1
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Wang Y, Su K, Wang C, Deng T, Liu X, Sun S, Jiang Y, Zhang C, Xing B, Du X. Chemotherapy-induced acetylation of ACLY by NAT10 promotes its nuclear accumulation and acetyl-CoA production to drive chemoresistance in hepatocellular carcinoma. Cell Death Dis 2024; 15:545. [PMID: 39085201 PMCID: PMC11291975 DOI: 10.1038/s41419-024-06951-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 07/21/2024] [Accepted: 07/24/2024] [Indexed: 08/02/2024]
Abstract
Chemotherapeutic efficacy is seriously impeded by chemoresistance in more than half of hepatocellular carcinoma (HCC) patients. However, the mechanisms involved in chemotherapy-induced upregulation of chemoresistant genes are not fully understood. Here, this study unravels a novel mechanism controlling nuclear acetyl-CoA production to activate the transcription of chemoresistant genes in HCC. NAT10 is upregulated in HCC tissues and its upregulation is correlated with poor prognosis of HCC patients. NAT10 is also upregulated in chemoresistant HCC cells. Targeting NAT10 increases the cytotoxicity of chemotherapy in HCC cells and mouse xenografts. Upon chemotherapy, NAT10 translocates from the nucleolus to the nucleus to activate the transcription of CYP2C9 and PIK3R1. Additionally, nuclear acetyl-CoA is specifically upregulated by NAT10. Mechanistically, NAT10 binds with ACLY in the nucleus and acetylates ACLY at K468 to counteract the SQSTM1-mediated degradation upon chemotherapy. ACLY K468-Ac specifically accumulates in the nucleus and increases nuclear acetyl-CoA production to activate the transcription of CYP2C9 and PIK3R1 through enhancing H3K27ac. Importantly, K468 is required for nuclear localization of ACLY. Significantly, ACLY K468-Ac is upregulated in HCC tissues, and ablation of ACLY K468-Ac sensitizes HCC cells and mouse xenografts to chemotherapy. Collectively, these findings identify NAT10 as a novel chemoresistant driver and the blockage of NAT10-mediated ACLY K468-Ac possesses the potential to attenuate HCC chemoresistance.
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MESH Headings
- Humans
- Carcinoma, Hepatocellular/drug therapy
- Carcinoma, Hepatocellular/metabolism
- Carcinoma, Hepatocellular/pathology
- Carcinoma, Hepatocellular/genetics
- Liver Neoplasms/metabolism
- Liver Neoplasms/drug therapy
- Liver Neoplasms/genetics
- Liver Neoplasms/pathology
- Acetyl Coenzyme A/metabolism
- Drug Resistance, Neoplasm/genetics
- Drug Resistance, Neoplasm/drug effects
- Animals
- Acetylation
- Mice
- Cell Nucleus/metabolism
- Cell Line, Tumor
- Mice, Nude
- Coenzyme A Ligases/metabolism
- Coenzyme A Ligases/genetics
- Gene Expression Regulation, Neoplastic/drug effects
- N-Terminal Acetyltransferases/metabolism
- Antineoplastic Agents/pharmacology
- Antineoplastic Agents/therapeutic use
- Mice, Inbred BALB C
- Male
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Affiliation(s)
- Yuying Wang
- Department of Cell Biology, School of Basic Medical Sciences, Peking University, Beijing, China
| | - Kunqi Su
- Department of Cell Biology, School of Basic Medical Sciences, Peking University, Beijing, China
| | - Chang Wang
- Department of Cell Biology, School of Basic Medical Sciences, Peking University, Beijing, China
| | - Tao Deng
- Department of Cell Biology, School of Basic Medical Sciences, Peking University, Beijing, China
| | - Xiaofeng Liu
- Hepatopancreatobiliary Surgery Department I, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Peking University Cancer Hospital & Institute, Beijing, China
| | - Shiqi Sun
- Department of Cell Biology, School of Basic Medical Sciences, Peking University, Beijing, China
| | - Yang Jiang
- Department of Cell Biology, School of Basic Medical Sciences, Peking University, Beijing, China
| | - Chunfeng Zhang
- Department of Medical Genetics, School of Basic Medical Sciences, Peking University, Beijing, China
| | - Baocai Xing
- Hepatopancreatobiliary Surgery Department I, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Peking University Cancer Hospital & Institute, Beijing, China.
| | - Xiaojuan Du
- Department of Cell Biology, School of Basic Medical Sciences, Peking University, Beijing, China.
