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Porquet F, Weidong L, Jehasse K, Gazon H, Kondili M, Blacher S, Massotte L, Di Valentin E, Furling D, Gillet NA, Klein AF, Seutin V, Willems L. Specific DMPK-promoter targeting by CRISPRi reverses myotonic dystrophy type 1-associated defects in patient muscle cells. MOLECULAR THERAPY. NUCLEIC ACIDS 2023; 32:857-871. [PMID: 37273786 PMCID: PMC10238591 DOI: 10.1016/j.omtn.2023.05.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Accepted: 05/10/2023] [Indexed: 06/06/2023]
Abstract
Myotonic dystrophy type 1 (DM1) is a neuromuscular disease that originates from an expansion of CTG microsatellites in the 3' untranslated region of the DMPK gene, thus leading to the expression of transcripts containing expanded CUG repeats (CUGexp). The pathophysiology is explained by a toxic RNA gain of function where CUGexp RNAs form nuclear aggregates that sequester and alter the function of MBNL splicing factors, triggering splicing misregulation linked to the DM1 symptoms. There is currently no cure for DM1, and most therapeutic strategies aim at eliminating CUGexp-DMPK transcripts. Here, we investigate a DMPK-promoter silencing strategy using CRISPR interference as a new alternative approach. Different sgRNAs targeting the DMPK promoter are evaluated in DM1 patient muscle cells. The most effective guides allowed us to reduce the level of DMPK transcripts and CUGexp-RNA aggregates up to 80%. The CUGexp-DMPK repression corrects the overall transcriptome, including spliceopathy, and reverses a physiological parameter in DM1 muscle cells. Its action is specific and restricted to the DMPK gene, as confirmed by genome-wide expression analysis. Altogether, our findings highlight DMPK-promoter silencing by CRISPRi as a promising therapeutic approach for DM1.
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Affiliation(s)
- Florent Porquet
- Laboratory of Molecular and Cellular Epigenetics, GIGA-Cancer, ULiège, 4000 Liège, Belgium
- Laboratory of Neurophysiology, GIGA-Neurosciences, ULiège, 4000 Liège, Belgium
- Sorbonne Université, INSERM, Institut de Myologie, Centre de Recherche en Myologie, 75013 Paris, France
| | - Lin Weidong
- Laboratory of Molecular and Cellular Epigenetics, GIGA-Cancer, ULiège, 4000 Liège, Belgium
| | - Kévin Jehasse
- Laboratory of Neurophysiology, GIGA-Neurosciences, ULiège, 4000 Liège, Belgium
| | - Hélène Gazon
- Laboratory of Molecular and Cellular Epigenetics, GIGA-Cancer, ULiège, 4000 Liège, Belgium
| | - Maria Kondili
- Sorbonne Université, INSERM, Institut de Myologie, Centre de Recherche en Myologie, 75013 Paris, France
| | - Silvia Blacher
- Laboratory of Biology of Tumor and Development, GIGA-Cancer, ULiège, 4000 Liège, Belgium
| | - Laurent Massotte
- Laboratory of Neurophysiology, GIGA-Neurosciences, ULiège, 4000 Liège, Belgium
| | | | - Denis Furling
- Sorbonne Université, INSERM, Institut de Myologie, Centre de Recherche en Myologie, 75013 Paris, France
| | - Nicolas Albert Gillet
- Namur Research Institute for Life Sciences (NARILIS), Integrated Veterinary Research Unit (URVI), University of Namur, 5000 Namur, Belgium
| | - Arnaud François Klein
- Sorbonne Université, INSERM, Institut de Myologie, Centre de Recherche en Myologie, 75013 Paris, France
| | - Vincent Seutin
- Laboratory of Neurophysiology, GIGA-Neurosciences, ULiège, 4000 Liège, Belgium
| | - Luc Willems
- Laboratory of Molecular and Cellular Epigenetics, GIGA-Cancer, ULiège, 4000 Liège, Belgium
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Diržiuvienė R, Šlekienė L, Palubinskienė J, Balnytė I, Lasienė K, Stakišaitis D, Valančiūtė A. Tumors derived from lung cancer cells respond differently to treatment with sodium valproate (a HDAC inhibitor) in a chicken embryo chorioallantoic membrane model. Histol Histopathol 2022; 37:1201-1212. [PMID: 35703146 DOI: 10.14670/hh-18-482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Lung cancer is the most frequent cause of cancer death. Some human lung malignant tumors have a combined small-cell lung cancer (SCLC) and non-small-cell lung cancer (NSCLC) histology, with tumor cell phenotype changing during tumor progression. Valproic acid is used as an anti-seizure medication to treat migraine, and bipolar mood disorders. Recently, its efficacy as an adjuvant therapy was shown in cancer