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Severe aplastic anemia (SAA) is an immune-mediated bone marrow failure characterized by pancytopenia. This study was aimed at uncovering proteins of plasma that were differentially expressed in SAA patients. 8 SAA patients and 8 health controls were enrolled and detected by data independent acquisition (DIA) technology. 154 differential expression proteins (DEPs) in plasma of SAA patients were identified. GO and KEGG analyses indicated DEPs were mainly involved in the immune system process. Specifically, C-C motif chemokine 18 (CCL18), matrix metalloproteinase-3 (MMP3), histidine-rich glycoprotein (HRG), and lactotransferrin (lactoferrin (Lf)) may play an important role in the immune pathogenesis of SAA. CCL18, MMP3, HRG, and Lf might be potential biomarkers for SAA. Copyright © 2022 Weiwei Qi et al.


Weiwei Qi, Yu Zhang, Wenhao Yang, Chunyan Liu, Huaquan Wang, Rong Fu, Zonghong Shao. Abnormal Proteomics Profile of Plasma Reveals the Immunological Pathogenesis of Severe Aplastic Anemia. Disease markers. 2022;2022:3700691

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PMID: 35571618

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