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2
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Genetic variations and epigenetic modulations in CYP genes: Implications in NSAID-treatment of arthritis patients. THE NUCLEUS 2021. [DOI: 10.1007/s13237-021-00373-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
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3
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Wang P, Chen S, Wang Y, Wang X, Yan L, Yang K, Zhong XB, Han S, Zhang L. The Long Noncoding RNA Hepatocyte Nuclear Factor 4 α Antisense RNA 1 Negatively Regulates Cytochrome P450 Enzymes in Huh7 Cells via Histone Modifications. Drug Metab Dispos 2021; 49:361-368. [PMID: 33674270 DOI: 10.1124/dmd.120.000316] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 02/02/2021] [Indexed: 01/22/2023] Open
Abstract
The maintenance of homeostasis of cytochromes P450 enzymes (P450s) under both physiologic and xenobiotic exposure conditions is ensured by the action of positive and negative regulators. In the current study, the hepatocyte nuclear factor 4α (HNF4A) antisense RNA 1 (HNF4A-AS1), an antisense long noncoding RNA of HNF4A, was found to be a negative regulator of the basal and rifampicin (RIF)-induced expression of nuclear receptors and downstream P450s. In Huh7 cells, knockdown of HNF4A-AS1 resulted in elevated expression of HNF4A, pregnane X receptor (PXR), and P450s (including CYP3A4) under both basal and RIF-induced conditions. Conversely, overexpression of HNF4A-AS1 led to decreased basal expression of constitutive androstane receptor, aryl hydrocarbon receptor, PXR, and all studied P450s. Of note, significantly diminished induction levels of PXR and CYP1A2, 2C8, 2C19, and 3A4 by RIF were also observed in HNF4A-AS1 plasmid-transfected Huh7 cells. Moreover, the negative feedback of HNF4A on HNF4A-AS1-mediated gene expression was validated using a loss-of-function experiment in this study. Strikingly, our data showed that increased enrichment levels of histone 3 lysine 4 trimethylation and HNF4A in the CYP3A4 promoter contribute to the elevated CYP3A4 expression after HNF4A-AS1 knockdown. Overall, the current study reveals that histone modifications contribute to the negative regulation of nuclear receptors and P450s by HNF4A-AS1 in basal and drug-induced levels. SIGNIFICANCE STATEMENT: Utilizing loss-of-function and gain-of-function experiments, the current study systematically investigated the negative regulation of HNF4A-AS1 on the expression of nuclear receptors (including HNF4A, constitutive androstane receptor, aryl hydrocarbon receptor, and pregnane X receptor) and P450s (including CYP1A2, 2E1, 2B6, 2D6, 2C8, 2C9, 2C19, and 3A4) in both basal and rifampicin-induced levels in Huh7 cells. Notably, this study is the first to reveal the contribution of histone modification to the HNF4A-AS1-mediated expression of CYP3A4 in Huh7 cells.
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Affiliation(s)
- Pei Wang
- Department of Pharmacology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan, China (P.W., S.C., Y.W., X.W., K.Y., S.H., L.Z.); Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China (L.Y.); and Department of Pharmaceutical Sciences, School of Pharmacy, University of Connecticut, Storrs, Connecticut (X.-b.Z.)
| | - Shitong Chen
- Department of Pharmacology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan, China (P.W., S.C., Y.W., X.W., K.Y., S.H., L.Z.); Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China (L.Y.); and Department of Pharmaceutical Sciences, School of Pharmacy, University of Connecticut, Storrs, Connecticut (X.-b.Z.)
| | - Yiting Wang
- Department of Pharmacology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan, China (P.W., S.C., Y.W., X.W., K.Y., S.H., L.Z.); Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China (L.Y.); and Department of Pharmaceutical Sciences, School of Pharmacy, University of Connecticut, Storrs, Connecticut (X.-b.Z.)
| | - Xiaofei Wang
- Department of Pharmacology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan, China (P.W., S.C., Y.W., X.W., K.Y., S.H., L.Z.); Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China (L.Y.); and Department of Pharmaceutical Sciences, School of Pharmacy, University of Connecticut, Storrs, Connecticut (X.-b.Z.)
| | - Liang Yan
- Department of Pharmacology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan, China (P.W., S.C., Y.W., X.W., K.Y., S.H., L.Z.); Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China (L.Y.); and Department of Pharmaceutical Sciences, School of Pharmacy, University of Connecticut, Storrs, Connecticut (X.-b.Z.)
| | - Kun Yang
- Department of Pharmacology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan, China (P.W., S.C., Y.W., X.W., K.Y., S.H., L.Z.); Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China (L.Y.); and Department of Pharmaceutical Sciences, School of Pharmacy, University of Connecticut, Storrs, Connecticut (X.-b.Z.)
| | - Xiao-Bo Zhong
- Department of Pharmacology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan, China (P.W., S.C., Y.W., X.W., K.Y., S.H., L.Z.); Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China (L.Y.); and Department of Pharmaceutical Sciences, School of Pharmacy, University of Connecticut, Storrs, Connecticut (X.-b.Z.)
| | - Shengna Han
- Department of Pharmacology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan, China (P.W., S.C., Y.W., X.W., K.Y., S.H., L.Z.); Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China (L.Y.); and Department of Pharmaceutical Sciences, School of Pharmacy, University of Connecticut, Storrs, Connecticut (X.-b.Z.)
| | - Lirong Zhang
- Department of Pharmacology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan, China (P.W., S.C., Y.W., X.W., K.Y., S.H., L.Z.); Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China (L.Y.); and Department of Pharmaceutical Sciences, School of Pharmacy, University of Connecticut, Storrs, Connecticut (X.-b.Z.)
