AUTHOR=Quan Qiang , Ju Xuegui , Li Guangmei , Ye Lu , Ren Sichong , Yang Shuxin , Zhang Rui , Wang Hui , Lin Ruyue , Yu Luoting TITLE=Simplified flow cytometry-based assay for rapid multi-cytokine profiling and machine-learning-assisted diagnosis of inflammatory diseases JOURNAL=Frontiers in Pharmacology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2025.1594141 DOI=10.3389/fphar.2025.1594141 ISSN=1663-9812 ABSTRACT=IntroductionMultiple cytokines detection represents a more robust way to predict the disease progression than a single cytokine, and flow cytometry (FCM)-based assays are increasingly used worldwide for multiple cytokines profile.MethodsInspired by One-step concept of ELISA technology, here we reported the development of one-step FCM-based 12-plex cytokine assay to reduce operation and reaction times, in which all the reagents (including capture-antibody-modified beads and phycoerythrin-labeled detection antibodies) had mixed in the same reaction system and achieved similar performance to the conventional approach. Moreover, we used the lyophilization technique to remove the need for cold storage of reagents to further simplify the assay procedure.ResultsWe leveraged our technology to test clinical serum samples from patients with COVID-19 or HBV infectious diseases, and established supervised or unsupervised machine learning models to predict the severity or viral load and get deeper insights into the diseases.DiscussionTogether, our results demonstrate a general and framework for convenient analysis of cytokine panel and have the potential to influence medical research and application in this field.