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Proteomic Analysis of 442 Clinical Plasma Samples From Individuals With Symptom Records Revealed Subtypes of Convalescent Patients Who Had COVID-19.

Jiangfeng Liu·Li Guo·Jingchuan Zhong·Yue Wu·Xinming Wang·Xiaoyue Tang·Kaiyuan Min·Yehong Yang·Wanjun Peng·Qiaochu Wang·Tao Ding·Xiaoying Gu·Hui Zhang·Ying Liu·Chaolin Huang·Bin Cao·Jianwei Wang·Lili Ren·Juntao Yang
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Abstract

After the coronavirus disease 2019 (COVID-19) pandemic, the postacute effects of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection have gradually attracted attention. To precisely evaluate the health status of convalescent patients with COVID-19, we analyzed symptom and proteome data of 442 plasma samples from healthy controls, hospitalized patients, and convalescent patients 6 or 12 months after SARS-CoV-2 infection. Symptoms analysis revealed distinct relationships in convalescent patients. Results of plasma protein expression levels showed that C1QA, C1QB, C2, CFH, CFHR1, and F10, which regulate the complement system and coagulation, remained highly expressed even at the 12-month follow-up compared with their levels in healthy individuals. By combining symptom and proteome data, 442 plasma samples were categorized into three subtypes: S1 (metabolism-healthy), S2 (COVID-19 retention), and S3 (long COVID). We speculated that convalescent patients reporting hair loss could have a better health status than those experiencing headaches and dyspnea. Compared to other convalescent patients, those reporting sleep disorders, appetite decrease, and muscle weakness may need more attention because they were classified into the S2 subtype, which had the most samples from hospitalized patients with COVID-19. Subtyping convalescent patients with COVID-19 may enable personalized treatments tailored to individual needs. This study provides valuable plasma proteomic datasets for further studies associated with long COVID.

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HumansCOVID-19MaleFemaleProteomicsMiddle AgedAdultSARS-CoV-2ConvalescenceProteomeAgedBlood ProteinsYoung AdultCOVID‐19 convalescentsplasmaproteomicssubtypesymptomsJournal ArticleResearch Support, Non-U.S. Gov't

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Jiangfeng Liu, Li Guo, Jingchuan Zhong, Yue Wu, Xinming Wang, Xiaoyue Tang, Kaiyuan Min, Yehong Yang, Wanjun Peng, Qiaochu Wang, Tao Ding, Xiaoying Gu, Hui Zhang, Ying Liu, Chaolin Huang, Bin Cao, Jianwei Wang, Lili Ren, Juntao Yang. 2025. Proteomic Analysis of 442 Clinical Plasma Samples From Individuals With Symptom Records Revealed Subtypes of Convalescent Patients Who Had COVID-19.. https://doi.org/10.1002/jmv.70203

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