Endocrine Disruption
Vitellogenin workshop report
October 14, 2025 by Becky Brown
In May 2024, wca participated in a workshop on fish vitellogenin (VTG) assessment and a report of the workshop has just been published in the journal Integrated…
Clarification on timelines for the new CLP hazard classes
December 19, 2024 by Rhiannon Smith
New hazard criteria were introduced under the Classification Labelling and Packaging (CLP) Regulation in April 2023 for Persistent, Bioaccumulative and Toxic (PBT) / very Persistent, very Bioaccumulative (vPvB), Persistent,…
Strategies to meet new CLP requirements for classification for Endocrine Disruption
November 22, 2024 by Becky Brown
New hazard classes have been introduced under Classification and Labelling (CLP) regulations to cover endocrine disruption (ED), Persistence, Bioaccumulation and Toxicity (PBT) and Persistence, Mobility and Toxicity (PMT) and, last…
Capacity building workshop to support environmental ED assessment under UK chemicals regulation
October 30, 2024 by Grace Panter
In October, Grace Panter and Becky Brown participated in a “Capacity building workshop to support environmental endocrine disrupter assessment under UK chemicals regulation” co-organised by the…
wca papers on endocrine disruption
July 16, 2024 by Becky Brown
wca have contributed to two new papers on endocrine disruption published last week. The first “A Decision Logic for the Reliability Assessment and Interpretation of Vitellogenin Measurements”…
wca at CHEMUK 2024
April 18, 2024 by Olivia Tran
wca will be at the CHEMUK show for the first time this year on the 15th and 16th May at the NEC, Birmingham . The event is…
Conducting and interpreting vitellogenin measurements in fish for regulatory purposes
October 17, 2023 by Becky Brown
wca are pleased to announce the publication of two new open access papers concerning the assessment of the vitellogenin protein (a pivotal protein biomarker for endocrine activity of chemicals) in…
Detection of anti-androgenic activity of chemicals in fish studies: a data review
August 4, 2023 by Grace Panter
Hot off the press! Grace and Becky, with colleagues from CropLife Europe, have just had a review paper on the sensitivity of fish testing guidelines to detect the…
New EU hazard classifications for ED, PBT/vPvB and PMT/vPvM
June 19, 2023 by Olivia Tran
The EU has recently finalised new hazard classes under the Classification, Labelling and Packaging (CLP) Regulation. The new hazard classes are: Endocrine disruption for human health, Category…
Detecting endocrine disruptor effects via the thyroid: Recent developments
November 17, 2022 by Grace Panter
At wca we have been carefully following recent developments regarding endocrine disruptor (ED) testing via the thyroid. Here we summarise some of the potential new tests which will impact ED…
13th International Akademie Fresenius Conference Endocrine Disruptors 8 and 9 November 2022
November 17, 2022 by Grace Panter
Last week I presented at the Fresenius Endocrine Disruptor (ED) conference in Cologne. It was a hybrid meeting, with as many people attending virtually, as in person. Some of…
wca at the Fresenius Endocrine Disruptors Conference
November 2, 2022 by Grace Panter
Next Wednesday (9th November), Grace Panter from wca will be presenting in Cologne, Germany, at the International Akademie Fresenius Conference on Endocrine Disruptors. On behalf of…
SETAC-Copenhagen 2022: Investigating endocrine-disrupting properties of chemicals
May 24, 2022 by Grace Panter
Last week I attended the session on “Investigating endocrine-disrupting properties of chemicals: developments and challenges towards new approach methodologies (NAMs)”, at SETAC-Copenhagen. It was great to be at a conference, in…
wca at SETAC 2021: Reliability of fish data for endocrine disruptor hazard assessment
May 4, 2021 by Becky Brown
I am really looking forward to virtual SETAC Europe this week. I have already been able to look at the programme and view some of the scientific content. There…
Use of the Xenopus eleutheroembyronic thyroid assay (XETA) in endocrine assessments
February 9, 2021 by Grace Panter
Becky Brown and myself recently attended an interesting webinar by European Food Safety Authority/European Chemicals Agency (EFSA/ECHA) on how to consider the Xenopus eleuthereombryonic thyroid assay (XETA) in the assessment strategy of…
From our blog
October 14, 2025 by Becky Brown