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Batut B, Hiltemann S, Bagnacani A, Baker D, Bhardwaj V, Blank C, Bretaudeau A, Brillet-Guéguen L, Čech M, Chilton J, Clements D, Doppelt-Azeroual O, Erxleben A, Freeberg MA, Gladman S, Hoogstrate Y, Hotz HR, Houwaart T, Jagtap P, Larivière D, Le Corguillé G, Manke T, Mareuil F, Ramírez F, Ryan D, Sigloch FC, Soranzo N, Wolff J, Videm P, Wolfien M, Wubuli A, Yusuf D, Taylor J, Backofen R, Nekrutenko A, Grüning B. Community-Driven Data Analysis Training for Biology. Cell Syst 2019; 6:752-758.e1. [PMID: 29953864 DOI: 10.1016/j.cels.2018.05.012] [Citation(s) in RCA: 97] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Revised: 03/10/2018] [Accepted: 05/18/2018] [Indexed: 01/12/2023]
Abstract
The primary problem with the explosion of biomedical datasets is not the data, not computational resources, and not the required storage space, but the general lack of trained and skilled researchers to manipulate and analyze these data. Eliminating this problem requires development of comprehensive educational resources. Here we present a community-driven framework that enables modern, interactive teaching of data analytics in life sciences and facilitates the development of training materials. The key feature of our system is that it is not a static but a continuously improved collection of tutorials. By coupling tutorials with a web-based analysis framework, biomedical researchers can learn by performing computation themselves through a web browser without the need to install software or search for example datasets. Our ultimate goal is to expand the breadth of training materials to include fundamental statistical and data science topics and to precipitate a complete re-engineering of undergraduate and graduate curricula in life sciences. This project is accessible at https://training.galaxyproject.org.
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Affiliation(s)
- Bérénice Batut
- Bioinformatics Group, Department of Computer Science, Albert-Ludwigs-University Freiburg, Georges-Köhler-Allee 106, Freiburg 79110, Germany
| | - Saskia Hiltemann
- Erasmus Medical Centre, Wytemaweg 80, Rotterdam 3015 CN, the Netherlands
| | - Andrea Bagnacani
- Department of Systems Biology and Bioinformatics, University of Rostock, Ulmenstraße 69, Rostock 18051, Germany
| | - Dannon Baker
- Johns Hopkins University, 3400 N Charles Street, Mudd Hall 144, Baltimore 21218, MD, USA
| | - Vivek Bhardwaj
- Department of Biology, Albert-Ludwigs-University, Schänzlestraße 1, Freiburg 79104, Germany
| | - Clemens Blank
- Bioinformatics Group, Department of Computer Science, Albert-Ludwigs-University Freiburg, Georges-Köhler-Allee 106, Freiburg 79110, Germany
| | - Anthony Bretaudeau
- INRA, UMR IGEPP, BIPAA/GenOuest, INRIA/Irisa - Campus de Beaulieu, 35042 RENNES Cedex, France
| | | | - Martin Čech
- The Pennsylvania State University, 505 Wartik Lab, University Park, PA 16802, USA
| | - John Chilton
- The Pennsylvania State University, 505 Wartik Lab, University Park, PA 16802, USA
| | - Dave Clements
- Johns Hopkins University, 3400 N Charles Street, Mudd Hall 144, Baltimore 21218, MD, USA
| | - Olivia Doppelt-Azeroual