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4
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Pande P, Zhong XB, Ku WW. Histone Methyltransferase G9a Regulates Expression of Nuclear Receptors and Cytochrome P450 Enzymes in HepaRG Cells at Basal Level and in Fatty Acid Induced Steatosis. Drug Metab Dispos 2020; 48:1321-1329. [DOI: 10.1124/dmd.120.000195] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 09/11/2020] [Indexed: 12/17/2022] Open
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5
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de Andrés F, Altamirano-Tinoco C, Ramírez-Roa R, Montes-Mondragón CF, Dorado P, Peñas-Lledó EM, LLerena A. Relationships between CYP1A2, CYP2C9, CYP2C19, CYP2D6 and CYP3A4 metabolic phenotypes and genotypes in a Nicaraguan Mestizo population. THE PHARMACOGENOMICS JOURNAL 2020; 21:140-151. [PMID: 33024249 DOI: 10.1038/s41397-020-00190-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 08/17/2020] [Accepted: 09/23/2020] [Indexed: 12/19/2022]
Abstract
Interethnic variability in the drug-metabolizing capacity of CYP450 enzymes may lead to discrepancies in the relationship between genotypes and phenotypes worldwide. The present study was aimed to analyze for the first time whether there is a relationship between clinically relevant CYP450 genetic polymorphisms and their drug oxidation capacity (metabolic phenotype) in a population of healthy Nicaraguan volunteers. Two hundred and twelve participants were genotyped for CYP1A2, CYP2C9, CYP2C19, CYP2D6, and CYP3A4, and their actual metabolic phenotype (evaluated by the Metabolic Ratio, MR) was analyzed by using the CEIBA cocktail approach. The results showed the wide interindividual variability in all the studied enzymes and a significant difference (p < 0.004) in the activity of CYP1A2 between male and female subjects. The number of CYP2C19 (p < 0.0001) and CYP2D6 (p < 0.0001) active alleles were shown inversely correlated with their corresponding MR, although there were marked genotype-phenotype discrepancies. There was an actual enzyme capacity overlapping (MR) between genotypically Poor (gPMs) and Extensive Metabolizers (gEMs) of 3.14% subjects for CYP2D6 and 0.94% for CYP2C9. Similarly, there was an overlapping for metabolic phenotypes of 11.48% of genotypically ultrarapid metabolizers (gUMs) for CYP2C19 and 2.09% for CYP2D6 and gEMs. Therefore, the current approach for metabolic phenotype prediction based just on genotype does not predict properly for all individuals within this Nicaraguan Mestizo population, thus representing a potential barrier for the clinical implementation of personalized medicine in this region. However, it is necessary to improve the prediction of phenotype from genotype in order to improve the pharmacogenetic implementation in populations with specific ethnic backgrounds.
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Affiliation(s)
- Fernando de Andrés
- INUBE Extremadura Biosanitary University Research Institute, CICAB Clinical Research Centre, Badajoz University Hospital; University of Extremadura, Badajoz, Spain.,RIBEF Ibero American Network of Pharmacogenetics and Pharmacogenomics, León, Nicaragua
| | - Catalina Altamirano-Tinoco
- RIBEF Ibero American Network of Pharmacogenetics and Pharmacogenomics, León, Nicaragua.,UNAN Universidad Nacional Autónoma de Nicaragua, Facultad de Ciencias Médicas, León, Nicaragua
| | - Ronald Ramírez-Roa
- RIBEF Ibero American Network of Pharmacogenetics and Pharmacogenomics, León, Nicaragua. .,UNAN Universidad Nacional Autónoma de Nicaragua, Facultad de Ciencias Médicas, León, Nicaragua.
| | | | - Pedro Dorado
- INUBE Extremadura Biosanitary University Research Institute, CICAB Clinical Research Centre, Badajoz University Hospital; University of Extremadura, Badajoz, Spain.,RIBEF Ibero American Network of Pharmacogenetics and Pharmacogenomics, León, Nicaragua.,Faculty of Medicine, University of Extremadura, Badajoz, Spain
| | - Eva M Peñas-Lledó
- INUBE Extremadura Biosanitary University Research Institute, CICAB Clinical Research Centre, Badajoz University Hospital; University of Extremadura, Badajoz, Spain.,RIBEF Ibero American Network of Pharmacogenetics and Pharmacogenomics, León, Nicaragua.,Faculty of Medicine, University of Extremadura, Badajoz, Spain
| | - Adrián LLerena
- INUBE Extremadura Biosanitary University Research Institute, CICAB Clinical Research Centre, Badajoz University Hospital; University of Extremadura, Badajoz, Spain. .,RIBEF Ibero American Network of Pharmacogenetics and Pharmacogenomics, León, Nicaragua. .,Faculty of Medicine, University of Extremadura, Badajoz, Spain. .,CIBERSAM, Instituto de Salud Carlos III, Madrid, Spain.
