CEFIC LRI Project EEM9cefic-lri.org/.../09/Volker-Koch-presentation-7.EEM9_.3.pdfDr. Volker Koch,...

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Dr. Volker Koch, ClariantCEFIC LRI Annual Workshop 2015CEFIC LRI Project EEM9.3

19.11.2015

CEFIC LRI Project EEM9.3Linking LRI AMBIT ChemoinformaticSystem with the IUCLID Substance Database to Support Read across of Substance Endpoint data & Category Formation

17th Annual CEFIC-LRI Workshop 2015

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Dr. Volker Koch, ClariantCEFIC LRI Annual Workshop 2015CEFIC LRI Project EEM9.319.11.2015

Introduction

Public, LRI PROJECT EEM9.3LINKING AMBIT WITH IUCLID2

Dr. Volker Koch, Clariant, CEFIC LRI Annual Workshop 2015, CEFIC LRI Project EEM9.3, 19.11.2015

Computational Toxicology (1)

Non-testing approaches are used to fill gaps in Human andEnvironmental Safety Assessment (ECETOC, 2012 TR116) :

To avoid animal testing

Reduce resource costs

Bridge the gap of laboratory capacity availability

Read-across and Category formation•Are Non-testing methods which are regularly applied to assess the safety of Chemicals and are accepted by most Regulatory Bodies if the approach taken is sufficiently justified and documented•Is supported by in-silico tools (see ECETOC, 2012, TR 116) using various methodologies like•QSARs, Expert systems allowing rule-based predictions , Similarity tools etc.

Computational Toxicology (2)

MAJOR GOALS OF THE CEFIC LRI PROJECT

Enhancing the predictive power of the in-silico tool LRI AMBIT

Using high quality Substance data

From a IUCLID Database owned by a company itself

From ECHA IUCLID Database (non-CBI Disseminated data)

From other reliable and quality checked data sources

Implementing workflows for Assessmentssupporting the assessor in setting up a read across/category approach and in establishing a valid justification for the approach taken as requested by authorities

Minimizing overall animal testing and resource costs means using available studies for other substances as well if appropriate

Project overview

Company IUCLID DBECHA IUCLID DB

AsMajor Data Source

Search for datapossible but

not for structures

CEFIC LRI AMBITChemoinformatics

System

SupportingRead across

& Category formation

AMBIT FUNCTIONSAssigning structures-to constituents, impurities …Search structures & Data- exact, similar, substructure- combined with data searchRead across/category formation-Workflows supporting the userPrediction tools-Cramer rules, Protein binding etcData analysis tools-Regressions, clustering etc.Data management-flexible import/export of dataData exchange- manual or automated e.g.

webservices

Datatransfer

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IUCLIDData handling, Retrieval & Export

IUCLID DatabasePublic, LRI PROJECT EEM9.3LINKING AMBIT WITH IUCLID7

IUCLID Version 4 IUCLID Version 5

Many page scrolls

IUCLID 4 had ca. 850 Database fields IUCLID 5 has > 8500 Database fields

Manual Extraction of substance data to be

used in read across/category is

cumbersome & time consuming

Manual Extraction of substance data to be

used in read across/category is rather

straightforward

IUCLID Substance ID & Composition IUCLID Substance ID & Composition

Every Substance in IUCLID is characterized by at least one Composition

A IUCLID Substance composition has

CONSTITUENTS n>= 1, IMPURITIES n>=0, ADDITIVES n>=0

A IUCLID substance itself has NO CHEMICAL STRUCTURE. Only constituents, impurities and additives have a structure

As a IUCLID composition has at least 1 constituent, at least one structure is assigned. Very many IUCLID substances are related to more than 1 structure

When the IUCLID composition is transferred, AMBIT assigns automatically searchable structures to constituents, impurities and additives (if they are available in the AMBIT structure pool of > 400.000 structures)

Most in-silico tools e.g. the OECD Toolbox cannot cope with the composition of a substances and relates one structure to a substance !

