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LIM Kinases, Promising but Reluctant Therapeutic Targets: Chemistry and Preclinical Validation In Vivo. Cells 2022; 11:cells11132090. [PMID: 35805176 PMCID: PMC9265711 DOI: 10.3390/cells11132090] [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: 06/14/2022] [Revised: 06/27/2022] [Accepted: 06/29/2022] [Indexed: 12/03/2022] Open
Abstract
LIM Kinases are important actors in the regulation of cytoskeleton dynamics by controlling microtubule and actin filament turnover. The signaling pathways involving LIM kinases for actin filament remodeling are well established. They are downstream effectors of small G proteins of the Rho-GTPases family and have become promising targets for the treatment of several major diseases because of their position at the lower end of these signaling cascades. Cofilin, which depolymerizes actin filaments, is the best-known substrate of these enzymes. The phosphorylation of cofilin to its inactive form by LIM kinases avoids actin filament depolymerization. The balance between phosphorylated and non-phosphorylated cofilin is thought to play an important role in tumor cell invasion and metastasis. Since 2006, many small molecules have been developed for LIMK inhibition, and in this review article, we will discuss the structure–activity relationships of the few inhibitor families that have been tested in vivo on different pathological models.
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Laisne MC, Michallet S, Lafanechère L. Characterization of Microtubule Destabilizing Drugs: A Quantitative Cell-Based Assay That Bridges the Gap between Tubulin Based- and Cytotoxicity Assays. Cancers (Basel) 2021; 13:cancers13205226. [PMID: 34680374 PMCID: PMC8533752 DOI: 10.3390/cancers13205226] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 10/13/2021] [Accepted: 10/15/2021] [Indexed: 12/14/2022] Open
Abstract
Simple Summary The characterization of new microtubule depolymerizing agents relies mainly on purified tubulin assays in vitro and on cytotoxicity tests. However, the relationship between the in vitro effects of drugs and their effect on cell viability may not be direct. Here, we have systematically compared the effect of four reference drugs on tubulin polymerization in vitro and in cells, using a recently-developed quantitative assay of the cellular microtubule content. By comparing these results with cell viability assays, we found that this new cellular microtubule content test better predicts cellular drug toxicity than the in vitro tubulin polymerization assay. This test can thus be easily implemented in the process of discovery and characterization of novel microtubule poisons. Abstract (1) Background: Microtubule depolymerizing agents (MDAs) are commonly used for cancer treatment. However, the therapeutic use of such microtubule inhibitors is limited by their toxicity and the emergence of resistance. Thus, there is still a sustained effort to develop new MDAs. During the characterization of such agents, mainly through in vitro analyses using purified tubulin and cytotoxicity assays, quantitative comparisons are mandatory. The relationship between the effect of the drugs on purified tubulin and on cell viability are not always direct. (2) Methods: We have recently developed a cell-based assay that quantifies the cellular microtubule content. In this study, we have conducted a systematic comparative analysis of the effect of four well-characterized MDAs on the kinetics of in vitro tubulin assembly, on the cellular microtubule content (using our recently developed assay) and on cell viability. (3) Conclusions: These assays gave complementary results. Additionally, we found that the drugs’ effect on in vitro tubulin polymerization is not completely predictive of their relative cytotoxicity. Their effect on the cellular microtubule content, however, is closely related to their effect on cell viability. In conclusion, the assay we have recently developed can bridge the gap between in vitro tubulin assays and cell viability assays.
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Rioux B, Pinon A, Gamond A, Martin F, Laurent A, Champavier Y, Barette C, Liagre B, Fagnère C, Sol V, Pouget C. Synthesis and biological evaluation of chalcone-polyamine conjugates as novel vectorized agents in colorectal and prostate cancer chemotherapy. Eur J Med Chem 2021; 222:113586. [PMID: 34116328 DOI: 10.1016/j.ejmech.2021.113586] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 05/24/2021] [Accepted: 05/24/2021] [Indexed: 12/27/2022]
Abstract
The aim of this study was to synthesize chalcone-polyamine conjugates in order to enhance bioavailability and selectivity of chalcone core towards cancer cells, using polyamine-based vectors. Indeed, it is well-known that polyamine transport system is upregulated in tumor cells. 3',4,4',5'-tetramethoxychalcone was selected as parent chalcone since it was found to be an efficient anti-proliferative agent on various cancer cells. A series of five chalcone-polyamine conjugates was obtained using the 4-bromopropyloxy-3',4',5'-trimethoxychalcone as a key intermediate. Chalcone core and polyamine tails were fused through an amine bond. These conjugates were found to possess a marked in vitro antiproliferative effect against colorectal (HT-29 and HCT-116) and prostate cancer (PC-3 and DU-145) cell lines. The most active conjugate (compound 8b) was then chosen for further biological evaluations to elucidate mechanisms responsible for its antiproliferative activity. Investigations on cell cycle distribution revealed that this conjugate can prevent the proliferation of human colorectal and prostate cancer cells by blocking the cell cycle at the G1 and G2 phase, respectively. Flow cytometry analysis revealed a sub-G1 peak, characteristic of apoptotic cell population and our inquiries highlighted apoptosis induction at early and later stages through several pro-apoptotic markers. Therefore, this chalcone-N1-spermidine conjugate could be considered as a promising agent for colon and prostatic cancer adjuvant therapy.
