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Caceres NE, Aerts M, Marquez B, Mingeot-Leclercq MP, Tulkens PM, Devreese B, Van Bambeke F. Analysis of the membrane proteome of ciprofloxacin-resistant macrophages by stable isotope labeling with amino acids in cell culture (SILAC). PLoS One 2013; 8:e58285. [PMID: 23505477 PMCID: PMC3591400 DOI: 10.1371/journal.pone.0058285] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2012] [Accepted: 02/01/2013] [Indexed: 12/21/2022] Open
Abstract
Overexpression of multidrug transporters is a well-established mechanism of resistance to chemotherapy, but other changes may be co-selected upon exposure to drugs that contribute to resistance. Using a model of J774 macrophages made resistant to the fluoroquinolone antibiotic ciprofloxacin and comparing it with the wild-type parent cell line, we performed a quantitative proteomic analysis using the stable isotope labeling with amino acids in cell culture technology coupled with liquid chromatography electrospray ionization Fourier transform tandem mass spectrometry (LC-ESI-FT-MS/MS) on 2 samples enriched in membrane proteins (fractions F1 and F2 collected from discontinuous sucrose gradient). Nine hundred proteins were identified with at least 3 unique peptides in these 2 pooled fractions among which 61 (F1) and 69 (F2) showed a significantly modified abundance among the 2 cell lines. The multidrug resistance associated protein Abcc4, known as the ciprofloxacin efflux transporter in these cells, was the most upregulated, together with Dnajc3, a protein encoded by a gene located downstream of Abcc4. The other modulated proteins are involved in transport functions, cell adhesion and cytoskeleton organization, immune response, signal transduction, and metabolism. This indicates that the antibiotic ciprofloxacin is able to trigger a pleiotropic adaptative response in macrophages that includes the overexpression of its efflux transporter.
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Affiliation(s)
- Nancy E. Caceres
- Pharmacologie cellulaire et moléculaire, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
| | - Maarten Aerts
- Laboratorium voor Eiwitbiochemie en Biomoleculaire Engineering, Universiteit Gent, Belgium
| | - Béatrice Marquez
- Pharmacologie cellulaire et moléculaire, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
| | - Marie-Paule Mingeot-Leclercq
- Pharmacologie cellulaire et moléculaire, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
| | - Paul M. Tulkens
- Pharmacologie cellulaire et moléculaire, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
| | - Bart Devreese
- Laboratorium voor Eiwitbiochemie en Biomoleculaire Engineering, Universiteit Gent, Belgium
| | - Françoise Van Bambeke
- Pharmacologie cellulaire et moléculaire, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
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Marquez B, Ameye G, Vallet CM, Tulkens PM, Poirel HA, Van Bambeke F. Characterization of Abcc4 gene amplification in stepwise-selected mouse J774 macrophages resistant to the topoisomerase II inhibitor ciprofloxacin. PLoS One 2011; 6:e28368. [PMID: 22162766 PMCID: PMC3230599 DOI: 10.1371/journal.pone.0028368] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2011] [Accepted: 11/07/2011] [Indexed: 11/18/2022] Open
Abstract
Exposure of J774 mouse macrophages to stepwise increasing concentrations of ciprofloxacin, an antibiotic inhibiting bacterial topoisomerases, selects for resistant cells that overexpress the efflux transporter Abcc4 (Marquez et al. [2009] Antimicrob. Agents Chemother. 53: 2410-2416), encoded by the Abcc4 gene located on Chromosome 14qE4. In this study, we report the genomic alterations occurring along the selection process. Abcc4 expression progressively increased upon selection rounds, with exponential changes observed between cells exposed to 150 and 200 µM of ciprofloxacin, accompanied by a commensurate decrease in ciprofloxacin accumulation. Molecular cytogenetics experiments showed that this overexpression is linked to Abcc4 gene overrepresentation, grading from a partial trisomy of Chr 14 at the first step of selection (cells exposed to 100 µM ciprofloxacin), to low-level amplifications (around three copies) of Abcc4 locus on 1 or 2 Chr 14 (cells exposed to 150 µM ciprofloxacin), followed by high-level amplification of Abcc4 as homogeneous staining region (hsr), inserted on 3 different derivative Chromosomes (cells exposed to 200 µM ciprofloxacin). In revertant cells obtained after more than 60 passages of culture without drug, the Abcc4 hsr amplification was lost in approx. 70% of the population. These data suggest that exposing cells to sufficient concentrations of an antibiotic with low affinity for eukaryotic topoisomerases can cause major genomic alterations that may lead to the overexpression of the transporter responsible for its efflux. Gene amplification appears therefore as a mechanism of resistance that can be triggered by non-anticancer agents but contribute to cross-resistance, and is partially and slowly reversible.
