Test No. 439: In Vitro Skin Irritation - Reconstructed Human Epidermis Test Method / Organisation for Economic Co-operation and Development

Mitwirkende(r):

OECD [oth]

Resource type: Ressourcentyp: Buch (Online)Buch (Online)Sprache: Englisch Reihen: OECD Guidelines for the Testing of Chemicals, Section 4Verlag: Paris : OECD Publishing, 2013Beschreibung: Online-Ressource (21 p)ISBN:

9789264203884

Schlagwörter:

Environment

Andere physische Formen: Parallelausg.: Essai n 439 ; Irritation cutanée in vitro; essai sur épiderme humain reconstitué DOI: DOI: 10.1787/9789264203884-enOnline-Ressourcen:

Zusammenfassung: This Test Guideline describes an in vitro procedure that may be used for the hazard identification of irritant chemicals (substances and mixtures) in accordance with the UN Globally Harmonized System of Classification and Labelling (GHS) Category 2. It is based on reconstructed human epidermis (RhE), which in its overall design closely mimics the biochemical and physiological properties of the upper parts of the human skin. Cell viability is measured by enzymatic conversion of the vital dye MTT into a blue formazan salt that is quantitatively measured after extraction from tissues. Irritant test chemicals are identified by their ability to decrease cell viability below defined threshold levels (below or equal to 50% for UN GHS Category 2). This Test Guideline also includes a set of Performance Standards for the assessment of similar and modified RhE-based test methods. There are four validated test methods that adhere to this Test Guideline. Depending on the regulatory framework and the classification system in use, this procedure may be used to determine the skin irritancy of test substances as a stand-alone replacement test for in vivo skin irritation testing, or as a partial replacement test, within a tiered testing strategy.PPN: PPN: 1658225694Package identifier: Produktsigel: ZDB-13-SOC | ZDB-13-SOC-ebook

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