- Bioinformatics and Biostatistics HUB, Centre de Bioinformatique, Biostatistique et Biologie Intégrative (C3BI, USR 3756 Institut Pasteur et CNRS), Institut Pasteur, 25-28 Rue du Docteur Roux, 75015 Paris, France
| | - Anika Erxleben
- Bioinformatics Group, Department of Computer Science, Albert-Ludwigs-University Freiburg, Georges-Köhler-Allee 106, Freiburg 79110, Germany
| | | | - Simon Gladman
- Melbourne Bioinformatics, The University of Melbourne, Melbourne, VIC 3010, Australia
| | - Youri Hoogstrate
- Erasmus Medical Centre, Wytemaweg 80, Rotterdam 3015 CN, the Netherlands
| | - Hans-Rudolf Hotz
- Friedrich Miescher Institute for Biomedical Research, Maulbeerstrasse 66, Basel 4058, Switzerland
| | - Torsten Houwaart
- Bioinformatics Group, Department of Computer Science, Albert-Ludwigs-University Freiburg, Georges-Köhler-Allee 106, Freiburg 79110, Germany
| | - Pratik Jagtap
- Biochemistry, Molecular Biology and Biophysics, University of Minnesota Medical School, 420 Delaware Street SE, Minneapolis, MN 55455, USA
| | - Delphine Larivière
- The Pennsylvania State University, 505 Wartik Lab, University Park, PA 16802, USA
| | - Gildas Le Corguillé
- PMC, CNRS, FR2424, ABiMS, Station Biologique, Place Georges Teissier, Roscoff 29680, France
| | - Thomas Manke
- Max Planck Institute of Immunobiology and Epigenetics, Stübeweg 51, Freiburg 79108, Germany
| | - Fabien Mareuil
- Bioinformatics and Biostatistics HUB, Centre de Bioinformatique, Biostatistique et Biologie Intégrative (C3BI, USR 3756 Institut Pasteur et CNRS), Institut Pasteur, 25-28 Rue du Docteur Roux, 75015 Paris, France
| | - Fidel Ramírez
- Max Planck Institute of Immunobiology and Epigenetics, Stübeweg 51, Freiburg 79108, Germany
| | - Devon Ryan
- Max Planck Institute of Immunobiology and Epigenetics, Stübeweg 51, Freiburg 79108, Germany
| | - Florian Christoph Sigloch
- Bioinformatics Group, Department of Computer Science, Albert-Ludwigs-University Freiburg, Georges-Köhler-Allee 106, Freiburg 79110, Germany
| | - Nicola Soranzo
- Earlham Institute, Norwich Research Park, Norwich NR4 7UZ, UK
| | - Joachim Wolff
- Bioinformatics Group, Department of Computer Science, Albert-Ludwigs-University Freiburg, Georges-Köhler-Allee 106, Freiburg 79110, Germany
| | - Pavankumar Videm
- Bioinformatics Group, Department of Computer Science, Albert-Ludwigs-University Freiburg, Georges-Köhler-Allee 106, Freiburg 79110, Germany
| | - Markus Wolfien
- Department of Systems Biology and Bioinformatics, University of Rostock, Ulmenstraße 69, Rostock 18051, Germany
| | - Aisanjiang Wubuli
- Leibniz Institute for Farm Animal Biology (FBN), Wilhelm-Stahl-Allee 2, Dummerstorf 18196, Germany
| | - Dilmurat Yusuf
- Bioinformatics Group, Department of Computer Science, Albert-Ludwigs-University Freiburg, Georges-Köhler-Allee 106, Freiburg 79110, Germany
| | | | - James Taylor
- Johns Hopkins University, 3400 N Charles Street, Mudd Hall 144, Baltimore 21218, MD, USA
| | - Rolf Backofen
- Bioinformatics Group, Department of Computer Science, Albert-Ludwigs-University Freiburg, Georges-Köhler-Allee 106, Freiburg 79110, Germany.
| | - Anton Nekrutenko
- The Pennsylvania State University, 505 Wartik Lab, University Park, PA 16802, USA.
| | - Björn Grüning
- Bioinformatics Group, Department of Computer Science, Albert-Ludwigs-University Freiburg, Georges-Köhler-Allee 106, Freiburg 79110, Germany.
