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Cell Illustrator - Release Notes


Cell Illustrator 5.0

  • New User Interface: The user interface of Cell Illustrator version 5.0 has been rewritten from the scratch in order to facilitate and speed up common operations. The new CI window offers a modern and more intuitive layout including:

    • Docking Frames and Toolbars

    • Customizable Perspectives and View Settings

    • Tabbed Pane with Multiple Models

    • Multiple Views of One Model

  • Simulation Engine Enhancements: Cell Illustrator 5.0 supports new, more common scripting languages: Java and JavaScript facilitate the definition of complex logic in the Petri Net model, while the dedicated simple-math script language enables very fast execution of pure mathematical formulas. Also other improvements have been done in the simulation mode:

    • Interactive simulation run (e.g. Step mode) for SECG and Reference Simulation

    • Display of connector/process speed on charts and on the canvas

    • Easy definition and insertion of Simulation Plug-ins

    • Simplified creation of simulation logs

  • Unified Gene Net and Biological Pathway View: The new Fact Edges connecting two entities allow for easier definition of gene networks. Thanks to them the Gene Net mode was integrated with the Bio-Pathway mode into one and the same graph window.

  • Extensive Support for Biological Properties: Handling of Biological Properties was improved by:

    • Support for predefined Cell System Ontology (CSO) classes and hierarchy trees.

    • Improved creating/editing of predefined and user-defined biological properties.

    • Display of all properties in element tables. The new Biological Properties frame allows also for sorting/filtering and finding elements by their biological property values.

    • Display of Chemical Structure on 2D graphs.

    • Display the selected Biological Property on the canvas as element label.

  • Updates in Element Lists, Graph Layout, CSMLDB Search, etc.: Many small enhancements have been done to increase the usability of Cell Illustrator and simplify the creation of CSML models.

    • The CSMLDB Search frame offers the new function of creating user-defined databases from the set of CSML input files, which is available in the new User Database Manager dialog box.

    • The Element Lists offers filtering and sorting of elements by their properties, and dedicated editors to easy the editing of single properties.

    • The Graph Layout frame was reviewed and simplified; all available layout algorithms can be customized using a special Layout Options dialog box.

  • CSMLPipeline: CSMLPipeline is a separate software application created by the University of Tokyo, which allows for transformation and integration of pathway models, gene networks and other biological data basing on the CSML and CSO concepts. CSMLPipeline allows for the automation of often repeated operation flows and procedures.

  • Curated Executable Macrophage Database: The new Curated Executable Macrophage Database can be accessed from a web browser at http://macrophagedb.csml.org. It is based on the CSMLDB concept and allows for searching and browsing pathways, reactions and single molecules within the web browser. Each found pathway can be opened in Cell Illustrator for further analysis or modification.

  • Data Assimilation: The Parameterized Simulation function was extended to facilitate estimation of unknown parameters in a pathway model from time-course information. For a more detailed description and examples of this Data Assimilation procedure please refer to http://da.csml.org/.

Cell Illustrator 4.0

The online publication Cell Illustrator 4.0: A computational platform for systems biology gives a detailed description of Cell Illustrator features.

  • CI Online Server: Cell Illustrator version 4.0 can be run directly from the website, without the need to install software on local computer. The new CI Online server offers several web services such as Project Manager and CSMLDB Search that can be accessed from the CI workspace. CI Online is available at: https://cio.bioillustrator.com/.

  • SECG - New Simulation Engine: SECG (Simulation Engine Code Generator) is a new simulation engine, which allows for faster simulation of large models. The new engine allows for running a batch of parameterized simulations - the same model can be simulated with varying values of selected parameter. The SECG idea is to generate source code from the CSML model displayed in CI workspace. This source code can be used in an external program or framework.

  • Support for CSML 3.0 format: The native format of CI version 4.0 is the CSML 3.0, which enables for storing more biological properties. Please refer to www.csml.org website for more details.

  • CI Project Manager: CI Project Manager is a user interface to CI Online Server. CI Project Manager allows the user to create, store, organize and share CSML models (e.g. pathways) and other data on a remote server. Additionally you can access public and proprietary pathway libraries that are provided by the CI Online Server. To access the remote pathway data and services, the user must be logged in to the CI Online Server.

  • CSMLDB Search: The CSMLDB Search Dialog Box is an interface that allows for submitting queries to the remote CSMLDB database. The user can search in the CSMLDB database for molecules (entities) and reactions (processes) and import them into the canvas in CI workspace. To access the remote CSMLDB database, the user must be logged in to the CI Online Server.

  • CSO import/export: The new input/output filter allows importing and exporting Cell System Ontology 3.0 models. CSO supports most of CSML features and allows for more flexible and extensible handling of biological data using Semantic Web OWL and RDF languages.

  • BioPAX import: The new import filter enables the import of BioPAX level 2 ontology models. BioPAX ontology is popular biological pathway ontology language for biopathway exchange.

Cell Illustrator 3.0

  • Import of SBML/CellML files: New input filters allow importing models stored in the widely used CellML and SBML formats. The imported SBML/CellML models are converted to Cell Illustrator models and can be edited, analyzed, simulated or saved as any other Cell Illustrator model. This function converts SBML/CellML models, which use differential equations for representing relationships between entities, to CI models, which use the Petri Net formalism used in CI.

