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Non-animal models used in biomedical research

The EU Reference Laboratory for alternatives to animal testing (EURL ECVAM) has conducted a series of literature reviews to identify non-animal models used in biomedical research.

According to statistics on animals used for scientific purposes in EU Member States and Norway, the majority of animals are used in basic and applied research in the fields of human and veterinary medicines.

These EURL ECVAM studies were carried out to facilitate and potentially accelerate the transition to non-animal approaches by understanding and sharing information on successful use-cases of alternative models in biomedical research.

Aim

The aim was to identify which non-animal models, such as in vitro methods based on human cells and engineered tissues, or in silico approaches using computer modelling and simulation, have been used to replace, reduce or complement animal experiments in biomedical research. The reviews also shed light on how non-animal models are being used to enhance research findings.

Studies reviewing advanced non-animal models in biomedical research

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A total of 284 publications were identified as the most representative and innovative models according to a set of inclusion/exclusion criteria.

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Around 120,000 peer-reviewed publications were retrieved and screened for innovative and promising advanced non-animal models of breast cancer.

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We created an inventory of 567 models, ranging from biochemical and computational approaches to different types of cell cultures and procedures using ex vivo human material.

542 scientific peer-reviewed articles were selected for a deeper analysis of the non-animal models used.

Non-animal models as promising tools to fight cardiovascular diseases

We identified 449 publications as candidate advanced non-animal models used for cardiovascular disease research.

Autoimmuen diseases

A total of 183 advanced non-animal models were identified and then described in the field of autoimmune diseases.

Biomedical models Hub (BimmoH)

Background

Encouraging the uptake of alternative methods to animal models is important to tackle the considerable reliance on animal experiments for carrying out research.

Since alternative methods offer the promise of recapitulating human physiology more effectively than many animal models, shifting to new animal-free methodologies and research strategies can actually enhance the understanding of human-specific biology and disease.