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Affiliation(s)
- Benjamin Rioux
- Université de Limoges, Laboratoire PEIRENE EA 7500, Faculté de Pharmacie, 2 Rue Du Dr Marcland, 87025, Limoges Cedex, France
| | - Aline Pinon
- Université de Limoges, Laboratoire PEIRENE EA 7500, Faculté de Pharmacie, 2 Rue Du Dr Marcland, 87025, Limoges Cedex, France
| | - Aurélie Gamond
- Université de Limoges, Laboratoire PEIRENE EA 7500, Faculté de Pharmacie, 2 Rue Du Dr Marcland, 87025, Limoges Cedex, France
| | - Frédérique Martin
- Université de Limoges, Laboratoire PEIRENE EA 7500, Faculté de Pharmacie, 2 Rue Du Dr Marcland, 87025, Limoges Cedex, France
| | - Aurélie Laurent
- Université de Limoges, Laboratoire PEIRENE EA 7500, Faculté de Pharmacie, 2 Rue Du Dr Marcland, 87025, Limoges Cedex, France
| | - Yves Champavier
- Université de Limoges, Laboratoire PEIRENE EA 7500, Faculté de Pharmacie, 2 Rue Du Dr Marcland, 87025, Limoges Cedex, France; Université de Limoges, BISCEm NMR Platform, GEIST, 2 Rue Du Dr Marcland, 87025, Limoges Cedex, France
| | - Caroline Barette
- Université Grenoble Alpes, CEA, INSERM, IRIG, BGE U1038, Genetics & Chemogenomics, 17 Avenue des Martyrs, Grenoble, 38054, France
| | - Bertrand Liagre
- Université de Limoges, Laboratoire PEIRENE EA 7500, Faculté de Pharmacie, 2 Rue Du Dr Marcland, 87025, Limoges Cedex, France
| | - Catherine Fagnère
- Université de Limoges, Laboratoire PEIRENE EA 7500, Faculté de Pharmacie, 2 Rue Du Dr Marcland, 87025, Limoges Cedex, France
| | - Vincent Sol
- Université de Limoges, Laboratoire PEIRENE EA 7500, Faculté de Pharmacie, 2 Rue Du Dr Marcland, 87025, Limoges Cedex, France
| | - Christelle Pouget
- Université de Limoges, Laboratoire PEIRENE EA 7500, Faculté de Pharmacie, 2 Rue Du Dr Marcland, 87025, Limoges Cedex, France.
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4
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Faouzi A, Arnaud A, Bancet A, Barette C, Preto J, Do CV, Jordheim LP, Bousfiha Z, Nguyen TTB, Verrière M, Farce A, Fauvarque MO, Barret R, Lomberget T. Combretastatin A-4 sulfur-containing heterocyclic derivatives: Synthesis, antiproliferative activities and molecular docking studies. Eur J Med Chem 2021; 215:113275. [PMID: 33618157 DOI: 10.1016/j.ejmech.2021.113275] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 01/30/2021] [Accepted: 01/31/2021] [Indexed: 12/24/2022]
Abstract
Combretastatin A-4 inspired heterocyclic derivatives were synthesized and evaluated for their biological activities on tubulin polymerization and cell proliferation. Among the 19 described sulfur-containing compounds, derivatives (Z)-4h and (Z)-4j exhibited interesting in cellulo tubulin polymerization inhibition and antiproliferative activities with IC50 values for six different cell lines between 8 and 27 nM. Furthermore, in silico docking studies within the colchicine/CA-4 binding site of tubulin were carried out to understand the interactions of our products with the protein target. The effects on the cell cycle of follicular lymphoma cells were also investigated at 1-10 nM concentrations showing that apoptotic processes occurred.
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Affiliation(s)
- Abdelfattah Faouzi
- Université de Lyon, Université Lyon 1, Faculté de Pharmacie, ISPB, EA 4446 Bioactive Molecules and Medicinal Chemistry, SFR Santé Lyon-Est CNRS UMS3453, INSERM US7, F-69373, Lyon Cedex 08, France; Present Address: Center for Clinical Pharmacology, St. Louis College of Pharmacy and Washington University School of Medicine, St. Louis, MO, USA
| | - Alexandre Arnaud
- Université de Lyon, Université Lyon 1, Faculté de Pharmacie, ISPB, EA 4446 Bioactive Molecules and Medicinal Chemistry, SFR Santé Lyon-Est CNRS UMS3453, INSERM US7, F-69373, Lyon Cedex 08, France
| | - Alexandre Bancet
- Université de Lyon, Université Lyon 1, Faculté de Pharmacie, ISPB, EA 4446 Bioactive Molecules and Medicinal Chemistry, SFR Santé Lyon-Est CNRS UMS3453, INSERM US7, F-69373, Lyon Cedex 08, France
| | - Caroline Barette
- Univ. Grenoble Alpes, CEA, Inserm, BGE U1038, 38000, Grenoble, France
| | - Jordane Preto
- Université de Lyon, Université Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de Recherche en Cancérologie de Lyon, Lyon, 69008, France
| | - Cong Viet Do
- Université de Lyon, Université Lyon 1, Faculté de Pharmacie, ISPB, EA 4446 Bioactive Molecules and Medicinal Chemistry, SFR Santé Lyon-Est CNRS UMS3453, INSERM US7, F-69373, Lyon Cedex 08, France; University of Science and Technology of HanoÏ USTH, 18 Hoang Quoc Viet, Hanoi, 100000, Viet Nam; Present Address: Faculty of Pharmacy, Dai Nam University, 56 Vu Trong Phung, Hanoi, Viet Nam
| | - Lars Petter Jordheim
- Université de Lyon, Université Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de Recherche en Cancérologie de Lyon, Lyon, 69008, France
| | - Zineb Bousfiha
- Université de Lyon, Université Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de Recherche en Cancérologie de Lyon, Lyon, 69008, France
| | - Thi Thanh Binh Nguyen
- Université de Lyon, Université Lyon 1, Faculté de Pharmacie, ISPB, EA 4446 Bioactive Molecules and Medicinal Chemistry, SFR Santé Lyon-Est CNRS UMS3453, INSERM US7, F-69373, Lyon Cedex 08, France; Present Address: VNU School of Medicine and Pharmacy, 144 Xuan Thuy, Cau Giay, Hanoi, 100000, Viet Nam
| | - Marion Verrière
- Université de Lyon, Université Lyon 1, Faculté de Pharmacie, ISPB, EA 4446 Bioactive Molecules and Medicinal Chemistry, SFR Santé Lyon-Est CNRS UMS3453, INSERM US7, F-69373, Lyon Cedex 08, France
| | - Amaury Farce
- Université de Lille, Inserm, CHU Lille, U995, LIRIC, Lille Inflammation Research International Center, F-59006 Lille Cedex, France
| | | | - Roland Barret
- Université de Lyon, Université Lyon 1, Faculté de Pharmacie, ISPB, EA 4446 Bioactive Molecules and Medicinal Chemistry, SFR Santé Lyon-Est CNRS UMS3453, INSERM US7, F-69373, Lyon Cedex 08, France
| | - Thierry Lomberget
- Université de Lyon, Université Lyon 1, Faculté de Pharmacie, ISPB, EA 4446 Bioactive Molecules and Medicinal Chemistry, SFR Santé Lyon-Est CNRS UMS3453, INSERM US7, F-69373, Lyon Cedex 08, France; Université de Lyon, Université Lyon 1, CNRS UMR 5246 Institut de Chimie et Biochimie Moléculaires et Supramoléculaires (ICBMS), Faculté de Pharmacie, ISPB, 8, Avenue Rockefeller, F-69373, Lyon, Cedex 08, France.
