G Patlewicz

Summary

Affiliation: European Commission
Country: Italy

Publications

  1. ncbi An evaluation of selected global (Q)SARs/expert systems for the prediction of skin sensitisation potential
    G Patlewicz
    European Chemicals Bureau TP582, IHCP, Joint Research Centre, European Commission, Ispra, Italy
    SAR QSAR Environ Res 18:515-41. 2007
  2. ncbi TIMES-SS--a promising tool for the assessment of skin sensitization hazard. A characterization with respect to the OECD validation principles for (Q)SARs and an external evaluation for predictivity
    Grace Patlewicz
    European Chemicals Bureau, TP 582, Institute for Health and Consumer Protection, Joint Research Centre, European Commission, 21020 Ispra, VA, Italy
    Regul Toxicol Pharmacol 48:225-39. 2007
  3. ncbi Evaluation of SARs for the prediction of skin irritation/corrosion potential: structural inclusion rules in the BfR decision support system
    A Gallegos Saliner
    European Chemicals Bureau, Institute for Health and Consumer Protection, Joint Research Centre, Ispra Va, Italy
    SAR QSAR Environ Res 18:331-42. 2007
  4. doi An evaluation of the implementation of the Cramer classification scheme in the Toxtree software
    G Patlewicz
    European Commission, DG Joint Research Centre, Institute for Health and Consumer Protection, Ispra, Italy
    SAR QSAR Environ Res 19:495-524. 2008
  5. doi A comparison of reactivity schemes for the prediction skin sensitization potential
    Grace Patlewicz
    European Commission, DG Joint Research Centre, Institute for Health and Consumer Protection, European Chemicals Bureau TP582, 21027 Ispra VA, Italy
    Chem Res Toxicol 21:521-41. 2008
  6. doi Toxmatch-a new software tool to aid in the development and evaluation of chemically similar groups
    G Patlewicz
    European Commission, Joint Research Centre, Institute for Health and Consumer Protection, European Chemicals Bureau ECB, Ispra, Italy
    SAR QSAR Environ Res 19:397-412. 2008
  7. ncbi The role of the European Chemicals Bureau in promoting the regulatory use of (Q)SAR methods
    A P Worth
    European Chemicals Bureau ECB, Institute for Health and Consumer Protection, Joint Research Centre, European Commission, 21020 Ispra VA, Italy
    SAR QSAR Environ Res 18:111-25. 2007
  8. doi A feasibility study developing an integrated testing strategy assessing skin irritation potential of chemicals
    Sebastian Hoffmann
    European Centre for the Validation of Alternative Methods ECVAM, Institute of Health and Consumer Protection IHCP, Joint Research Centre, European Commission, Via E Fermi 2749, 21027 Ispra VA, Italy
    Toxicol Lett 180:9-20. 2008
  9. doi Toxmatch--a chemical classification and activity prediction tool based on similarity measures
    Ana Gallegos-Saliner
    Institute for Health and Consumer Protection, Joint Research Centre European Commission, 21027 Ispra VA, Italy
    Regul Toxicol Pharmacol 52:77-84. 2008
  10. ncbi Validation of counter propagation neural network models for predictive toxicology according to the OECD principles: a case study
    M Vracko
    European Chemical Beaureau, Institute for Health and Consumer Protection, European Commission Joint Research Centre, 21020 Ispra, Italy
    SAR QSAR Environ Res 17:265-84. 2006

