Protocol for odorant-binding protein 2A gene knockdown by dual siRNA transfection in a three-dimensional human epidermal equivalent model

Summary: Gene knockdown by small interfering RNA (siRNA) transfection is widely used to investigate gene function. Here, we present a protocol for the knockdown of the odorant-binding protein 2A (OBP2A) gene in a three-dimensional human epidermal equivalent model (3DE-model). We describe steps for g...

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Bibliographic Details
Main Author: Shinobu Nakanishi
Format: Article
Language:English
Published: Elsevier 2025-03-01
Series:STAR Protocols
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Online Access:http://www.sciencedirect.com/science/article/pii/S2666166725000322
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Summary:Summary: Gene knockdown by small interfering RNA (siRNA) transfection is widely used to investigate gene function. Here, we present a protocol for the knockdown of the odorant-binding protein 2A (OBP2A) gene in a three-dimensional human epidermal equivalent model (3DE-model). We describe steps for growing human epidermal keratinocytes (normal human epithelial keratinocytes [NHEKs]) for 3DE-model construction in monolayer culture. We then detail procedures for transfecting the cells with siRNA, followed by a second siRNA transfection during 3DE-model construction. The efficiency of gene knockdown is verified by qPCR and ELISA.For complete details on the use and execution of this protocol, please refer to Nakanishi et al.1 : Publisher’s note: Undertaking any experimental protocol requires adherence to local institutional guidelines for laboratory safety and ethics.
ISSN:2666-1667