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Ramirez-Rios S, Michallet S, Peris L, Barette C, Rabat C, Feng Y, Fauvarque MO, Andrieux A, Sadoul K, Lafanechère L. A New Quantitative Cell-Based Assay Reveals Unexpected Microtubule Stabilizing Activity of Certain Kinase Inhibitors, Clinically Approved or in the Process of Approval. Front Pharmacol 2020; 11:543. [PMID: 32425788 PMCID: PMC7204994 DOI: 10.3389/fphar.2020.00543] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 04/09/2020] [Indexed: 12/14/2022] Open
Abstract
Agents able to modify microtubule dynamics are important anticancer drugs. The absence of microtubules resulting from drug-induced depolymerization is easy to detect. However the detection of a stabilized microtubule network needs specific assays since there is not a significant visual difference between normal and stabilized microtubule networks. Here, we describe a quantitative cell-based assay, suitable for automation, which allows the detection of stabilized microtubules without the need of microscopic examination. The rationale of this assay is based on the drug-induced resistance of the microtubule network to the depolymerizing agent combretastatin A4 and the subsequent detection of the residual microtubules by immunoluminescence. Using this assay to screen a kinase inhibitor library allowed the selection of seven known kinase inhibitors: selonsertib, masatinib, intedanib, PF0477736, SNS-314 mesylate, MPI0479605, and ponatinib. The yet undescribed ability of these inhibitors to stabilize cellular microtubules was confirmed using additional markers of stable microtubules and time-lapse video-microscopy to track individual microtubules in living cells. None of the compounds interacted, however, directly with tubulin. By employing other inhibitors of the same kinases, which have structurally unrelated scaffolds, we determined if the microtubule stabilizing effect was due to the inhibition of the targeted kinase, or to an off-target effect. Many of these inhibitors are clinically approved or currently assayed in phase 2 or phase 3 clinical trials. Their microtubule-stabilizing effect may account for their therapeutic effect as well as for some of their adverse side effects. These results indicate also a possible repurposing of some of these drugs.
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Affiliation(s)
- Sacnicte Ramirez-Rios
- Institute for Advanced Biosciences, Team Regulation and Pharmacology of the Cytoskeleton, INSERM U1209, CNRS UMR5309, Université Grenoble Alpes, Grenoble, France
| | - Sophie Michallet
- Institute for Advanced Biosciences, Team Regulation and Pharmacology of the Cytoskeleton, INSERM U1209, CNRS UMR5309, Université Grenoble Alpes, Grenoble, France
| | - Leticia Peris
- Grenoble Institute of Neurosciences, INSERM U1216, Université Grenoble Alpes, CEA, Grenoble, France
| | - Caroline Barette
- Univ. Grenoble Alpes, CEA, INSERM, IRIG, BGE, Genetics and Chemogenomics, Grenoble, France
| | - Clotilde Rabat
- Institute for Advanced Biosciences, Team Regulation and Pharmacology of the Cytoskeleton, INSERM U1209, CNRS UMR5309, Université Grenoble Alpes, Grenoble, France
| | - Yangbo Feng
- Reaction Biology Corporation, Malvern, PA, United States
| | - Marie-Odile Fauvarque
- Univ. Grenoble Alpes, CEA, INSERM, IRIG, BGE, Genetics and Chemogenomics, Grenoble, France
| | - Annie Andrieux
- Grenoble Institute of Neurosciences, INSERM U1216, Université Grenoble Alpes, CEA, Grenoble, France
| | - Karin Sadoul
- Institute for Advanced Biosciences, Team Regulation and Pharmacology of the Cytoskeleton, INSERM U1209, CNRS UMR5309, Université Grenoble Alpes, Grenoble, France
| | - Laurence Lafanechère
- Institute for Advanced Biosciences, Team Regulation and Pharmacology of the Cytoskeleton, INSERM U1209, CNRS UMR5309, Université Grenoble Alpes, Grenoble, France
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6
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Zefirova ON, Nurieva EV, Wobith B, Schulz S, Zefirov NA, Kuznetsov SA. Novel colchicine conjugate with unusual effect on the microtubules of cancer cells. PURE APPL CHEM 2020. [DOI: 10.1515/pac-2019-1215] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Colchicine derivative bearing substituted bispidine moiety, namely N-{7-(3,7-Di-(tert-butoxycarbonyl)-1,5-dimethyl-3,7-diazabicyclo[3.3.1]nonan-9-yl)-oxy-7-oxoheptanoyl}-N-deacetylcolchicine, was synthesized and tested for its effect on the net of microtubules (MT) in lung cancer cells A549. The compound induced not only MT depolymerization but stimulated the formation of small tubulin aggregates and long tubulin fibrils localized mainly around nuclei. The assemblies were morphologically different from tubulin clusters induced by structurally related anticancer agent tubuloclustin. The biotests data demonstrate that the depolymerization takes place for both pure tubulin and tubulin in cellulo, while fibrils are formed only in the cells. The research data of structure–activity relationship for several similar colchicine derivatives synthesized in the work give evidence for the proposition that the initial conjugate may interact not only with tubulin and MT in the cells, but also with MT-associated proteins, involved in the process of tubulin polymerization. The ability to affect simultaneously MAP – tubulin interactions opens attractive prospects in the design of novel anticancer agents.
