Objective
TO DEVELOP TEST METHODS WHICH REPLACE OR REDUCE THE USE OF EXPERIMENTAL VERTEBRATE ANIMALS.
The kinetic characteristics of aniline hydroxylase and N-methylaniline demethylase were determined in different tissue preparations after optimising experimental conditions. While liver S9 and red blood cell supernatants were characterised by comparing enzymic efficacy, the use of whole red blood cells was more effective for N-methylaniline. This suggested that membrane or cellular integrity was important. The roles of reduced nicotamide adenine dinuceotide (NADH) and reduced nicotamide adenine dinuceotide phosphate (NADPH) were investigated and both cofactors were found to be essential for maximum reactivity.
TWO ALTERNATIVE SYSTEMS ARE UTILIZED, WHICH DO NOT INVOLVE THE USE OF LABORATORY ANIMALS. THEY ARE HUMAN RED CELLS (ERYTHROCYTES) AND EXTRACTS FROM PLANTS.
A NUMBER OF END POINTS ARE STUDIED, IN PARTICULAR IN BACTERIA (FORWARD MUTATIONS, RESERVE MUTATIONS, SOS FUNCTIONS) AND IN MAMMALIAN CELLS CULTURE ( CHROMOSOMAL ABERRATIONS, SISTER CHROMATID EXCHANGE). VARIOUS CLASSES OF CHEMICALS, REQUIRING DIFFERENT MODES OF ACTIVATION ARE SCREENED.
THE RESULTS OBTAINED ARE COMPARED WITH THOSE PROVIDED BY THE SAME TESTS USING THE CLASSICAL S9 ACTIVATION SYSTEM.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences biological sciences microbiology bacteriology
- natural sciences biological sciences genetics mutation
- natural sciences earth and related environmental sciences environmental sciences pollution
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
LOUVAIN-LA-NEUVE
Belgium
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.