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Affiliation(s)
- Béatrice Marquez
- Université catholique de Louvain, Louvain Drug Research Institute, Pharmacologie cellulaire et moléculaire, Brussels, Belgium
| | - Geneviève Ameye
- Université catholique de Louvain, Cliniques universitaires Saint-Luc, Centre de Génétique humaine, Brussels, Belgium
| | - Coralie M. Vallet
- Université catholique de Louvain, Louvain Drug Research Institute, Pharmacologie cellulaire et moléculaire, Brussels, Belgium
| | - Paul M. Tulkens
- Université catholique de Louvain, Louvain Drug Research Institute, Pharmacologie cellulaire et moléculaire, Brussels, Belgium
| | - Hélène A. Poirel
- Université catholique de Louvain, Cliniques universitaires Saint-Luc, Centre de Génétique humaine, Brussels, Belgium
| | - Françoise Van Bambeke
- Université catholique de Louvain, Louvain Drug Research Institute, Pharmacologie cellulaire et moléculaire, Brussels, Belgium
- * E-mail:
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3
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Pajic M, Iyer JK, Kersbergen A, van der Burg E, Nygren AOH, Jonkers J, Borst P, Rottenberg S. Moderate increase in Mdr1a/1b expression causes in vivo resistance to doxorubicin in a mouse model for hereditary breast cancer. Cancer Res 2009; 69:6396-404. [PMID: 19654309 DOI: 10.1158/0008-5472.can-09-0041] [Citation(s) in RCA: 79] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
We have found previously that acquired doxorubicin resistance in a genetically engineered mouse model for BRCA1-related breast cancer was associated with increased expression of the mouse multidrug resistance (Mdr1) genes, which encode the drug efflux transporter ATP-binding cassette B1/P-glycoprotein (P-gp). Here, we show that even moderate increases of Mdr1 expression (as low as 5-fold) are sufficient to cause doxorubicin resistance. These moderately elevated tumor P-gp levels are below those found in some normal tissues, such as the gut. The resistant phenotype could be completely reversed by the third-generation P-gp inhibitor tariquidar, which provides a useful strategy to circumvent this type of acquired doxorubicin resistance. The presence of MDR1A in drug-resistant tumors with a moderate increase in Mdr1a transcripts could be shown with a newly generated chicken antibody against a mouse P-gp peptide. Our data show the usefulness of realistic preclinical models to characterize levels of Mdr1 gene expression that are sufficient to cause resistance.
