RT Journal Article T1 Advances and highlights in biomarkers of allergic diseases. A1 Ogulur, Ismail A1 Pat, Yagiz A1 Ardicli, Ozge A1 Barletta, Elena A1 Cevhertas, Lacin A1 Fernandez-Santamaria, Ruben A1 Huang, Mengting A1 Bel Imam, Manal A1 Koch, Jana A1 Ma, Siyuan A1 Maurer, Debbie J A1 Mitamura, Yasutaka A1 Peng, Yaqi A1 Radzikowska, Urszula A1 Rinaldi, Arturo O A1 Rodriguez-Coira, Juan A1 Satitsuksanoa, Pattraporn A1 Schneider, Stephan R A1 Wallimann, Alexandra A1 Zhakparov, Damir A1 Ziadlou, Reihane A1 Brüggen, Marie-Charlotte A1 van de Veen, Willem A1 Sokolowska, Milena A1 Baerenfaller, Katja A1 Zhang, Luo A1 Akdis, Mubeccel A1 Akdis, Cezmi A K1 COVID-19 K1 allergen immunotherapy K1 allergic diseases K1 biomarkers K1 precision medicine AB During the past years, there has been a global outbreak of allergic diseases, presenting a considerable medical and socioeconomical burden. A large fraction of allergic diseases is characterized by a type 2 immune response involving Th2 cells, type 2 innate lymphoid cells, eosinophils, mast cells, and M2 macrophages. Biomarkers are valuable parameters for precision medicine as they provide information on the disease endotypes, clusters, precision diagnoses, identification of therapeutic targets, and monitoring of treatment efficacies. The availability of powerful omics technologies, together with integrated data analysis and network-based approaches can help the identification of clinically useful biomarkers. These biomarkers need to be accurately quantified using robust and reproducible methods, such as reliable and point-of-care systems. Ideally, samples should be collected using quick, cost-efficient and noninvasive methods. In recent years, a plethora of research has been directed toward finding novel biomarkers of allergic diseases. Promising biomarkers of type 2 allergic diseases include sputum eosinophils, serum periostin and exhaled nitric oxide. Several other biomarkers, such as pro-inflammatory mediators, miRNAs, eicosanoid molecules, epithelial barrier integrity, and microbiota changes are useful for diagnosis and monitoring of allergic diseases and can be quantified in serum, body fluids and exhaled air. Herein, we review recent studies on biomarkers for the diagnosis and treatment of asthma, chronic urticaria, atopic dermatitis, allergic rhinitis, chronic rhinosinusitis, food allergies, anaphylaxis, drug hypersensitivity and allergen immunotherapy. In addition, we discuss COVID-19 and allergic diseases within the perspective of biomarkers and recommendations on the management of allergic and asthmatic patients during the COVID-19 pandemic. YR 2021 FD 2021-09-27 LK http://hdl.handle.net/10668/18517 UL http://hdl.handle.net/10668/18517 LA en DS RISalud RD Apr 5, 2025