  • Library of SVG graphical elements: The library of Biological Elements has been extended with SVG images representing biological entities, processes and cellular components. The library consists of: about 40 images for biological entities, more than 250 images for biological processes and about 70 images for cell components. Each image corresponds to one Gene Ontology (or Cell System Ontology) term. Each image can be edited in the SVG editor included in Cell Illustrator.

  • Enhancements in the Petri Net simulation engine: New options for a better control of the simulation flow have been added. The weak firing and firing accuracy options available in the Simulation Settings facilitate the simulation of continuous models.

  • Improved Charts: Charts dialog boxes have been enhanced for improved viewing, analysis and control of simulation results.

  • External References: Since the version 3.0, Cell Illustrator offers an extensive support for external references to public databases, Gene or Cell Ontology terms, etc. These references can be defined in the new Biological tab of the Element Setting dialog box, as well as in the redesigned External References dialog box. Also, URL Templates can be defined to access public databases. The URLs of the external references can be opened in the web browser.

  • Gene Network View: The added Gene Network Mode enables the user to view and explore gene relationships networks. This mode offers a special visualization style and tools for the analysis of gene relationship networks, such as Pathway Search, Sub-network Extraction and Network Merge.

Cell Illustrator 2.0

  • New kinetic styles for easier simulation of biological processes: With the new kinetic styles of a process: mass, stochastic mass and connector rate you can build models more easily and define the kinetics of chemical reactions and biological processes. You just need to define reaction parameters such as stoichiometry, rate, mass coefficients and the process speed will be automatically calculated. Additionally, you can introduce random perturbations using the stochastic mass function, which allows for modeling reactions and processes of stochastic nature.

  • The Element Settings and Element Lists dialogs have been improved: The Element Settings and Element Lists dialogs have been redesigned to simplify model building and analysis. For all process types, you can now view and set all process kinetic properties in one place; the Process Sheet.

  • New graph layout algorithms: Using the Graph Layout dialog, you can “beautify” the layout of the model elements on the active canvas. This option can be especially useful when importing models from the BioPACS database or converting models from other formats.

  • Support for SVG files: Scalable Vector Graphics (SVG) files can be added to the models as any other image files (PNG, JPEG). An editor of SVG files has been included into Cell Illustrator. All image files, in the PNG, JPEG and now also SVG format can be saved internally or externally in the Cell Illustrator models (CSML files).

  • The simulation can be executed at a remote Cell Illustrator Server: Large, time-consuming simulations can now be executed at a remote server, outside of the Cell Illustrator workspace. For this, Cell Illustrator Server, a new companion product of Cell Illustrator needs to be installed at the simulation server. One server can be accessed by multiple users of the Cell Illustrator desktop package, and the other way around: you can connect to more than one CI Server from your desktop. After the simulation is submitted to a remote server you can continue to work with Cell Illustrator or other software without any loss of performance since the simulation does not take the CPU time of your workstation. The simulation results are returned by the server in the form of a CI log file, and can be viewed and analyzed in the CI Player application. This solution is recommended for laboratories with a larger number of CI users.

  • Use Cell Illustrator as a front-end to your own simulation program: The advanced user of Cell Illustrator who would like it to run his own simulation program from CI Workspace can do so by replacing the default engine component at the Cell Illustrator Server with his program. The user-created engine must read an input model and write a log file in the Cell System Markup Language (CSML) which is the native format of Cell Illustrator files.

  • Integrate the command line Cell Illustrator simulation engine into your modeling environment: Cell Illustrator can be used to run simulations in the command line mode. This simulation engine works with Cell System Markup Language (CSML) input/output and can be called from user scripts or integrated with a custom GUI. Alternatively, you can utilize Cell Illustrator Server web service in your modeling environment.

  • The maximum memory for Cell Illustrator can be customized: The new auxiliary program (CIMemoryConfiguration) allows you to customize the maximum memory for both Cell Illustrator applications: CI and CI Player.

Cell Illustrator 1.6

  • The results of each simulation can be logged and saved into CI log files (CILs). The CIL files can be viewed and analyzed in the Cell Illustrator Player program. With Cell Illustrator Player, you can:

    • Deterministically replay a simulation run, even if the original simulation was of stochastic nature.

    • Display logged entity values and process states in the model view in the canvas.

    • Visualize entity value changes over time in a chart.

    • Quickly move forward and backward to a specific part of a simulation log.

    • Replay a simulation run in a step mode for debugging purposes.

    • Compare results of several simulation runs.

  • The new Simulation History dialog allows you to view and manage all the simulation log files (CILs) for your model.

  • The set of predefined elements in the Biological Elements dialog box has been expanded.

Cell Illustrator 1.5

  • Enhanced implementation of hybrid Petri nets for bio-pathway modelling. The Cell Illustrator modeling features have been refined in the version CI 1.5; The parameters of discrete and continuous elements are unified now. Also, default parameter settings have been improved to make model creation easier for novice modelers.

  • Faster and more accurate simulation engine. In Cell Illustrator 1.0, the minimum sampling interval was 0.001[pt]. In Cell Illustrator 1.5, the minimum sampling interval is 0.000001[pt]. Cell Illustrator 1.5 can realize 1000 times more accurate simulations and 10 times faster simulation than CI1.0.

  • Improved GUI for model editing.

  • Added set of predefined Biological Elements.


Cell Illustrator 1.0

  • Commercialized version of Genomic Object Net is released.


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