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Affiliation(s)
- Olga N. Zefirova
- Department of Chemistry , Lomonosov Moscow State University , 119992 Moscow , Russian Federation
- Institute of Physiologically active compounds, Russian Academy of Sciences , 142432 Chernogolovka, Noginsk Area , Moscow Region , Russian Federation , Tel.: +74959391243
| | - Evgenia V. Nurieva
- Department of Chemistry , Lomonosov Moscow State University , 119992 Moscow , Russian Federation
| | - Birgit Wobith
- Institute of Biological Sciences, University of Rostock , D-18059 Rostock , Germany
| | - Svetlana Schulz
- Institute of Biological Sciences, University of Rostock , D-18059 Rostock , Germany
| | - Nikolay A. Zefirov
- Department of Chemistry , Lomonosov Moscow State University , 119992 Moscow , Russian Federation
- Institute of Physiologically active compounds, Russian Academy of Sciences , 142432 Chernogolovka, Noginsk Area , Moscow Region , Russian Federation
| | - Sergei A. Kuznetsov
- Institute of Biological Sciences, University of Rostock , D-18059 Rostock , Germany
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Prunier C, Prudent R, Kapur R, Sadoul K, Lafanechère L. LIM kinases: cofilin and beyond. Oncotarget 2018; 8:41749-41763. [PMID: 28445157 PMCID: PMC5522193 DOI: 10.18632/oncotarget.16978] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2017] [Accepted: 03/10/2017] [Indexed: 11/25/2022] Open
Abstract
LIM kinases are common downstream effectors of several signalization pathways and function as a signaling node that controls cytoskeleton dynamics through the phosphorylation of the cofilin family proteins. These last 10 years, several reports indicate that the functions of LIM kinases are more extended than initially described and, specifically, that LIM kinases also control microtubule dynamics, independently of their regulation of actin microfilament. In this review we analyze the data supporting these conclusions and the possible mechanisms that could be involved in the control of microtubules by LIM kinases. The demonstration that LIM kinases also control microtubule dynamics has pointed to new therapeutic opportunities. Consistently, several new LIM kinase inhibitors have been recently developed. We provide a comprehensive comparison of these inhibitors, of their chemical structure, their specificity, their cellular effects as well as their effects in animal models of various diseases including cancer.
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Affiliation(s)
- Chloé Prunier
- Institute for Advanced Biosciences, INSERM, CNRS UMR, Université Grenoble Alpes, Grenoble, France.,Department of Molecular Cell Biology, Leiden University Medical Center, Leiden, The Netherlands
| | | | - Reuben Kapur
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Karin Sadoul
- Institute for Advanced Biosciences, INSERM, CNRS UMR, Université Grenoble Alpes, Grenoble, France
| | - Laurence Lafanechère
- Institute for Advanced Biosciences, INSERM, CNRS UMR, Université Grenoble Alpes, Grenoble, France
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8
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Berges N, Arens K, Kreusch V, Fischer R, Di Fiore S. Toward Discovery of Novel Microtubule Targeting Agents: A SNAP-tag-Based High-Content Screening Assay for the Analysis of Microtubule Dynamics and Cell Cycle Progression. SLAS DISCOVERY 2017; 22:387-398. [PMID: 28328318 DOI: 10.1177/2472555216685518] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Microtubule targeting agents (MTAs) are used for the treatment of cancer. Novel MTAs could provide additional and beneficial therapeutic options. To improve the sensitivity and throughput of standard immunofluorescence assays for the characterization of MTAs, we used SNAP-tag technology to produce recombinant tubulin monomers. To visualize microtubule filaments, A549 cells transfected with SNAP-tubulin were stained with a membrane-permeable, SNAP-reactive dye. The treatment of SNAP-tubulin cells with stabilizing MTAs such as paclitaxel resulted in the formation of coarsely structured microtubule filaments, whereas depolymerizing MTAs such as nocodazole resulted in diffuse staining patterns in which the tubulin filaments were no longer distinguishable. By combining these components with automated microscopy and image analysis algorithms, we established a robust high-content screening assay for MTAs with a Z' factor of 0.7. Proof of principle was achieved by testing a panel of 10 substances, allowing us to identify MTAs and to distinguish between stabilizing and destabilizing modes of action. By extending the treatment of the cells from 2 to 20 h, our assay also detected abnormalities in cell cycle progression and in the formation of microtubule spindles, providing additional readouts for the discovery of new MTAs and facilitating their early identification during drug-screening campaigns.
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Affiliation(s)
- Nina Berges
- 1 Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Division Molecular Biology Aachen, Germany
| | - Katharina Arens
- 1 Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Division Molecular Biology Aachen, Germany.,Paul-Ehrlich-Institute, Federal Institute for Vaccines and Biomedicines, Langen, Germany
| | - Verena Kreusch
- 1 Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Division Molecular Biology Aachen, Germany
| | - Rainer Fischer
- 1 Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Division Molecular Biology Aachen, Germany.,2 Institute for Molecular Biotechnology (Biology VII), RWTH Aachen University, Aachen, Germany
| | - Stefano Di Fiore
- 1 Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Division Molecular Biology Aachen, Germany
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9
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Do CV, Faouzi A, Barette C, Farce A, Fauvarque MO, Colomb E, Catry L, Berthier-Vergnes O, Haftek M, Barret R, Lomberget T. Synthesis and biological evaluation of thiophene and benzo[b]thiophene analogs of combretastatin A-4 and isocombretastatin A-4: A comparison between the linkage positions of the 3,4,5-trimethoxystyrene unit. Bioorg Med Chem Lett 2016; 26:174-80. [DOI: 10.1016/j.bmcl.2015.11.010] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Revised: 11/03/2015] [Accepted: 11/04/2015] [Indexed: 02/02/2023]
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10
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Barette C, Soleilhac E, Charavay C, Cochet C, Fauvarque MO. [Strength and specificity of the CMBA screening platform for bioactive molecules discovery]. Med Sci (Paris) 2015; 31:423-31. [PMID: 25958761 DOI: 10.1051/medsci/20153104017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Used as powerful chemical probes in Life science fundamental research, the application potential of new bioactive molecular entities includes but extends beyond their development as therapeutic drugs in pharmacology. In this review, we wish to point out the methodology of chemical libraries screening on living cells or purified proteins at the CMBA academic platform of Grenoble Alpes University, and strategies employed to further characterize the selected bioactive molecules by phenotypic profiling on human cells. Multiple application fields are concerned by the screening activity developed at CMBA with bioactive molecules previously selected for their potential as tools for fundamental research purpose, therapeutic candidates to treat cancer or infection, or promising compounds for production of bioenergy.