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6
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Tackling the Molecular Drug Sensitivity in the Sea Louse Caligus rogercresseyi Based on mRNA and lncRNA Interactions. Genes (Basel) 2020; 11:genes11080857. [PMID: 32726954 PMCID: PMC7464394 DOI: 10.3390/genes11080857] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 07/21/2020] [Accepted: 07/24/2020] [Indexed: 01/05/2023] Open
Abstract
Caligus rogercresseyi, commonly known as sea louse, is an ectoparasite copepod that impacts the salmon aquaculture in Chile, causing losses of hundreds of million dollars per year. This pathogen is mainly controlled by immersion baths with delousing drugs, which can lead to resistant traits selection in lice populations. Bioassays are commonly used to assess louse drug sensitivity, but the current procedures may mask relevant molecular responses. This study aimed to discover novel coding genes and non-coding RNAs that could evidence drug sensitivity at the genomic level. Sea lice samples from populations with contrasting sensitivity to delousing drugs were collected. Bioassays using azamethiphos, cypermethrin, and deltamethrin drugs were conducted to evaluate the sensitivity and to collect samples for RNA-sequencing. Transcriptome sequencing was conducted on samples exposed to each drug to evaluate the presence of coding and non-coding RNAs associated with the response of these compounds. The results revealed specific transcriptome patterns in lice exposed to azamethiphos, deltamethrin, and cypermethrin drugs. Enrichment analyses of Gene Ontology terms showed specific biological processes and molecular functions associated with each delousing drug analyzed. Furthermore, novel long non-coding RNAs (lncRNAs) were identified in C. rogercresseyi and tightly linked to differentially expressed coding genes. A significant correlation between gene transcription patterns and phenotypic effects was found in lice collected from different salmon farms with contrasting drug treatment efficacies. The significant correlation among gene transcription patterns with the historical background of drug sensitivity suggests novel molecular mechanisms of pharmacological resistance in lice populations.
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7
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Shah RR. Genotype‐guided warfarin therapy: Still of only questionable value two decades on. J Clin Pharm Ther 2020; 45:547-560. [DOI: 10.1111/jcpt.13127] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Accepted: 02/07/2020] [Indexed: 12/20/2022]
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8
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Barrett CM, McCracken R, Elmer J, Haynes KA. Components from the Human c-myb Transcriptional Regulation System Reactivate Epigenetically Repressed Transgenes. Int J Mol Sci 2020; 21:E530. [PMID: 31947658 PMCID: PMC7014047 DOI: 10.3390/ijms21020530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 01/07/2020] [Accepted: 01/07/2020] [Indexed: 11/16/2022] Open
Abstract
A persistent challenge for mammalian cell engineering is the undesirable epigenetic silencing of transgenes. Foreign DNA can be incorporated into closed chromatin before and after it has been integrated into a host cell's genome. To identify elements that mitigate epigenetic silencing, we tested components from the c-myb and NF-kB transcriptional regulation systems in transiently transfected DNA and at chromosomally integrated transgenes in PC-3 and HEK 293 cells. DNA binding sites for MYB (c-myb) placed upstream of a minimal promoter enhanced expression from transiently transfected plasmid DNA. We targeted p65 and MYB fusion proteins to a chromosomal transgene, UAS-Tk-luciferase, that was silenced by ectopic Polycomb chromatin complexes. Transient expression of Gal4-MYB induced an activated state that resisted complete re-silencing. We used custom guide RNAs and dCas9-MYB to target MYB to different positions relative to the promoter and observed that transgene activation within ectopic Polycomb chromatin required proximity of dCas9-MYB to the transcriptional start site. Our report demonstrates the use of MYB in the context of the CRISPR-activation system, showing that DNA elements and fusion proteins derived from c-myb can mitigate epigenetic silencing to improve transgene expression in engineered cell lines.
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Affiliation(s)
- Cassandra M. Barrett
- School of Biological and Health Systems Engineering, Arizona State University, 501 East Tyler Mall, Tempe, AZ 85287, USA;
| | - Reilly McCracken
- Department of Chemical Engineering, Villanova University, 217 White Hall, 800 East Lancaster Avenue, Villanova, PA 19085, USA; (R.M.); (J.E.)
| | - Jacob Elmer
- Department of Chemical Engineering, Villanova University, 217 White Hall, 800 East Lancaster Avenue, Villanova, PA 19085, USA; (R.M.); (J.E.)
