Non Animal Testing, Alternative Test Methods, In Vitro Toxicology, IIVS | Industries Cleaning Products
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Archive

Modernization of EPA “6-Pack” of Acute Toxicity Tests Continues

July 27, 2018
The US Environmental Protection Agency (US EPA) continues to drive significant efforts in the United States to modernize the battery of acute toxicity tests classically known as the “6-pack.” Learn More....

Modernization of EPA “6-Pack” of Acute Toxicity Tests Continues

July 26, 2018
The US Environmental Protection Agency (US EPA) continues to drive significant efforts in the United States to modernize the battery of acute toxicity tests classically known as the “6-pack.” Known for many years as an “all in vivo” testing strategy for products registered under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), the 6-pack was revised in 2015 to include non-animal (in vitro/ex vivo) test methods for classification and labeling for Eye Irritation, both for commonly used household cleaning products...

Abstract Deadline Extended for EUSAAT 2018

June 21, 2018
The 21st European Congress on Alternatives to Animal Testing & 18th Annual Congress of EUSAAT (European Society for Alternatives to Animal Testing) will take place in Linz, Austria, 23-26 September.  Submission deadlines for both oral and poster presentations have been extended to July 6. Erin Hill and Rodger Curren from IIVS are both speaking at the event. Learn more about the meeting, including the scientific program, invited speakers, and how to register.  ...

Abstract Deadline Extended for ESTIV 2018

June 18, 2018
The 20th International Congress on In Vitro Toxicology (ESTIV2018) happening in Berlin, 15-18 October, has extended their abstract submission deadline to July 1.  Several grants and bursaries are also still open to applicants until July 1, including the PETA International Science Consortium early-career scientist award. Learn more about the meeting, including the scientific program, invited speakers, and how to register.  ...

Holger Behrsing, PhD, Participates in Round Table Discussion on Non-Animal Approaches for Inhalation Toxicology

June 14, 2018
Holger Behrsing, PhD, was recently invited to participate in an expert round table discussion convened on the development and implementation of 21st century non-animal approaches to assess the toxicity of inhaled substances.  The discussion included perspectives from government, industry, nonprofit, and academic sectors on the advantages and challenges of using these approaches, ongoing efforts, and steps needed to gain widespread use and acceptance of these approaches. A transcript of the discussion has just been published in Applied In Vitro Toxicology, Vol....

The Assessment of Phototoxicity Using the 3T3 Neutral Red Uptake (NRU) Phototoxicity Assay and a Modified Photo-Direct Peptide Reactivity Assay (DPRA)

March 28, 2018
Alternative methods, including the validated 3T3 Neutral Red Uptake (NRU) Phototoxicity assay (OECD TG 432) may be used as a pre-clinical test to address phototoxicity. Currently, there are no validated alternative test methods to identify photoallergens; however, there are several validated alternative test methods to address skin sensitization, including the Direct Peptide Reactivity Assay (DPRA) (OECD 442C). To address photoallergy, we utilized the 3T3 Phototoxicity assay in combination with a modified photo-DPRA assay to determine if these assays were able...

Quality Considerations: Redefining Test Systems from Animals to Tissues and Beyond

August 28, 2017
The use of non-whole animal test methods transforms the way regulatory requirements are applied in preclinical testing. Recent global regulatory initiatives emphasize the importance of transitioning to human relevant assays and test systems that do not use animals. When these methods are moved from research into the regulated arena, GLP principles must be followed. The GLPs were originally written in the 1970s, when the vast majority of regulated research was performed using animals as the test system. Current innovative, alternative...

Webinar: How GLPs Enhance the Quality of Regulated and Non-Regulated Toxicology

October 18, 2016
This one-hour webinar, led by IIVS Director of Quality and Compliance, introduces some of the concepts of Good Laboratory Practices (GLPs) designed to promote study and data integrity within an in vitro toxicology framework. Applying these concepts within your own laboratory should aid in production of robust, repeatable studies. View Slides...

Human Cell Line Activation Test (h-CLAT, OECD 442E)

August 24, 2016
The human Cell Line Activation Test (h-CLAT) is a cell-based assay that identifies skin sensitizers by examining changes in the expression of cell surface markers (CD54 and CD86) implicated in dendritic cell activation, the third key event of the skin sensitization AOP.  Following exposure of the THP-1 human monocyte cell line to the test substance, expression levels of CD54 and CD86 are quantified by flow cytometry and compared to controls. The method has been reviewed by the European Union Reference Laboratory for...

Direct Peptide Reactivity Activation Assay (DPRA, OECD 442C)

August 24, 2016
The DPRA  (OECD 442C) is an in chemico assay that  models the first key event in the skin sensitization Adverse Outcome Pathway (AOP) - skin, protein reactivity. Compounds implicated in causing Allergic Contact Dermatitis (ACD) are generally electrophilic in nature. This assay identifies dermal sensitizers based on their reactivity with synthetic peptides containing the nucleophilic amino acid residues lysine and cysteine. Using LC/UV, conjugation of the test material with the peptides can be analyzed. Trained by the developers of this assay (Procter & Gamble), IIVS...