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MESH Headings
- ATP Binding Cassette Transporter, Subfamily B/antagonists & inhibitors
- ATP Binding Cassette Transporter, Subfamily B/genetics
- ATP Binding Cassette Transporter, Subfamily B/metabolism
- Animals
- Antibiotics, Antineoplastic/pharmacology
- Antibiotics, Antineoplastic/therapeutic use
- Breast Neoplasms/drug therapy
- Breast Neoplasms/genetics
- Breast Neoplasms/pathology
- Disease Models, Animal
- Doxorubicin/pharmacology
- Doxorubicin/therapeutic use
- Drug Resistance, Neoplasm/genetics
- Female
- Gene Expression Regulation, Neoplastic/physiology
- Genes, BRCA1
- Genes, p53
- Humans
- Mice
- Mice, Knockout
- Quinolines/pharmacology
- Tumor Burden
- Up-Regulation/physiology
- ATP-Binding Cassette Sub-Family B Member 4
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Affiliation(s)
- Marina Pajic
- Division of Molecular Biology and Centre for Biomedical Genetics, The Netherlands Cancer Institute, Amsterdam, The Netherlands
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Sugino H, Toyama T, Taguchi Y, Esumi S, Miyazaki M, Yagi T. Negative and positive effects of an IAP-LTR on nearby Pcdaα gene expression in the central nervous system and neuroblastoma cell lines. Gene 2004; 337:91-103. [PMID: 15276205 DOI: 10.1016/j.gene.2004.04.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2003] [Revised: 03/25/2004] [Accepted: 04/13/2004] [Indexed: 11/19/2022]
Abstract
Intracisternal A-particles (IAPs) are defective retrovirions encoded by members of a large family of endogenous proviral elements in the murine genome. An intact IAP element was found in the protocadherin alpha (Pcdhalpha) gene cluster of five laboratory mouse strains. However, IAP insertion was not detected in three wild mouse strains we investigated. This IAP insertion caused the disruption of one variable exon of laboratory mouse and down-regulated expression of the Pcdhalpha v8 exon, which is located just downstream of the IAP in the brain following the methylation of 5' regulatory region of Pcdhalpha v8. In contrast, the Pcdhalpha v8 exon was highly expressed in mouse neuroblastoma cell lines. This suggested that the IAP insertion activates the expression of the nearby Pcdhalpha v8 exon in these cell lines. In fact, the Pcdhalpha v8 exon expression was driven by the IAP-long terminal repeat (LTR) following the de-methylation of 5' regulatory region of Pcdhalpha v8. To investigate the promoter activity of the IAP, we constructed an IAP-LTR-ECFP reporter gene and introduced it into neuroblastoma, melanoma, lymphoma, and plasmacytoma cell lines. Interestingly, ECFP-positive cells were observed only in the neuroblastoma cell lines. Moreover, there were no differences in the promoter activities of the IAP-LTR whether it was in the sense or complimentary orientation. Thus, this IAP-LTR has negative and positive regulation on near by gene expression in the brain and neuroblastoma cell lines.
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MESH Headings
- Animals
- Base Sequence
- Cadherins/genetics
- Cell Line, Tumor
- Central Nervous System/metabolism
- Gene Expression Profiling
- Gene Expression Regulation
- Genes/genetics
- Genes, Intracisternal A-Particle/genetics
- Green Fluorescent Proteins
- Luminescent Proteins/genetics
- Luminescent Proteins/metabolism
- Male
- Mice
- Mice, Inbred BALB C
- Mice, Inbred C3H
- Mice, Inbred C57BL
- Mice, Inbred DBA
- Mice, Inbred Strains
- Microscopy, Fluorescence
- Molecular Sequence Data
- Mutagenesis, Insertional
- Neuroblastoma/genetics
- Neuroblastoma/pathology
- Promoter Regions, Genetic/genetics
- RNA, Messenger/genetics
- Recombinant Fusion Proteins/genetics
- Recombinant Fusion Proteins/metabolism
- Retroelements/genetics
- Reverse Transcriptase Polymerase Chain Reaction
- Sequence Homology, Nucleic Acid
- Species Specificity
- Terminal Repeat Sequences/genetics
- Time Factors
- Transfection
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Affiliation(s)
- Hidehiko Sugino
- KOKORO Biology Group, Laboratories for Integrated Biology, Graduate School of Frontier Biosciences, Osaka University, Yamadaoka 1-3, Suita 565-0871, Japan.