| | - Karmella A. Haynes
- School of Biological and Health Systems Engineering, Arizona State University, 501 East Tyler Mall, Tempe, AZ 85287, USA;
- Wallace H. Coulter Department of Biomedical Engineering, Emory University, Atlanta, GA 30322, USA
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9
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Ragia G, Manolopoulos VG. Pharmacogenomics of anticoagulation therapy: the last 10 years. Pharmacogenomics 2019; 20:1113-1117. [DOI: 10.2217/pgs-2019-0149] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Affiliation(s)
- Georgia Ragia
- Laboratory of Pharmacology, Medical School, Democritus University of Thrace, Alexandroupolis, Greece
- DNALEX SA, Leontaridou 2, Alexandroupolis, Greece
| | - Vangelis G Manolopoulos
- Laboratory of Pharmacology, Medical School, Democritus University of Thrace, Alexandroupolis, Greece
- Clinical Pharmacology & Pharmacogenetics Unit, Academic General Hospital of Alexandroupolis, Alexandroupolis, Greece
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10
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Sun Q, Xu W, Ji S, Qin Y, Liu W, Hu Q, Zhang Z, Liu M, Yu X, Xu X. Role of hepatocyte nuclear factor 4 alpha in cell proliferation and gemcitabine resistance in pancreatic adenocarcinoma. Cancer Cell Int 2019; 19:49. [PMID: 30867652 PMCID: PMC6398265 DOI: 10.1186/s12935-019-0767-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2019] [Accepted: 02/28/2019] [Indexed: 01/03/2023] Open
Abstract
Background Hepatocyte nuclear factor 4α (HNF4α) is a tissue-specific transcription factor that regulates the expression of numerous genes in hepatocytes and pancreatic β cells. HNF4α has been reported to affect cell proliferation and chemoresistance in several cancers. However, the role of HNF4α in pancreatic adenocarcinoma (PDAC) has not been studied extensively and remains unclear. Methods By utilizing immunohistochemical (IHC) staining, we measured the expression of HNF4α in PDAC tissues. By silencing HNF4α in PDAC cell lines, we assessed the impact of HNF4α on pancreatic cancer cell proliferation and gemcitabine sensitivity. We used CCK8 and colony formation assays to examine the effect of HNF4α on cell proliferation. A flow cytometry assay was used to assess cell apoptosis. The expression of gemcitabine-related genes was detected by quantitative real‑time PCR (qRT-PCR) and Western blotting. IHC was utilized to assess the correlation between HNF4α and human equilibrative nucleoside transporter 1 (hENT1) expression in PDAC patients. Chromatin immunoprecipitation (ChIP) and dual‑luciferase reporter assays were used to confirm that hENT1 is a target gene of HNF4α. Results Increased HNF4α expression was detected in PDAC tissues; patients with higher HNF4α expression displayed worse prognosis. To elucidate the function of HNF4α, we examined its role in pancreatic cancer cell proliferation, apoptosis and gemcitabine resistance. In HNF4α-silenced Capan-1 and MiaPaCa-2 cells, we observed decreased cell proliferation and increased sensitivity to gemcitabine compared to those of controls. The mechanism of HNF4α in gemcitabine-related chemosensitivity was then explored. In response to HNF4α silencing, the expression levels of gemcitabine-related proteins, hENT1 and deoxycytidine kinase (dCK) were significantly increased. Additionally, hENT1 was negatively correlated with HNF4α in PDAC tissue samples. Moreover, we identified hENT1 as a downstream target of HNF4α. Conclusion HNF4α is a prognostic marker for overall survival, is required for pancreatic cancer cell proliferation and promotes resistance to gemcitabine by downregulating hENT1. Therefore, targeting HNF4α might reverse gemcitabine resistance and provide novel treatment strategies for PDAC. Electronic supplementary material The online version of this article (10.1186/s12935-019-0767-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Qiqing Sun
- 1Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032 China.,2Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032 China.,3Pancreatic Cancer Institute, Fudan University, Shanghai, 200032 China.,4Shanghai Pancreatic Cancer Institute, Shanghai, 200032 China
| | - Wenyan Xu
- 1Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032 China.,2Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032 China.,3Pancreatic Cancer Institute, Fudan University, Shanghai, 200032 China.,4Shanghai Pancreatic Cancer Institute, Shanghai, 200032 China
| | - Shunrong Ji
- 1Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032 China.,2Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032 China.,3Pancreatic Cancer Institute, Fudan University, Shanghai, 200032 China.,4Shanghai Pancreatic Cancer Institute, Shanghai, 200032 China
| | - Yi Qin
- 1Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032 China.,2Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032 China.,3Pancreatic Cancer Institute, Fudan University, Shanghai, 200032 China.,4Shanghai Pancreatic Cancer Institute, Shanghai, 200032 China
| | - Wensheng Liu
- 1Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032 China.,2Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032 China.,3Pancreatic Cancer Institute, Fudan University, Shanghai, 200032 China.,4Shanghai Pancreatic Cancer Institute, Shanghai, 200032 China
| | - Qiangsheng Hu
- 1Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032 China.,2Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032 China.,3Pancreatic Cancer Institute, Fudan University, Shanghai, 200032 China.,4Shanghai Pancreatic Cancer Institute, Shanghai, 200032 China
| | - Zheng Zhang
- 1Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032 China.,2Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032 China.,3Pancreatic Cancer Institute, Fudan University, Shanghai, 200032 China.,4Shanghai Pancreatic Cancer Institute, Shanghai, 200032 China
| | - Mengqi Liu
- 1Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032 China.,2Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032 China.,3Pancreatic Cancer Institute, Fudan University, Shanghai, 200032 China.,4Shanghai Pancreatic Cancer Institute, Shanghai, 200032 China
| | - Xianjun Yu
- 1Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032 China.,2Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032 China.,3Pancreatic Cancer Institute, Fudan University, Shanghai, 200032 China.,4Shanghai Pancreatic Cancer Institute, Shanghai, 200032 China
| | - Xiaowu Xu
- 1Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032 China.,2Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032 China.,3Pancreatic Cancer Institute, Fudan University, Shanghai, 200032 China.,4Shanghai Pancreatic Cancer Institute, Shanghai, 200032 China
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11
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Putlyaev EV, Ibragimov AN, Lebedeva LA, Georgiev PG, Shidlovskii YV. Structure and Functions of the Mediator Complex. BIOCHEMISTRY (MOSCOW) 2018; 83:423-436. [PMID: 29626929 DOI: 10.1134/s0006297918040132] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Mediator is a key factor in the regulation of expression of RNA polymerase II-transcribed genes. Recent studies have shown that Mediator acts as a coordinator of transcription activation and participates in maintaining chromatin architecture in the cell nucleus. In this review, we present current concepts on the structure and functions of Mediator.
