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Butsri S, Kukongviriyapan V, Senggunprai L, Kongpetch S, Prawan A. All‑ trans‑retinoic acid induces RARB‑dependent apoptosis via ROS induction and enhances cisplatin sensitivity by NRF2 downregulation in cholangiocarcinoma cells. Oncol Lett 2022; 23:179. [PMID: 35464301 PMCID: PMC9025595 DOI: 10.3892/ol.2022.13299] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 03/03/2022] [Indexed: 11/27/2022] Open
Abstract
All-trans-retinoic acid (ATRA) has been clinically used to treat acute promyelocytic leukemia and is being studied to treat other types of cancer; however, the therapeutic role and mechanism of ATRA against cholangiocarcinoma (CCA) remain unclear. The present study investigated the cytotoxic effect and underlying mechanisms of ATRA on CCA cell lines. Cell viability was evaluated by sulforhodamine B assay. Intracellular reactive oxygen species (ROS) levels were assessed by dihydroethidium assay. Apoptosis analysis was performed by flow cytometry. The pathways of apoptotic cell death induction were examined using enzymatic caspase activity assay. Proteins associated with apoptosis were evaluated by western blotting. The effects on gene expression were analyzed by reverse transcription-quantitative PCR analysis. ATRA induced a concentration- and time-dependent toxicity in CCA cells. Furthermore, when the cytotoxicity of ATRA against retinoic acid receptor (RAR)-deficient cells was assessed, it was revealed that ATRA cytotoxicity was RARB-dependent. Following ATRA treatment, there was a significant accumulation of cellular ROS and ATRA-induced ROS generation led to an increase in the expression levels of apoptosis-inducing proteins and intrinsic apoptosis. Pre-treatment with ROS scavengers could diminish the apoptotic effect of ATRA, suggesting that ROS and mitochondria may have an essential role in the induction of apoptosis. Furthermore, following ATRA treatment, an increase in cellular ROS content was associated with suppressing nuclear factor erythroid 2-related factor 2 (NFE2L2 or NRF2) and NRF2-downstream active genes. ATRA also suppressed cisplatin-induced NRF2 expression, suggesting that the enhancement of cisplatin cytotoxicity by ATRA may be associated with the downregulation of NRF2 signaling. In conclusion, the results of the present study demonstrated that ATRA could be repurposed as an alternative drug for CCA therapy.
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Affiliation(s)
- Siriwoot Butsri
- Department of Pharmacology, Faculty of Medicine, Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Veerapol Kukongviriyapan
- Department of Pharmacology, Faculty of Medicine, Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Laddawan Senggunprai
- Department of Pharmacology, Faculty of Medicine, Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Sarinya Kongpetch
- Department of Pharmacology, Faculty of Medicine, Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Auemduan Prawan
- Department of Pharmacology, Faculty of Medicine, Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen 40002, Thailand
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Ligand-induced gene activation is associated with oxidative genome damage whose repair is required for transcription. Proc Natl Acad Sci U S A 2020; 117:22183-22192. [PMID: 32826329 PMCID: PMC7486736 DOI: 10.1073/pnas.1919445117] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The endogenous genome damage induced by mitochondrial/cytosolic reactive oxygen species (ROS) is well recognized. However, similar damage induced by nuclear ROS generated via histone/cytosine-phosphate-guanine (CpG) demethylation during transcription has not been scrupulously investigated. This report documents the formation of genomic oxidized bases and single-strand breaks during ligand-induced gene activation via histone/CpG demethylation. That repair of these damages occurs preferentially in promoters and is essential for transcriptional activation underscore the essentiality of promoter-specific repair for transcription. In contrast, heat shock (HS) induction generates double-strand breaks, the repair of which is essential for the activation of HS-responsive genes. This study thus implies gross underestimation of endogenous oxidative genome damage and highlights the intrinsic diversity of damage and distinct repair processes associated with transcription. Among several reversible epigenetic changes occurring during transcriptional activation, only demethylation of histones and cytosine-phosphate-guanines (CpGs) in gene promoters and other regulatory regions by specific demethylase(s) generates reactive oxygen species (ROS), which oxidize DNA and other cellular components. Here, we show induction of oxidized bases and single-strand breaks (SSBs), but not direct double-strand breaks (DSBs), in the genome during gene activation by ligands of the nuclear receptor superfamily. We observed that these damages were preferentially repaired in promoters via the base excision repair (BER)/single-strand break repair (SSBR) pathway. Interestingly, BER/SSBR inhibition suppressed gene activation. Constitutive association of demethylases with BER/SSBR proteins in multiprotein complexes underscores the coordination of histone/DNA demethylation and genome repair during gene activation. However, ligand-independent transcriptional activation occurring during heat shock (HS) induction is associated with the generation of DSBs, the repair of which is likewise essential for the activation of HS-responsive genes. These observations suggest that the repair of distinct damages induced during diverse transcriptional activation is a universal prerequisite for transcription initiation. Because of limited investigation of demethylation-induced genome damage during transcription, this study suggests that the extent of oxidative genome damage resulting from various cellular processes is substantially underestimated.
