Practical sheet | REF: FIC1263 V2

Detecting sensitizing substances through animal and human testing

Author: Alain LOMBARD

Publication date: November 10, 2025 | Lire en français

You do not have access to this resource.
Click here to request your free trial access!

Already subscribed? Log in!

Automatically translated using artificial intelligence technology (Note that only the original version is binding) > find out more.

    A  |  A

    4. OECD Test No. 429: Skin Sensitization Test: Local Lymph Node Assay (LLNA) in Mice

    The LLNA test is based on the principle that sensitizers induce lymphocyte proliferation in the lymph nodes draining the site of application of the test substance. This proliferation is proportional to the dose applied and the potency of the allergen. It provides an easy way to obtain a quantitative measure of sensitization.

    4.1 Induction

    Days 1, 2, and 3: Apply 25 μl of an appropriate dilution of the test substance, vehicle alone, or TP to the back of each ear.

    SCROLL TO TOP

    4.2 Latency

    ...

    You do not have access to this resource.

    Exclusive to subscribers. 97% yet to be discovered!

    You do not have access to this resource.
    Click here to request your free trial access!

    Already subscribed? Log in!


    The Ultimate Scientific and Technical Reference

    A Comprehensive Knowledge Base, with over 1,200 authors and 100 scientific advisors
    + More than 10,000 articles and 1,000 how-to sheets, over 800 new or updated articles every year
    From design to prototyping, right through to industrialization, the reference for securing the development of your industrial projects

    This article is included in

    Chemical risk prevention manager

    This offer includes:

    Knowledge Base

    Updated and enriched with articles validated by our scientific committees

    Services

    A set of exclusive tools to complement the resources

    Practical Path

    Operational and didactic, to guarantee the acquisition of transversal skills

    Doc & Quiz

    Interactive articles with quizzes, for constructive reading

    Subscribe now!

    Ongoing reading
    OECD Test No. 429: Skin Sensitization Test: Local Lymph Node Assay (LLNA) in Mice
    Outline