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Affiliation(s)
- E V Putlyaev
- Institute of Gene Biology, Russian Academy of Sciences, Moscow, 119334, Russia.
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Yang ZZ, Li L, Xu MC, Ju HX, Hao M, Gu JK, Jim Wang ZJ, Jiang HD, Yu LS, Zeng S. Brain-derived neurotrophic factor involved epigenetic repression of UGT2B7 in colorectal carcinoma: A mechanism to alter morphine glucuronidation in tumor. Oncotarget 2018; 8:29138-29150. [PMID: 28418861 PMCID: PMC5438719 DOI: 10.18632/oncotarget.16251] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Accepted: 02/20/2017] [Indexed: 01/17/2023] Open
Abstract
Uridine diphosphate-glucuronosyltransferase (UGT) 2B7, as one of significant drug enzymes, is responsible on the glucuronidation of abundant endobiotics or xenobiotics. We here report that it is markedly repressed in the tumor tissues of colorectal carcinoma (CRC) patients. Accordingly, morphine in CRC cells will stimulate the expression of its main metabolic enzyme, UGT2B7 during tolerance generation by activating the positive signals in histone 3, especially for trimethylated lysine 27 (H3K4Me3) and acetylated lysine 4 (H3K27Ac). Further study reveals that brain-derived neutrophilic factor (BDNF), a secretory neurotrophin, enriched in CRC can interact and inhibit UGT2B7 by primarily blocking the positive signals of H3K4Me3 as well as activating H3K27Ac on the promoter region of UGT2B7. Meanwhile, BDNF repression attributes to the sensitizations of main core factors in poly-comb repressive complex (PRC) 1 rather than PRC2 as the reason of the depression of SUZ12 in the later complex. Besides that, the productions of two main morphine glucuronides are both increased in the BDNF deficient or TSA and BIX-01294 treated morphine tolerance-like HCT-116 cells. On the same condition, active metabolite, morphine-6-glucuronide (M6G) was accumulated more than inactive M3G. Our findings imply that enzymatic activity enhancement and substrate regioselective catalysis alteration of UGT2B7 may release morphine tolerance under the cure of tumor-induced pain.
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Affiliation(s)
- Zi-Zhao Yang
- Laboratory of Pharmaceutical Analysis and Drug Metabolism, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Li Li
- Department of Pharmacy, Zhejiang Hospital, Zhejiang Provincial Key Lab of Geriatrics, Hangzhou 310013, China
| | - Ming-Cheng Xu
- Laboratory of Pharmaceutical Analysis and Drug Metabolism, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Hai-Xing Ju
- Department of Colorectal Surgery, Zhejiang Provincial Tumor Hospital, Hangzhou, 310022, China
| | - Miao Hao
- Science Research Center, China-Japan Union Hospital of Jilin University, Changchun 130033, China
| | - Jing-Kai Gu
- School of Life Sciences, Jilin University, Changchun, 130012, China
| | - Zai-Jie Jim Wang
- Department of Biopharmaceutical Sciences and Cancer Center, University of Illinois at Chicago, Chicago, Illinois 60612, USA
| | - Hui-Di Jiang
- Laboratory of Pharmaceutical Analysis and Drug Metabolism, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Lu-Shan Yu
- Laboratory of Pharmaceutical Analysis and Drug Metabolism, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Su Zeng
- Laboratory of Pharmaceutical Analysis and Drug Metabolism, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
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Lauschke VM, Barragan I, Ingelman-Sundberg M. Pharmacoepigenetics and Toxicoepigenetics: Novel Mechanistic Insights and Therapeutic Opportunities. Annu Rev Pharmacol Toxicol 2017; 58:161-185. [PMID: 29029592 DOI: 10.1146/annurev-pharmtox-010617-053021] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Pharmacological treatment and exposure to xenobiotics can cause substantial changes in epigenetic signatures. The majority of these epigenetic changes, caused by the compounds in question, occur downstream of transcriptional activation mechanisms, whereby the epigenetic alterations can create a transcriptional memory and stably modulate cell function. The increasing understanding of epigenetic mechanisms and their importance in disease has prompted the development of therapeutic interventions that target epigenetic modulatory mechanisms, particularly in oncology where inhibitors of epigenetic-modifying proteins (epidrugs) have been successfully used in treatment, mostly in combination with standard-of-care chemotherapy, either provoking direct cytotoxicity or inhibiting resistance to anticancer drugs. In addition, emerging methods for detecting epigenetically modified DNA in bodily fluids may provide information about tumor phenotype or drug treatment success. However, it is important to note that many technical pitfalls, such as the nondeconvolution of methylcytosine and hydroxymethylcytosine, compromise epigenetic analyses and the interpretation of results. In this review, we provide an update on the field, with an emphasis on the novel therapeutic opportunities made possible by epidrugs.