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Brenig K, Grube L, Schwarzländer M, Köhrer K, Stühler K, Poschmann G. The Proteomic Landscape of Cysteine Oxidation That Underpins Retinoic Acid-Induced Neuronal Differentiation. J Proteome Res 2020; 19:1923-1940. [DOI: 10.1021/acs.jproteome.9b00752] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Katrin Brenig
- Institute for Molecular Medicine, Medical Faculty, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany
| | - Leonie Grube
- Institute for Molecular Medicine, Medical Faculty, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany
| | - Markus Schwarzländer
- Institute for Plant Biology and Biotechnology, Plant Energy Biology, University of Münster, Schlossplatz 8, 48143 Münster, Germany
| | - Karl Köhrer
- Genomics & Transcriptomics Laboratory, Biomedical Research Centre (BMFZ), Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany
| | - Kai Stühler
- Institute for Molecular Medicine, Medical Faculty, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany
- Molecular Proteomics Laboratory, Biomedical Research Centre (BMFZ), Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany
| | - Gereon Poschmann
- Institute for Molecular Medicine, Medical Faculty, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany
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Lind T, Lugano R, Gustafson AM, Norgård M, van Haeringen A, Dimberg A, Melhus H, Robertson SP, Andersson G. Bones in human CYP26B1 deficiency and rats with hypervitaminosis A phenocopy Vegfa overexpression. Bone Rep 2018; 9:27-36. [PMID: 30003121 PMCID: PMC6039751 DOI: 10.1016/j.bonr.2018.06.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 06/05/2018] [Accepted: 06/16/2018] [Indexed: 01/03/2023] Open
Abstract
Angulated femurs are present prenatally both in CYP26B1 deficient humans with a reduced capacity to degrade retinoic acid (RA, the active metabolite of vitamin A), and mice overexpressing vascular endothelial growth factor a (Vegfa). Since excessive ingestion of vitamin A is known to induce spontaneous fractures and as the Vegfa-induced femur angulation in mice appears to be caused by intrauterine fractures, we analyzed bones from a CYP26B1 deficient human and rats with hypervitaminosis A to further explore Vegfa as a mechanistic link for the effect of vitamin A on bone. We show that bone from a human with CYP26B1 mutations displayed periosteal osteoclasts in piles within deep resorption pits, a pathognomonic sign of hypervitaminosis A. Analysis of the human angulated fetal femur revealed excessive bone formation in the marrow cavity and abundant blood vessels. Normal human endothelial cells showed disturbed cell-cell junctions and increased CYP26B1 and VEGFA expression upon RA exposure. Studies in rats showed increased plasma and tissue Vegfa concentrations and signs of bone marrow microhemorrhage on the first day of excess dietary vitamin A intake. Subsequently hypervitaminosis A rats displayed excess bone formation, fibrosis and an increased number of megakaryocytes in the bone marrow, which are known characteristics of Vegfa overexpression. This study supports the notion that the skeletal phenotype in CYP26B1 deficient human bone is caused by excess RA. Our findings suggest that an initial part of the vitamin A mechanism causing bone alterations is mediated by excess Vegfa and disturbed bone marrow microvessel integrity. Human CYP26B1 deficit and rat hypervitaminosis A phenocopy Vegf bone overexpression Hypervitaminosis A cause rapid microhemorrhage in rat bone marrow. Retinoic acid treatment disrupt cell-cell junction integrity between endothelial cells. Hypervitaminosis A have a persistent negative effect on rat bone marrow perfusion. Hypervitaminosis A rat bones resemble bones of patients with myelofibrotic disorders.