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Affiliation(s)
- Caroline Barette
- Université Grenoble Alpes ; CEA-Direction des sciences du vivant, Institut de recherches en technologies et sciences pour le vivant, iRTSV-BGE-CMBA, CEA-Grenoble; Inserm UMRS_1038, 17, rue des Martyrs, 38054 Grenoble Cedex 9, France
| | - Emmanuelle Soleilhac
- Université Grenoble Alpes ; CEA-Direction des sciences du vivant, Institut de recherches en technologies et sciences pour le vivant, iRTSV-BGE-CMBA, CEA-Grenoble; Inserm UMRS_1038, 17, rue des Martyrs, 38054 Grenoble Cedex 9, France
| | - Céline Charavay
- Université Grenoble Alpes ; CEA-Direction des sciences du vivant, Institut de recherches en technologies et sciences pour le vivant, iRTSV-BGE-CMBA, CEA-Grenoble; Inserm UMRS_1038, 17, rue des Martyrs, 38054 Grenoble Cedex 9, France
| | - Claude Cochet
- Université Grenoble Alpes ; CEA-Direction des sciences du vivant, Institut de recherches en technologies et sciences pour le vivant, BCI ; Inserm UMRS_1036, iRTSV-BCI-KIN, CEA-Grenoble, 17 rue des Martyrs, 38054 Grenoble Cedex 9, France
| | - Marie-Odile Fauvarque
- Université Grenoble Alpes ; CEA-Direction des sciences du vivant, Institut de recherches en technologies et sciences pour le vivant, iRTSV-BGE-CMBA, CEA-Grenoble; Inserm UMRS_1038, 17, rue des Martyrs, 38054 Grenoble Cedex 9, France
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Caraus I, Alsuwailem AA, Nadon R, Makarenkov V. Detecting and overcoming systematic bias in high-throughput screening technologies: a comprehensive review of practical issues and methodological solutions. Brief Bioinform 2015; 16:974-86. [DOI: 10.1093/bib/bbv004] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Indexed: 11/13/2022] Open
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12
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Murie C, Barette C, Button J, Lafanechère L, Nadon R. Improving Detection of Rare Biological Events in High-Throughput Screens. ACTA ACUST UNITED AC 2014; 20:230-41. [DOI: 10.1177/1087057114548853] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The success of high-throughput screening (HTS) strategies depends on the effectiveness of both normalization methods and study design. We report comparisons among normalization methods in two titration series experiments. We also extend the results in a third experiment with two differently designed but otherwise identical screens: compounds in replicate plates were either placed in the same well locations or were randomly assigned to different locations. Best results were obtained when randomization was combined with normalization methods that corrected for within-plate spatial bias. We conclude that potent, reliable, and accurate HTS requires replication, randomization design strategies, and more extensive normalization than is typically done and that formal statistical testing is desirable. The Statistics and dIagnostic Graphs for HTS (SIGHTS) Microsoft Excel Add-In software is available to conduct most analyses reported here.
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Affiliation(s)
- Carl Murie
- McGill University and Genome Quebec Innovation Centre, Montreal, Quebec, Canada
- Department of Human Genetics, McGill University, Montreal, Quebec, Canada
| | - Caroline Barette
- Equipe Criblage pour des Molécules Bio-Actives (CMBA), U1038 INSERM/CEA/UJF, CEA Grenoble, Grenoble Cedex 09, France
| | - Jennifer Button
- McGill University and Genome Quebec Innovation Centre, Montreal, Quebec, Canada
| | - Laurence Lafanechère
- Equipe Criblage pour des Molécules Bio-Actives (CMBA), U1038 INSERM/CEA/UJF, CEA Grenoble, Grenoble Cedex 09, France
- Institut Albert Bonniot, CRI INSERM/UJF U823, Team 3 “Polarity, Development and Cancer,” Rond-point de la Chantourne, La Tronche Cedex, France
| | - Robert Nadon
- McGill University and Genome Quebec Innovation Centre, Montreal, Quebec, Canada
- Department of Human Genetics, McGill University, Montreal, Quebec, Canada
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Prudent R, Soleilhac E, Barette C, Fauvarque MO, Lafanechère L. Les criblages phénotypiques ou comment faire d’une pierre deux coups. Med Sci (Paris) 2013; 29:897-905. [DOI: 10.1051/medsci/20132910018] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Renaud Prudent
- Institut Albert Bonniot, CRI Inserm/Université Joseph Fourier (UJF) U823, équipe 3 Polarité, développement et cancer, rond-point de la Chantourne, 38706 La Tronche Cedex, France
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14
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Prudent R, Vassal-Stermann É, Nguyen CH, Mollaret M, Viallet J, Desroches-Castan A, Martinez A, Barette C, Pillet C, Valdameri G, Soleilhac E, Di Pietro A, Feige JJ, Billaud M, Florent JC, Lafanechère L. Azaindole derivatives are inhibitors of microtubule dynamics, with anti-cancer and anti-angiogenic activities. Br J Pharmacol 2013; 168:673-85. [PMID: 23004938 DOI: 10.1111/j.1476-5381.2012.02230.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2012] [Revised: 07/20/2012] [Accepted: 08/10/2012] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND AND PURPOSE Drugs targeting microtubules are commonly used for cancer treatment. However, the potency of microtubule inhibitors used clinically is limited by the emergence of resistance. We thus designed a strategy to find new cell-permeable microtubule-targeting agents. EXPERIMENTAL APPROACH Using a cell-based assay designed to probe for microtubule polymerization status, we screened a chemical library and identified two azaindole derivatives, CM01 and CM02, as cell-permeable microtubule-depolymerizing agents. The mechanism of the anti-tumour effects of these two compounds was further investigated both in vivo and in vitro. KEY RESULTS CM01 and CM02 induced G2/M cell cycle arrest and exerted potent cytostatic effects on several cancer cell lines including multidrug-resistant (MDR) cell lines. In vitro experiments revealed that the azaindole derivatives inhibited tubulin polymerization and competed with colchicines for this effect, strongly indicating that tubulin is the cellular target of these azaindole derivatives. In vivo experiments, using a chicken chorioallantoic xenograft tumour assay, established that these compounds exert a potent anti-tumour effect. Furthermore, an assay probing the growth of vessels out of endothelial cell spheroids showed that CM01 and CM02 exert anti-angiogenic activities. CONCLUSIONS AND IMPLICATIONS CM01 and CM02 are reversible microtubule-depolymerizing agents that exert potent cytostatic effects on human cancer cells of diverse origins, including MDR cells. They were also shown to inhibit angiogenesis and tumour growth in chorioallantoic breast cancer xenografts. Hence, these azaindole derivatives are attractive candidates for further preclinical investigations.