Data retrieval in IUCLID 5 (1)

Endpoint data in IUCLID can be retrieved

“Manually”

if location is known by the user

Using the IUCLID Query Tool

Requires knowledge about the IUCLID data structure (experts only)

Structures in IUCLID are

Images which cannot be retrieved

Smiles codes which can be used for exact structure search only but not for similarity or substructure search

Not directly applicable for read across/category formation approaches

Methods for Data transfer from IUCLID to AMBIT

Manual Transfer

Using the IUCLID 5 Bulk Export Assistant which is cumbersome requiring a multistep and manual interaction

Using the IUCLID 5 Batch Export which also requires a limited manual interaction

Automated Transfer using Web services

IUCLID 5 and AMBIT are IT system which are running on Web servers

Web servers can interact via Web services allowing automated data transfer and update from IUCLD 5 not requiring manual interaction

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AMBITData import

Data Import filter for AMBIT

These filter allow to select which data from an IUCLID substance should be imported into AMBIT and work for manual or web based data import from IUCLID

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AMBIT Chemoinformatics System

Data & Structure handlingFunctionsCommunication

LRI AMBIT Chemoinformatic System

AMBIT Chemoinformatics System was developed within a CEFIC LRI Project in 2005 and is part of the LRI Toolbox

Was continuously developed further and is now a state of the art Java web application running on all Operating Systems supporting Java

Is an Open Source Application with the following functions

Search for structure(s) [exact, similar, substructure] and meta data

Assessment tools (read across/category formation)

Prediction tools e.g. Cramer rules , Protein binding, pKa etc

Data analysis tools e.g. regression, classification, clustering etc

Data exchange tools: manual or automated via Opentox API, Webservices etc

AMBIT Search for StructuresExact, Similarity & Substructure

AMBIT Search for Structures & Endpoint data

2) Find Substance(s)

3) Display data

1) Find Structure(s)

Structures of Constituents, Impurities, Additives

IUCLID Substance Data in AMBIT

IUCLID Data in AMBIT are organized in tab sections allowing easy access by clicking on the tab of interest

IUCLID Composition Data in AMBIT allow a straightforwardoverview on constituents, impurities & additives as well as theconcentrations associated

IUCLID Substance Data in AMBITData for 44 Endpoints from IUCLID

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AMBIT Chemoinformatics System

Communication with other Systems

AMBIT Communication

OtherTools

OtherDatabases

CompanyDatabase

Batch transfer

End 2015

Transfer via Web serviceor manually

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WorkflowRead across & Category formation

Selecting data sources

Finalizing Assessment dataset

Selecting endpoints

Creating Assessment and defining initial target

Searching for other targets and allied

structures

Selecting relevant structures

Gap filling

Evaluation

Data gathering

Assessment StorageReport generation using predefined templates

Doc link

AMBIT Workflows on Read across & Category formation

New Assessment & Identifier

Collect (Search) structures for Assessment

T = Target, S = Source, CM = Category member

Based on the Smiles code of the Target Diglyme a substructure search was carried out limited to those having substance data

Clicking T, S or CM allows to assign the structure for intended purpose

List collected structures for Assessment

T = Target, S = Source, CM = Category member

Based on the Smiles code of the Target Diglyme a substructure search was carried out limited to those having substance data

Search Substances

When clicking the Tab “Endpoint data used” associated substances can be display from the list and selected for further use (Subtab “Search substance(s)”)

Search Substances

When clicking the Tab “Endpoint data used” and subsequently Subtab “Selection of endpoints” a list of IUCLID Endpoints are displayed for selection by check marking

Working matrix (Composition section)

Working matrix (Endpoint section)

EXCEL Export of Working Matrix

AMBIT has several reporting functions, one is the export of the Working matrix into EXCEL for easier handling and printing

Assessment report

AMBIT has several reporting functions, one is creating an assessment report in Word

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Project information

Project will be finalized on December 8, 2015

Project information

Project idea Volker Koch, Clariant

LRI Manager Bruno Hubesch

Contractors Nina Jeliazkova, Ideaconsult Ltd

Egon Willighagen, Maastricht University

Clariant Team Udo Jensch, Toxicologistfor System design Volker Koch, Ecotoxicologist

Qiang Li, ToxicologistJoachim Schneider-Reigl, Ecotoxicologist

Project end December 8, 2015

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System requirements for AMBIT

Installation

AMBIT is an Open Source Web Application and can be used free of charge when accepting the LGPL license

RequirementsJava 7, MySQL Database,Web server (servlet container, e.g. Apache Tomcat )

LOCAL on a LAPTOP/DESKTOPlocal database, local webserver, manual data import. Data update is complicated.

SERVER (on company INTRANET) Shared database and web server. Clients only need a web browser.

Publicly available

https://apps.ideaconsult.net/ambit3 Clients only need a web browser.

TECHNICAL SUPPORTcontact Ideaconsult Ltd, Sofia (see Flyer distributed in this meeting)www.ideaconsult.net , email: support@ideaconsult.net

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CEFIC LRI Workshop on Project EEM9.3 Linking AMBIT with IUCLID

Date January 21, 2016Location CEFIC Premises Brussels

Registration starting now

send E Mail to bhu@cefic.be

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