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Affiliation(s)
- Thomas Lind
- Department of Medical Sciences, Section of Clinical Pharmacogenomics and Osteoporosis, Uppsala University, University Hospital, SE-75185 Uppsala, Sweden
| | - Roberta Lugano
- Department of Immunology, Genetics and Pathology, Science for Life Laboratory, The Rudbeck Laboratory, Uppsala University, SE-75185 Uppsala, Sweden
| | - Ann-Marie Gustafson
- Department of Medical Sciences, Section of Clinical Pharmacogenomics and Osteoporosis, Uppsala University, University Hospital, SE-75185 Uppsala, Sweden
| | - Maria Norgård
- Division of Pathology, Department of Laboratory Medicine, Karolinska Institutet, Karolinska University Hospital, SE-14152 Huddinge, Sweden
| | - Arie van Haeringen
- Department of Human and Clinical Genetics, Leiden University Medical Center, 2333 ZA Leiden, the Netherlands
| | - Anna Dimberg
- Department of Immunology, Genetics and Pathology, Science for Life Laboratory, The Rudbeck Laboratory, Uppsala University, SE-75185 Uppsala, Sweden
| | - Håkan Melhus
- Department of Medical Sciences, Section of Clinical Pharmacogenomics and Osteoporosis, Uppsala University, University Hospital, SE-75185 Uppsala, Sweden
| | - Stephen P Robertson
- Department of Women's and Children's Health, Dunedin School of Medicine University of Otago, 9054 Dunedin, New Zealand
| | - Göran Andersson
- Division of Pathology, Department of Laboratory Medicine, Karolinska Institutet, Karolinska University Hospital, SE-14152 Huddinge, Sweden
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Mawson AR. Retinoids, race and the pathogenesis of dengue hemorrhagic fever. Med Hypotheses 2013; 81:1069-74. [PMID: 23999008 DOI: 10.1016/j.mehy.2013.08.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2013] [Accepted: 08/06/2013] [Indexed: 12/21/2022]
Abstract
Dengue hemorrhagic fever (DHF) is the most significant mosquito-borne viral disease worldwide in terms of illness, mortality and economic cost, but the pathogenesis of DHF is not well understood and there is no specific treatment or vaccine. Based on evidence of liver involvement, it is proposed that dengue virus and retinoids interact to cause cholestatic liver damage, resulting in the spillage of stored retinoids into the circulation and in an endogenous form of hypervitaminosisis A manifested by the signs and symptoms of the disease, including: fever, severe joint and bone pain, capillary leakage, thrombocytopenia, headache, and gastrointestinal symptoms. While retinoids in low concentration are essential for numerous biological functions, they are prooxidant, cytotoxic, mutagenic and teratogenic in higher concentration, especially when unbound to protein, and an endogenous form of vitamin A intoxication is recognized in cholestasis. The model tentatively explains the observations that 1) repeat infections are more severe than initial dengue virus infections; 2) the incidence of denue has increased dramatically worldwide in recent decades; 3) DHF is less prevalent in people of African ancestry than those of other racial backgrounds; and 4) infants are protected from dengue. The retinoid toxicity hypothesis of DHF predicts the co-existence of low serum concentrations of retinol coupled with high concentrations of retinoic acid and an increased percentage of retinyl esters to total vitamin A. Subject to such tests, it may be possible to treat DHF effectively using drugs that target the metabolism and expression of retinoids.
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Affiliation(s)
- Anthony R Mawson
- Health Policy and Management, School of Health Sciences, College of Public Service, Jackson State University, Jackson, MS 39213, United States.
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Wen JW, Hwang JT, Kelly GM. Reactive oxygen species and Wnt signalling crosstalk patterns mouse extraembryonic endoderm. Cell Signal 2012; 24:2337-48. [DOI: 10.1016/j.cellsig.2012.07.024] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2012] [Revised: 07/27/2012] [Accepted: 07/29/2012] [Indexed: 01/24/2023]
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Tiwari MD, Mehra S, Jadhav S, Bellare JR. All-trans retinoic acid loaded block copolymer nanoparticles efficiently induce cellular differentiation in HL-60 cells. Eur J Pharm Sci 2011; 44:643-52. [DOI: 10.1016/j.ejps.2011.10.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2011] [Revised: 10/18/2011] [Accepted: 10/21/2011] [Indexed: 12/11/2022]
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Dequalinium induces human leukemia cell death by affecting the redox balance. Leuk Res 2011; 35:1395-401. [PMID: 21477862 DOI: 10.1016/j.leukres.2011.03.012] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2010] [Revised: 02/23/2011] [Accepted: 03/09/2011] [Indexed: 12/29/2022]
Abstract
Dequalinium, an amphiphilic quinolinium derivative, selectively accumulates in mitochondria and displays anticancer activity in cells from different malignancies. Previous studies indicate a differential DQA-induced cytotoxicity in NB4 and K562 human leukemia cells as a consequence of an early disturbance in mitochondrial function. Results in this paper show that DQA induces a concentration-dependent oxidative stress by decreasing GSH level and increasing ROS in a cell type specific way. Inhibitors of the JNK and p38 stress regulated kinases potentiate DQA-induced NB4 cell death suggesting a protective function for these enzymes. K562 cells with relatively high GSH levels remained resistant to DQA action.
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