Science & Innovation

Scientific Resources

Explore ImmunoSearch’s scientific publications, posters and presentations on New Approach Methodologies (NAMs), human 3D tissue models and mechanistic toxicology for safety assessment.

Peer-Reviewed Publications

2026
Pre- and Pro-Haptens: The Role of Metabolically Competent Skin

Pre- and Pro-Haptens: The Role of Metabolically Competent Skin

Cottrez et al., Toxics, 2026
SENS-IS detects pre- and pro-haptens and supports potency assessment. Full-thickness skin improves potency characterization for compounds requiring extensive metabolic activation.

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IS-SKIN for Complex Substances in the SENS-IS Assay

IS-SKIN for Complex Substances in the SENS-IS Assay

Cottrez et al., NAM Journal, 2026
IS-SKIN showed full concordance with EpiSkin for the SENS-IS classification of ten complex cosmetic ingredients tested under blinded conditions.

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Single-Cell Transcriptomics in Human 3D Airway Epithelium

Single-Cell Transcriptomics in Human 3D Airway Epithelium

Abou Choucha et al., Archives of Toxicology, 2026
Single-cell transcriptomics reveals cell type-specific toxicological responses in human 3D bronchial epithelium exposed to cadmium.

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2005

SENS-IS workflow for skin sensitization assessment of rheology-modifying polymers

SENS-IS for Rheology-Modifying Polymers

Hochar et al., Polymers, 2025
SENS-IS extends skin sensitization assessment to complex rheology-modifying polymers and can reveal signals from secondary components or impurities.

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EyeIRR-IS in Defined Approaches for Agrochemicals

EyeIRR-IS in Defined Approaches for Agrochemicals

Daniel et al., Cutaneous and Ocular Toxicology, 2025
EyeIRR-IS was incorporated into a defined approach for GHS and EPA eye irritation classification of agrochemical formulations.

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Validation of a New 3D Epidermis Model for SENS-IS

Validation of a New 3D Epidermis Model for SENS-IS

Cottrez et al., Toxicology in Vitro, 2025
Skin+ showed >93% reproducibility and comparable potency classification to EpiSkin across 19 SENS-IS proficiency chemicals.

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SENS-IS validation results for medical devicCottrez et al., Toxicology in Vitro, 2025 SENS-IS demonstrated strong performance for medical device extracts following ISO/TS 11796, detecting 20/22 sensitizers at EC3 and correctly classifying all 7 non-sensitizers.

SENS-IS for Medical Device Skin Sensitization

Cottrez et al., Toxicology in Vitro, 2025
SENS-IS demonstrated strong performance for medical device extracts following ISO/TS 11796, detecting 20/22 sensitizers at EC3 and correctly classifying all 7 non-sensitizers.

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2021-2024

Comparison of skin sensitization test sensitivity and specificity against human and LLNA reference data.

SENS-IS in the Expanded Cosmetics Europe Database

Hoffmann et al., Regulatory Toxicology and Pharmacology, 2022
An expanded Cosmetics Europe database compares six NAMs, including SENS-IS, against human and animal reference data, highlighting how chemical diversity affects predictive performance.

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Sequential skin sensitization testing strategy starting with SENS-IS, followed by h-CLAT and KeratinoSens when needed.

SENS-IS in a Testing Strategy for Botanical Ingredients

Puginier et al., Cosmetics, 2022
A sequential strategy starting with SENS-IS assesses botanical extracts and, combined with phytochemical analysis, helps identify sensitizing constituents and guide ingredient refinement.

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SENS-IS Potency: The RIFM Benchmark

SENS-IS Potency: The RIFM Benchmark

Na et al., Regulatory Toxicology and Pharmacology, 2022
A RIFM-led evaluation of 174 materials found that 85% of SENS-IS potency predictions matched the weight-of-evidence category or differed by only one category.

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SENS-IS for Plant Extracts and Polymers

SENS-IS for Plant Extracts and Polymers

Kolle et al., Regulatory Toxicology and Pharmacology, 2023
A BASF-led evaluation reported balanced accuracies of 88% for 11 plant extracts and 68% for 14 polymeric materials against in vivo reference data, highlighting substance-specific applicability and limitations.