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5
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Nagayama J, Iino M, Tada Y, Kusaba H, Kiue A, Ohshima K, Kuwano M, Wada M. Retrovirus insertion and transcriptional activation of the multidrug-resistance gene in leukemias treated by a chemotherapeutic agent in vivo. Blood 2001; 97:759-66. [PMID: 11157495 DOI: 10.1182/blood.v97.3.759] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
To understand the molecular basis for multidrug-resistant (MDR) cancer cells in vivo, this study analyzed molecular changes of the mdr1a gene region in leukemia cells in mice during continuous treatment with vincristine. An inverse insertion of murine leukemia retrovirus (MuLV) into the 5'-flanking region of the mdr1a gene was found. This insertion was concomitantly accompanied by up-regulation of the mdr1a gene and the loss of chemosensitivity. Deletion of long-terminal repeat (LTR) sequences dramatically decreased the mdr1a promoter-driven reporter activity. The MuLV LTR insertion appears to exert its enhancer activity on mdr1a transcription during the appearance of MDR leukemia cells. Two mechanisms were postulated to explain the mdr1a gene activation by retrovirus insertion during in vivo chemotreatment: de novo insertion of MuLV induced by vincristine treatment and selection of a small fraction of pre-existing cells carrying MuLV insertion during vincristine treatment. No rearranged sequence was detected by polymerase chain reaction in parental cells. This result argued for the first mechanism. The randomly altered distribution of MuLV during repetitive chemotreatment might also be consistent with this hypothesis. On the other hand, the retrovirus insertion was detected at the same site of the mdr1a promoter region in 2 independent experiments, which suggests the second mechanism. It should be noted that in vivo chemotreatment using vincristine could generate the mdr1a-overexpressing cells through retrovirus insertion and the enhancer effect of the LTR.
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MESH Headings
- ATP Binding Cassette Transporter, Subfamily B/genetics
- ATP Binding Cassette Transporter, Subfamily B/metabolism
- ATP-Binding Cassette Transporters/genetics
- ATP-Binding Cassette Transporters/metabolism
- Animals
- Antineoplastic Agents, Phytogenic/therapeutic use
- Base Sequence
- Drug Resistance, Multiple
- Gene Rearrangement
- Genes, MDR
- Leukemia Virus, Murine/drug effects
- Leukemia Virus, Murine/genetics
- Leukemia, Experimental/drug therapy
- Leukemia, Experimental/genetics
- Leukemia, Experimental/metabolism
- Mice
- Molecular Sequence Data
- Mutagenesis, Insertional
- Promoter Regions, Genetic
- RNA, Messenger/biosynthesis
- Survival Analysis
- Terminal Repeat Sequences
- Transcriptional Activation
- Vincristine/therapeutic use
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Affiliation(s)
- J Nagayama
- Department of Medical Biochemistry, Graduate School of Medical Sciences, Kyushu University, Japan
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Vo QD, Gruol DJ. Identification of P-glycoprotein mutations causing a loss of steroid recognition and transport. J Biol Chem 1999; 274:20318-27. [PMID: 10400654 DOI: 10.1074/jbc.274.29.20318] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
P-glycoproteins transport a wide variety of hydrophobic compounds out of cells. While the diversity of transported molecules suggests a mechanism involving broad specificity, there is evidence of significant discrimination within given classes of molecules. One example of this behavior is transport of corticosteroids by the murine mdr1 P-glycoprotein. The presence of hydroxyl groups, associated with specific steroid carbon atoms, regulates the ability of corticosteroids to be transported. This specificity is demonstrated here by experiments measuring the ability of steroids to inhibit drug transport. The results indicate that a keto oxygen associated with the 3- and 20-carbon atoms, as well as a 17-carbon hydroxyl group, each acts to enhance steroidal P-glycoprotein inhibitory activity. Moreover, inhibitory steroids can be used for directed selection of variant cells, expressing mutated P-glycoproteins with a severely impaired ability to transport dexamethasone. The five mutations, reported here, are located within transmembrane domains 4-6, proximal to the cytoplasmic interface. The altered P-glycoproteins exhibit reduced capacity to be inhibited by specific steroids, suggesting decreased capacity to bind these molecules avidly. Studies comparing the relative inhibitory activity of a series of steroids indicate that these mutations alter recognition of the 17alpha-hydroxyl group and the 20-keto oxygen atom.
