
| | - Pengju Zhang
- Key Laboratory Experimental, Teratology of the Ministry of Education, Department of Biochemistry and Molecular Biology, Shandong University School of Basic Medical Sciences, 44 Wenhua Xi Road, Jinan, 250012, Shandong, China.
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Nuclear Receptor Metabolism of Bile Acids and Xenobiotics: A Coordinated Detoxification System with Impact on Health and Diseases. Int J Mol Sci 2018; 19:ijms19113630. [PMID: 30453651 PMCID: PMC6274770 DOI: 10.3390/ijms19113630] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 11/14/2018] [Accepted: 11/14/2018] [Indexed: 02/06/2023] Open
Abstract
Structural and functional studies have provided numerous insights over the past years on how members of the nuclear hormone receptor superfamily tightly regulate the expression of drug-metabolizing enzymes and transporters. Besides the role of the farnesoid X receptor (FXR) in the transcriptional control of bile acid transport and metabolism, this review provides an overview on how this metabolic sensor prevents the accumulation of toxic byproducts derived from endogenous metabolites, as well as of exogenous chemicals, in coordination with the pregnane X receptor (PXR) and the constitutive androstane receptor (CAR). Decrypting this network should provide cues to better understand how these metabolic nuclear receptors participate in physiologic and pathologic processes with potential validation as therapeutic targets in human disabilities and cancers.
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Lolodi O, Wang YM, Wright WC, Chen T. Differential Regulation of CYP3A4 and CYP3A5 and its Implication in Drug Discovery. Curr Drug Metab 2017; 18:1095-1105. [PMID: 28558634 PMCID: PMC5709240 DOI: 10.2174/1389200218666170531112038] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Revised: 03/29/2017] [Accepted: 05/08/2017] [Indexed: 12/13/2022]
Abstract
BACKGROUND Cancer cells use several mechanisms to resist the cytotoxic effects of drugs, resulting in tumor progression and invasion. One such mechanism capitalizes on the body's natural defense against xenobiotics by increasing the rate of xenobiotic efflux and metabolic inactivation. Xenobiotic metabolism typically involves conversion of parent molecules to more soluble and easily excreted derivatives in reactions catalyzed by Phase I and Phase II drug metabolizing enzymes. METHODS We performed a structured search of peer-reviewed literature on P450 (CYP) 3A, with a focus on CYP3A4 and CYP3A5. RESULTS Recent reports indicate that components of the xenobiotic response system are upregulated in some diseases, including many cancers. Such components include the pregnane X receptor (PXR), CYP3A4 and CYP3A5 enzymes. The CYP3A enzymes are a subset of the numerous enzymes that are transcriptionally activated following the interaction of PXR and many ligands. CONCLUSION Intense research is ongoing to understand the functional ramifications of aberrant expression of these components in diseased states with the goal of designing novel drugs that can selectively target them.
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Affiliation(s)
- Ogheneochukome Lolodi
- Department of Chemical Biology and Therapeutics, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - Yue-Ming Wang
- Department of Chemical Biology and Therapeutics, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - William C. Wright
- Department of Chemical Biology and Therapeutics, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
- Integrated Biomedical Sciences Program, University of Tennessee Health Science Center, Memphis, Tennessee, USA
| | - Taosheng Chen
- Department of Chemical Biology and Therapeutics, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
- Integrated Biomedical Sciences Program, University of Tennessee Health Science Center, Memphis, Tennessee, USA
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Chai SC, Cherian MT, Wang YM, Chen T. Small-molecule modulators of PXR and CAR. BIOCHIMICA ET BIOPHYSICA ACTA 2016; 1859:1141-1154. [PMID: 26921498 PMCID: PMC4975625 DOI: 10.1016/j.bbagrm.2016.02.013] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Revised: 02/06/2016] [Accepted: 02/06/2016] [Indexed: 12/27/2022]
Abstract
Two nuclear receptors, the pregnane X receptor (PXR) and the constitutive androstane receptor (CAR), participate in the xenobiotic detoxification system by regulating the expression of drug-metabolizing enzymes and transporters in order to degrade and excrete foreign chemicals or endogenous metabolites. This review aims to expand the perceived relevance of PXR and CAR beyond their established role as master xenosensors to disease-oriented areas, emphasizing their modulation by small molecules. Structural studies of these receptors have provided much-needed insight into the nature of their binding promiscuity and the important elements that lead to ligand binding. Reports of species- and isoform-selective activation highlight the need for further scrutiny when extrapolating from animal data to humans, as animal models are at the forefront of early drug discovery. This article is part of a Special Issue entitled: Xenobiotic nuclear receptors: New Tricks for An Old Dog, edited by Dr. Wen Xie.
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Affiliation(s)
- Sergio C Chai
- Department of Chemical Biology and Therapeutics, 262 Danny Thomas Place, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Milu T Cherian
- Department of Chemical Biology and Therapeutics, 262 Danny Thomas Place, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Yue-Ming Wang
- Department of Chemical Biology and Therapeutics, 262 Danny Thomas Place, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Taosheng Chen
- Department of Chemical Biology and Therapeutics, 262 Danny Thomas Place, St. Jude Children's Research Hospital, Memphis, TN 38105, USA.
