期刊
CURRENT DRUG METABOLISM
卷 8, 期 8, 页码 758-772出版社
BENTHAM SCIENCE PUBL LTD
DOI: 10.2174/138920007782798225
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In this review, we discuss and compare studies of xenobiotic metabolism in both human skin and 3D human skill reconstructs. In comparison to the liver, the skin is a less studied organ in terms of characterising metabolic capability. While the skill forms the major protective barrier to environmental chemical exposure, it is also a potential target organ for adverse health effects. Occupational, accidental or intended-use exposure to toxic chemicals could result in acute or delayed injury to the skill (e.g. inflammation, allergy, cancer). Skin metabolism may play a role in the manifestation or amelioration ofadverse effects via the topical route. Today, we have robust testing strategies to assess the potential for local skin toxicity of chemical exposure. Such methods (e.g. the local lymph node assay for assessing skin sensitisation; skin painting carcinogenicity studies) incorporate skill metabolism implicitly in the in vivo model system used. In light of recent European legislation (i.e. 7(th) Amendment to the Cosmetics Directive and Registration Evaluation and Authorisation of existing Chemicals (REACH)), non-animal approaches will be required to reduce and replace animal experiments for chemical risk assessment. It is expected that new models and approaches will need to account for skill metabolism explicitly, as the mechanisms ofadverse effects in the skin are deconvoluted. 3D skin models have been proposed as a tool to use in new in vitro alternative approaches. In order to be able to use 3D skin models in this context, we need to understand their metabolic competency in relation to xenobiotic biotransformation and whether functional activity is representative of that seen in human skin.
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