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Sigloch FC, Tholen M, Gomez-Auli A, Biniossek ML, Reinheckel T, Schilling O. Proteomic analysis of lung metastases in a murine breast cancer model reveals divergent influence of CTSB and CTSL overexpression. J Cancer 2017; 8:4065-4074. [PMID: 29187882 PMCID: PMC5706009 DOI: 10.7150/jca.21401] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Accepted: 08/09/2017] [Indexed: 12/26/2022] Open
Abstract
Studies in the MMTV-PyMT (PyMT) breast cancer mouse model have shown a strong influence of the lysosomal cysteine cathepsins B or L on lung metastasis formation. Transgenic expression of human CTSB (tgCTSB) or CTSL (tgCTSL) both led to similar metastatic phenotypes with increased metastatic burden in the PyMT mice. However, recent studies in other tumor models proved marked differences in effects of either cathepsin on the proteome composition. We sought to analyze and compare proteome changes in the metastatic proteome of PyMT mice expressing either tgCTSB or tgCTSL to evaluate similarities and differences in those models. Performing an explorative, quantitative proteome comparison based on LC-MS/MS, we identified up to 3,000 proteins from murine lung metastases in three independent biological replicates per genotype. In both cases, when compared to wild-type (WT) mice, we noticed a pronounced impact of transgene cathepsin expression on the metastasis proteome. Highlights include increased moesin, integrin beta 1 and vinexin levels in the tgCTSB dataset and increased saposin and granulin levels in the tgCTSL dataset. Importantly, non-supervised hierarchical clustering clearly separated tgCTSB vs. tgCTSL induced proteome changes. In summary, tgCTSB and tgCTSL both display a strong and distinct impact on proteome composition of lung macrometastases in the PyMT model. Our observations suggest that they impact malignant behavior in distinct ways, thus further emphasizing interest into their tumor-contextual functionality.
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Affiliation(s)
- Florian Christoph Sigloch
- Institute of Molecular Medicine and Cell Research, Medical Faculty, University of Freiburg, D-79104 Freiburg, Germany.,Faculty of Biology, University of Freiburg, D-79104 Freiburg, Germany
| | - Martina Tholen
- Institute of Molecular Medicine and Cell Research, Medical Faculty, University of Freiburg, D-79104 Freiburg, Germany.,Faculty of Biology, University of Freiburg, D-79104 Freiburg, Germany.,Spemann Graduate School of Biology and Medicine (SGBM), University of Freiburg, D-79104 Freiburg, Germany.,Present address: Department of Pathology, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, California 94305, United States
| | - Alejandro Gomez-Auli
- Institute of Molecular Medicine and Cell Research, Medical Faculty, University of Freiburg, D-79104 Freiburg, Germany.,Faculty of Biology, University of Freiburg, D-79104 Freiburg, Germany.,Spemann Graduate School of Biology and Medicine (SGBM), University of Freiburg, D-79104 Freiburg, Germany
| | - Martin Lothar Biniossek
- Institute of Molecular Medicine and Cell Research, Medical Faculty, University of Freiburg, D-79104 Freiburg, Germany
| | - Thomas Reinheckel
- Institute of Molecular Medicine and Cell Research, Medical Faculty, University of Freiburg, D-79104 Freiburg, Germany.,BIOSS Centre for Biological Signaling Studies, University of Freiburg, Freiburg, Germany.,German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Oliver Schilling
- Institute of Molecular Medicine and Cell Research, Medical Faculty, University of Freiburg, D-79104 Freiburg, Germany.,BIOSS Centre for Biological Signaling Studies, University of Freiburg, Freiburg, Germany.,German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
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Abstract
Expression of miR-200c is a molecular switch to determine cellular fate towards a mesenchymal or epithelial phenotype. miR-200c suppresses the early steps of tumor progression by preventing epithelial-mesenchymal transition (EMT) and intravasation of tumor cells. Unraveling the underlying molecular mechanisms might pinpoint to novel therapeutic options. To better understand these mechanisms it is crucial to identify targets of miR-200c. Here, we employ a combination of quantitative proteomic and bioinformatic strategies to identify novel miR-200c targets. We identify and confirm two subunits of the central cellular kinase protein kinase A (PKA), namely PRKAR1A and PRKACB, to be directly regulated by miR-200c. Notably, siRNA-mediated downregulation of both proteins phenocopies the migratory behavior of breast cancer cells after miR-200c overexpression. Patient data from publicly accessible databases supports a miR-200c-PKA axis. Thus, our study identifies the PKA heteroprotein as an important mediator of miR-200c induced repression of migration in breast cancer cells. By bioinformatics, we define a miRNA target cluster consisting of PRKAR1A, PRKAR2B, PRKACB, and COF2, which is targeted by a group of 14 miRNAs.
