H. Ahr

Publications42
h-index17
Citations1,345
Highly Influential Citations39
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A Review of the Implementation of the Embryonic Stem Cell Test (EST)
The new European chemicals policy for the Registration, Evaluation, Authorisation and Restriction of Chemicals (the REACH system), requires the routine toxicological testing of chemicals produced in… Expand
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Induction of chondro-, osteo- and adipogenesis in embryonic stem cells by bone morphogenetic protein-2: Effect of cofactors on differentiating lineages
BackgroundRecently, tissue engineering has merged with stem cell technology with interest to develop new sources of transplantable material for injury or disease treatment. Eminently interesting, are… Expand
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Carcinogen-specific gene expression profiles in short-term treated Eker and wild-type rats indicative of pathways involved in renal tumorigenesis.
Eker rats heterozygous for a dominant germline mutation in the tuberous sclerosis 2 (Tsc2) tumor suppressor gene were used as a model to study renal carcinogenesis. Eker and corresponding wild-type… Expand
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Application of toxicogenomics to study mechanisms of genotoxicity and carcinogenicity.
Specific genotoxic events such as gene mutations and/or chromosome damage are considered hallmarks of cancer. The genotoxicity testing battery enables relatively simple, rapid and inexpensive hazard… Expand
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Pharmacokinetics of miglitol. Absorption, distribution, metabolism, and excretion following administration to rats, dogs, and man.
The absorption, distribution, metabolism, and excretion of miglitol ((2R,3R,4R,5S)-1-(2-hydroxyethyl)-2-(hydroxymethyl)-3,4,5-piperidinet riol, CAS 72432-03-2, BAY m 1099) have been studied following… Expand
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Meeting Report: Validation of Toxicogenomics-Based Test Systems: ECVAM–ICCVAM/NICEATM Considerations for Regulatory Use
TLDR
This is the report of the first workshop “Validation of Toxicogenomics-Based Test Systems” held 11–12 December 2003 in Ispra, Italy. Expand
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Development and standardization of a simple binding assay for the detection of compounds with affinity for the androgen receptor.
Concerns have been raised whether natural and man-made chemicals might have the potential of interfering with the endocrine system. Especially interactions with sex hormone receptors are considered… Expand
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Pharmacokinetics of nisoldipine. III. Biotransformation of nisoldipine in rat, dog, monkey, and man.
After intraduodenal administration of 14C-labelled (+/-) 3-isobutyl-5-methyl 1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)-pyridine-3,5-dicarboxylate (nisoldipine, Bay k 5552) to rats approx. 68% of the… Expand
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The carcinoGENOMICS project: critical selection of model compounds for the development of omics-based in vitro carcinogenicity screening assays.
Recent changes in the European legislation of chemical-related substances have forced the scientific community to speed up the search for alternative methods that could partly or fully replace animal… Expand
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Biotransformation of nifedipine in rat and dog.
Following oral and/or intraduodenal administration, the biotransformation of 14C-labelled nifedipine (dimethyl 1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)-pyridine-3, 5-dicarboxylate, Bay a 1040,… Expand
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