due to its histone deacetylase (HDAC) inhibitory property. HDACs are upregulated in lung tumors, and HDAC inhibitors, including valproic acid, inhibit endothelial cell proliferation in vitro and in vivo and have antiproliferative and antimigratory properties. We tested valproic acid for possible antiangiogenic and antimigratory effects on experimental lung tumors grafted onto the chicken embryo chorioallantoic membrane (CAM). Tumors were formed from two NSCLC cell lines and a single SCLC cell line. To investigate tumor and CAM interactions, in vivo biomicroscopy, visualization of blood vessels with injected fluorescent dextran, histological, immunohistochemical and histomorphometric methods were applied. Our results showed that a sodium valproate (NaVP) treatment-induced a dose-dependent decrease of experimental tumor invasion into the CAM mesenchyme and a reduction in angiogenesis. Both the invasion and the angiogenic response were dependent on the type of cell line used: invasion and angiogenesis of tumors derived from A549 and NCI-H146 cell lines responded to increasing doses of NaVP from 4 to 8 mM, whereas Sk_Lu_1 cells response were antimigratory and antiangiogenic when NaVP was used up to 6 mM. When 8mM NaVP was used, stimulated invasion and angiogenesis in tumors from Sk_Lu_1 cells were observed.
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Affiliation(s)
- Raminta Diržiuvienė
- Department of Histology and Embryology, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania.
| | - Lina Šlekienė
- Department of Histology and Embryology, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Jolita Palubinskienė
- Department of Histology and Embryology, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Ingrida Balnytė
- Department of Histology and Embryology, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Kristina Lasienė
- Department of Histology and Embryology, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Donatas Stakišaitis
- Department of Histology and Embryology, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania.,Laboratory of Molecular Oncology, National Cancer Institute, Vilnius, Lithuania
| | - Angelija Valančiūtė
- Department of Histology and Embryology, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania
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Signatures of Co-Deregulated Genes and Their Transcriptional Regulators in Lung Cancer. Int J Mol Sci 2022; 23:ijms231810933. [PMID: 36142846 PMCID: PMC9504879 DOI: 10.3390/ijms231810933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 09/13/2022] [Indexed: 11/24/2022] Open
Abstract
Despite the significant progress made towards comprehending the deregulated signatures in lung cancer, these vary from study to study. We reanalyzed 25 studies from the Gene Expression Omnibus (GEO) to detect and annotate co-deregulated signatures in lung cancer and in single-gene or single-drug perturbation experiments. We aimed to decipher the networks that these co-deregulated genes (co-DEGs) form along with their upstream regulators. Differential expression and upstream regulators were computed using Characteristic Direction and Systems Biology tools, including GEO2Enrichr and X2K. Co-deregulated gene expression profiles were further validated across different molecular and immune subtypes in lung adenocarcinoma (TCGA-LUAD) and lung adenocarcinoma (TCGA-LUSC) datasets, as well as using immunohistochemistry data from the Human Protein Atlas, before being subjected to subsequent GO and KEGG enrichment analysis. The functional alterations of the co-upregulated genes in lung cancer were mostly related to immune response regulating the cell surface signaling pathway, in contrast to the co-downregulated genes, which were related to S-nitrosylation. Networks of hub proteins across the co-DEGs consisted of overlapping TFs (SOX2, MYC, KAT2A) and kinases (MAPK14, CSNK2A1 and CDKs). Furthermore, using Connectivity Map we highlighted putative repurposing drugs, including valproic acid, betonicine and astemizole. Similarly, we analyzed the co-DEG signatures in single-gene and single-drug perturbation experiments in lung cancer cell lines. In summary, we identified critical co-DEGs in lung cancer providing an innovative framework for their potential use in developing personalized therapeutic strategies.