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Affiliation(s)
- Renaud Prudent
- Institut Albert Bonniot, CRI INSERM/UJF U823, La Tronche Cedex, France
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15
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Florent JC. [Small compounds libraries: a research tool for chemical biology]. Biol Aujourdhui 2013; 207:39-54. [PMID: 23694724 DOI: 10.1051/jbio/2013006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2013] [Indexed: 06/02/2023]
Abstract
Obtaining and screening collections of small molecules remain a challenge for biologists. Recent advances in analytical techniques and instrumentation now make screening possible in academia. The history of the creation of such public or commercial collections and their accessibility is related. It shows that there is interest for an academic laboratory involved in medicinal chemistry, chemogenomics or "chemical biology" to organize its own collection and make it available through existing networks such as the French National chimiothèque or the European partner network "European Infrastructure of open screening platforms for Chemical Biology" EU-OpenScreen under construction.
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Affiliation(s)
- Jean-Claude Florent
- Laboratoire de Conception, Synthèse et Vectorisation de Biomolécules (CSVB), UMR 176 CNRS-Institut Curie, Institut Curie Centre de Recherche, 75248 Paris Cedex, France.
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16
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Oz S, Ivashko-Pachima Y, Gozes I. The ADNP derived peptide, NAP modulates the tubulin pool: implication for neurotrophic and neuroprotective activities. PLoS One 2012; 7:e51458. [PMID: 23272107 PMCID: PMC3522725 DOI: 10.1371/journal.pone.0051458] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2012] [Accepted: 11/01/2012] [Indexed: 12/12/2022] Open
Abstract
Microtubules (MTs), key cytoskeletal elements in living cells, are critical for axonal transport, synaptic transmission, and maintenance of neuronal morphology. NAP (NAPVSIPQ) is a neuroprotective peptide derived from the essential activity-dependent neuroprotective protein (ADNP). In Alzheimer’s disease models, NAP protects against tauopathy and cognitive decline. Here, we show that NAP treatment significantly affected the alpha tubulin tyrosination cycle in the neuronal differentiation model, rat pheochromocytoma (PC12) and in rat cortical astrocytes. The effect on tubulin tyrosination/detyrosination was coupled to increased MT network area (measured in PC12 cells), which is directly related to neurite outgrowth. Tubulin beta3, a marker for neurite outgrowth/neuronal differentiation significantly increased after NAP treatment. In rat cortical neurons, NAP doubled the area of dynamic MT invasion (Tyr-tubulin) into the neuronal growth cone periphery. NAP was previously shown to protect against zinc-induced MT/neurite destruction and neuronal death, here, in PC12 cells, NAP treatment reversed zinc-decreased tau-tubulin-MT interaction and protected against death. NAP effects on the MT pool, coupled with increased tau engagement on compromised MTs imply an important role in neuronal plasticity, protecting against free tau accumulation leading to tauopathy. With tauopathy representing a major pathological hallmark in Alzheimer's disease and related disorders, the current findings provide a mechanistic basis for further development. NAP (davunetide) is in phase 2/3 clinical trial in progressive supranuclear palsy, a disease presenting MT deficiency and tau pathology.
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Affiliation(s)
- Saar Oz
- The Adams Super Center for Brain Studies, Tel Aviv University, Tel Aviv, Israel
- The Lily and Avraham Gildor Chair for the Investigation of Growth Factors, Tel Aviv University, Tel Aviv, Israel
- The Elton Laboratory for Neuroendocrinology, Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Yanina Ivashko-Pachima
- The Adams Super Center for Brain Studies, Tel Aviv University, Tel Aviv, Israel
- The Lily and Avraham Gildor Chair for the Investigation of Growth Factors, Tel Aviv University, Tel Aviv, Israel
- The Elton Laboratory for Neuroendocrinology, Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Illana Gozes
- The Adams Super Center for Brain Studies, Tel Aviv University, Tel Aviv, Israel
- The Lily and Avraham Gildor Chair for the Investigation of Growth Factors, Tel Aviv University, Tel Aviv, Israel
- The Elton Laboratory for Neuroendocrinology, Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
- * E-mail:
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17
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Lo E, Soleilhac E, Martinez A, Lafanechère L, Nadon R. Intensity quantile estimation and mapping--a novel algorithm for the correction of image non-uniformity bias in HCS data. Bioinformatics 2012; 28:2632-9. [PMID: 22914219 DOI: 10.1093/bioinformatics/bts491] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
MOTIVATION Image non-uniformity (NU) refers to systematic, slowly varying spatial gradients in images that result in a bias that can affect all downstream image processing, quantification and statistical analysis steps. Image NU is poorly modeled in the field of high-content screening (HCS), however, such that current conventional correction algorithms may be either inappropriate for HCS or fail to take advantage of the information available in HCS image data. RESULTS A novel image NU bias correction algorithm, termed intensity quantile estimation and mapping (IQEM), is described. The algorithm estimates the full non-linear form of the image NU bias by mapping pixel intensities to a reference intensity quantile function. IQEM accounts for the variation in NU bias over broad cell intensity ranges and data acquisition times, both of which are characteristic of HCS image datasets. Validation of the method, using simulated and HCS microtubule polymerization screen images, is presented. Two requirements of IQEM are that the dataset consists of large numbers of images acquired under identical conditions and that cells are distributed with no within-image spatial preference. AVAILABILITY AND IMPLEMENTATION MATLAB function files are available at http://nadon-mugqic.mcgill.ca/.