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De Mattia E, Cecchin E, Roncato R, Toffoli G. Pregnane X receptor, constitutive androstane receptor and hepatocyte nuclear factors as emerging players in cancer precision medicine. Pharmacogenomics 2016; 17:1547-71. [DOI: 10.2217/pgs-2016-0095] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Great research effort has been focused on elucidating the contribution of host genetic variability on pharmacological outcomes in cancer. Nuclear receptors have emerged as mediators between environmental stimuli and drug pharmacokinetics and pharmacodynamics. The pregnane X receptor, constitutive androstane receptor and hepatocyte nuclear factors have been reported to regulate transcription of genes that encode drug metabolizing enzymes and transporters. Altered nuclear receptor expression has been shown to affect the metabolism and pharmacological profile of traditional chemotherapeutics and targeted agents. Accordingly, polymorphic variants in these genes have been studied as pharmacogenetic markers of outcome variability. This review summarizes the state of knowledge about the roles played by pregnane X receptor, constitutive androstane receptor and hepatocyte nuclear factor expression and genetics as predictive markers of anticancer drug toxicity and efficacy, which can improve cancer precision medicine.
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Affiliation(s)
- Elena De Mattia
- Experimental & Clinical Pharmacology, Centro di Riferimento Oncologico- National Cancer Institute, Aviano, Italy
| | - Erika Cecchin
- Experimental & Clinical Pharmacology, Centro di Riferimento Oncologico- National Cancer Institute, Aviano, Italy
| | - Rossana Roncato
- Experimental & Clinical Pharmacology, Centro di Riferimento Oncologico- National Cancer Institute, Aviano, Italy
| | - Giuseppe Toffoli
- Experimental & Clinical Pharmacology, Centro di Riferimento Oncologico- National Cancer Institute, Aviano, Italy
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Cherian MT, Chai SC, Chen T. Small-molecule modulators of the constitutive androstane receptor. Expert Opin Drug Metab Toxicol 2015; 11:1099-114. [PMID: 25979168 DOI: 10.1517/17425255.2015.1043887] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
INTRODUCTION The constitutive androstane receptor (CAR) induces drug-metabolizing enzymes for xenobiotic metabolism. AREAS COVERED This review covers recent advances in elucidating the biological functions of CAR and its modulation by a growing number of agonists and inhibitors. EXPERT OPINION Extrapolation of animal CAR function to that of humans should be carefully scrutinized, particularly when rodents are used in evaluating the metabolic profile and carcinogenic properties of clinical drugs and environmental chemicals. Continuous efforts are needed to discover novel CAR inhibitors, with extensive understanding of their inhibitory mechanism, species selectivity, and discriminating power against other xenobiotic sensors.
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Affiliation(s)
- Milu T Cherian
- Postdoctoral fellow, St. Jude Children's Research Hospital, Department of Chemical Biology and Therapeutics , 262 Danny Thomas Place, Memphis, TN 38105 , USA
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12
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Fukumasu H, Cordeiro YG, Rochetti AL, Barra CN, Sámora TS, Strefezzi RF, Dagli MLZ. Expression of NR1I3 in mouse lung tumors induced by the tobacco-specific nitrosamine 4-(methylnitrosamino)-4-(3-pyridyl)-1-butanone. ACTA ACUST UNITED AC 2015; 48:240-4. [PMID: 25714878 PMCID: PMC4381944 DOI: 10.1590/1414-431x20144210] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2014] [Accepted: 12/05/2014] [Indexed: 02/05/2023]
Abstract
Nuclear receptor subfamily 1, group I, member 3 (NR1I3) is reported to be a possible
novel therapeutic target for some cancers, including lung, brain and hematopoietic
tumors. Here, we characterized expression of NR1I3 in a mouse model of lung
carcinogenesis induced by 4-(methylnitrosamino)-4-(3-pyridyl)-1-butanone (NNK), the
most potent tobacco carcinogen. Lung tumors were collected from mice treated with NNK
(400 mg/kg) and euthanized after 52 weeks. Benign and malignant lesions were
formalin-fixed and paraffin-embedded for histology and immunohistochemistry, with
samples snap-frozen for mRNA analysis. Immunohistochemically, we found that most
macrophages and type I and II pneumocytes expressed NR1I3, whereas fibroblasts and
endothelial cells were NR1I3−. Compared with benign lesions, malignant
lesions had less NR1I3+ tumor cells. Gene expression analysis also showed
an inverse correlation between NR1I3 mRNA expression and tumor size
(P=0.0061), suggesting that bigger tumors expressed less NR1I3
transcripts, in accordance with our immunohistochemical NR1I3 tests. Our results
indicate that NR1I3 expression decreased during progression of malignant lung tumors
induced by NNK in mice.
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Affiliation(s)
- H Fukumasu
- Laboratório de Oncologia Comparada e Translacional, Departmento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - Y G Cordeiro
- Laboratório de Oncologia Comparada e Translacional, Departmento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - A L Rochetti
- Laboratório de Oncologia Comparada e Translacional, Departmento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - C N Barra
- Laboratório de Oncologia Comparada e Translacional, Departmento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - T S Sámora
- Laboratório de Oncologia Comparada e Translacional, Departmento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - R F Strefezzi
- Laboratório de Oncologia Comparada e Translacional, Departmento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - M L Z Dagli
- Laboratório de Oncologia Experimental e Comparada, Departmento de Patologia, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, SP, Brasil
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