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Affiliation(s)
- Volker M Lauschke
- Pharmacogenetics Section, Department of Physiology and Pharmacology, Karolinska Institutet, SE-171 77 Stockholm, Sweden;
| | - Isabel Barragan
- Pharmacoepigenetics Group, Department of Physiology and Pharmacology, Karolinska Institutet, SE-171 77 Stockholm, Sweden
| | - Magnus Ingelman-Sundberg
- Pharmacogenetics Section, Department of Physiology and Pharmacology, Karolinska Institutet, SE-171 77 Stockholm, Sweden;
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Jeronimo C, Robert F. The Mediator Complex: At the Nexus of RNA Polymerase II Transcription. Trends Cell Biol 2017; 27:765-783. [DOI: 10.1016/j.tcb.2017.07.001] [Citation(s) in RCA: 139] [Impact Index Per Article: 19.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Revised: 07/03/2017] [Accepted: 07/06/2017] [Indexed: 12/15/2022]
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de Andrés F, Sosa-Macías M, Ramos BPL, Naranjo MEG, LLerena A. CYP450 Genotype/Phenotype Concordance in Mexican Amerindian Indigenous Populations–Where to from Here for Global Precision Medicine? ACTA ACUST UNITED AC 2017; 21:509-519. [DOI: 10.1089/omi.2017.0101] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Fernando de Andrés
- CICAB Clinical Research Centre, Extremadura University Hospital and Medical School, Badajoz, Spain
- Department of Analytical Chemistry and Food Technology, Faculty of Pharmacy, University of Castilla-La Mancha, Albacete, Spain
| | | | | | - María-Eugenia G. Naranjo
- CICAB Clinical Research Centre, Extremadura University Hospital and Medical School, Badajoz, Spain
| | - Adrián LLerena
- CICAB Clinical Research Centre, Extremadura University Hospital and Medical School, Badajoz, Spain
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Yan L, Wang Y, Liu J, Nie Y, Zhong XB, Kan Q, Zhang L. Alterations of Histone Modifications Contribute to Pregnane X Receptor-Mediated Induction of CYP3A4 by Rifampicin. Mol Pharmacol 2017; 92:113-123. [PMID: 28546420 DOI: 10.1124/mol.117.108225] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Accepted: 05/22/2017] [Indexed: 01/28/2023] Open
Abstract
CYP3A4 is one of the major drug-metabolizing enzymes in human and is responsible for the metabolism of 60% of clinically used drugs. Many drugs are able to induce the expression of CYP3A4, which usually causes drug-drug interactions and adverse drug reactions. This study aims to explore the role of histone modifications in rifampicin-induced expression of CYP3A4 in LS174T cells. We found that the induction of CYP3A4 mRNA (4- to 15-fold) by rifampicin in LS174T cells was associated with increased levels of histone H3 lysine 4 trimethylation (H3K4me3, above 1.8-fold) and H3 acetylation (above 2-fold) and a decreased level of histone H3 lysine 27 trimethylation (H3K27me3, about 50%) in the CYP3A4 promoter. Rifampicin enhanced recruitment to the CYP3A4 promoter of nuclear receptor coactivator 6 (NCOA6, above 3-fold) and histone acetyltransferase p300 (p300, above 1.6-fold). Silencing NCOA6 or p300 by short-hairpin RNAs resulted in inhibition of the CYP3A4 induction as well as altered levels of H3K4me3, H3K27me3, or H3 acetylation in the CYP3A4 promoter. Knockdown of pregnane X receptor (PXR) expression not only suppressed the recruitment of NCOA6 and p300 but also abolished the changes caused by rifampicin in H3K4me3, H3K27me3, and H3 acetylation levels in the CYP3A4 promoter. Moreover, rifampicin treatment enhanced the nuclear accumulation and interactions between PXR and NCOA6/p300. In conclusion, we show that the alterations of histone modifications contribute to the PXR-mediated induction of CYP3A4 by rifampicin.