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Ma C, Zhao J, Wu Y, Wang J, Wang H. Diagnostic value of abnormal chromosome 3p genes in small‑cell lung cancer. Oncol Lett 2022; 24:209. [PMID: 35720498 PMCID: PMC9185142 DOI: 10.3892/ol.2022.13330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 04/20/2022] [Indexed: 12/24/2022] Open
Abstract
The diagnosis of small cell lung carcinoma (SCLC) remains a great challenge. Changes in chromosome 3p (chr3) genes are usually observed in the pathogenesis of lung cancer, which suggests that these chr3 genes may be a diagnostic marker in the early stage of SCLC. The present study explored the diagnostic value of the chr3 gene in SCLC using Bioinformatics. Furthermore, reverse transcription-quantitative PCR (RT-qPCR) was used to reveal the expression patterns of diagnostic biomarkers in human pulmonary alveolar epithelial cells and in the SCLC cell line NCI-H146. A total of 33 differentially expressed (DE) chr3 genes and 1,156 module genes associated with clinical features of patients with SCLC were identified and functional enrichment analysis indicated that all these genes were significantly enriched in cell cycle terms. The area under the receiver operating characteristic curve demonstrated that the overlapping genes of the DE-chr3 and module genes, namely cell division cycle 25 A (CDC25A), FYVE and coiled-coil domain autophagy adaptor 1 (FYCO1) and lipid raft linker 1 (RFTN1), were relatively accurate in distinguishing normal from SCLC samples, and may thus be considered diagnostic biomarkers. CDC25A was overexpressed in SCLC samples, while FYCO1 and RFTN1 were highly expressed in normal samples, as evidenced by the RT-qPCR results. Single-gene gene set enrichment analysis suggested that the diagnostic biomarkers were significantly associated with cell cycle, ATP-binding cassette transporter, immune cell differentiation, immune response and multiple respiratory disease pathways. Furthermore, a total of 141 drugs were predicted by The Comparative Toxicogenomics Database to be able to modulate the expression of the diagnostic biomarkers, of which 8 drugs were shared among the three aforementioned diagnostic biomarkers. The present study identified three novel and powerful diagnostic biomarkers for SCLC based on chr3 genes. Suggestions for the development and selection of drugs for clinical treatment based on diagnostic biomarkers were also provided.
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Affiliation(s)
- Chunxu Ma
- Department of Nuclear Medicine, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650000, P.R. China
| | - Jihua Zhao
- Department of Nuclear Medicine, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650000, P.R. China
| | - Ying Wu
- Department of Nuclear Medicine, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650000, P.R. China
| | - Jun Wang
- College of Physical Education, Yunnan Agricultural University, Kunming, Yunnan 650201, P.R. China
| | - Hao Wang
- Department of Nuclear Medicine, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650000, P.R. China
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Biersack B. Alkylating anticancer agents and their relations to microRNAs. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2019; 2:1-17. [PMID: 35582140 PMCID: PMC9019174 DOI: 10.20517/cdr.2019.09] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2018] [Revised: 01/17/2019] [Accepted: 01/25/2019] [Indexed: 11/12/2022]
Abstract
Alkylating agents represent an important class of anticancer drugs. The occurrence and emergence of tumor resistance to the treatment with alkylating agents denotes a severe problem in the clinics. A detailed understanding of the mechanisms of activity of alkylating drugs is essential in order to overcome drug resistance. In particular, the role of non-coding microRNAs concerning alkylating drug activity and resistance in various cancers is highlighted in this review. Both synthetic and natural alkylating agents, which are approved for cancer therapy, are discussed concerning their interplay with microRNAs.
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Affiliation(s)
- Bernhard Biersack
- Organic Chemistry Laboratory, University of Bayreuth, Bayreuth 95440, Germany
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Šlekienė L, Stakišaitis D, Balnytė I, Valančiūtė A. Sodium Valproate Inhibits Small Cell Lung Cancer Tumor Growth on the Chicken Embryo Chorioallantoic Membrane and Reduces the p53 and EZH2 Expression. Dose Response 2018; 16:1559325818772486. [PMID: 29760602 PMCID: PMC5944146 DOI: 10.1177/1559325818772486] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Revised: 03/26/2018] [Accepted: 03/27/2018] [Indexed: 12/30/2022] Open
Abstract
The study aims to test the effect of different sodium valproate (NaVP) doses on small cell lung cancer NCI-H146 cells tumor in chicken embryo chorioallantoic membrane (CAM) model. Xenografts were investigated in the following groups: nontreated control and 5 groups treated with different NaVP doses (2, 3, 4, 6, and 8 mmol/L). Invasion of tumors into CAM in the nontreated group reached 76%. Tumors treated with 8 mmol/L NaVP doses significantly differed in tumor invasion frequency from the control and those treated with 2 mmol/L (P < .01). The calculated probability of 50% tumor noninvasion into CAM was when tumors were treated with 4 mmol/L of NaVP. Number of p53-positive cells in tumors was significantly reduced when treated with NaVP doses from 3 to 8 mmol/L as compared with control; number of EZH2-positive cells in control significantly differed from all NaVP-treated groups. No differences in p53- and EZH2-positive cell numbers were found among 4, 6, and 8 mmol/L NaVP-treated groups. Invaded tumors had an increased N-cadherin and reduced E-cadherin expression. The results indicate the increasing NaVP dose to be able to inhibit tumors progression. Expression of p53 and EZH2 may be promising target markers of therapeutic efficacy evaluation.