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Affiliation(s)
- Ernest Lo
- Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec, Canada
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18
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Prudent R, Vassal-Stermann E, Nguyen CH, Pillet C, Martinez A, Prunier C, Barette C, Soleilhac E, Filhol O, Beghin A, Valdameri G, Honoré S, Aci-Sèche S, Grierson D, Antonipillai J, Li R, Di Pietro A, Dumontet C, Braguer D, Florent JC, Knapp S, Bernard O, Lafanechère L. Pharmacological inhibition of LIM kinase stabilizes microtubules and inhibits neoplastic growth. Cancer Res 2012; 72:4429-39. [PMID: 22761334 DOI: 10.1158/0008-5472.can-11-3342] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The emergence of tumor resistance to conventional microtubule-targeting drugs restricts their clinical use. Using a cell-based assay that recognizes microtubule polymerization status to screen for chemicals that interact with regulators of microtubule dynamics, we identified Pyr1, a cell permeable inhibitor of LIM kinase, which is the enzyme that phosphorylates and inactivates the actin-depolymerizing factor cofilin. Pyr1 reversibly stabilized microtubules, blocked actin microfilament dynamics, inhibited cell motility in vitro and showed anticancer properties in vivo, in the absence of major side effects. Pyr1 inhibition of LIM kinase caused a microtubule-stabilizing effect, which was independent of any direct effects on the actin cytoskeleton. In addition, Pyr1 retained its activity in multidrug-resistant cancer cells that were resistant to conventional microtubule-targeting agents. Our findings suggest that LIM kinase functions as a signaling node that controls both actin and microtubule dynamics. LIM kinase may therefore represent a targetable enzyme for cancer treatment.
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Affiliation(s)
- Renaud Prudent
- Institut Albert Bonniot, CRI INSERM/UJF U823, Team 3 Polarity, Development and Cancer, Rond-point de la Chantourne, La Tronche Cedex, France
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19
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Smith LB, Milne L, Nelson N, Eddie S, Brown P, Atanassova N, O'Bryan MK, O'Donnell L, Rhodes D, Wells S, Napper D, Nolan P, Lalanne Z, Cheeseman M, Peters J. KATNAL1 regulation of sertoli cell microtubule dynamics is essential for spermiogenesis and male fertility. PLoS Genet 2012; 8:e1002697. [PMID: 22654668 PMCID: PMC3359976 DOI: 10.1371/journal.pgen.1002697] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2011] [Accepted: 03/20/2012] [Indexed: 11/18/2022] Open
Abstract
Spermatogenesis is a complex process reliant upon interactions between germ cells (GC) and supporting somatic cells. Testicular Sertoli cells (SC) support GCs during maturation through physical attachment, the provision of nutrients, and protection from immunological attack. This role is facilitated by an active cytoskeleton of parallel microtubule arrays that permit transport of nutrients to GCs, as well as translocation of spermatids through the seminiferous epithelium during maturation. It is well established that chemical perturbation of SC microtubule remodelling leads to premature GC exfoliation demonstrating that microtubule remodelling is an essential component of male fertility, yet the genes responsible for this process remain unknown. Using a random ENU mutagenesis approach, we have identified a novel mouse line displaying male-specific infertility, due to a point mutation in the highly conserved ATPase domain of the novel KATANIN p60-related microtubule severing protein Katanin p60 subunit A-like1 (KATNAL1). We demonstrate that Katnal1 is expressed in testicular Sertoli cells (SC) from 15.5 days post-coitum (dpc) and that, consistent with chemical disruption models, loss of function of KATNAL1 leads to male-specific infertility through disruption of SC microtubule dynamics and premature exfoliation of spermatids from the seminiferous epithelium. The identification of KATNAL1 as an essential regulator of male fertility provides a significant novel entry point into advancing our understanding of how SC microtubule dynamics promotes male fertility. Such information will have resonance both for future treatment of male fertility and the development of non-hormonal male contraceptives.
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Affiliation(s)
- Lee B Smith
- MRC Centre for Reproductive Health, University of Edinburgh, The Queen's Medical Research Institute, Edinburgh, United Kingdom.
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20
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Berezniuk I, Vu HT, Lyons PJ, Sironi JJ, Xiao H, Burd B, Setou M, Angeletti RH, Ikegami K, Fricker LD. Cytosolic carboxypeptidase 1 is involved in processing α- and β-tubulin. J Biol Chem 2011; 287:6503-17. [PMID: 22170066 DOI: 10.1074/jbc.m111.309138] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The Purkinje cell degeneration (pcd) mouse has a disruption in the gene encoding cytosolic carboxypeptidase 1 (CCP1). This study tested two proposed functions of CCP1: degradation of intracellular peptides and processing of tubulin. Overexpression (2-3-fold) or knockdown (80-90%) of CCP1 in human embryonic kidney 293T cells (HEK293T) did not affect the levels of most intracellular peptides but altered the levels of α-tubulin lacking two C-terminal amino acids (delta2-tubulin) ≥ 5-fold, suggesting that tubulin processing is the primary function of CCP1, not peptide degradation. Purified CCP1 produced delta2-tubulin from purified porcine brain α-tubulin or polymerized HEK293T microtubules. In addition, CCP1 removed Glu residues from the polyglutamyl side chains of porcine brain α- and β-tubulin and also generated a form of α-tubulin with two C-terminal Glu residues removed (delta3-tubulin). Consistent with this, pcd mouse brain showed hyperglutamylation of both α- and β-tubulin. The hyperglutamylation of α- and β-tubulin and subsequent death of Purkinje cells in pcd mice was counteracted by the knock-out of the gene encoding tubulin tyrosine ligase-like-1, indicating that this enzyme hyperglutamylates α- and β-tubulin. Taken together, these results demonstrate a role for CCP1 in the processing of Glu residues from β- as well as α-tubulin in vitro and in vivo.