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Affiliation(s)
- Florian Christoph Sigloch
- Institute of Molecular Medicine and Cell Research, Albert-Ludwigs-University Freiburg, Freiburg, Germany.,Faculty of Biology, Albert-Ludwigs-University Freiburg, Freiburg, Germany
| | - Ulrike Christina Burk
- Institute of Molecular Medicine and Cell Research, Albert-Ludwigs-University Freiburg, Freiburg, Germany.,BIOSS Centre for Biological Signaling Studies, University of Freiburg, Freiburg, Germany
| | - Martin Lothar Biniossek
- Institute of Molecular Medicine and Cell Research, Albert-Ludwigs-University Freiburg, Freiburg, Germany
| | - Thomas Brabletz
- Experimental Medicine I, Nikolaus-Fiebiger-Center for Molecular Medicine, University Erlangen-Nürnberg, Erlangen, Germany
| | - Oliver Schilling
- Institute of Molecular Medicine and Cell Research, Albert-Ludwigs-University Freiburg, Freiburg, Germany.,BIOSS Centre for Biological Signaling Studies, University of Freiburg, Freiburg, Germany.,German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
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6
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Löffek S, Hurskainen T, Jackow J, Sigloch FC, Schilling O, Tasanen K, Bruckner-Tuderman L, Franzke CW. Transmembrane collagen XVII modulates integrin dependent keratinocyte migration via PI3K/Rac1 signaling. PLoS One 2014; 9:e87263. [PMID: 24505282 PMCID: PMC3914815 DOI: 10.1371/journal.pone.0087263] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2013] [Accepted: 12/25/2013] [Indexed: 12/28/2022] Open
Abstract
The hemidesmosomal transmembrane component collagen XVII (ColXVII) plays an important role in the anchorage of the epidermis to the underlying basement membrane. However, this adhesion protein seems to be also involved in the regulation of keratinocyte migration, since its expression in these cells is strongly elevated during reepithelialization of acute wounds and in the invasive front of squamous cell carcinoma, while its absence in ColXVII-deficient keratinocytes leads to altered cell motility. Using a genetic model of murine Col17a1⁻/⁻ keratinocytes we elucidated ColXVII mediated signaling pathways in cell adhesion and migration. Col17a1⁻/⁻ keratinocytes exhibited increased spreading on laminin 332 and accelerated, but less directed cell motility. These effects were accompanied by increased expression of the integrin subunits β4 and β1. The migratory phenotype, as evidenced by formation of multiple unstable lamellipodia, was associated with enhanced phosphoinositide 3-kinase (PI3K) activity. Dissection of the signaling pathway uncovered enhanced phosphorylation of the β4 integrin subunit and the focal adhesion kinase (FAK) as activators of PI3K. This resulted in elevated Rac1 activity as a downstream consequence. These results provide mechanistic evidence that ColXVII coordinates keratinocyte adhesion and directed motility by interfering integrin dependent PI3K activation and by stabilizing lamellipodia at the leading edge of reepithelializing wounds and in invasive squamous cell carcinoma.
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Affiliation(s)
- Stefanie Löffek
- Department of Dermatology and Venerology, University Medical Center Freiburg, Freiburg, Germany
| | - Tiina Hurskainen
- Department of Dermatology, Oulu Center for Cell-Matrix Research, University of Oulu, and Clinical Research Center, Oulu University Hospital, Oulu, Finland
| | - Joanna Jackow
- Department of Dermatology and Venerology, University Medical Center Freiburg, Freiburg, Germany
| | - Florian Christoph Sigloch
- Institute of Molecular Medicine and Cell Research, University of Freiburg, Freiburg, Germany
- Faculty of Biology, University of Freiburg, Freiburg, Germany
| | - Oliver Schilling
- Institute of Molecular Medicine and Cell Research, University of Freiburg, Freiburg, Germany
- Bioss Centre for Biological Studies, University of Freiburg, Freiburg, Germany
| | - Kaisa Tasanen
- Department of Dermatology, Oulu Center for Cell-Matrix Research, University of Oulu, and Clinical Research Center, Oulu University Hospital, Oulu, Finland
| | - Leena Bruckner-Tuderman
- Department of Dermatology and Venerology, University Medical Center Freiburg, Freiburg, Germany
- Freiburg Institute of Advanced Studies, School of Life Sciences – LifeNet, University of Freiburg, Freiburg, Germany
| | - Claus-Werner Franzke
- Department of Dermatology and Venerology, University Medical Center Freiburg, Freiburg, Germany
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