GARD®air.

In vitro hazard identification of
respiratory sensitizers

Powered by genomics and machine learning, GARDair offers a non-animal solution for respiratory hazard assessment, supporting decision making in product development and safety assessment.

The assay provides a binary classification of test items as respiratory sensitizers or non-sensitizers. With 95% specificity, GARDair yields very few false positives, allowing efficient removal of sensitizing candidates and reducing unnecessary follow-up work.

GARDair supports respiratory safety assessments across chemicals, biotech, and pharmaceutical industries and is also suitable for evaluating hazards in occupational health and workplace safety contexts.

Complementary potency assessment

For identified respiratory sensitizers, a dose-response extension of the standard protocol can be applied to generate quantitative potency information for downstream risk assessment and prioritization.

Integrated testing strategies

GARDair can also be combined with other in vitro and in silico methods as part of weight-of-evidence or defined approach frameworks commonly applied in regulatory toxicology.

Broad applicability across
diverse substances

Industry collaborations and case studies confirm robust performance for:
  • Occupational health-related industry chemicals
  • Proteins
  • Microorganisms
28 genes

The number of biomarkers used in GARDair.

At a glance

TEST SYSTEM SenzaCell® (human dendritic-like cell line).
What it measures Gene expression profile of 28 genomic biomarkers.
ReadoutRespiratory sensitizer or non-sensitizer.
ComplianceGLP-compliant laboratory.
Turnaround time4-8 weeks for standard studies.
Fast track available.

How it works

GARDair uses a human dendritic-like cell line, SenzaCell®, which mimics a critical part of the human immune system and is able to recognize allergens.

In each test case, the cells are exposed to the test sample after which genomic biomarker signature is measured. The gene expression pattern of the exposed cells is then compared to existing patterns induced by well-known chemicals and analysed by pattern recognition and machine-learning technology. As a result, the test sample is classified as a respiratory sensitizer or non-sensitizer.

All the GARD assays are based on the same technology platform. Read more about the GARD technology platform and assay development principles on the Science page of our website.

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