Detail Information

Publications25

  1. ncbi An evaluation of selected global (Q)SARs/expert systems for the prediction of skin sensitisation potential
    G Patlewicz
    European Chemicals Bureau TP582, IHCP, Joint Research Centre, European Commission, Ispra, Italy
    SAR QSAR Environ Res 18:515-41. 2007
    ..Of the models/expert systems evaluated, none performed sufficiently well to act as a standalone tool for hazard identification...
  2. ncbi TIMES-SS--a promising tool for the assessment of skin sensitization hazard. A characterization with respect to the OECD validation principles for (Q)SARs and an external evaluation for predictivity
    Grace Patlewicz
    European Chemicals Bureau, TP 582, Institute for Health and Consumer Protection, Joint Research Centre, European Commission, 21020 Ispra, VA, Italy
    Regul Toxicol Pharmacol 48:225-39. 2007
    ..Improvements for TIMES-SS were proposed where appropriate. TIMES-SS is a promising tool to aid in the evaluation of skin sensitization hazard under legislative programs such as REACH...
  3. ncbi Evaluation of SARs for the prediction of skin irritation/corrosion potential: structural inclusion rules in the BfR decision support system
    A Gallegos Saliner
    European Chemicals Bureau, Institute for Health and Consumer Protection, Joint Research Centre, Ispra Va, Italy
    SAR QSAR Environ Res 18:331-42. 2007
    ..It was found as a result that the test data set did not match the training set relative to the inclusion of structural alerts associated with skin irritation/corrosion, albeit some skin irritants were in the test set...
  4. doi An evaluation of the implementation of the Cramer classification scheme in the Toxtree software
    G Patlewicz
    European Commission, DG Joint Research Centre, Institute for Health and Consumer Protection, Ispra, Italy
    SAR QSAR Environ Res 19:495-524. 2008
    ..Overall Toxtree was found to be a useful tool in facilitating the systematic evaluation of compounds through the Cramer scheme...
  5. doi A comparison of reactivity schemes for the prediction skin sensitization potential
    Grace Patlewicz
    European Commission, DG Joint Research Centre, Institute for Health and Consumer Protection, European Chemicals Bureau TP582, 21027 Ispra VA, Italy
    Chem Res Toxicol 21:521-41. 2008
    ..The similarities and differences of the schemes are highlighted, together with modifications that could be made to TIMES-SS to harmonize the two approaches...
  6. doi Toxmatch-a new software tool to aid in the development and evaluation of chemically similar groups
    G Patlewicz
    European Commission, Joint Research Centre, Institute for Health and Consumer Protection, European Chemicals Bureau ECB, Ispra, Italy
    SAR QSAR Environ Res 19:397-412. 2008
    ..Insights from using this software are highlighted with specific focus on the prospective application of chemical groupings under the new chemicals legislation, REACH...
  7. ncbi The role of the European Chemicals Bureau in promoting the regulatory use of (Q)SAR methods
    A P Worth
    European Chemicals Bureau ECB, Institute for Health and Consumer Protection, Joint Research Centre, European Commission, 21020 Ispra VA, Italy
    SAR QSAR Environ Res 18:111-25. 2007
    ....
  8. doi A feasibility study developing an integrated testing strategy assessing skin irritation potential of chemicals
    Sebastian Hoffmann
    European Centre for the Validation of Alternative Methods ECVAM, Institute of Health and Consumer Protection IHCP, Joint Research Centre, European Commission, Via E Fermi 2749, 21027 Ispra VA, Italy
    Toxicol Lett 180:9-20. 2008
    ..This study demonstrated that ITS can be constructed, evaluated and compared in a systematic fashion. To promote ITS, further guidance on construction and multi-parameter evaluation need to be developed...
  9. doi Toxmatch--a chemical classification and activity prediction tool based on similarity measures
    Ana Gallegos-Saliner
    Institute for Health and Consumer Protection, Joint Research Centre European Commission, 21027 Ispra VA, Italy
    Regul Toxicol Pharmacol 52:77-84. 2008
    ..e. the descriptors selected were relevant for skin irritation/corrosion. The Euclidean distance index was found to be the most predictive of the indices in assessing the performance of the rules...
  10. ncbi Validation of counter propagation neural network models for predictive toxicology according to the OECD principles: a case study
    M Vracko
    European Chemical Beaureau, Institute for Health and Consumer Protection, European Commission Joint Research Centre, 21020 Ispra, Italy
    SAR QSAR Environ Res 17:265-84. 2006
    ..The study demonstrates that most, if not all, of the OECD criteria may be met when modeling using this neural network approach...
  11. ncbi Non-enzymatic glutathione reactivity and in vitro toxicity: a non-animal approach to skin sensitization
    Aynur O Aptula
    SEAC, Unilever Colworth, Sharnbrook, Bedford, MK44 1LQ, United Kingdom
    Toxicol In Vitro 20:239-47. 2006
    ..Due to the selectivity of electro(nucleo)philic reactions some sensitizing compounds will not be identified using a single nucleophile such as thiol...
  12. ncbi Quantitative structure-activity relationships for predicting skin and eye irritation
    Grace Patlewicz
    Safety and Environmental Assurance Centre, Unilever Colworth, Colworth House, Sharnbrook, Bedford, Bedfordshire MK44 1LQ, United Kingdom
