Publications by authors named "Jan Van Der Valk"

Article Synopsis
  • The establishment of initiatives centered on the Three Rs (Replacement, Reduction, and Refinement) has been bolstered by the adoption of new protective regulations for animals in scientific research.
  • Recent articles have been published to review the growth and current activities of European Three Rs centres and platforms, detailing their financial structures, core functions, and ongoing projects.
  • These centres serve as crucial hubs for promoting the Three Rs principles, offering models for sustainability and facilitating information sharing in their countries.
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Article Synopsis
  • * Numerous Three Rs centres and platforms have been established to create new methods, share knowledge, and implement these principles in policies and education, encouraged by legislation aimed at protecting animals used in research.
  • * This article provides an overview of European Three Rs centres, their historical development, and previews subsequent articles discussing their current focuses, tasks, and future plans for enhancing non-animal research methods and practices.
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Ethical and possible reproducibility issues arise when using fetal bovine serum in cell culture media.

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The use of Fetal Bovine Serum in replacement alternative methods is associated with serious animal welfare concerns, as well as worrying reproducibility issues.

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The supplementation of culture medium with fetal bovine serum (FBS, also referred to as "fetal calf serum") is still common practice in cell culture applications. Due to a number of disadvantages in terms of quality and reproducibility of in vitro data, animal welfare concerns, and in light of recent cases of fraudulent marketing, the search for alternatives and the development of serum-free medium formulations has gained global attention. Here, we report on the 3rd Workshop on FBS, Serum Alternatives and Serum-free Media, where regulatory aspects, the serum dilemma, alternatives to FBS, case-studies of serum-free in vitro applications, and the establishment of serum-free databases were discussed.

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Development of improved communication and education strategies is important to make alternatives to the use of animals, and the broad range of applications of the 3Rs concept better known and understood by different audiences. For this purpose, the Center for Alternatives to Animal Testing in Europe (CAAT-Europe) together with the Transatlantic Think Tank for Toxicology (t(4)) hosted a three-day workshop on "Teaching Alternative Methods to Animal Experimentation". A compilation of the recommendations by a group of international specialists in the field is summarized in this report.

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The introduction of in vitro assays in pharmacological research has led to a reduction in the number of experimental animals used. But what has been the degree of this reduction, and when did it really start? This report describes the events in a medium-sized pharmaceutical company. Analysis of data collected over the last 12 years shows a five-fold reduction in the number of experimental animals used per compound synthesised.

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The Dutch Act on Animal Experimentation (1996) requires that local animal experiments committees (AECs) review animal experiments and balance the scientific and societal benefits of the experiments against the suffering caused to the animals used. Each AEC is composed of at least seven members who provide a balance of expertise in animal experiments, alternatives to laboratory animal experiments, ethics, and animal welfare and protection. This study proposes selection criteria for individuals possessing each of the four AEC required areas of expertise.

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The ability to use human cells and tissues in toxicology research and testing has the benefit that it obviates the need to undertake species extrapolation when assessing human hazard. However, obtaining and using human cells and tissues is logistically difficult, ethically complex and is a potential source of infections to those coming into contact with human cell material. The issue is also controversial, with the recent EU legislation draft on tissue engineering, and also due to some instances of human material being obtained and used without informed consent.

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This report records the Fourth meeting of the European Network of Research Tissue Bank (Brussels, 18th March 2004) which was attended by Mel Read MEP. The existing membership of this informal group represents European Human Research Tissue Bankers, biomedical researchers seeking access to human tissue and allied groups including animal welfare representatives. This Fourth meeting provided a forum to update members on individual activity in this area.

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One of the articles contained within European Council Directive 86/609/EEC states that "Persons who carry out experiments or take part in them, and persons who take care of animals used for experiments, including duties of a supervisory nature, shall have appropriate training". In effect, this article stipulates that only competent individuals are allowed to work with laboratory animals. At least three groups of individuals can be identified with different responsibilities toward experimental animals: animal technicians, scientists, and veterinarians/animal welfare officers.

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In the member states of the EU and in the USA, scientists are obliged by animal welfare legislation not to conduct an animal experiment if another scientifically satisfactory method is reasonably and practicably available. To meet the regulatory obligation to use alternatives to animal experiments, scientists should consult literature and other relevant sources on alternatives prior to any experimental study on laboratory animals. It is the responsibility of the individual scientist to select the most appropriate database to obtain information on alternatives, which have been defined as methods that refine, reduce or replace animal experiments (the 3 Rs concept of Russell and Burch (1959)).

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This is a report of a workshop held on the establishment of human research tissue banking which was held in Levi, Finland 21-24 March 2002. There were 21 participants from 7 European countries. This meeting was attended by representatives from academia, research tissue banks and from the Biotech and Pharmaceutical Industries.

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The European Resource Centre for Alternatives in Higher Education (EURCA: http://www.eurca.org) is an exciting new project, which aims to enable teachers using animals in teaching to be more creative and innovative in their approach to teaching and learning, to foster high-quality training for science students, and to significantly reduce the number of animals used, often unnecessarily, in teaching.

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Fetal bovine serum (FBS) is a common component of animal cell culture media. It is harvested from bovine fetuses taken from pregnant cows during slaughter. FBS is commonly harvested by means of a cardiac puncture without any form of anaesthesia.

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