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Affiliation(s)
- Liang Yan
- Department of Pharmacology (L.Y., J.L., Y.N, L.Z.) and Department of Forensic Medicine (Y.W.), School of Basic Medicine, Zhengzhou University, Zhengzhou, Henan, China; Department of Pharmaceutical Sciences, School of Pharmacy, University of Connecticut, Storrs, Connecticut (X.Z.); The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China (Q.K.)
| | - Yiting Wang
- Department of Pharmacology (L.Y., J.L., Y.N, L.Z.) and Department of Forensic Medicine (Y.W.), School of Basic Medicine, Zhengzhou University, Zhengzhou, Henan, China; Department of Pharmaceutical Sciences, School of Pharmacy, University of Connecticut, Storrs, Connecticut (X.Z.); The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China (Q.K.)
| | - Jingyang Liu
- Department of Pharmacology (L.Y., J.L., Y.N, L.Z.) and Department of Forensic Medicine (Y.W.), School of Basic Medicine, Zhengzhou University, Zhengzhou, Henan, China; Department of Pharmaceutical Sciences, School of Pharmacy, University of Connecticut, Storrs, Connecticut (X.Z.); The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China (Q.K.)
| | - Yali Nie
- Department of Pharmacology (L.Y., J.L., Y.N, L.Z.) and Department of Forensic Medicine (Y.W.), School of Basic Medicine, Zhengzhou University, Zhengzhou, Henan, China; Department of Pharmaceutical Sciences, School of Pharmacy, University of Connecticut, Storrs, Connecticut (X.Z.); The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China (Q.K.)
| | - Xiao-Bo Zhong
- Department of Pharmacology (L.Y., J.L., Y.N, L.Z.) and Department of Forensic Medicine (Y.W.), School of Basic Medicine, Zhengzhou University, Zhengzhou, Henan, China; Department of Pharmaceutical Sciences, School of Pharmacy, University of Connecticut, Storrs, Connecticut (X.Z.); The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China (Q.K.)
| | - Quancheng Kan
- Department of Pharmacology (L.Y., J.L., Y.N, L.Z.) and Department of Forensic Medicine (Y.W.), School of Basic Medicine, Zhengzhou University, Zhengzhou, Henan, China; Department of Pharmaceutical Sciences, School of Pharmacy, University of Connecticut, Storrs, Connecticut (X.Z.); The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China (Q.K.)
| | - Lirong Zhang
- Department of Pharmacology (L.Y., J.L., Y.N, L.Z.) and Department of Forensic Medicine (Y.W.), School of Basic Medicine, Zhengzhou University, Zhengzhou, Henan, China; Department of Pharmaceutical Sciences, School of Pharmacy, University of Connecticut, Storrs, Connecticut (X.Z.); The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China (Q.K.)
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Liao CJ, Lai Z, Lee S, Yun DJ, Mengiste T. Arabidopsis HOOKLESS1 Regulates Responses to Pathogens and Abscisic Acid through Interaction with MED18 and Acetylation of WRKY33 and ABI5 Chromatin. THE PLANT CELL 2016; 28:1662-81. [PMID: 27317674 PMCID: PMC4981130 DOI: 10.1105/tpc.16.00105] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Accepted: 06/16/2016] [Indexed: 05/03/2023]
Abstract
Arabidopsis thaliana HOOKLESS1 (HLS1) encodes a putative histone acetyltransferase with known functions in seedling growth. Here, we show that HLS1 regulates plant responses to pathogens and abscisic acid (ABA) through histone acetylation at chromatin of target loci. The hls1 mutants show impaired responses to bacterial and fungal infection, accelerated senescence, and impaired responses to ABA. HLS1 modulates the expression of WRKY33 and ABA INSENSITIVE5 (ABI5), known regulators of pathogen and ABA responses, respectively, through direct association with these loci. Histone 3 acetylation (H3Ac), a positive mark of transcription, at WRKY33 and ABI5 requires HLS1 function. ABA treatment and pathogen infection enhance HLS1 recruitment and H3Ac at WRKY33. HLS1 associates with Mediator, a eukaryotic transcription coregulatory complex, through direct interaction with mediator subunit 18 (MED18), with which it shares multiple functions. HLS1 recruits MED18 to the WRKY33 promoter, boosting WKRY33 expression, suggesting the synergetic action of HLS1 and MED18. By contrast, MED18 recruitment to ABI5 and transcriptional activation are independent of HLS1. ABA-mediated priming of resistance to fungal infection was abrogated in hls1 and wrky33 mutants but correlated with ABA-induced HLS1 accumulation. In sum, HLS1 provides a regulatory node in pathogen and hormone response pathways through interaction with the Mediator complex and important transcription factors.
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Affiliation(s)
- Chao-Jan Liao
- Department of Botany and Plant Pathology, Purdue University, West Lafayette, Indiana 47907
| | - Zhibing Lai
- National Key Laboratory of Crop Genetics Improvement, Huazhong Agricultural University, Wuhan 430070, China
| | - Sanghun Lee
- Department of Botany and Plant Pathology, Purdue University, West Lafayette, Indiana 47907
| | - Dae-Jin Yun
- Division of Applied Life Sciences (BK 21 Program), Gyeongsang National University, Jinju City 660-701, Korea
| | - Tesfaye Mengiste
- Department of Botany and Plant Pathology, Purdue University, West Lafayette, Indiana 47907
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