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Skin models of cutaneous toxicity,transdermal transport and wound repair
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作者 Inês Vilela de Sousa Miguel J.S.Ferreira +4 位作者 Luís B.Bebiano Sandra Simões ana filipa matos Rúben F.Pereira Pedro L.Granja 《Burns & Trauma》 SCIE 2023年第1期393-407,共15页
Skin is widely used as a drug delivery route due to its easy access and the possibility of using relatively painless methods for the administration of bioactive molecules.However,the barrier properties of the skin,alo... Skin is widely used as a drug delivery route due to its easy access and the possibility of using relatively painless methods for the administration of bioactive molecules.However,the barrier properties of the skin,along with its multilayer structure,impose severe restrictions on drug transport and bioavailability.Thus,bioengineered models aimed at emulating the skin have been developed not only for optimizing the transdermal transport of different drugs and testing the safety and toxicity of substances but also for understanding the biological processes behind skin wounds.Even though in vivo research is often preferred to study biological processes involving the skin,in vitro and ex vivo strategies have been gaining increasing relevance in recent years.Indeed,there is a noticeably increasing adoption of in vitro and ex vivo methods by internationally accepted guidelines.Furthermore,microfluidic organ-on-a-chip devices are nowadays emerging as valuable tools for functional and behavioural skin emulation.Challenges in miniaturization,automation and reliability still need to be addressed in order to create skin models that can predict skin behaviour in a robust,high-throughput manner,while being compliant with regulatory issues,standards and guidelines.In this review,skin models for transdermal transport,wound repair and cutaneous toxicity will be discussed with a focus on high-throughput strategies.Novel microfluidic strategies driven by advancements in microfabrication technologies will also be revised as a way to improve the efficiency of existing models,both in terms of complexity and throughput. 展开更多
关键词 Skin In vitro models Ex vivo models Transdermal transport assays Wound healing assays Toxicity assays Microfluidic chip Skin-on-a-chip
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