    Environ Toxicol Chem 22:1862-9. 2003
    ..Creation of appropriate data sets for experimentation would facilitate the development of robust QSARs for predicting skin and eye irritation...
  13. ncbi TIMES-SS--a mechanistic evaluation of an external validation study using reaction chemistry principles
    David W Roberts
    Liverpool John Moores University, Liverpool, United Kingdom
    Chem Res Toxicol 20:1321-30. 2007
    ..TIMES-SS is a promising tool to aid in the evaluation of skin sensitization potential under legislative programs such as REACH...
  14. ncbi Chemical reactivity indices and mechanism-based read-across for non-animal based assessment of skin sensitisation potential
    David W Roberts
    School of Pharmacy and Chemistry, Liverpool John Moores University, England
    J Appl Toxicol 28:443-54. 2008
    ..An illustration of the types of quantitative mechanistic models that could be built using databases of kinetic measures of reactivity, hydrophobicity and existing in vivo bioassay data is also given...
  15. ncbi Mechanistic applicability domain classification of a local lymph node assay dataset for skin sensitization
    David W Roberts
    School of Pharmacy and Chemistry, Liverpool John Moores University, Liverpool, UK
    Chem Res Toxicol 20:1019-30. 2007
    ..This understanding is necessary if reliable non-animal approaches, including (quantitative) structure-activity relationships (Q)SARs, read-across, and experimental chemistry based models, are to be developed...
  16. ncbi Mechanistic applicability domains for non-animal based prediction of toxicological endpoints. QSAR analysis of the schiff base applicability domain for skin sensitization
    David W Roberts
    School of Pharmacy and Chemistry, Liverpool John Moores University, Byrom Street, Liverpool L3 3AF, England
    Chem Res Toxicol 19:1228-33. 2006
    ....
  17. ncbi Skin sensitisation and epidermal disposition: the relevance of epidermal disposition for sensitisation hazard identification and risk assessment. The report and recommendations of ECVAM workshop 59
    David Basketter
    Unilever Safety and Environmental Assurance Centre, Bedfordshire, UK
    Altern Lab Anim 35:137-54. 2007
  18. ncbi Computer-aided knowledge generation for understanding skin sensitization mechanisms: the TOPS-MODE approach
    Ernesto Estrada
    Safety and Environmental Assurance Centre SEAC, Unilever Colworth, Colworth House, Sharnbrook, Bedford, MK44 1LQ, United Kingdom
    Chem Res Toxicol 16:1226-35. 2003
    ..The models have also been able to identify potential structural alerts for chemicals requiring metabolic activation...
  19. ncbi Skin sensitization: reaction mechanistic applicability domains for structure-activity relationships
    Aynur O Aptula
    SEAC, Unilever Colworth, Sharnbrook, Bedford, MK44 1LQ, England
    Chem Res Toxicol 18:1420-6. 2005
    ....
  20. ncbi Electrophilic chemistry related to skin sensitization. Reaction mechanistic applicability domain classification for a published data set of 106 chemicals tested in the mouse local lymph node assay
    David W Roberts
    School of Pharmacy and Chemistry, Liverpool John Moores University, Byrom Street, Liverpool L3 3AF, England, SEAC, Unilever Colworth, Sharnbrook, Bedford MK44 1LQ, England
    Chem Res Toxicol 20:44-60. 2007
    ..The other 12 compounds, whose chemistry was not immediately obvious, were found after further analysis and literature research to fit into appropriate mechanistic domains that rationalize their skin sensitizing properties...
  21. ncbi Quantitative structure-activity relationships for predicting percutaneous absorption rates
    John D Walker
    TSCA Interagency Testing Committee, Office of Pollution Prevention and Toxics 7401, U S Environmental Protection Agency, 1200 Pennsylvania Avenue, Northwest, Washington, DC 20460, USA
    Environ Toxicol Chem 22:1870-84. 2003
    ....
  22. ncbi A stepwise approach for defining the applicability domain of SAR and QSAR models
    Sabcho Dimitrov
    Laboratory of Mathematical Chemistry, University Prof As Zlatarov, 8010 Bourgas, Bulgaria
    J Chem Inf Model 45:839-49. 2005
    ..The results clearly showed that credibility in predictions of QSAR models for chemicals belonging to their domain is much higher than for chemicals outside this domain...
  23. ncbi Quantitative structure-activity relationships for predicting mutagenicity and carcinogenicity
    Grace Patlewicz
    Safety and Environmental Assurance Centre, SEAC, Unilever Colworth, Colworth House, Sharnbrook, Bedford, Bedfordshire MK44 1LQ, United Kingdom
    Environ Toxicol Chem 22:1885-93. 2003
    ....
  24. ncbi Creating molecular diversity from antioxidants in Brazilian propolis. Combination of TOPS-MODE QSAR and virtual structure generation
    Ernesto Estrada
    Safety, and Environmental Assurance Centre SEAC, Unilever Colworth, Sharnbrook, Bedford, UK
    Mol Divers 8:21-33. 2004
    ..This contributes to enhance the molecular diversity of the analogues of Brazilian propolis compounds with antioxidative properties...
  25. ncbi Quantitative structure-activity relationships for predicting skin and respiratory sensitization
    Rosemary Rodford
    Solo Star, 19 Spinney Road, Chawston, Bedford, Bedfordshire MK44 3BW, United Kingdom
    Environ Toxicol Chem 22:1855-61. 2003
    ..Such QSARs will be valuable in the evaluation of identifiable toxic hazards where dose responses are relevant, as is the case for skin and respiratory sensitization...