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EyeIrr-IS a 3D corneal tissu and genomic assay for eye irritation

EyeIRR-IS: Gene-Based Eye Irritation Assessment

Cottrez et al., Toxicology in Vitro, 2021
Developed with L’Oréal, EyeIRR-IS combines reconstructed human corneal epithelium with a ten-gene signature, achieving 95% overall accuracy for distinguishing liquids requiring ocular hazard classification from non-classified liquids.

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SENS-IS for Medical Devices: Pre-Validation

SENS-IS for Medical Devices: Pre-Validation

Pellevoisin et al., Toxicology in Vitro, 2021
Pre-validation supported SENS-IS testing of polar and non-polar medical device extracts and demonstrated transferability to an independent laboratory, while highlighting the importance of extraction and exposure conditions.

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2015-2020

SENS-IS for Difficult-to-Test Cosmetic Ingredients

SENS-IS for Difficult-to-Test Cosmetic Ingredients

Bergal et al., Toxicology in Vitro, 2020
A sequential strategy starting with SENS-IS, followed by h-CLAT and KeratinoSens when needed, achieved 88% accuracy against in vivo data across 25 challenging cosmetic ingredients.

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Testing mixture and finished products using a genomic based 3D skin assay

SENS-IS for Mixtures and Finished Products

Cottrez et al., Toxicology in Vitro, 2020
SENS-IS detects vehicle effects, irritant-driven enhancement and interactions between sensitizers, supporting skin sensitization assessment of mixtures and finished cosmetic products.

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Reconstructed human epidermis models used to investigate skin sensitization of substances challenging to test in aqueous cell-culture systems.

Human 3D Epidermis for Challenging Substances

Mehling et al., Regulatory Toxicology and Pharmacology, 2019
A comparative study of four reconstructed epidermis assays, including SENS-IS, explored 12 challenging substances, highlighting the potential and limitations of 3D models beyond conventional aqueous test systems.

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Nrf2 Regulates Inflammation During Skin Sensitization

Nrf2 Regulates Inflammation During Skin Sensitization

Helou et al., The Journal of Immunology, 2019
Mechanistic studies in mice and cultured macrophages showed how Nrf2 limits neutrophil accumulation through antioxidant responses, reduced chemokine production and enhanced clearance of damaged neutrophils.

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The THP-1 Toolbox for Skin Sensitization

Clouet et al., Archives of Toxicology, 2019
A THP-1-based toolbox combines oxidative stress, SENS-IS-derived gene-expression markers, dendritic-cell activation endpoints and T-cell co-culture to investigate key events in skin sensitization.

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SENS-IS for Functional Silicones and Silanes

Petry et al., Regulatory Toxicology and Pharmacology, 2018
SENS-IS successfully tested six functional polysiloxanes and silanes without solubility-related limitations, with hazard predictions consistent with the study’s reference assessments, including weight-of-evidence conclusions where animal tests disagreed.

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SENS-IS in the Cosmetics Europe Database

Hoffmann et al., Critical Reviews in Toxicology, 2018
A curated database of 128 substances integrates five non-animal methods, including SENS-IS, with human and LLNA reference data to support comparative evaluation and development of testing strategies.

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SENS-IS: Interlaboratory Reproducibility and Predictivity

Cottrez et al., Toxicology in Vitro, 2016
A three-laboratory ring study demonstrated SENS-IS transferability and reproducibility on 19 blind-coded chemicals, complemented by a 150-chemical evaluation of hazard and potency prediction.

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SENS-IS: From Sensitization Biomarkers to a 3D Skin Assay

Cottrez et al., Toxicology in Vitro, 2015
The foundational SENS-IS study established complementary ARE and sensitization-related gene-expression panels in reconstructed human epidermis, enabling identification of sensitizers with diverse response profiles.

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SENS-IS in the Systematic Evaluation of Non-Animal Methods

Reisinger et al., Toxicology in Vitro, 2015
Cosmetics Europe evaluated 16 non-animal methods, including SENS-IS, using a common ten-substance dataset and criteria covering standardization, performance and transferability to prioritize further development.

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