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Affiliation(s)
- Q D Vo
- Sidney Kimmel Cancer Center, San Diego, California 92121, USA
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Ishihara H, Tanaka I. Detection and cloning of unique integration sites of retrotransposon, intracisternal A-particle element in the genome of acute myeloid leukemia cells in mice. FEBS Lett 1997; 418:205-9. [PMID: 9414127 DOI: 10.1016/s0014-5793(97)01383-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
We previously found retrotransposition of the intracisternal A-particle (IAP) element in the genome of acute myeloid leukemia (AML) cells induced by X-irradiation of C3H/He mice (FEBS 16333). To analyze the occurrence of the IAP-mediated retrotransposition in AML cells, we compared integration sites of the IAP element by polymerase chain reaction (PCR) in the genomes of five AML strains derived from different C3H mice. Unique PCR products were found in all of the above independent leukemia cells, whereas no such products were detected in normal cells. Results of cloning, sequencing and Southern analyses showed that the PCR products were derived from novel integration sites of the IAP element in the genome. The data suggest that IAP-mediated retrotransposition occurs frequently in radiation-induced AML cells from C3H/He mice.
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Affiliation(s)
- H Ishihara
- The First Research Group, National Institute of Radiological Sciences, Chiba, Japan.
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8
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Jonkers J, Berns A. Retroviral insertional mutagenesis as a strategy to identify cancer genes. BIOCHIMICA ET BIOPHYSICA ACTA 1996; 1287:29-57. [PMID: 8639705 DOI: 10.1016/0304-419x(95)00020-g] [Citation(s) in RCA: 87] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- J Jonkers
- The Netherlands Cancer Institute, Division of Molecular Genetics, Amsterdam, Netherlands
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9
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Nagane M, Shibui S, Oyama H, Asai A, Kuchino Y, Nomura K. Investigation of chemoresistance-related genes mRNA expression for selecting anticancer agents in successful adjuvant chemotherapy for a case of recurrent glioblastoma. SURGICAL NEUROLOGY 1995; 44:462-8; discussion 468-70. [PMID: 8629231 DOI: 10.1016/0090-3019(95)00299-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Glioblastoma multiforme represents one of the most malignant forms of primary intracranial tumors, often intractable to multimodality of treatment including chemotherapy. The unsatisfactory results of chemotherapy are chiefly attributed to chemoresistance. Since various molecules that could confer drug resistance have been elucidated, screening of the amount of such molecules in the tumor cells could provide possibilities for predicting their chemoresistance beforehand and help select more effective drugs. METHODS We present a 45-year-old woman with recurrent glioblastoma multiforme in the cerebellum and invading the brain stem, treated successfully by postoperative chemotherapy. In this patient, anticancer drugs were determined by measurements of mRNA expression of chemoresistance-related genes, such as O6-methylguanine-DNA methyltransferase (MGMT), mdr1, glutathione S-transferase (GST)-pi, and metallothionein (MT) in the resected tumor. RESULTS Northern blot analysis demonstrated the moderate mRNA level of MGMT, a major molecule causing ACNU (1-(4-amino-2-methyl-5-pyrimidinyl)methyl-3-(2-chloroethyl)-3-nitroso ure a hydrochloride) resistance. On the other hand, expression levels of mdr1 which codes the P-glycoprotein responsible for multidrug resistance, and GST-pi, a detoxification enzyme, were low. Transcript of MT, another thiol containing molecule for cellular detoxification possibly associated with cisdiamminedichloroplatinum(II) (CDDP) resistance, was only faintly detectable. Postoperatively, the patient was treated initially with intravenous administration of ACNU and etoposide (VP16), resulting in a minor response of tumor regression. For maintenance therapy, we changed ACNU to CDDP according to the findings of the Northern blot analysis. Consequently, the residual tumor showed a marked response and almost disappeared after two courses of systemic chemotherapy with CDDP and VP16. CONCLUSIONS The successful tumor regression in this case suggests that Northern blot analysis on expression of these chemoresistance-related genes in tumor tissues could provide beneficial information for determination of optimal anticancer agents to improve the efficacy of chemotherapy.
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Affiliation(s)
- M Nagane
- Department of Neurosurgery, National Cancer Center Hospital, Tokyo, Japan
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