The Role of TRP Channels in Allergic Inflammation and its Clinical Relevance

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Author(s): Woo Kyung Kim*, Joo Hyun Nam.

Journal Name: Current Medicinal Chemistry

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Allergy refers to an abnormal adaptive immune response to non-infectious environmental substances (allergen) that can induce various diseases such as asthma, atopic dermatitis, and allergic rhinitis. In this allergic inflammation, various immune cells, such as B cells, T cells, and mast cells, are involved and undergo complex interactions that cause a variety of pathophysiological conditions. In immune cells, calcium ions play a crucial role in controlling intracellular Ca2+ signaling pathways. Cations, such as Na+, indirectly modulate the calcium signal generation by regulating cell membrane potential. This intracellular Ca2+ signaling is mediated by various cation channels; among them, the transient receptor potential (TRP) family is present in almost all immune cell types, and each channel has a unique function in regulating Ca2+ signals. In this review, we focus on the role of TRP ion channels in allergic inflammatory responses in T cells and mast cells. In addition, the TRP ion channels, which are attracting attention in clinical practice in relation to allergic diseases, and the current status of the development of therapeutic agents that target TRP channels are discussed.

Keywords: TRP channels, atopic dermatitis, allergic rhinitis, asthma, T cells, mast cells, calcium signaling

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(E-pub Ahead of Print)
DOI: 10.2174/0929867326666181126113015
Price: $95

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