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Affiliation(s)
- Lina Šlekienė
- Department of Histology and Embryology, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Donatas Stakišaitis
- Department of Histology and Embryology, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania.,Laboratory of Molecular Oncology, National Cancer Institute, Vilnius, Lithuania
| | - Ingrida Balnytė
- Department of Histology and Embryology, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Angelija Valančiūtė
- Department of Histology and Embryology, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania
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Ochenduszko S, Wilk B, Dabrowska J, Herman-Sucharska I, Dubis A, Puskulluoglu M. Paraneoplastic limbic encephalitis in a patient with extensive disease small-cell lung cancer. Mol Clin Oncol 2017; 6:575-578. [PMID: 28413671 DOI: 10.3892/mco.2017.1162] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Accepted: 11/22/2016] [Indexed: 11/06/2022] Open
Abstract
Paraneoplastic limbic encephalitis (PLE) is a rare disorder infrequently accompanying malignancy, coexisting in ~50% of the cases with small-cell lung cancer (SCLC). The pathomechanism of PLE is considered to be immune-mediated, with production of specific anti-Hu antibodies and activation of T-cells directed against onconeural antigens present on both tumor cells and neurons. We herein report the case of a 50-year-old male patient who, prior to being diagnosed with SCLC, presented with typical symptoms of PLE (seizures, subacute cognitive dysfunction with severe memory impairment, anxiety and hallucinations). The initial brain magnetic resonance imaging examination revealed mild enlargement and hyperintensity of the hippocampal gyri bilaterally, with narrowed temporal horns of the lateral ventricles; the findings of the cerebrospinal fluid examination were compatible with the diagnosis of lymphocytic meningitis. Due to the suspected infectious origin of the disease, treatment with acyclovir and antibiotics was initially applied. However, following subsequent diagnosis of the underlying SCLC and the presence of antineuronal anti-Hu antibodies in the patient's serum, the diagnosis of PLE accompanying extensive-disease (ED) SCLC was confirmed. In addition to the standard cytotoxic therapy, throughout the course of his disease the patient also continued treatment with valproic acid (VPA) as prophylaxis for the initial seizures. VPA is known to be a potent histone deacetylase inhibitor that may reverse epigenetic changes in tumor cells and potentially improve the outcome of cancer patients. The patient succumbed to the disease 25 months after the diagnosis of malignancy; such a long course is observed in only ~5% of patients with ED SCLC. Therefore, it was hypothesized that the accompanying paraneoplasia and treatment with VPA may have improved the outcome in this patient.
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Affiliation(s)
| | - Bartosz Wilk
- Department of Oncology, Medical University of Silesia Hospital No. 7, Professor Leszek Giec Upper Silesian Medical Centre, 40-635 Katowice, Poland
| | - Joanna Dabrowska
- Department of Oncology, University Hospital in Krakow, 31-531 Krakow, Poland
| | | | - Anna Dubis
- Department of Electroradiology, Jagiellonian University Medical College, 31-126 Krakow, Poland
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8
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Choi KY, Kim YK. Plasticity-augmented psychotherapy for refractory depressive and anxiety disorders. Prog Neuropsychopharmacol Biol Psychiatry 2016; 70:134-47. [PMID: 27072378 DOI: 10.1016/j.pnpbp.2016.04.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Revised: 04/07/2016] [Accepted: 04/08/2016] [Indexed: 12/28/2022]
Abstract
Psychotherapy and pharmacotherapy have been the mainstays of treatment for depression and anxiety disorders during the last century. However, treatment response has not improved in the last few decades, with only half of all patients responding satisfactorily to typical antidepressants. To fulfill the needs of the remaining patients, new treatments with better efficacy are in demand. The addition of psychotherapy to antidepressant treatment has been shown to be superior to pharmacotherapy alone. However, the time costs of psychotherapy limit its use for clinicians and patients. Advancements in neuroscience have contributed to an improved understanding of the pathogenesis of depressive and anxiety disorders. In particular, recent advances in the field of fear conditioning have provided valuable insight into the treatment of refractory depressive and anxiety disorders. In this review, we studied the reconsolidation-updating paradigm and the concept of epigenetic modification, which has been shown to permanently attenuate remote fear memory. This has implications for drug-augmented, e.g. antidepressant and valproic acid, psychotherapy. Future research on more sophisticated psychotherapy techniques will increase the desirability of this treatment modality for both clinicians and patients.