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Affiliation(s)
- Iryna Berezniuk
- Department of Neuroscience, Albert Einstein College of Medicine, Bronx, New York 10461, USA
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21
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Calligaris D, Verdier-Pinard P, Devred F, Villard C, Braguer D, Lafitte D. Microtubule targeting agents: from biophysics to proteomics. Cell Mol Life Sci 2010; 67:1089-104. [PMID: 20107862 PMCID: PMC11115596 DOI: 10.1007/s00018-009-0245-6] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2009] [Revised: 12/02/2009] [Accepted: 12/21/2009] [Indexed: 12/13/2022]
Abstract
This review explores various aspects of the interaction between microtubule targeting agents and tubulin, including binding site, affinity, and drug resistance. Starting with the basics of tubulin polymerization and microtubule targeting agent binding, we then highlight how the three-dimensional structures of drug-tubulin complexes obtained on stabilized tubulin are seeded by precise biological and biophysical data. New avenues opened by thermodynamics analysis, high throughput screening, and proteomics for the molecular pharmacology of these drugs are presented. The amount of data generated by biophysical, proteomic and cellular techniques shed more light onto the microtubule-tubulin equilibrium and tubulin-drug interaction. Combining these approaches provides new insight into the mechanism of action of known microtubule interacting agents and rapid in-depth characterization of next generation molecules targeting the interaction between microtubules and associated modulators of their dynamics. This will facilitate the design of improved and/or alternative chemotherapies targeting the microtubule cytoskeleton.
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Affiliation(s)
- D. Calligaris
- INSERM UMR 911, Centre de Recherche en Oncologie biologique et en Oncopharmacologie, Faculté de Pharmacie, Aix-Marseille Université, 27 Boulevard Jean Moulin, 13385 Marseille Cedex 05, France
| | - P. Verdier-Pinard
- INSERM UMR 911, Centre de Recherche en Oncologie biologique et en Oncopharmacologie, Faculté de Pharmacie, Aix-Marseille Université, 27 Boulevard Jean Moulin, 13385 Marseille Cedex 05, France
| | - F. Devred
- INSERM UMR 911, Centre de Recherche en Oncologie biologique et en Oncopharmacologie, Faculté de Pharmacie, Aix-Marseille Université, 27 Boulevard Jean Moulin, 13385 Marseille Cedex 05, France
| | - C. Villard
- INSERM UMR 911, Centre de Recherche en Oncologie biologique et en Oncopharmacologie, Faculté de Pharmacie, Aix-Marseille Université, 27 Boulevard Jean Moulin, 13385 Marseille Cedex 05, France
| | - D. Braguer
- INSERM UMR 911, Centre de Recherche en Oncologie biologique et en Oncopharmacologie, Faculté de Pharmacie, Aix-Marseille Université, 27 Boulevard Jean Moulin, 13385 Marseille Cedex 05, France
| | - Daniel Lafitte
- INSERM UMR 911, Centre de Recherche en Oncologie biologique et en Oncopharmacologie, Faculté de Pharmacie, Aix-Marseille Université, 27 Boulevard Jean Moulin, 13385 Marseille Cedex 05, France
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Soleilhac E, Nadon R, Lafanechere L. High-content screening for the discovery of pharmacological compounds: advantages, challenges and potential benefits of recent technological developments. Expert Opin Drug Discov 2010; 5:135-44. [DOI: 10.1517/17460440903544456] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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23
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Gasparri F. An overview of cell phenotypes in HCS: limitations and advantages. Expert Opin Drug Discov 2009; 4:643-57. [DOI: 10.1517/17460440902992870] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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24
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Fonrose X, Ausseil F, Soleilhac E, Masson V, David B, Pouny I, Cintrat JC, Rousseau B, Barette C, Massiot G, Lafanechère L. Parthenolide inhibits tubulin carboxypeptidase activity. Cancer Res 2007; 67:3371-8. [PMID: 17409447 DOI: 10.1158/0008-5472.can-06-3732] [Citation(s) in RCA: 80] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Microtubules are centrally involved in cell division, being the principal components of mitotic spindle. Tubulin, the constituent of microtubules, can be cyclically modified on its alpha-subunit by enzymatic removal of the COOH-terminal tyrosine residue by an ill-defined tubulin carboxypeptidase (TCP) and its readdition by tubulin tyrosine ligase (TTL). We and others have previously shown that suppression of TTL and resulting accumulation of detyrosinated tubulin are frequent in human cancers of poor prognosis. Explanations for the involvement of TTL and detyrosinated tubulin in tumor progression arise from the recent discovery that tubulin detyrosination leads to CAP-Gly protein mislocalization, which correlates with defects in spindle positioning during mitosis. Impaired control of spindle positioning is one factor favoring tumor invasiveness. Thus, TCP could be a target for developing novel therapeutic strategies against advanced stages of cancers. Inhibitors of TCP, by reversing abnormal detyrosinated tubulin accumulation in tumor cells, could impair tumor progression. TCP has never been isolated and this has hampered search of specific inhibitors. In this article, we describe a cell-based assay of TCP activity and its use to screen a library of natural extracts for their inhibitory potency. This led to the isolation of two sesquiterpene lactones. We subsequently found that parthenolide, a structurally related compound, can efficiently inhibit TCP. This inhibitory activity is a new specific property of parthenolide independent of its action on the nuclear factor-kappaB pathway. Parthenolide is also known for its anticancer properties. Thus, TCP inhibition could be one of the underlying mechanisms of these anticancer properties.
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Affiliation(s)
- Xavier Fonrose
- Centre de Criblage pour Molécules Bio-Actives, institut de Recherches en Technologies et Sciences pour le Vivant, Commissariat à l'Energie Atomique-Grenoble, Grenoble, France
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