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Affiliation(s)
- Kwang-Yeon Choi
- Department of Psychiatry, Korea University College of Medicine, Seoul, Republic of Korea
| | - Yong-Ku Kim
- Department of Psychiatry, Korea University College of Medicine, Seoul, Republic of Korea.
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Berghmans T, Lafitte JJ, Scherpereel A, Ameye L, Paesmans M, Meert AP, Colinet B, Tulippe C, Willems L, Leclercq N, Sculier JP. VAC chemotherapy with valproic acid for refractory/relapsing small cell lung cancer: a phase II study. ERJ Open Res 2015; 1:00029-2015. [PMID: 27730152 PMCID: PMC5005117 DOI: 10.1183/23120541.00029-2015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2015] [Accepted: 08/09/2015] [Indexed: 01/13/2023] Open
Abstract
Salvage chemotherapy (CT) for relapsing or refractory small cell lung cancer (SCLC) remains disappointing. In vitro experiments showed that valproic acid increases apoptosis of SCLC cell lines exposed to doxorubicin, vindesine and bis(2-chloroethyl)amine. The primary objective of this phase II study was to determine whether epigenetic modulation with valproic acid in addition to a doxorubicin, vindesine and cyclophosphamide (VAC) regimen improves 6-month progression-free survival (PFS). Patients with pathologically proven SCLC refractory to prior platinum derivatives and etoposide were eligible. After central registration, patients received VAC plus daily oral valproic acid. 64 patients were registered, of whom six were ineligible. Seven patients did not receive any CT, leaving 51 patients assessable for the primary end-point. The objective response rate was 19.6%. Median PFS was 2.8 months (95% CI 2.5–3.6 months) and 6-month PFS was 6%. Median survival time was 5.9 months (95% CI 4.7–7.5 months). Toxicity was mainly haematological, with 88% and 26% grade 3–4 neutropenia and thrombopenia, respectively. Despite an interesting response rate, the addition of valproic acid to VAC did not translate into adequate PFS in relapsing SCLC or SCLC refractory to platinum–etoposide. Epigenetic modulation with valproic acid does not improve CT efficacy in refractory SCLC after platinum–etoposidehttp://ow.ly/R0rBt
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Affiliation(s)
- Thierry Berghmans
- Department of Intensive Care Unit and Thoracic Oncology, Institut Jules Bordet, Centre des Tumeurs de l'Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Jean-Jacques Lafitte
- Department of Pulmonary and Thoracic Oncology, CHRU de Lille and University of Lille II, France
| | - Arnaud Scherpereel
- Department of Pulmonary and Thoracic Oncology, CHRU de Lille and University of Lille II, France
| | - Lieveke Ameye
- Data Centre, Institut Jules Bordet, Centre des Tumeurs de l'ULB, Brussels, Belgium
| | - Marianne Paesmans
- Data Centre, Institut Jules Bordet, Centre des Tumeurs de l'ULB, Brussels, Belgium
| | - Anne-Pascale Meert
- Department of Intensive Care Unit and Thoracic Oncology, Institut Jules Bordet, Centre des Tumeurs de l'Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Benoit Colinet
- Department of Pneumology, Grand Hôpital de Charleroi, Gilly, Belgium
| | | | - Luc Willems
- Gembloux Agro-Bio Tech and Interdisciplinary Cluster for Applied Genoproteomics (GIGA), University of Liège, Gembloux, Belgium
| | - Nathalie Leclercq
- Department of Intensive Care Unit and Thoracic Oncology, Institut Jules Bordet, Centre des Tumeurs de l'Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Jean-Paul Sculier
- Department of Intensive Care Unit and Thoracic Oncology, Institut Jules Bordet, Centre des Tumeurs de l'Université Libre de Bruxelles (ULB), Brussels, Belgium
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